/* ==========================================================================
   LOFIPETS COZY DESIGN SYSTEM & STYLESHEET
   ========================================================================== */

/* --- CSS Variables & Theme Palettes --- */
:root {
    /* Fonts */
    --font-header: 'Quicksand', sans-serif;
    --font-body: 'Outfit', sans-serif;
    
    /* Animation Speeds */
    --transition-slow: 0.8s ease-in-out;
    --transition-medium: 0.3s ease;
    --transition-fast: 0.15s ease;
}

/* Cat Theme (Night & Rainy Window) */
.theme-cat {
    --bg-color: #0d0b1e;
    --accent-color: #bb9af7;
    --accent-glow: rgba(187, 154, 247, 0.4);
    --panel-bg: rgba(15, 12, 30, 0.45);
    --panel-border: rgba(187, 154, 247, 0.15);
    --text-primary: #e0af68;
    --text-secondary: #a9b1d6;
    --text-light: #ffffff;
    --btn-hover: rgba(187, 154, 247, 0.25);
    --bg-image: url('assets/cat_bg.png');
}

/* Dog Theme (Warm Cabin & Fireplace) */
.theme-dog {
    --bg-color: #1a0f0a;
    --accent-color: #ff9e64;
    --accent-glow: rgba(255, 158, 100, 0.4);
    --panel-bg: rgba(26, 15, 10, 0.5);
    --panel-border: rgba(255, 158, 100, 0.15);
    --text-primary: #ffc285;
    --text-secondary: #cfc9c2;
    --text-light: #ffffff;
    --btn-hover: rgba(255, 158, 100, 0.25);
    --bg-image: url('assets/dog_bg.png');
}

/* Studio Theme (Estudio Cozy) */
.theme-studio {
    --bg-color: #1a0f0a;
    --accent-color: #ff9e64;
    --accent-glow: rgba(255, 158, 100, 0.4);
    --panel-bg: rgba(26, 15, 10, 0.5);
    --panel-border: rgba(255, 158, 100, 0.15);
    --text-primary: #ffc285;
    --text-secondary: #cfc9c2;
    --text-light: #ffffff;
    --btn-hover: rgba(255, 158, 100, 0.25);
    --bg-image: url('assets/cat_loop.gif');
}

/* Custom Theme (User Personalized) */
.theme-custom {
    --bg-color: #120917;
    --accent-color: #f7b9e3;
    --accent-glow: rgba(247, 185, 227, 0.4);
    --panel-bg: rgba(20, 10, 26, 0.5);
    --panel-border: rgba(247, 185, 227, 0.15);
    --text-primary: #ffb5e8;
    --text-secondary: #ebd3e8;
    --text-light: #ffffff;
    --btn-hover: rgba(247, 185, 227, 0.25);
    --bg-image: url('https://images.unsplash.com/photo-1579546929518-9e396f3cc809?q=80&w=1200');
}

/* --- Global Reset & Scrollbars --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-light);
    height: 100vh;
    overflow: hidden;
    position: relative;
    transition: background-color var(--transition-slow);
}

/* Custom Scrollbar for list panels */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb {
    background: var(--panel-border);
    border-radius: 10px;
    transition: background var(--transition-medium);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* --- Background Scene Setup --- */
.bg-scene {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background-image: var(--bg-image);
    background-size: cover;
    background-position: center;
    transition: background-image var(--transition-slow);
}

.overlay-vignette {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, transparent 40%, rgba(0, 0, 0, 0.6) 100%);
    pointer-events: none;
    z-index: 1;
}

#weatherCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

/* --- Main Layout Grid --- */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    padding: 20px;
    z-index: 5;
    position: relative;
    overflow-y: auto;
    transition: opacity var(--transition-medium), transform var(--transition-medium);
}

/* Glassmorphism Panels Base */
.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(16px) saturate(120%);
    -webkit-backdrop-filter: blur(16px) saturate(120%);
    border: 1px solid var(--panel-border);
    border-radius: 20px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.35);
    padding: 20px;
    transition: border-color var(--transition-medium), background var(--transition-slow), box-shadow var(--transition-medium);
    margin-bottom: 20px;
}

.glass-panel:hover {
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45);
}

/* --- Header Styles --- */
.header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    margin-bottom: 20px;
}

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

.logo-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 8px var(--accent-glow));
    animation: bounce 3s infinite alternate;
}

.logo h1 {
    font-family: var(--font-header);
    font-weight: 700;
    font-size: 1.8rem;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #ffffff, var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Pet Switcher Buttons */
.pet-selector {
    display: flex;
    gap: 10px;
    background: rgba(0, 0, 0, 0.2);
    padding: 6px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.pet-tab {
    font-family: var(--font-header);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    padding: 8px 20px;
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-medium);
}

.pet-tab i {
    font-size: 1.1rem;
}

.pet-tab:hover {
    color: var(--text-light);
    background: rgba(255, 255, 255, 0.05);
}

.pet-tab.active {
    color: var(--bg-color);
    background: var(--accent-color);
    box-shadow: 0 0 15px var(--accent-glow);
    font-weight: 700;
}

/* Clock and Widget */
.status-widget {
    text-align: right;
}

.clock-display {
    font-family: var(--font-header);
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--text-primary);
    text-shadow: 0 0 8px rgba(0,0,0,0.3);
}

.date-display {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* --- Main Layout Grid --- */
.main-layout {
    display: grid;
    grid-template-columns: 320px 1fr 340px;
    gap: 20px;
    flex-grow: 1;
    min-height: 0; /* Ensures grid items respect flex constraints */
}

.left-panel, .right-panel {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding-right: 4px;
}

.center-panel {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    pointer-events: none; /* Let clicks pass through center panel */
}

/* --- Music Player Styling (Left Panel) --- */
.music-player {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.panel-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 12px;
    margin-bottom: 15px;
}

.panel-header h2 {
    font-family: var(--font-header);
    font-size: 1.2rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-color);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-color);
    animation: pulse 2s infinite;
}

.disc-container {
    margin: 15px 0;
    position: relative;
}

.vinyl {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: radial-gradient(circle, #0e0e0e 35%, #222222 40%, #000 60%);
    border: 5px solid #1a1a1a;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: rotate-vinyl 15s linear infinite;
    animation-play-state: paused;
}

.vinyl::before {
    content: '';
    position: absolute;
    width: 90%;
    height: 90%;
    border-radius: 50%;
    border: 1px dashed rgba(255, 255, 255, 0.08);
    pointer-events: none;
}

.vinyl-center {
    position: absolute;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--bg-color);
    border: 3px solid #fff;
    z-index: 5;
    box-shadow: inset 0 0 5px rgba(0,0,0,0.5);
}

.vinyl img {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
    z-index: 2;
    transition: transform 0.5s ease;
}

.song-info {
    text-align: center;
    margin-bottom: 12px;
    width: 100%;
}

.song-info h3 {
    font-family: var(--font-header);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.song-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Canvas Audio Visualizer styling */
.visualizer-container {
    width: 100%;
    height: 40px;
    margin-bottom: 15px;
    background: rgba(0,0,0,0.15);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.03);
}

#visualizerCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Progress bar styling */
.progress-container {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 18px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.progress-bar {
    flex-grow: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: var(--accent-color);
    border-radius: 3px;
    position: relative;
    transition: width 0.1s linear;
}

/* Controls */
.player-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.control-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
}

.control-btn:hover {
    color: var(--text-light);
    background: var(--btn-hover);
}

.play-btn {
    font-size: 1.4rem;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--accent-color);
    border: 1px solid var(--panel-border);
    box-shadow: 0 0 15px var(--accent-glow);
}

.play-btn:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    transform: scale(1.05);
}

/* Music Volume Slider Styling */
.music-volume-control {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 8px 10px;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

/* Generic Sliders Style */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    flex-grow: 1;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    cursor: pointer;
    transition: background 0.3s;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-color);
    box-shadow: 0 0 8px var(--accent-glow);
    transition: transform var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.3);
}

/* Playlist Dropdown */
.playlist-trigger {
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 5px;
    transition: color var(--transition-medium);
}

.playlist-trigger:hover {
    color: var(--text-light);
}

.playlist-dropdown {
    width: 100%;
    margin-top: 10px;
    max-height: 150px;
    overflow-y: auto;
    padding: 10px;
}

.playlist-dropdown.hidden {
    display: none;
}

.playlist-dropdown ul {
    list-style: none;
}

.playlist-dropdown li {
    padding: 8px 10px;
    border-radius: 8px;
    font-size: 0.8rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    transition: background var(--transition-medium);
    margin-bottom: 4px;
    color: var(--text-secondary);
}

.playlist-dropdown li:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-light);
}

.playlist-dropdown li.active {
    background: var(--btn-hover);
    color: var(--accent-color);
    font-weight: 600;
    border-left: 3px solid var(--accent-color);
}

/* --- Center Area Interactive (Cozy Room) --- */
.cozy-interactive-room {
    flex-grow: 1;
    position: relative;
    width: 100%;
    height: 100%;
}

/* Floating Music Notes Animation */
.floating-notes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.music-note {
    position: absolute;
    bottom: 10%;
    left: 20%;
    font-size: 1.2rem;
    color: var(--accent-color);
    opacity: 0;
    animation: float-note 4s ease-out infinite;
    text-shadow: 0 0 5px var(--accent-glow);
}

/* Interactive tips box */
.cozy-tip {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    pointer-events: auto;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    white-space: nowrap;
    opacity: 0.85;
    transition: opacity var(--transition-medium);
}

.cozy-tip:hover {
    opacity: 1;
}

/* --- Ambient Mixer (Right Panel) --- */
.ambient-mixer {
    margin-bottom: 20px;
}

.mixer-sliders {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mixer-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mixer-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 500;
}

.val-display {
    font-size: 0.8rem;
    color: var(--accent-color);
    font-weight: 600;
}

/* --- Pomodoro Timer --- */
.pomodoro-timer {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.timer-mode-badge {
    background: var(--btn-hover);
    color: var(--accent-color);
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid var(--panel-border);
}

.timer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    width: 100%;
}

.timer-circle-container {
    position: relative;
    width: 130px;
    height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timer-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.timer-bg-circle {
    fill: none;
    stroke: rgba(255, 255, 255, 0.05);
    stroke-width: 5;
}

.timer-progress-circle {
    fill: none;
    stroke: var(--accent-color);
    stroke-width: 5;
    stroke-linecap: round;
    stroke-dasharray: 283; /* 2 * PI * r (r=45) */
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 0.3s linear, stroke var(--transition-slow);
    filter: drop-shadow(0 0 5px var(--accent-glow));
}

.timer-time {
    font-family: var(--font-header);
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--text-light);
    z-index: 2;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.timer-controls {
    display: flex;
    gap: 15px;
}

.timer-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--panel-border);
    color: var(--text-secondary);
    font-size: 1rem;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
}

.timer-btn:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    transform: translateY(-2px);
    box-shadow: 0 0 10px var(--accent-glow);
}

/* --- Cozy Tasks List (To-Do List) --- */
.todo-list {
    display: flex;
    flex-direction: column;
}

.clear-todo-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.95rem;
    transition: color var(--transition-medium);
}

.clear-todo-btn:hover {
    color: #ff5555;
}

.todo-input-container {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
}

.todo-input-container input {
    flex-grow: 1;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    padding: 8px 12px;
    color: var(--text-light);
    outline: none;
    font-family: var(--font-body);
    font-size: 0.85rem;
    transition: border-color var(--transition-medium);
}

.todo-input-container input:focus {
    border-color: var(--accent-color);
}

.todo-input-container button {
    background: var(--accent-color);
    border: none;
    color: var(--bg-color);
    font-weight: bold;
    padding: 8px 14px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all var(--transition-medium);
    box-shadow: 0 0 8px var(--accent-glow);
}

.todo-input-container button:hover {
    transform: scale(1.05);
}

.todo-items {
    list-style: none;
    max-height: 120px;
    overflow-y: auto;
    padding-right: 4px;
}

.todo-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    background: rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    margin-bottom: 6px;
    font-size: 0.8rem;
    animation: slide-in 0.3s ease-out;
}

.todo-item-content {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    flex-grow: 1;
}

.todo-item-content input[type="checkbox"] {
    accent-color: var(--accent-color);
    cursor: pointer;
}

.todo-text {
    transition: color 0.3s, text-decoration 0.3s;
    color: var(--text-light);
}

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

.delete-task-btn {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.25);
    cursor: pointer;
    font-size: 0.85rem;
    transition: color var(--transition-medium);
}

.delete-task-btn:hover {
    color: #ff5555;
}

/* --- Floating Zen Mode Controller --- */
.floating-controls {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 100;
}

.zen-toggle-btn {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    border: 1px solid var(--panel-border);
    color: var(--text-secondary);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-medium);
}

.zen-toggle-btn:hover {
    color: var(--text-light);
    border-color: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-glow);
}

/* Zen exit button */
.zen-exit-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 101;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    border: 1px solid var(--panel-border);
    color: var(--accent-color);
    padding: 10px 20px;
    border-radius: 30px;
    cursor: pointer;
    font-family: var(--font-header);
    font-weight: 600;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
    animation: pulse-border 2.5s infinite;
    transition: all var(--transition-medium);
}

.zen-exit-btn:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* Zen mode active state styling */
.zen-mode .app-container {
    opacity: 0;
    transform: scale(0.98);
    pointer-events: none;
}

/* --- Footer --- */
.app-footer {
    text-align: center;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.25);
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.app-footer p {
    letter-spacing: 0.2px;
}

/* --- Utility States & Classes --- */
.hidden {
    display: none !important;
}

/* --- KEYFRAME ANIMATIONS --- */
@keyframes rotate-vinyl {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes float-note {
    0% {
        transform: translateY(0) rotate(0deg) scale(0.8);
        opacity: 0;
    }
    10% {
        opacity: 0.8;
    }
    90% {
        opacity: 0.4;
    }
    100% {
        transform: translateY(-120px) rotate(45deg) scale(1.2);
        opacity: 0;
    }
}

@keyframes bounce {
    0% { transform: translateY(0); }
    100% { transform: translateY(-8px); }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(187, 154, 247, 0.7);
    }
    70% {
        box-shadow: 0 0 0 6px rgba(187, 154, 247, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(187, 154, 247, 0);
    }
}

@keyframes pulse-border {
    0% { border-color: var(--panel-border); }
    50% { border-color: var(--accent-color); }
    100% { border-color: var(--panel-border); }
}

@keyframes slide-in {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */

/* Medium screen layouts (Tablets) */
@media (max-width: 1024px) {
    .main-layout {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
        gap: 15px;
    }
    
    .center-panel {
        grid-column: 1 / -1;
        order: -1;
        height: 250px;
        pointer-events: auto; /* Let clicks work on center panel if needed */
    }
    
    .cozy-tip {
        bottom: 10px;
    }
}

/* Small screen layouts (Mobile Phones) */
@media (max-width: 768px) {
    body {
        overflow-y: auto;
    }
    
    .app-container {
        padding: 10px;
        height: auto;
    }
    
    .header-bar {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
        text-align: center;
    }
    
    .status-widget {
        text-align: center;
    }
    
    .main-layout {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .center-panel {
        height: 180px;
    }
    
    .cozy-tip {
        white-space: normal;
        text-align: center;
        width: 90%;
    }
    
    .left-panel, .right-panel {
        padding-right: 0;
    }
    
    .glass-panel {
        margin-bottom: 10px;
    }
}

/* ==========================================================================
   CUSTOMIZER SIDEBAR (ADJUSTMENTS PANEL)
   ========================================================================== */

.customizer-sidebar {
    position: fixed;
    top: 20px;
    right: -360px; /* Hidden offscreen initially */
    width: 330px;
    height: calc(100vh - 40px);
    z-index: 1000;
    overflow-y: auto;
    transition: right 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), background var(--transition-slow);
    display: flex;
    flex-direction: column;
}

.customizer-sidebar.active {
    right: 20px; /* Slide in */
}

.customizer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.customizer-header h3 {
    font-family: var(--font-header);
    font-size: 1.25rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.close-customizer-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
}

.close-customizer-btn:hover {
    color: var(--text-light);
    background: var(--btn-hover);
}

.customizer-content {
    display: flex;
    flex-direction: column;
    gap: 25px;
    flex-grow: 1;
}

.customizer-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.customizer-section h4 {
    font-family: var(--font-header);
    font-size: 0.95rem;
    color: var(--text-primary);
    border-bottom: 1px dashed var(--panel-border);
    padding-bottom: 6px;
    margin-bottom: 4px;
}

/* Background Gallery Grid */
.bg-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 8px;
}

.bg-thumbnail {
    aspect-ratio: 16/9;
    border-radius: 8px;
    background-size: cover;
    background-position: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-medium);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.bg-thumbnail:hover {
    transform: scale(1.05);
}

.bg-thumbnail.active {
    border-color: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-glow);
}

/* Custom BG Input */
.custom-bg-input label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.custom-bg-input input {
    flex-grow: 1;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    padding: 6px 10px;
    color: white;
    font-size: 0.8rem;
    outline: none;
    font-family: var(--font-body);
}

.custom-bg-input input:focus {
    border-color: var(--accent-color);
}

.custom-bg-input button {
    background: var(--accent-color);
    border: none;
    color: var(--bg-color);
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
}

.custom-bg-input button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 8px var(--accent-glow);
}

/* iOS-style Switch Toggle */
.toggle-control-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 6px 0;
}

.switch-toggle {
    position: relative;
    display: inline-block;
    width: 38px;
    height: 20px;
}

.switch-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider-round {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.1);
    transition: .3s;
    border-radius: 20px;
    border: 1px solid var(--panel-border);
}

.slider-round:before {
    position: absolute;
    content: "";
    height: 14px;
    width: 14px;
    left: 2px;
    bottom: 2px;
    background-color: var(--text-secondary);
    transition: .3s;
    border-radius: 50%;
}

.switch-toggle input:checked + .slider-round {
    background-color: var(--accent-color);
}

.switch-toggle input:checked + .slider-round:before {
    transform: translateX(18px);
    background-color: var(--bg-color);
}

/* Transition classes for panels */
.left-panel, .right-panel, .header-bar, .app-footer, .status-widget {
    transition: opacity 0.4s ease, transform 0.4s ease, max-height 0.4s ease, padding 0.4s ease, margin 0.4s ease, border-color 0.4s ease;
}

.ui-hidden {
    opacity: 0 !important;
    transform: translateY(15px);
    pointer-events: none !important;
    max-height: 0 !important;
    overflow: hidden !important;
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
}

/* Adjust layout grid when columns are hidden */
.main-layout.no-left {
    grid-template-columns: 0px 1fr 340px;
}
.main-layout.no-right {
    grid-template-columns: 320px 1fr 0px;
}
.main-layout.no-both {
    grid-template-columns: 0px 1fr 0px;
}

@media (max-width: 1024px) {
    .customizer-sidebar {
        width: 100%;
        max-width: 320px;
        right: -320px;
    }
    .customizer-sidebar.active {
        right: 0;
    }
}

/* Live radio styles */
.live-pulse-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: #ff5555;
    border-radius: 50%;
    margin-right: 6px;
    animation: live-blink 1.2s infinite alternate;
    vertical-align: middle;
    box-shadow: 0 0 8px #ff5555;
}

@keyframes live-blink {
    0% { opacity: 0.3; }
    100% { opacity: 1; }
}

/* --- Cozy Document Reader Panel Styles --- */
.study-reader-panel {
    display: flex;
    flex-direction: column;
    height: 100%;
    margin-bottom: 0;
    pointer-events: auto; /* Allow clicks since center-panel blocks them by default */
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 20px;
    z-index: 10;
    transition: opacity 0.4s ease, transform 0.4s ease;
    overflow: hidden;
}

.reader-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 12px;
    margin-bottom: 15px;
}

.reader-header h3 {
    font-family: var(--font-header);
    color: var(--text-primary);
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.close-reader-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.25rem;
    transition: color var(--transition-fast);
}

.close-reader-btn:hover {
    color: var(--danger-color);
}

/* File Drop Zone */
.reader-drop-zone {
    border: 2px dashed var(--panel-border);
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    cursor: pointer;
    flex-grow: 1;
    transition: border-color var(--transition-medium), background var(--transition-medium);
    background: rgba(0, 0, 0, 0.1);
}

.reader-drop-zone:hover, .reader-drop-zone.dragover {
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.02);
}

.reader-drop-zone i {
    font-size: 3rem;
    color: var(--accent-color);
    filter: drop-shadow(0 0 8px var(--accent-glow));
    margin-bottom: 10px;
}

.drop-title {
    font-family: var(--font-header);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-light);
}

.drop-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.btn-select-file {
    background: var(--accent-color);
    color: var(--bg-color);
    border: none;
    padding: 10px 20px;
    border-radius: 10px;
    font-family: var(--font-header);
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-select-file:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 12px var(--accent-glow);
}

/* Reader Viewer */
.reader-viewer {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    min-height: 0;
    gap: 15px;
}

.reader-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    padding: 8px 15px;
    border-radius: 10px;
    border: 1px solid var(--panel-border);
}

#docFileName {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.reader-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.btn-tool {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--panel-border);
    color: var(--text-light);
    width: 28px;
    height: 28px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.btn-tool:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    border-color: var(--accent-color);
}

#fontSizeDisplay {
    font-size: 0.8rem;
    min-width: 38px;
    text-align: center;
}

.btn-close-doc {
    background: rgba(255, 85, 85, 0.1);
    border: 1px solid rgba(255, 85, 85, 0.25);
    color: var(--danger-color);
    padding: 5px 12px;
    border-radius: 8px;
    font-family: var(--font-header);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-fast);
}

.btn-close-doc:hover {
    background: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

.reader-content-frame {
    flex-grow: 1;
    min-height: 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--panel-border);
    background: rgba(0, 0, 0, 0.15);
}

#pdfViewerFrame {
    width: 100%;
    height: 100%;
    border: none;
    background: #ffffff;
}

#textViewerContent {
    width: 100%;
    height: 100%;
    overflow-y: auto;
    padding: 25px;
    line-height: 1.7;
    text-align: justify;
    font-family: 'Outfit', sans-serif;
    color: var(--text-light);
    background: rgba(255, 255, 255, 0.02);
}

/* Warm, readable text settings inside viewer */
#textViewerContent p {
    margin-bottom: 1.2rem;
}

#textViewerContent h1, #textViewerContent h2, #textViewerContent h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
    font-family: var(--font-header);
}

/* Hidden utility class */
.hidden {
    display: none !important;
}

/* Guest track delete button */
.delete-track-btn {
    background: transparent !important;
    border: none !important;
    color: var(--text-secondary) !important;
    cursor: pointer !important;
    font-size: 0.85rem !important;
    padding: 2px 5px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: color var(--transition-fast), transform var(--transition-fast) !important;
}

.delete-track-btn:hover {
    color: #ff5555 !important;
    transform: scale(1.15) !important;
}

/* Modal form adjustments */
#trackFormModal input:focus,
#trackFormModal select:focus {
    border-color: var(--accent-color) !important;
    box-shadow: 0 0 8px var(--accent-glow) !important;
}

#trackFormModal button#btnAddTrackSubmit:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 5px 12px var(--accent-glow) !important;
}

/* Expand Reader layout */
.expand-reader-btn:hover {
    color: var(--accent-color) !important;
}

.main-layout.reader-maximized {
    grid-template-columns: 0px 1fr 0px !important;
    gap: 0 !important;
}

.main-layout.reader-maximized .left-panel,
.main-layout.reader-maximized .right-panel {
    opacity: 0 !important;
    transform: translateY(15px);
    pointer-events: none !important;
    overflow: hidden !important;
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    width: 0 !important;
    min-width: 0 !important;
}

/* --- Navigation Dropdowns --- */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.nav-dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 8px;
    min-width: 170px;
    z-index: 1000;
    border-radius: 12px;
    padding: 6px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(15, 15, 25, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.08);
    flex-direction: column;
    gap: 4px;
}

.nav-dropdown:hover .nav-dropdown-content,
.nav-dropdown-content:hover {
    display: flex;
}

.dropdown-item {
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-light);
    padding: 8px 12px;
    text-align: left;
    font-family: var(--font-body);
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background 0.2s, color 0.2s;
    width: 100%;
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--accent-color);
}

.dropdown-item.active {
    background: var(--accent-color);
    color: #000 !important;
    font-weight: 600;
}

/* Adjust dropdown buttons to look like active tabs if child is selected */
.nav-dropdown-btn.active {
    background: rgba(255, 255, 255, 0.1) !important;
    border-color: var(--accent-color) !important;
    color: var(--accent-color) !important;
}