/* Elegant Kanban Board CSS */

/* CSS Variables for Elegant Theming */
:root {
    /* Colors */
    --primary: #6366f1;
    --primary-hover: #5558e3;
    --primary-light: #eef0ff;
    --danger: #f87171;
    --success: #86efac;
    --warning: #fbbf24;
    
    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: #fafbfc;
    --bg-tertiary: #f6f8fa;
    --bg-card: #ffffff;
    
    /* Text */
    --text-primary: #1a202c;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    
    /* Borders */
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.03);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.06);
    
    /* Radii */
    --radius-sm: 6px;
    --radius: 12px;
    --radius-lg: 16px;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Transitions */
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="grey"] {
    --primary: #7c3aed;
    --primary-hover: #6d28d9;
    --primary-light: #f3f0ff;
    --danger: #ef4444;
    --success: #34d399;
    --warning: #fbbf24;
    --bg-primary: #f8f9fa;
    --bg-secondary: #e9ecef;
    --bg-tertiary: #dee2e6;
    --bg-card: #ffffff;
    --text-primary: #212529;
    --text-secondary: #495057;
    --text-tertiary: #6c757d;
    --border: #ced4da;
    --border-light: #dee2e6;
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
}

[data-theme="black"] {
    --primary: #818cf8;
    --primary-hover: #7c7ff5;
    --primary-light: #1e1b4b;
    --danger: #f87171;
    --success: #86efac;
    --warning: #fbbf24;
    --bg-primary: #0f0f10;
    --bg-secondary: #18181b;
    --bg-tertiary: #1f1f23;
    --bg-card: #18181b;
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-tertiary: #71717a;
    --border: #27272a;
    --border-light: #2a2a2e;
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.15);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
    font-weight: 400;
    letter-spacing: -0.011em;
    transition: background var(--transition), color var(--transition);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: var(--spacing);
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-light);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all var(--transition);
}

[data-theme="black"] .header {
    background: rgba(15, 15, 16, 0.8);
}

[data-theme="grey"] .header {
    background: rgba(248, 249, 250, 0.85);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing);
}

.board-name-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.board-name-input {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 0.5rem 0;
    transition: all var(--transition);
    min-width: 120px;
    max-width: 200px;
    letter-spacing: -0.02em;
}

.board-name-input:focus {
    outline: none;
    border-bottom-color: var(--primary);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    padding: 0.5rem 0.75rem;
}

.board-name-input::placeholder {
    color: var(--text-tertiary);
    font-weight: 500;
}

.logo {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    letter-spacing: -0.02em;
}

.header-controls {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    flex-wrap: wrap;
}

/* Search */
.search-box {
    padding: 0.625rem 1rem;
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.875rem;
    min-width: 220px;
    transition: all var(--transition);
    font-weight: 400;
}

.search-box::placeholder {
    color: var(--text-tertiary);
}

.search-box:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Buttons */
.btn {
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--primary);
    color: white;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    min-height: 38px;
    letter-spacing: -0.01em;
    box-shadow: var(--shadow-xs);
    text-decoration: none;
}

.btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1.5px solid var(--border-light);
    box-shadow: none;
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--border);
    color: var(--text-primary);
}

.btn-icon {
    padding: 0.625rem;
    min-width: 38px;
    border-radius: var(--radius-sm);
}

/* Main Content */
.main-content {
    padding: var(--spacing-xs) 0;
}

/* Board Layout */
.board {
    display: grid;
    gap: var(--spacing);
    margin-top: var(--spacing-lg);
}

/* Default 3-column layout */
.board,
[data-columns="3"] .board {
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
}

/* 4-column layout */
[data-columns="4"] .board {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* 5-column layout */
[data-columns="5"] .board {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.column {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing);
    min-height: 450px;
    border: 1.5px solid var(--border-light);
    box-shadow: var(--shadow-xs);
    transition: all var(--transition);
}

.column:hover {
    box-shadow: var(--shadow-sm);
}

.column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1.5px solid var(--border-light);
    gap: var(--spacing-xs);
}

.column-menu-container {
    position: relative;
}

.column-menu-btn {
    min-width: 32px;
    min-height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: bold;
    color: var(--text-tertiary);
    transition: all var(--transition);
}

.column-menu-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}


.column-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
    min-width: 180px;
    padding: var(--spacing-xs);
    z-index: 100;
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: all var(--transition);
}

.column-menu.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.column-menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    background: none;
    color: var(--text-primary);
    font-size: 0.875rem;
    text-align: left;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
}

.column-menu-item:hover:not(:disabled) {
    background-color: var(--bg-secondary);
    color: var(--primary);
}

.column-menu-item:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.column-menu-item.danger:hover:not(:disabled) {
    background-color: #fef2f2;
    color: var(--danger);
}

.menu-icon {
    font-size: 0.875rem;
    font-weight: bold;
    width: 16px;
    text-align: center;
}

.column-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    letter-spacing: -0.01em;
    text-transform: uppercase;
    opacity: 0.9;
}

.task-count {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.add-task-btn {
    background: var(--bg-secondary);
    border: 1.5px dashed var(--border-light);
    color: var(--text-tertiary);
    width: 100%;
    padding: var(--spacing-sm);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-weight: 500;
}

.add-task-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
    border-style: solid;
}

/* Add Column Styles */
.add-column-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    border: 1.5px dashed var(--border-light);
    background: var(--bg-secondary);
}

.add-column-btn {
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    padding: var(--spacing);
    border-radius: var(--radius);
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.add-column-btn:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.tasks-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    min-height: 120px;
    transition: all var(--transition);
}

.tasks-container.drag-over {
    background: var(--primary-light);
    border-radius: var(--radius);
}

/* Task Cards */
.task-card {
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius);
    padding: var(--spacing-sm);
    cursor: move;
    transition: all var(--transition);
    position: relative;
    box-shadow: var(--shadow-xs);
}

/* Density-specific task card styling */
[data-density="compact"] .task-card {
    padding: var(--spacing-xs);
}

[data-density="dense"] .task-card {
    padding: 0.375rem;
    border-radius: var(--radius-sm);
}

.task-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
    border-color: var(--border);
}

.task-card:hover .task-actions {
    opacity: 1;
}

.task-card.dragging {
    opacity: 0.4;
    transform: rotate(2deg) scale(0.98);
    box-shadow: var(--shadow-lg);
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xs);
    gap: var(--spacing-xs);
}

.task-title {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9375rem;
    word-break: break-word;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

/* Density-specific task title styling */
[data-density="compact"] .task-title {
    font-size: 0.875rem;
    line-height: 1.3;
}

[data-density="dense"] .task-title {
    font-size: 0.8125rem;
    line-height: 1.2;
    font-weight: 600;
}

.task-actions {
    display: flex;
    gap: 0.375rem;
    opacity: 0;
    transition: opacity var(--transition);
}

.task-action-btn {
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0.375rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    min-height: 28px;
}

.task-action-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.task-description {
    color: var(--text-secondary);
    font-size: 0.8125rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
    word-break: break-word;
    opacity: 0.9;
}

/* Density-specific description styling */
[data-density="comfortable"] .task-description {
    display: block; /* Show descriptions in comfortable view */
}

[data-density="compact"] .task-description {
    display: block; /* Show descriptions in compact view */
    font-size: 0.75rem;
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

[data-density="dense"] .task-description {
    display: none; /* Hide descriptions in dense view */
}

.task-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

/* Density-specific task metrics styling */
[data-density="comfortable"] .task-metrics {
    display: grid; /* Show all metrics in comfortable view */
}

[data-density="compact"] .task-metrics {
    gap: 0.25rem;
    margin-bottom: var(--spacing-xs);
    display: grid; /* Show all metrics in compact view */
}

[data-density="compact"] .task-metrics .metric-item:nth-child(3),
[data-density="compact"] .task-metrics .metric-item:nth-child(4) {
    display: none; /* Hide fun and money metrics in compact view */
}

[data-density="dense"] .task-metrics {
    display: none; /* Hide detailed metrics in dense view */
}

.metric-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 500;
    letter-spacing: 0.01em;
}

.metric-label {
    color: var(--text-tertiary);
    font-weight: 400;
    opacity: 0.8;
}

.metric-value {
    font-weight: 500;
    color: var(--text-secondary);
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

/* Density-specific progress bar styling */
[data-density="compact"] .progress-bar {
    height: 3px;
    margin-bottom: var(--spacing-xs);
}

[data-density="dense"] .progress-bar {
    height: 2px;
    margin-bottom: 0.25rem;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    transition: width 400ms cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
    opacity: 0.9;
}

.priority-badge {
    display: inline-block;
    padding: 0.1875rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.625rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.priority-high {
    background: rgba(248, 113, 113, 0.1);
    color: #ef4444;
}

.priority-medium {
    background: rgba(251, 191, 36, 0.1);
    color: #f59e0b;
}

.priority-low {
    background: rgba(134, 239, 172, 0.1);
    color: #22c55e;
}

.task-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-top: var(--spacing-xs);
}

/* Density-specific tags styling */
[data-density="comfortable"] .task-tags {
    display: flex; /* Show tags in comfortable view */
}

[data-density="compact"] .task-tags {
    display: flex; /* Show tags in compact view */
    gap: 0.25rem;
    margin-top: 0.25rem;
}

[data-density="dense"] .task-tags {
    display: none; /* Hide tags in dense view */
}

/* Dense view compact info line */
.task-dense-info {
    display: none;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

[data-density="dense"] .task-dense-info {
    display: flex;
}

.task-dense-info .priority-badge {
    font-size: 0.5625rem;
    padding: 0.125rem 0.375rem;
}

.task-dense-info .progress-indicator {
    font-size: 0.6875rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.tag {
    padding: 0.1875rem 0.5rem;
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    border-radius: 9999px;
    font-size: 0.625rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    border: 1px solid var(--border-light);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing);
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing);
    max-width: 520px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    animation: modalSlideIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.25rem;
    margin: -0.25rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* Share Modal Specific Styles */
.share-content {
    margin-bottom: var(--spacing);
}

.share-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing);
}

.share-link-container {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing);
}

.share-input {
    flex: 1;
    padding: 0.625rem 0.875rem;
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.8125rem;
    font-family: 'SF Mono', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: all var(--transition);
}

.share-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
    background: var(--bg-card);
}

.share-note {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    line-height: 1.4;
    margin: 0;
}

/* Forms */
.form-group {
    margin-bottom: 0.75rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    opacity: 0.8;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition);
    font-weight: 400;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
    background: var(--bg-card);
}

.form-textarea {
    min-height: 60px;
    resize: vertical;
    font-family: inherit;
    line-height: 1.5;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing);
}

/* More Options Collapsible */
.more-options {
    margin-bottom: var(--spacing);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
}

.more-options-toggle {
    display: block;
    padding: 0.625rem 0.875rem;
    cursor: pointer;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    user-select: none;
    transition: all var(--transition);
}

.more-options-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.more-options[open] .more-options-toggle {
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    border-bottom: 1px solid var(--border-light);
}

.more-options-content {
    padding: var(--spacing);
}

.more-options-content .form-group:last-child {
    margin-bottom: 0;
}

/* Sliders */
.slider {
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: var(--bg-tertiary);
    outline: none;
    -webkit-appearance: none;
    margin: 0.75rem 0;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--bg-card);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow);
}

.slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--bg-card);
}

.slider::-moz-range-thumb:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow);
}

.slider-value {
    display: inline-block;
    margin-left: var(--spacing-xs);
    color: var(--primary);
    font-weight: 500;
    min-width: 2rem;
    text-align: center;
    font-size: 0.875rem;
}

.modal-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    justify-content: flex-end;
}

/* Color Picker Styles */
.color-picker-container {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    padding: var(--spacing-sm) 0;
}

.color-option {
    background: none;
    border: 2px solid transparent;
    padding: var(--spacing-xs);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.color-option:hover {
    border-color: var(--border);
    transform: translateY(-2px);
}

.color-option.selected {
    border-color: var(--primary);
    background: var(--primary-light);
}

.color-option.selected::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-weight: bold;
    font-size: 1rem;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.color-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
    border: 1px solid rgba(0,0,0,0.1);
    position: relative;
}

.color-circle.custom {
    background: linear-gradient(45deg, 
        #ef4444 0%, #f97316 14%, 
        #eab308 28%, #22c55e 42%, 
        #3b82f6 56%, #a855f7 70%, 
        #ec4899 84%, #6b7280 100%);
    color: white;
    font-size: 1.2rem;
    font-weight: bold;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.color-circle.no-color {
    background: var(--bg-secondary);
    border: 2px dashed var(--border);
    color: var(--text-tertiary);
    font-size: 1.5rem;
    font-weight: bold;
}

/* Theme-specific color adjustments */
[data-theme="black"] .task-card {
    /* Colors are more vibrant in dark theme */
    filter: brightness(1.1);
}

[data-theme="grey"] .task-card {
    /* Slightly muted colors in grey theme */
    filter: brightness(1.05);
}


/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--bg-card);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    transform: translateX(400px);
    transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    border: 1.5px solid var(--border-light);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.toast.show {
    transform: translateX(0);
}

/* Animations */
@keyframes modalSlideIn {
    from {
        transform: translateY(-30px) scale(0.95);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

/* Landing Page Styles */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: white;
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, rgba(255,255,255,0.1) 0%, transparent 60%);
    pointer-events: none;
}

.hero h1 {
    font-size: 2.75rem;
    margin-bottom: var(--spacing);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.hero p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing);
    justify-content: center;
    flex-wrap: wrap;
}

.hero .btn {
    padding: 0.875rem 2.5rem;
    font-size: 0.9375rem;
    box-shadow: var(--shadow-sm);
    font-weight: 600;
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.feature-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1.5px solid var(--border-light);
    transition: all var(--transition);
    box-shadow: var(--shadow-xs);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--border);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing);
    opacity: 0.9;
}

.feature-title {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.feature-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    opacity: 0.85;
}

/* Content Sections */
.content-section {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
    border: 1.5px solid var(--border-light);
    box-shadow: var(--shadow-xs);
}

.content-section h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.625rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.content-section h3 {
    color: var(--text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.content-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing);
}

.content-section ul {
    color: var(--text-secondary);
    line-height: 1.8;
    padding-left: var(--spacing);
}

.content-section li {
    margin-bottom: var(--spacing-xs);
}

.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing);
    margin-top: var(--spacing);
}

.shortcut-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.kbd {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    font-weight: 500;
    box-shadow: inset 0 -2px 0 var(--border-light);
}

/* Search highlighting */
.highlight {
    background: rgba(251, 191, 36, 0.3);
    border-radius: 2px;
    padding: 0 2px;
}

/* Board Management Modal - Compact Version */
.modal-compact {
    max-width: 420px;
}

.modal-small {
    max-width: 380px;
}

.modal-body {
    margin: var(--spacing-md) 0;
}

.choice-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.choice-btn {
    justify-content: flex-start;
    text-align: left;
}

.board-manager-compact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.board-actions-row {
    display: flex;
    gap: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-light);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.875rem;
}

.boards-list-compact {
    max-height: 320px;
    overflow-y: auto;
}

.board-item-compact {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    border-radius: var(--radius);
    transition: background 0.2s;
}

.board-item-compact:hover {
    background: var(--bg-secondary);
}

.board-item-compact.current-board {
    background: var(--primary-light);
    border: 1px solid var(--primary);
    margin-bottom: var(--spacing-sm);
}

.board-item-left, .board-item-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.board-status {
    color: var(--success);
    font-size: 0.75rem;
}

.board-item-compact .board-name {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.925rem;
}

.board-badge {
    background: var(--primary);
    color: white;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.board-stats {
    color: var(--text-tertiary);
    font-size: 0.8rem;
    font-family: monospace;
}

.board-save-status {
    color: var(--text-tertiary);
    font-size: 0.8rem;
}

.btn-compact {
    background: none;
    border: none;
    padding: 4px 8px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    font-size: 0.875rem;
}

.btn-compact:hover {
    background: var(--bg-secondary);
}

.btn-compact.btn-danger:hover {
    background: var(--danger);
    color: white;
}

.boards-divider {
    height: 1px;
    background: var(--border-light);
    margin: var(--spacing-sm) 0;
}

.board-manager-footer {
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-light);
    text-align: center;
}

.footer-note {
    color: var(--text-tertiary);
    font-size: 0.75rem;
}

.empty-state-compact {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Legacy Board Management Modal (keeping for backwards compatibility) */
.board-manager-content h3 {
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: var(--spacing) 0 var(--spacing-xs);
    opacity: 0.8;
}

.current-board-section {
    margin-bottom: var(--spacing-lg);
}

.saved-boards-section {
    margin-bottom: var(--spacing-lg);
}

.board-actions-section {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius);
}

.board-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: var(--spacing-sm);
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-xs);
    transition: all var(--transition);
}

.board-item:hover {
    border-color: var(--border);
    background: var(--bg-tertiary);
}

.board-item.current {
    border-color: var(--primary);
    background: var(--primary-light);
}

.board-save-info {
    font-size: 0.75rem;
    color: var(--success);
    font-weight: 500;
}

.current-board-section .btn {
    width: 100%;
    margin-top: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

.board-save-note {
    margin-top: var(--spacing-xs);
    padding: var(--spacing-xs);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    text-align: center;
}

.board-save-note small {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.board-main {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.board-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.board-info {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.board-date {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.board-actions {
    display: flex;
    gap: 0.375rem;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-tertiary);
    font-style: italic;
}

/* Kanban Showcase Section */
.kanban-showcase {
    padding: var(--spacing-xl) 0;
    margin: var(--spacing-xl) 0;
}

.kanban-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
}

.kanban-content.reverse {
    margin-bottom: 0;
    background: var(--bg-primary);
}

.kanban-content.reverse .kanban-text {
    order: 2;
}

.kanban-content.reverse .kanban-visual {
    order: 1;
}

/* Full width image section */
.kanban-fullwidth {
    width: 100%;
    padding: 0;
    padding-left: 3em;
    padding-right: 3em;
}

.fullwidth-image-container {
    width: 100%;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.fullwidth-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.section-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-tertiary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.kanban-text h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing);
    line-height: 1.2;
}

.kanban-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing);
}

.kanban-link {
    color: var(--primary);
    text-decoration: underline;
    font-weight: 500;
    transition: color var(--transition);
}

.kanban-link:hover {
    color: var(--primary-hover);
}

.kanban-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 4/3;
    background: var(--bg-secondary);
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.kanban-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: calc(var(--radius) - 2px);
}

.image-placeholder::before {
    content: "Image Placeholder";
    color: var(--text-tertiary);
    font-weight: 500;
    position: absolute;
    z-index: 1;
    background: var(--bg-card);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

/* Hide placeholder text when image loads */
.kanban-image:not([src=""]) + .image-placeholder::before,
.image-placeholder:has(.kanban-image[src]:not([src=""])):before {
    display: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-sm);
    }
    
    .board {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .header-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .header-left {
        flex: 1;
        min-width: 0; /* Allows flex item to shrink */
    }
    
    
    .logo {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        min-width: 0;
        flex-shrink: 1;
    }
    
    .header-controls {
        justify-content: flex-end;
        gap: var(--spacing-xs);
        flex-shrink: 0; /* Prevents buttons from shrinking */
    }
    
    /* Show mobile menu toggle on small screens */
    .mobile-menu-toggle {
        display: flex !important;
    }
    
    /* Hide desktop navigation on mobile */
    .header-left .nav-links {
        display: none !important;
    }
    
    /* Mobile Navigation Overlay - Target specifically */
    .nav-links.mobile-open {
        display: flex !important;
        position: fixed !important;
        top: 0;
        left: 0;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--bg-card);
        flex-direction: column;
        padding: var(--spacing) var(--spacing-lg);
        padding-top: 70px;
        gap: 0;
        z-index: 1000;
        overflow-y: auto;
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
        align-items: stretch;
        box-shadow: var(--shadow-lg);
    }
    
    /* Hide mobile nav by default */
    .nav-links {
        transform: translateX(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform 300ms ease-in-out, opacity 300ms ease-in-out;
    }
    
    /* Mobile menu backdrop */
    .nav-links.mobile-open::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: -1;
        opacity: 1;
    }
    
    /* Mobile Navigation Links */
    .nav-links > a,
    .nav-links > .dropdown {
        padding: var(--spacing-sm) 0;
        font-size: 1.125rem;
        font-weight: 600;
        color: var(--text-primary);
        border-bottom: 1px solid var(--border-light);
        text-decoration: none;
        transition: color var(--transition);
        display: block;
        width: 100%;
    }
    
    .nav-links > a:hover {
        color: var(--primary);
    }
    
    /* Mobile Dropdown Styling */
    .nav-links .dropdown {
        border-bottom: 1px solid var(--border-light);
        display: block;
        width: 100%;
    }
    
    .nav-links .dropdown-toggle {
        padding: var(--spacing-sm) 0;
        font-size: 1.125rem;
        font-weight: 600;
        color: var(--text-primary);
        text-decoration: none;
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        transition: color var(--transition);
    }
    
    .nav-links .dropdown-toggle:hover {
        color: var(--primary);
    }
    
    .nav-links .dropdown-arrow {
        transition: transform 300ms ease;
        font-size: 0.875rem;
    }
    
    .nav-links .dropdown.active .dropdown-arrow {
        transform: rotate(180deg);
    }
    
    .nav-links .dropdown-menu {
        position: static;
        display: none;
        box-shadow: none;
        border: none;
        background: var(--bg-secondary);
        margin: 0;
        padding: var(--spacing-xs) 0 var(--spacing-xs) var(--spacing);
        border-radius: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 300ms ease, padding 300ms ease;
    }
    
    .nav-links .dropdown.active .dropdown-menu {
        display: block;
        max-height: 300px;
    }
    
    .nav-links .dropdown-menu a {
        padding: var(--spacing-xs) 0;
        font-size: 1rem;
        font-weight: 500;
        color: var(--text-secondary);
        text-decoration: none;
        display: block;
        transition: color var(--transition);
    }
    
    .nav-links .dropdown-menu a:hover {
        color: var(--primary);
    }
    
    .search-box {
        min-width: auto;
        width: 100%;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .features {
        grid-template-columns: 1fr;
        gap: var(--spacing);
    }
    
    .toast {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        bottom: var(--spacing-sm);
    }
    
    /* Kanban Showcase Mobile */
    .kanban-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
        padding: var(--spacing);
        margin-bottom: var(--spacing-lg);
    }
    
    .kanban-content.reverse .kanban-text,
    .kanban-content.reverse .kanban-visual {
        order: unset;
    }
    
    .kanban-text h2 {
        font-size: 1.75rem;
    }
    
    .kanban-text p {
        font-size: 1rem;
    }
    
    .image-placeholder {
        max-width: 400px;
        margin: 0 auto;
    }
}

/* Landing Page Specific Styles */

/* Full-width Hero Section */
.hero-section {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--border-light);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: #fafafa;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.025em;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.75rem;
    font-weight: 600;
    color: #a1a1aa;
    margin-bottom: var(--spacing);
    letter-spacing: -0.015em;
}

.hero-description {
    font-size: 1.25rem;
    color: #a1a1aa;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: var(--spacing);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-actions .btn {
    padding: 0.875rem var(--spacing-lg);
    font-size: 1rem;
    font-weight: 600;
}

.hero-badges {
    display: flex;
    gap: var(--spacing);
    justify-content: center;
    flex-wrap: wrap;
}

.badge {
    background: var(--bg-card);
    color: var(--text-secondary);
    padding: 0.5rem var(--spacing);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Navigation Dropdown */
.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-left: var(--spacing-xl);
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
    display: none;
    background: var(--bg-card);
    border: 1px solid var(--border);
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    font-family: inherit;
}

.mobile-menu-toggle:hover {
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.nav-links > a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color var(--transition);
}

.nav-links > a:hover {
    color: var(--text-primary);
}

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color var(--transition);
}

.dropdown-toggle:hover {
    color: var(--text-primary);
}

.dropdown-arrow {
    font-size: 0.75rem;
    opacity: 0.7;
    transition: transform var(--transition);
}

.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition);
    padding: var(--spacing-xs) 0;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-xs) var(--spacing);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all var(--transition);
}

.dropdown-menu a:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Features Section */
.features {
    padding: var(--spacing-xl) 0;
    display: block;
    text-align: center;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--spacing);
    letter-spacing: -0.02em;
    width: 100%;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.feature-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border-light);
    transition: all var(--transition);
    box-shadow: var(--shadow-xs);
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing);
    display: block;
    opacity: 0.9;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Final CTA Section */
.final-cta {
    text-align: center;
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.final-cta h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
}

.final-cta p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    margin-bottom: var(--spacing);
}

.cta-note {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-weight: 400;
    opacity: 0.8;
}

/* Table of Contents Grid */
.toc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing);
    margin-top: var(--spacing);
}

.toc-item {
    background: var(--bg-secondary);
    padding: var(--spacing);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all var(--transition);
}

.toc-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.toc-item h3 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.toc-item p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin: 0;
}

/* Principles Grid */
.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing);
    margin: var(--spacing-lg) 0;
}

.principle-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all var(--transition);
}

.principle-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.principle-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing);
    display: block;
}

.principle-card h4 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
}

.principle-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.875rem;
    margin: 0;
}

/* Mobile Responsiveness for Landing Page */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.375rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .hero-badges {
        gap: var(--spacing-sm);
    }
    
    .nav-links {
        gap: var(--spacing);
        margin-left: var(--spacing);
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing);
    }
    
    .feature-card {
        padding: var(--spacing);
    }

    .toc-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .principles-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .principle-card {
        padding: var(--spacing);
    }
}

/* About Page Specific Styles */

/* Mission Statement */
.mission-statement {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
    margin: var(--spacing-lg) 0;
    line-height: 1.6;
}

/* Mission Grid */
.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing);
    margin: var(--spacing-lg) 0;
}

.mission-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all var(--transition);
}

.mission-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.mission-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing);
    display: block;
}

.mission-card h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing);
    letter-spacing: -0.01em;
}

.mission-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Values Grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.value-item {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
}

.value-item h3 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing);
    letter-spacing: -0.01em;
}

.value-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Team Values */
.team-values {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    margin-top: var(--spacing);
}

.team-values h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing);
}

.team-values ul {
    margin: 0;
    padding-left: var(--spacing-lg);
}

.team-values li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

/* Technology Benefits */
.tech-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing);
    margin: var(--spacing-lg) 0;
}

.tech-item {
    background: var(--bg-card);
    padding: var(--spacing);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    text-align: center;
}

.tech-item h4 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.tech-item p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin: 0;
}

/* Contact Methods */
.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.contact-item {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all var(--transition);
}

.contact-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.contact-item h3 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.contact-item p {
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: var(--spacing);
}

.contact-item .btn {
    margin-top: var(--spacing-sm);
}

/* Mobile Responsiveness for About Page */
@media (max-width: 768px) {
    .mission-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .mission-card {
        padding: var(--spacing);
    }
    
    .values-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing);
    }
    
    .tech-benefits {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
        gap: var(--spacing);
    }
    
    .contact-item {
        padding: var(--spacing);
    }
}

/* Technique Pages Specific Styles */

/* Methodology Comparison */
.methodology-comparison {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: var(--spacing);
    align-items: center;
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.method-card, .result-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    text-align: center;
}

.result-card {
    border-color: var(--primary);
    background: var(--primary-light);
}

.method-card h3, .result-card h3 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing);
}

.method-card ul, .result-card ul {
    text-align: left;
    margin: 0;
    padding-left: var(--spacing);
}

.method-card li, .result-card li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

.plus-icon, .equals-icon {
    font-size: 2rem;
    color: var(--primary);
    text-align: center;
}

/* Process Steps */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.step-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all var(--transition);
    position: relative;
}

.step-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.125rem;
    margin: 0 auto var(--spacing);
}

.step-card h4 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing);
}

.step-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Board Structure */
.board-structure {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing);
    margin: var(--spacing-lg) 0;
}

.column-example {
    background: var(--bg-card);
    padding: var(--spacing);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    min-height: 120px;
}

.column-example h4 {
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.column-example p {
    color: var(--text-tertiary);
    font-size: 0.75rem;
    margin-bottom: var(--spacing);
}

.task-example {
    background: var(--bg-secondary);
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
    margin-bottom: var(--spacing-xs);
}

.task-example.active {
    border-color: var(--primary);
    background: var(--primary-light);
}

.task-example.paused {
    border-color: var(--warning);
    background: rgba(251, 191, 36, 0.1);
}

.task-example.completed {
    border-color: var(--success);
    background: rgba(134, 239, 172, 0.1);
}

.task-title {
    display: block;
    color: var(--text-primary);
    font-size: 0.8125rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.pomodoro-estimate, .timer, .progress, .completed-count {
    display: block;
    color: var(--text-tertiary);
    font-size: 0.75rem;
    font-weight: 400;
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.benefit-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all var(--transition);
}

.benefit-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing);
    display: block;
}

.benefit-card h3 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing);
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Setup Steps */
.setup-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.setup-step {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
}

.setup-step h4 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing);
}

.setup-step p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing);
}

.setup-step ul {
    margin: 0;
    padding-left: var(--spacing-lg);
}

.setup-step li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

/* Advanced Techniques */
.advanced-techniques {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing);
    margin: var(--spacing-lg) 0;
}

.technique-card {
    background: var(--bg-card);
    padding: var(--spacing);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
}

.technique-card h4 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.technique-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin: 0;
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.tool-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
}

.tool-card h4 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing);
}

.tool-card ul {
    margin: 0;
    padding-left: var(--spacing);
}

.tool-card li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

/* Pitfalls List */
.pitfalls-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
    margin: var(--spacing-lg) 0;
}

.pitfall-item {
    background: var(--bg-secondary);
    padding: var(--spacing);
    border-radius: var(--radius);
    border-left: 4px solid var(--danger);
}

.pitfall-item h4 {
    color: var(--danger);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.pitfall-item p {
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* Use Cases */
.use-cases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.use-case-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
}

.use-case-card h4 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing);
}

.use-case-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing);
}

.example-workflow {
    background: var(--bg-tertiary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.example-workflow strong {
    color: var(--text-primary);
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing);
    margin: var(--spacing-lg) 0;
}

.metric-card {
    background: var(--bg-card);
    padding: var(--spacing);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    text-align: center;
}

.metric-card h4 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.metric-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin: 0;
}

/* Mobile Responsiveness for Technique Pages */
@media (max-width: 768px) {
    .methodology-comparison {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .plus-icon, .equals-icon {
        display: none;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
        gap: var(--spacing);
    }
    
    .board-structure {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing);
    }
    
    .benefit-card {
        padding: var(--spacing);
    }
    
    .advanced-techniques {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing);
    }
    
    .use-cases {
        grid-template-columns: 1fr;
        gap: var(--spacing);
    }
    
    .use-case-card {
        padding: var(--spacing);
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}

/* Footer Styles */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing);
    letter-spacing: -0.02em;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-section h4 {
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-section ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-section li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition);
}

.footer-section a:hover {
    color: var(--primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
    gap: var(--spacing);
}

.footer-copyright {
    margin: 0;
}

.footer-copyright p {
    color: var(--text-tertiary);
    font-size: 0.875rem;
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition);
}

.footer-legal a:hover {
    color: var(--text-secondary);
}

/* Footer Mobile Responsiveness */
@media (max-width: 768px) {
    .footer {
        padding: var(--spacing-lg) 0;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-brand {
        max-width: none;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing);
        text-align: left;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing);
    }
    
    .footer-legal {
        justify-content: center;
    }
}