/* ===== POMODORO TIMER - MAIN STYLES =====
   Clean, Modern Pomodoro Timer Design
   ======================================== */

/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-card);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ===== APP LAYOUT ===== */
.app-layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
}

/* ===== HEADER ===== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: var(--font-size-2xl);
}

.app-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: var(--mode-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-right {
    display: flex;
    gap: var(--spacing-sm);
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-size: var(--font-size-base);
}

.icon-btn:hover {
    background: var(--mode-primary);
    border-color: var(--mode-primary);
    color: white;
    transform: translateY(-1px);
}

/* ===== MAIN GRID - 3 COLUMN LAYOUT ===== */
.main-grid {
    flex: 1;
    display: grid;
    grid-template-columns: 280px 1fr 280px;
    min-height: calc(100vh - 70px);
}

/* ===== SIDE PANELS ===== */
.side-panel {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all var(--transition-base);
    overflow: visible;
}

.right-panel {
    border-right: none;
    border-left: 1px solid var(--border-color);
}

.panel-toggle {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 80px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20;
    transition: all var(--transition-fast);
    padding: 0;
}

.left-panel .panel-toggle {
    right: -14px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    border-left: none;
}

.right-panel .panel-toggle {
    left: -14px;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    border-right: none;
}

.panel-toggle:hover {
    background: var(--mode-primary);
    color: white;
}

.panel-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    overflow-y: auto;
    height: 100%;
}

.panel-section {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
}

.panel-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== MINI STATS (Today Stats) ===== */
.mini-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.mini-stat {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.mini-stat-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--mode-primary);
    line-height: 1.2;
}

.mini-stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: 2px;
}

/* ===== GOAL PROGRESS ===== */
.goal-progress {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.goal-bar {
    flex: 1;
    height: 10px;
    background: var(--bg-card);
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.goal-fill {
    height: 100%;
    background: var(--mode-gradient);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.goal-text {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--mode-primary);
    min-width: 35px;
    text-align: right;
}

/* ===== ACHIEVEMENTS ===== */
.mini-achievements {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
    gap: var(--spacing-sm);
}

.achievement-badge {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.achievement-badge:hover {
    transform: scale(1.1);
    border-color: var(--mode-primary);
}

.achievement-badge.locked {
    opacity: 0.3;
    filter: grayscale(1);
}

.achievement-badge.unlocked {
    background: var(--mode-gradient);
    border-color: transparent;
    box-shadow: 0 2px 8px var(--mode-glow);
}

/* ===== WEEK DOTS (This Week) ===== */
.week-dots {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.week-day {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.week-day::after {
    content: attr(data-day);
    font-size: 10px;
    font-weight: 500;
    color: var(--text-muted);
}

.day-fill {
    width: 100%;
    height: 32px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.day-fill.active {
    background: linear-gradient(to top, var(--mode-primary) 0%, var(--mode-primary) var(--fill-percent, 0%), var(--bg-card) var(--fill-percent, 0%));
    border-color: var(--mode-primary);
}

.day-fill.today {
    border-color: var(--mode-primary);
    box-shadow: 0 0 8px var(--mode-glow);
}

/* ===== PANEL TEXTAREA ===== */
.panel-textarea {
    width: 100%;
    min-height: 100px;
    padding: var(--spacing-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--font-size-sm);
    resize: vertical;
    transition: border-color var(--transition-fast);
}

.panel-textarea:focus {
    outline: none;
    border-color: var(--mode-primary);
}

/* ===== QUICK SETTINGS ===== */
.quick-settings {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.quick-setting {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.quick-setting label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

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

.adj-btn {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    font-size: var(--font-size-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.adj-btn:hover {
    background: var(--mode-primary);
    border-color: var(--mode-primary);
    color: white;
}

.time-adjuster span {
    min-width: 30px;
    text-align: center;
    font-weight: 600;
}

/* ===== THEME PICKER ===== */
.theme-mini-picker {
    display: flex;
    gap: var(--spacing-sm);
}

.theme-dot {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-dot.active {
    border-color: var(--mode-primary);
    box-shadow: 0 0 12px var(--mode-glow);
}

/* ===== MOTIVATION SECTION ===== */
.motivation-section {
    text-align: center;
    padding: var(--spacing-md);
}

.quote-text {
    font-size: var(--font-size-sm);
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.quote-author {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* ===== CENTER - TIMER AREA ===== */
.timer-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--bg-primary);
    position: relative;
}

/* Background glow effect */
.timer-center::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--mode-glow) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0.5;
}

/* ===== TIMER CONTAINER ===== */
.timer-container {
    position: relative;
    width: 320px;
    height: 320px;
}

.timer-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.timer-bg {
    fill: none;
    stroke: var(--bg-tertiary);
    stroke-width: 8;
}

.timer-progress {
    fill: none;
    stroke: var(--mode-primary);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 565.48;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 1s linear, stroke var(--transition-base);
    filter: drop-shadow(0 0 8px var(--mode-glow));
}

.timer-display {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.timer-time {
    font-size: 4.5rem;
    font-weight: 700;
    letter-spacing: -2px;
    font-variant-numeric: tabular-nums;
    display: block;
    color: var(--text-primary);
}

.timer-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--text-secondary);
    text-transform: uppercase;
}

/* ===== MODE SELECTOR ===== */
.mode-selector {
    display: flex;
    gap: var(--spacing-xs);
    background: var(--bg-secondary);
    padding: 4px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
}

.mode-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 500;
}

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

.mode-btn.active {
    background: var(--mode-gradient);
    color: white;
    box-shadow: 0 4px 12px var(--mode-glow);
}

.mode-icon {
    font-size: var(--font-size-base);
}

/* ===== CONTROL BUTTONS ===== */
.controls {
    display: flex;
    gap: var(--spacing-md);
}

.control-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-xl);
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.control-btn.primary {
    background: var(--mode-gradient);
    color: white;
    box-shadow: 0 4px 20px var(--mode-glow);
}

.control-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px var(--mode-glow);
}

.control-btn.secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

/* Main Fullscreen Button Container */
.controls-extra {
    display: flex;
    justify-content: center;
    margin-top: 20px;
    width: 100%;
}

.controls-extra .control-btn {
    padding: 10px 30px;
    font-size: 14px;
    letter-spacing: 1px;
}

.btn-icon {
    font-size: var(--font-size-sm);
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.icon-btn:hover {
    background: var(--bg-tertiary);
    color: var(--mode-primary);
    transform: translateY(-2px);
}

/* ===== SESSION TRACKER ===== */
.session-tracker {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.session-dots {
    display: flex;
    gap: 6px;
}

.session-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    transition: all var(--transition-fast);
}

.session-dot.completed {
    background: var(--mode-primary);
    box-shadow: 0 0 8px var(--mode-glow);
}

.session-count {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ===== COLLAPSED PANELS ===== */
.side-panel.collapsed {
    width: 40px;
    min-width: 40px;
    max-width: 40px;
    border: none;
}

.side-panel.collapsed .panel-content {
    display: none;
}

.side-panel.collapsed .panel-toggle {
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    transform: none;
    width: 100%;
    height: 80px;
    margin: auto;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
}

.left-panel.collapsed {
    border-right: 1px solid var(--border-color);
}

.right-panel.collapsed {
    border-left: 1px solid var(--border-color);
    margin-left: auto;
}

/* ===== TOGGLE ARROW SVG ===== */
.toggle-arrow {
    transition: transform var(--transition-fast);
    opacity: 0.5;
}

.panel-toggle:hover .toggle-arrow {
    opacity: 1;
}

/* ===== AUTO-SAVE HINT ===== */
.auto-save-hint {
    font-size: var(--font-size-xs);
    color: var(--success);
    text-align: center;
    margin-top: var(--spacing-md);
    opacity: 0.8;
}

/* ===== TASK MANAGER ===== */
.task-input-container {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: var(--spacing-sm);
    width: 100%;
    box-sizing: border-box;
}

.task-input {
    flex: 1;
    min-width: 0;
    /* Prevents flex item from overflowing */
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    height: 40px;
    box-sizing: border-box;
}

.task-input:focus {
    border-color: var(--mode-primary);
    outline: none;
}

.add-task-btn {
    width: 40px;
    height: 40px;
    background: var(--mode-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.add-task-btn:hover {
    filter: brightness(1.1);
    transform: scale(1.05);
}

.task-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 300px;
    overflow-y: auto;
    padding-right: 4px;
}

.task-list::-webkit-scrollbar {
    width: 4px;
}

.task-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.task-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: all var(--transition-fast);
}

.task-item:hover {
    border-color: var(--border-color);
}

.task-item.active {
    border-color: var(--mode-primary);
    background: rgba(var(--mode-rgb), 0.1);
}

.task-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--text-muted);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    color: transparent;
    font-size: 12px;
    flex-shrink: 0;
}

.task-item.completed .task-checkbox {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.task-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}

.task-text {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

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

.task-stats {
    font-size: 10px;
    color: var(--text-muted);
}

.task-delete {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    opacity: 0;
    transition: all var(--transition-fast);
    font-size: 16px;
}

.task-item:hover .task-delete {
    opacity: 1;
}

.task-delete:hover {
    color: var(--error);
}

.empty-state {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-align: center;
    padding: var(--spacing-md);
    font-style: italic;
}

/* ===== SHORTCUTS HINT ===== */
.shortcuts-hint {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    flex-wrap: wrap;
}

kbd {
    display: inline-block;
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 10px;
    margin: 0 4px;
}

/* ===== AMBIENT SOUNDS ===== */
.ambient-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: var(--spacing-sm);
}

.sound-btn {
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all var(--transition-fast);
}

.sound-btn:hover {
    border-color: var(--mode-primary);
    transform: translateY(-2px);
}

.sound-btn.active {
    background: var(--mode-primary);
    border-color: var(--mode-primary);
    box-shadow: 0 0 10px rgba(var(--mode-rgb), 0.3);
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-tertiary);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
}

.volume-icon {
    font-size: 16px;
    color: var(--text-muted);
}

.volume-slider {
    flex: 1;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border-color);
    border-radius: 2px;
    outline: none;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--mode-primary);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* ===== WELLNESS OVERLAY ===== */
.wellness-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.wellness-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

.wellness-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    width: 90%;
    max-width: 400px;
    text-align: center;
    position: relative;
    transform: translateY(20px);
    transition: transform var(--transition-base);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.wellness-overlay.visible .wellness-card {
    transform: translateY(0);
}

.wellness-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.wellness-title {
    font-size: var(--font-size-lg);
    color: var(--mode-primary);
    margin-bottom: var(--spacing-sm);
}

.wellness-text {
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

.wellness-close {
    position: absolute;
    top: 10px;
    right: 15px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.wellness-close:hover {
    color: var(--bg-tertiary);
}

/* ===== MODALS ===== */
.modal {
    position: fixed;
    inset: 0;
    background: var(--modal-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--modal-bg);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 500px;
    max-height: 85vh;
    overflow: hidden;
    transform: scale(0.95);
    transition: transform var(--transition-base);
    border: 1px solid var(--border-color);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-content.large {
    max-width: 700px;
}

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

.modal-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--mode-primary);
    color: white;
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: calc(85vh - 80px);
}

/* ===== SETTINGS ===== */
.settings-group {
    margin-bottom: var(--spacing-xl);
}

.settings-group h3 {
    font-size: var(--font-size-base);
    color: var(--mode-primary);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.setting-item label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.setting-item input[type="number"],
.setting-item select {
    width: 100px;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--font-size-sm);
    text-align: center;
}

.setting-item input[type="number"]:focus,
.setting-item select:focus {
    outline: none;
    border-color: var(--mode-primary);
}

.setting-item input[type="checkbox"] {
    width: 48px;
    height: 24px;
    appearance: none;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-fast);
}

.setting-item input[type="checkbox"]::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.setting-item input[type="checkbox"]:checked {
    background: var(--mode-primary);
    border-color: var(--mode-primary);
}

.setting-item input[type="checkbox"]:checked::before {
    transform: translateX(24px);
    background: white;
}

.setting-item input[type="range"] {
    width: 120px;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    appearance: none;
    cursor: pointer;
}

.setting-item input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--mode-primary);
    border-radius: 50%;
    cursor: pointer;
}

.data-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.btn-secondary {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn-secondary.danger {
    color: var(--accent-error);
    border-color: var(--accent-error);
}

/* ===== STATS ===== */
.stats-overview {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    text-align: center;
}

.stat-icon {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--mode-primary);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.chart-container {
    height: 200px;
}

/* ===== FULLSCREEN MODE ===== */
.fullscreen-mode {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.fullscreen-mode.active {
    opacity: 1;
    visibility: visible;
}

.fs-timer {
    position: relative;
    width: 400px;
    height: 400px;
}

.fs-svg {
    width: 100%;
    height: 100%;
}

.fs-display {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.fs-time {
    font-size: 5rem;
    font-weight: 700;
    display: block;
    color: var(--text-primary);
}

.fs-label {
    font-size: var(--font-size-lg);
    letter-spacing: 3px;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.fs-control-btn {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--mode-gradient);
    border: none;
    color: white;
    font-size: var(--font-size-2xl);
    cursor: pointer;
    box-shadow: 0 4px 24px var(--mode-glow);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.fs-control-btn:hover {
    transform: scale(1.05);
}

.fs-btn-icon {
    display: block;
}

.fs-exit-btn {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: var(--font-size-xl);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.fs-exit-btn:hover {
    background: var(--mode-primary);
    color: white;
}

/* Updated Fullscreen Ambient Bar */
.fs-ambient-bar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-top: 20px;
    width: 100%;
    max-width: 600px;
    padding: 0 20px;
}

.fs-sound-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.fs-sound-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    font-size: 24px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.fs-sound-btn:hover {
    background: rgba(var(--mode-rgb), 0.2);
    border-color: var(--mode-primary);
    transform: translateY(-2px);
}

.fs-sound-btn.active {
    background: var(--mode-primary);
    border-color: var(--mode-primary);
    box-shadow: 0 0 15px rgba(var(--mode-rgb), 0.3);
    color: white;
}

.fs-volume-control {
    display: flex;
    align-items: center;
    gap: 15px;
    width: 250px;
    background: rgba(255, 255, 255, 0.05);
    padding: 10px 20px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 15px;
}

.fs-volume-slider {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    -webkit-appearance: none;
    appearance: none;
}

.fs-volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--mode-primary);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.fs-volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* ===== THEME GRID (FINAL) ===== */
.theme-grid {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    justify-content: flex-start !important;
    align-items: flex-start !important;
    gap: 8px !important;
    padding: 0 4px !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

.theme-btn {
    width: 32px !important;
    height: 32px !important;
    flex: 0 0 32px !important;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    display: flex !important;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
    position: relative;
    overflow: hidden;
    margin: 0 !important;
    background-color: var(--bg-tertiary);
}

.theme-btn:hover {
    transform: scale(1.1);
}

.theme-btn.active {
    border-color: var(--mode-primary);
    transform: scale(1.1);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.theme-icon {
    font-size: 14px;
    /* Reduced from 16px to prevent clipping */
    line-height: 1;
    /* Reset line height */
    opacity: 1 !important;
    display: block !important;
    transition: all var(--transition-fast);
}

.theme-btn:hover .theme-icon,
.theme-btn.active .theme-icon {
    opacity: 1;
    transform: scale(1.1);
}

/* ===== SHARE MODAL & CARD ===== */
.share-modal-content {
    max-width: 500px !important;
}

.share-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.share-preview-container {
    width: 100%;
    display: flex;
    justify-content: center;
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.share-card {
    width: 400px;
    height: 500px;
    /* Portrait for Stories/Posts */
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
    border: 2px solid var(--mode-primary);
    border-radius: 20px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: white;
    font-family: var(--font-family);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    position: relative;
}

.share-card-header {
    text-align: center;
}

.share-logo {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 5px;
    opacity: 0.9;
}

.share-date {
    font-size: 14px;
    opacity: 0.6;
    letter-spacing: 1px;
}

.share-card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
}

.share-stat-main {
    text-align: center;
}

.share-stat-value {
    font-size: 64px;
    font-weight: 800;
    display: block;
    line-height: 1;
    background: linear-gradient(to right, #fff, rgba(255, 255, 255, 0.7));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.share-stat-label {
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.7;
    margin-top: 10px;
    display: block;
}

.share-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    width: 100%;
}

.share-stat-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    padding: 15px;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.share-icon {
    font-size: 24px;
    margin-bottom: 5px;
}

.share-val {
    font-size: 24px;
    font-weight: 700;
}

.share-lbl {
    font-size: 12px;
    opacity: 0.7;
    margin-top: 2px;
}

.share-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 15px;
}

.share-user {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
}

.share-watermark {
    font-size: 12px;
    opacity: 0.5;
}

.share-actions {
    width: 100%;
    margin-top: 10px;
    text-align: center;
}

.share-hint {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 15px;
    min-height: 20px;
}

.share-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 5px;
}

.share-buttons button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn-primary {
    background: var(--mode-primary);
    color: white;
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.twitter-btn {
    background: #1DA1F2 !important;
    color: white !important;
}

.twitter-btn:hover {
    background: #0d8bd9 !important;
    transform: translateY(-2px);
}

.share-trigger-btn {
    background: transparent;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 5px;
    border-radius: 5px;
    transition: background 0.2s;
    margin-right: 10px;
}

.share-trigger-btn:hover {
    background: var(--bg-tertiary);
}

.modal-actions {
    display: flex;
    align-items: center;
}

@media (max-width: 1200px) {
    .main-grid {
        grid-template-columns: 240px 1fr 240px;
    }
}

@media (max-width: 1024px) {
    .main-grid {
        grid-template-columns: 1fr;
    }

    .side-panel {
        display: none;
    }

    .timer-center {
        min-height: 80vh;
    }

    .shortcuts-hint {
        display: none;
    }
}

@media (max-width: 768px) {
    .header {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .app-title {
        font-size: var(--font-size-base);
    }

    .icon-btn {
        width: 36px;
        height: 36px;
    }

    .timer-container {
        width: 280px;
        height: 280px;
    }

    .timer-time {
        font-size: 3.5rem;
    }

    .mode-selector {
        flex-wrap: wrap;
        justify-content: center;
    }

    .control-btn {
        padding: var(--spacing-sm) var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .timer-container {
        width: 240px;
        height: 240px;
    }

    .timer-time {
        font-size: 3rem;
    }

    .mode-btn span:not(.mode-icon) {
        display: none;
    }

    .fs-timer {
        width: 280px;
        height: 280px;
    }

    .fs-time {
        font-size: 3.5rem;
    }
}

/* ===== LANGUAGE DROPDOWN ===== */
.lang-dropdown {
    position: relative;
}

.lang-btn {
    width: auto !important;
    padding: 0 12px !important;
    gap: 6px;
    display: flex !important;
    align-items: center;
}

.dropdown-arrow {
    font-size: 10px;
    opacity: 0.7;
    transition: transform var(--transition-fast);
}

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

.lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 160px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1000;
    overflow: hidden;
    max-height: 400px;
    overflow-y: auto;
}

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

.lang-option {
    padding: 12px 16px;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.lang-option:last-child {
    border-bottom: none;
}

.lang-option:hover {
    background: var(--bg-tertiary);
}

.lang-option.active {
    background: var(--mode-primary);
    color: white;
}

.lang-option.active:hover {
    background: var(--mode-primary);
    filter: brightness(1.1);
}