/* ==========================================================================
   MaToDo Design System & Variables (Jira-inspired obsidian theme)
   ========================================================================== */

:root {
    /* Fonts */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    
    /* Transition times */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-round: 50%;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 12px var(--color-glow);
}

/* ==========================================================================
   Themes (Dark Theme default, Light Theme overlay)
   ========================================================================== */

html[data-theme="dark"] {
    /* Colors (Obsidian / Dark Glass) */
    --bg-app: #090b0f;
    --bg-sidebar: #0f131a;
    --bg-card: rgba(23, 29, 41, 0.65);
    --bg-card-hover: rgba(30, 39, 56, 0.85);
    --bg-column: rgba(15, 20, 31, 0.5);
    --bg-input: #171d29;
    --bg-modal: #0f131a;
    --border-color: rgba(255, 255, 255, 0.06);
    --border-color-hover: rgba(255, 255, 255, 0.12);
    
    --text-primary: #f4f6fa;
    --text-secondary: #8a96a3;
    --text-muted: #5e6b7a;
    
    --color-primary: #388bff;
    --color-primary-hover: #58a6ff;
    --color-primary-light: rgba(56, 139, 255, 0.15);
    
    --color-success: #3df08b;
    --color-success-hover: #56f79d;
    --color-success-light: rgba(61, 240, 139, 0.15);
    
    --color-warning: #ffae19;
    --color-warning-light: rgba(255, 174, 25, 0.15);
    
    --color-danger: #ff5252;
    --color-danger-hover: #ff6e6e;
    --color-danger-light: rgba(255, 82, 82, 0.15);

    --glass-blur: blur(20px);
    --glass-bg: rgba(15, 19, 26, 0.65);
    --glass-border: rgba(255, 255, 255, 0.06);
    --color-glow: rgba(56, 139, 255, 0.3);
}

html[data-theme="light"] {
    /* Colors (Soft Paper / Light Glass) */
    --bg-app: #f4f6f8;
    --bg-sidebar: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.8);
    --bg-card-hover: rgba(255, 255, 255, 0.95);
    --bg-column: rgba(228, 232, 237, 0.4);
    --bg-input: #ffffff;
    --bg-modal: #ffffff;
    --border-color: rgba(9, 30, 66, 0.08);
    --border-color-hover: rgba(9, 30, 66, 0.16);
    
    --text-primary: #172b4d;
    --text-secondary: #5e6c84;
    --text-muted: #8993a4;
    
    --color-primary: #0052cc;
    --color-primary-hover: #0065ff;
    --color-primary-light: rgba(0, 82, 204, 0.1);
    
    --color-success: #36b37e;
    --color-success-hover: #34c78b;
    --color-success-light: rgba(54, 179, 126, 0.1);
    
    --color-warning: #ffab00;
    --color-warning-light: rgba(255, 171, 0, 0.1);
    
    --color-danger: #de350b;
    --color-danger-hover: #f14c24;
    --color-danger-light: rgba(222, 53, 11, 0.1);

    --glass-blur: blur(12px);
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(9, 30, 66, 0.08);
    --color-glow: rgba(0, 82, 204, 0.15);
}

/* ==========================================================================
   Basic Reset & Base Layout
   ========================================================================== */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
}

body {
    background-color: var(--bg-app);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    transition: background-color var(--transition-normal);
}

.app-container {
    display: flex;
    height: 100%;
    width: 100%;
}

/* Scrollbar customization */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: var(--radius-sm);
    opacity: 0.5;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* ==========================================================================
   Sidebar Styles
   ========================================================================== */

.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    padding: 24px 16px;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.sidebar-header {
    margin-bottom: 28px;
    padding: 0 8px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.5px;
}

.logo svg {
    filter: drop-shadow(0 2px 6px rgba(0, 82, 204, 0.4));
}

.sidebar-section {
    margin-bottom: 24px;
}

.section-title {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 1.5px;
    margin-bottom: 12px;
    padding-left: 8px;
}

/* Select drop downs in Sidebar */
.project-selector-wrapper, .board-selector-wrapper {
    margin-bottom: 14px;
    padding: 0 8px;
}

.project-selector-wrapper label, .board-selector-wrapper label {
    font-size: 0.72rem;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 4px;
}

.custom-select-container {
    display: flex;
    gap: 8px;
    align-items: center;
    width: 100%;
}

select {
    flex-grow: 1;
    background-color: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    font-size: 0.88rem;
    outline: none;
    cursor: pointer;
    transition: border-color var(--transition-fast), background-color var(--transition-normal);
}

select:focus {
    border-color: var(--color-primary);
}

/* Sidebar Navigation list */
.sidebar-nav ul {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: 4px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.sidebar-nav li:hover a {
    background-color: var(--color-primary-light);
    color: var(--color-primary-hover);
}

.sidebar-nav li.active a {
    background-color: var(--color-primary);
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(56, 139, 255, 0.3);
}

.sidebar-nav a svg {
    transition: transform var(--transition-fast);
}

.sidebar-nav li:hover a svg {
    transform: translateX(2px);
}

.sidebar-footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 16px 8px 0;
    border-top: 1px solid var(--border-color);
}

/* Theme switch */
.theme-switch-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.theme-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.theme-switch {
    width: 52px;
    height: 26px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 6px;
}

.theme-switch-thumb {
    width: 20px;
    height: 20px;
    background-color: var(--color-primary);
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: transform var(--transition-normal);
}

html[data-theme="light"] .theme-switch-thumb {
    transform: translateX(26px);
}

.sun-icon { color: var(--color-warning); }
.moon-icon { color: var(--text-secondary); }

/* Sync status badge */
.sync-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 500;
}

.sync-badge .indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    position: relative;
}

.sync-badge.offline .indicator {
    background-color: var(--text-muted);
}

.sync-badge.online .indicator {
    background-color: var(--color-success);
    box-shadow: 0 0 8px var(--color-success);
}

.sync-badge.error .indicator {
    background-color: var(--color-danger);
    box-shadow: 0 0 8px var(--color-danger);
}

.sync-badge.syncing .indicator {
    background-color: var(--color-primary);
    animation: pulse 1s infinite alternate;
}

@keyframes pulse {
    0% { transform: scale(0.8); opacity: 0.5; }
    100% { transform: scale(1.2); opacity: 1; }
}

/* ==========================================================================
   Main Workspace Layout
   ========================================================================== */

.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Header styling */
.main-header {
    height: 80px;
    border-bottom: 1px solid var(--border-color);
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    transition: border-color var(--transition-normal);
}

.header-left h1 {
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 12px;
    color: var(--text-muted);
    pointer-events: none;
}

#global-search {
    background-color: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 9px 12px 9px 38px;
    font-size: 0.85rem;
    width: 220px;
    outline: none;
    transition: all var(--transition-fast);
}

#global-search:focus {
    width: 280px;
    border-color: var(--color-primary);
    box-shadow: 0 0 10px rgba(56, 139, 255, 0.15);
}

/* Buttons style */
button, .primary-btn, .secondary-btn, .danger-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition-fast);
    outline: none;
}

.primary-btn {
    background-color: var(--color-primary);
    color: #ffffff;
}

.primary-btn:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(56, 139, 255, 0.2);
}

.primary-btn:active {
    transform: translateY(0);
}

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

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

.danger-btn {
    background-color: var(--color-danger-light);
    border-color: var(--color-danger);
    color: var(--color-danger-hover);
}

.danger-btn:hover {
    background-color: var(--color-danger);
    color: #ffffff;
}

.text-btn {
    background: transparent;
    border: none;
    color: var(--color-primary);
    padding: 4px 8px;
    font-weight: 500;
}

.text-btn:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

.icon-btn {
    padding: 8px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.icon-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-color-hover);
}

.icon-only {
    padding: 9px;
}

.sync-icon-svg.spinning {
    animation: rotate 1s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Filter Bar */
.filter-bar {
    padding: 12px 32px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(9, 11, 15, 0.2);
    flex-shrink: 0;
}

.filter-group, .sort-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-label, .sort-label {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.filter-bar select {
    padding: 5px 10px;
    font-size: 0.78rem;
}

/* ==========================================================================
   Viewport and View Panes
   ========================================================================== */

.view-viewport {
    flex-grow: 1;
    overflow: hidden;
    position: relative;
}

.app-view {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
    overflow: hidden;
}

.app-view.active {
    opacity: 1;
    pointer-events: auto;
}

/* ==========================================================================
   1. Kanban Board View
   ========================================================================== */

.kanban-scroll-container {
    height: 100%;
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    display: flex;
    padding: 24px 32px;
    align-items: flex-start;
    gap: 20px;
}

.kanban-grid {
    display: flex;
    gap: 20px;
    height: 100%;
    align-items: flex-start;
}

.kanban-column {
    width: 280px;
    max-height: 100%;
    background-color: var(--bg-column);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    padding: 16px;
    flex-shrink: 0;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.column-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    cursor: pointer;
}

.column-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.column-title {
    font-weight: 600;
    font-size: 0.95rem;
}

.column-badge {
    background-color: var(--bg-input);
    color: var(--text-secondary);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 100px;
    font-weight: 600;
}

.task-list {
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 2px;
    min-height: 80px; /* Allows drag to empty lists */
}

/* Drag over highlight styles */
.task-list.drag-over {
    background-color: var(--color-primary-light);
    outline: 2px dashed var(--color-primary);
    border-radius: var(--radius-md);
}

/* Kanban Task Card */
.task-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px;
    cursor: grab;
    user-select: none;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

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

.task-card:active {
    cursor: grabbing;
}

.task-card.dragging {
    opacity: 0.4;
    transform: scale(0.95);
}

.task-card-title {
    font-weight: 600;
    font-size: 0.88rem;
    line-height: 1.4;
    word-break: break-word;
}

.task-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.tag-badge {
    font-size: 0.68rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    color: #ffffff;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
}

.task-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 4px;
}

.task-card-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Custom priority dots/labels */
.priority-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
}

.priority-indicator.high { color: var(--color-danger); }
.priority-indicator.medium { color: var(--color-warning); }
.priority-indicator.low { color: var(--color-success); }

.due-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.due-indicator.overdue {
    color: var(--color-danger);
    font-weight: 600;
}

.due-indicator svg {
    flex-shrink: 0;
}

/* User Avatars */
.member-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
    border: 1px solid var(--bg-card);
}

.avatar-blue { background: linear-gradient(135deg, #0052cc, #00c7e4); }
.avatar-green { background: linear-gradient(135deg, #36b37e, #56f79d); }
.avatar-orange { background: linear-gradient(135deg, #ffab00, #ff8b00); }
.avatar-purple { background: linear-gradient(135deg, #6554c0, #8f7ee6); }
.avatar-red { background: linear-gradient(135deg, #de350b, #ff7452); }

/* Column Add buttons */
.add-task-column-btn {
    margin-top: 12px;
    width: 100%;
    background-color: transparent;
    border: 1px dashed var(--border-color);
    color: var(--text-secondary);
    padding: 8px 12px;
    font-weight: 500;
}

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

/* Placeholder for Inline Add Column */
.add-column-placeholder {
    width: 280px;
    flex-shrink: 0;
}

#inline-add-column-btn {
    width: 100%;
    padding: 16px;
    border: 1px dashed var(--border-color);
    background-color: var(--bg-column);
    color: var(--text-secondary);
    border-radius: var(--radius-lg);
    font-weight: 600;
}

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

/* ==========================================================================
   2. List View
   ========================================================================== */

.list-view-container {
    padding: 24px 32px;
    height: 100%;
    overflow-y: auto;
}

.list-view-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr 1fr 60px;
    padding: 10px 16px;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
}

.list-view-body {
    display: flex;
    flex-direction: column;
    margin-top: 4px;
}

.list-task-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr 1fr 60px;
    padding: 14px 16px;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.88rem;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.list-task-row:hover {
    background-color: var(--color-primary-light);
}

.list-task-name {
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.list-task-column {
    display: inline-block;
}

.column-pill {
    padding: 2px 8px;
    border-radius: 100px;
    background-color: var(--bg-column);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
}

.list-task-priority {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
}

.list-task-assignee {
    display: flex;
    align-items: center;
    gap: 8px;
}

.list-task-due {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.list-task-actions {
    display: flex;
    justify-content: flex-end;
}

/* ==========================================================================
   3. Statistics Dashboard View
   ========================================================================== */

.stats-view-container {
    padding: 32px;
    height: 100%;
    overflow-y: auto;
}

.stats-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stats-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon.blue { background-color: var(--color-primary-light); color: var(--color-primary); }
.card-icon.green { background-color: var(--color-success-light); color: var(--color-success); }
.card-icon.orange { background-color: var(--color-warning-light); color: var(--color-warning); }
.card-icon.purple { background-color: rgba(101, 84, 192, 0.15); color: #6554c0; }

.card-info {
    display: flex;
    flex-direction: column;
}

.card-number {
    font-size: 1.8rem;
    font-weight: 700;
}

.card-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
}

.chart-box {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.chart-box h3 {
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.chart-container {
    height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==========================================================================
   4. Members View
   ========================================================================== */

.members-view-container {
    padding: 32px;
    height: 100%;
    overflow-y: auto;
}

.view-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.view-section-header h2 {
    font-size: 1.35rem;
    font-weight: 700;
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.member-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.member-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.member-card .member-avatar {
    width: 48px;
    height: 48px;
    font-size: 1.2rem;
}

.member-info {
    display: flex;
    flex-direction: column;
}

.member-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.member-email {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ==========================================================================
   5. Settings View
   ========================================================================== */

.settings-view-container {
    padding: 32px;
    height: 100%;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 800px;
}

.settings-section {
    border-radius: var(--radius-lg);
    padding: 24px;
}

.card-glass {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.settings-section h2 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.section-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.4;
}

.settings-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: flex;
    align-items: center;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.text-input {
    background-color: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    font-size: 0.88rem;
    outline: none;
    transition: border-color var(--transition-fast);
    width: 100%;
}

.text-input:focus {
    border-color: var(--color-primary);
}

textarea.text-input {
    resize: vertical;
}

.color-picker {
    width: 38px;
    height: 38px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 4px;
}

/* Switch Styles (Jira toggle) */
.switch-container {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}

.switch-container input {
    display: none;
}

.switch-slider {
    width: 44px;
    height: 22px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    position: relative;
    transition: background-color var(--transition-fast);
}

.switch-slider::before {
    content: "";
    width: 16px;
    height: 16px;
    background-color: var(--text-muted);
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.switch-container input:checked + .switch-slider {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
}

.switch-container input:checked + .switch-slider::before {
    transform: translateX(22px);
    background-color: var(--color-primary);
}

.switch-container .label-text {
    font-size: 0.88rem;
    font-weight: 500;
}

/* Dynamic field styling */
.sync-fields-wrapper {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 12px;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
    transition: opacity var(--transition-fast);
}

.sync-fields-wrapper.disabled {
    opacity: 0.3;
    pointer-events: none;
}

.hide { display: none !important; }

.settings-form-actions {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.data-actions-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.file-label {
    margin-bottom: 0;
}

/* Sync Logger Console style */
.console-box {
    background-color: #05070a;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    height: 150px;
    overflow-y: auto;
    padding: 12px;
    font-family: monospace;
    font-size: 0.75rem;
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.log-line.info { color: #8a96a3; }
.log-line.success { color: #3df08b; }
.log-line.error { color: #ff5252; }
.log-line.warn { color: #ffae19; }

/* ==========================================================================
   Modals
   ========================================================================== */

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(5, 7, 10, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.modal-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background-color: var(--bg-modal);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 460px;
    max-width: 90%;
    max-height: 90vh;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

.modal-backdrop.active .modal-card {
    transform: translateY(0);
}

.modal-lg {
    width: 820px;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h2 {
    font-size: 1.15rem;
    font-weight: 700;
}

.close-modal-btn {
    background: transparent;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    color: var(--text-secondary);
}

.close-modal-btn:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Modal Grid layout for large task modal */
.modal-grid-layout {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 24px;
}

.modal-grid-left {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-grid-right {
    display: flex;
    flex-direction: column;
    gap: 16px;
    border-left: 1px solid var(--border-color);
    padding-left: 24px;
}

/* Subtasks dynamic checklist in Modal */
.subtasks-section {
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.subtasks-progress {
    height: 6px;
    background-color: var(--bg-column);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.subtasks-progress-bar {
    height: 100%;
    background-color: var(--color-success);
    width: 0%;
    transition: width var(--transition-normal);
}

.subtasks-list {
    list-style: none;
    max-height: 180px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.subtask-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    background-color: var(--bg-column);
}

.subtask-item-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.subtask-item-left input[type="checkbox"] {
    cursor: pointer;
}

.subtask-text {
    font-size: 0.85rem;
}

.subtask-text.completed {
    text-decoration: line-through;
    color: var(--text-muted);
}

.delete-subtask {
    color: var(--color-danger-hover);
    background: transparent;
    border: none;
    padding: 2px;
    font-size: 0.78rem;
    cursor: pointer;
}

.add-subtask-row, .add-tag-row {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-top: 4px;
}

/* Tags in Task Modal */
.tags-manager {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.active-tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.active-tag-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
    color: #ffffff;
}

.remove-tag-btn {
    cursor: pointer;
    font-weight: bold;
    font-size: 0.75rem;
}

/* Responsive styles */
@media (max-width: 1024px) {
    .app-container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 16px;
    }
    .sidebar-footer {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        border-top: none;
        margin-top: 12px;
    }
    .modal-grid-layout {
        grid-template-columns: 1fr;
    }
    .modal-grid-right {
        border-left: none;
        padding-left: 0;
        border-top: 1px solid var(--border-color);
        padding-top: 16px;
    }
}

/* ==========================================================================
   Authentication Overlay (Glassmorphism & Radial Glow)
   ========================================================================== */
.auth-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at 50% 50%, rgba(15, 23, 42, 0.95) 0%, rgba(9, 11, 15, 0.98) 100%);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.auth-overlay.active {
    display: flex;
}

.auth-card {
    background: rgba(30, 41, 59, 0.45);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 420px;
    padding: 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

/* Subtle accent glow inside auth card */
.auth-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, rgba(0, 0, 0, 0) 60%);
    z-index: -1;
    pointer-events: none;
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h2 {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #388bff 0%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 6px;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.auth-card .form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.auth-card .form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.auth-card input {
    background-color: rgba(15, 23, 42, 0.6);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    font-size: 0.92rem;
    outline: none;
    transition: all var(--transition-fast);
}

.auth-card input:focus {
    border-color: var(--color-primary);
    background-color: rgba(15, 23, 42, 0.8);
    box-shadow: 0 0 0 2px rgba(56, 139, 255, 0.2);
}

.auth-btn {
    width: 100%;
    background: linear-gradient(135deg, #388bff 0%, #8c52ff 100%);
    color: #ffffff;
    border: none;
    padding: 12px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    margin-top: 10px;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 15px rgba(56, 139, 255, 0.25);
}

.auth-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(56, 139, 255, 0.35);
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    margin-left: 4px;
}

.auth-footer a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

/* ==========================================================================
   Task Deletion Hover Controls & List Row Action
   ========================================================================== */
.task-card {
    position: relative;
    padding-right: 32px !important; /* Avoid overlapping title text with trash icon */
}

.task-card-delete-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 22px;
    height: 22px;
    border-radius: var(--radius-sm);
    background-color: rgba(255, 82, 82, 0.1);
    color: var(--color-danger);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-fast), background-color var(--transition-fast);
    padding: 0;
    z-index: 5;
}

.task-card:hover .task-card-delete-btn {
    opacity: 1;
}

.task-card-delete-btn:hover {
    background-color: var(--color-danger);
    color: #ffffff;
}

.delete-list-task-btn {
    color: var(--color-danger);
    border-color: rgba(255, 82, 82, 0.2);
    padding: 6px;
}

.delete-list-task-btn:hover {
    background-color: var(--color-danger);
    color: #ffffff;
    border-color: var(--color-danger);
}

/* Logout Button */
.logout-btn {
    background-color: rgba(255, 82, 82, 0.08);
    border: 1px solid rgba(255, 82, 82, 0.2);
    color: var(--color-danger);
    width: 100%;
}

.logout-btn:hover {
    background-color: var(--color-danger);
    color: #ffffff;
    border-color: var(--color-danger);
}