:root {
    --bg-dark: #070709;
    --panel-bg: rgba(15, 15, 20, 0.45);
    --panel-border: rgba(255, 255, 255, 0.06);
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --accent-purple: #a78bfa;
    --accent-purple-glow: rgba(167, 139, 250, 0.4);
    --accent-blue: #60a5fa;
    --accent-amber: #fbbf24;
    --glass-blur: 24px;
    --font-sans: 'Inter', sans-serif;
    --font-mono: 'Space Mono', monospace;
    --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: none;
}

body {
    font-family: var(--font-sans);
    color: var(--text-main);
    background-color: var(--bg-dark);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

/* Custom Cursor */
#custom-cursor {
    position: fixed;
    width: 12px;
    height: 12px;
    background: var(--text-main);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, background 0.2s;
}

#cursor-glow {
    position: fixed;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease-out;
}

.cursor-hover {
    width: 24px !important;
    height: 24px !important;
    background: transparent !important;
    border: 2px solid var(--accent-purple);
}

/* Loader */
#loader {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--bg-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 1.5s ease-out, visibility 1.5s;
}

.loader-content {
    text-align: center;
    animation: pulseLoader 2s infinite alternate;
}

.loader-title {
    font-size: 2rem;
    letter-spacing: 0.5rem;
    font-weight: 300;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.loader-subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-bottom: 2rem;
}

.loader-bar {
    width: 200px;
    height: 2px;
    background: rgba(255,255,255,0.1);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.loader-progress {
    position: absolute;
    top: 0; left: 0; height: 100%;
    width: 0%;
    background: var(--accent-purple);
    animation: loadBar 2.5s ease-in-out forwards;
}

@keyframes loadBar {
    0% { width: 0%; }
    100% { width: 100%; }
}

@keyframes pulseLoader {
    0% { opacity: 0.6; }
    100% { opacity: 1; }
}

/* Background */
.background-container {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 0;
}

.bg-image {
    position: absolute;
    top: -5%; left: -5%; width: 110%; height: 110%;
    background: url('assets/bg.png') center/cover no-repeat;
    filter: blur(2px);
    transition: filter 1s ease, transform 10s ease-out;
}

.bg-image.clear {
    filter: blur(0px);
}

.bg-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(7,7,9,0.7) 0%, rgba(15,15,20,0.3) 100%);
    transition: background 1s ease;
}

.film-grain {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url('data:image/svg+xml,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.85" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)" opacity="0.05"/%3E%3C/svg%3E');
    pointer-events: none;
    z-index: 2;
}

#rain-canvas {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.6;
    transition: opacity 1s ease;
}

/* Main Layout */
.app-container {
    position: relative;
    z-index: 10;
    width: 100%;
    height: 100%;
    padding: 2rem 4rem;
    display: flex;
    flex-direction: column;
}

/* Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    border-radius: 16px;
    margin-bottom: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-text {
    font-size: 1.2rem;
    letter-spacing: 0.3rem;
    font-weight: 300;
}

.logo-kanji {
    font-size: 1.5rem;
    color: var(--accent-purple);
    opacity: 0.8;
}

.header-controls {
    display: flex;
    gap: 1rem;
}

/* Glass Panels */
.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--panel-border);
    border-radius: 24px;
    padding: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.hover-effect:hover {
    transform: translateY(-4px);
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.1);
}

/* Bento Grid */
.bento-grid {
    flex: 1;
    display: grid;
    grid-template-columns: 320px 1fr 350px;
    gap: 1.5rem;
    height: calc(100% - 100px);
}

.col-left, .col-center, .col-right {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.col-center {
    align-items: center;
    justify-content: center;
}

/* Buttons */
button {
    background: none;
    border: none;
    color: var(--text-main);
    font-family: var(--font-sans);
    outline: none;
}

.icon-btn {
    width: 40px; height: 40px;
    border-radius: 50%;
    display: flex; justify-content: center; align-items: center;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition-smooth);
    font-size: 1.2rem;
}

.icon-btn:hover {
    background: rgba(255,255,255,0.1);
    transform: scale(1.05);
}

.icon-btn.small {
    width: 32px; height: 32px; font-size: 1rem;
}

.primary-btn {
    background: var(--text-main);
    color: var(--bg-dark);
    padding: 0.8rem 2.5rem;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    display: flex; align-items: center; gap: 0.5rem;
    transition: var(--transition-smooth);
}

.primary-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(255,255,255,0.3);
}

/* Clock & Weather */
.clock-display {
    font-size: 5rem;
    font-weight: 200;
    line-height: 1;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 20px rgba(255,255,255,0.2);
}

.date-display {
    font-size: 1rem;
    color: var(--accent-purple);
    font-family: var(--font-mono);
    margin-bottom: 1.5rem;
}

.greeting-display {
    font-size: 1.2rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
}

.weather-widget {
    display: flex; align-items: center; gap: 0.8rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    background: rgba(0,0,0,0.2);
    padding: 0.6rem 1.2rem;
    border-radius: 12px;
    width: fit-content;
    border: 1px solid rgba(255,255,255,0.03);
}

.weather-widget i {
    font-size: 1.2rem;
    color: var(--accent-blue);
}

/* Quote Panel */
.quote-panel {
    position: relative;
    padding: 2.5rem 2rem;
}

.quote-icon {
    position: absolute;
    top: 1rem; left: 1.5rem;
    font-size: 2.5rem;
    color: rgba(255,255,255,0.05);
}

#quote-text {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-muted);
    font-style: italic;
    position: relative;
    z-index: 1;
    transition: opacity 0.5s ease;
}

/* Streak Panel */
.panel-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 1.5rem;
}

.panel-header h3 {
    font-size: 1.1rem; font-weight: 400;
    display: flex; align-items: center; gap: 0.5rem;
}

.streak-icon { color: var(--accent-amber); text-shadow: 0 0 15px rgba(251, 191, 36, 0.4); }

.streak-content {
    display: flex; align-items: baseline; gap: 0.5rem; margin-bottom: 1.5rem;
}

.streak-number {
    font-size: 4rem; font-weight: 300; color: var(--accent-amber);
    line-height: 1; text-shadow: 0 0 20px rgba(251, 191, 36, 0.3);
}

.streak-label {
    font-family: var(--font-mono); font-size: 0.9rem; color: var(--text-muted); text-transform: uppercase;
    letter-spacing: 2px;
}

.streak-stats {
    display: flex; gap: 1.5rem;
    background: rgba(0,0,0,0.2);
    padding: 1rem;
    border-radius: 12px;
}

.stat {
    display: flex; flex-direction: column; flex: 1;
}

.stat-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 0.3rem;}
.stat-val { font-family: var(--font-mono); font-size: 1.2rem; color: var(--text-main); }

/* Timer Panel */
.timer-panel {
    display: flex; flex-direction: column; align-items: center;
    padding: 3rem;
    width: 100%; max-width: 450px;
}

.timer-modes {
    display: flex; background: rgba(0,0,0,0.3); border-radius: 30px; padding: 0.4rem; margin-bottom: 2.5rem;
    border: 1px solid rgba(255,255,255,0.05);
}

.mode-btn {
    padding: 0.6rem 1.5rem; border-radius: 20px; font-size: 0.9rem;
    color: var(--text-muted); transition: var(--transition-smooth);
}

.mode-btn.active {
    background: rgba(255,255,255,0.1); color: var(--text-main);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.timer-display-container {
    position: relative; width: 300px; height: 300px;
    display: flex; justify-content: center; align-items: center;
    margin-bottom: 2.5rem;
}

.progress-ring {
    position: absolute; top: 0; left: 0; transform: rotate(-90deg);
}

.progress-ring__circle {
    stroke-dasharray: 879; /* 2 * pi * 140 approx 879.6 */
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 1s linear, stroke 0.5s ease;
    stroke-linecap: round;
    filter: drop-shadow(0 0 8px rgba(167, 139, 250, 0.4));
}

.timer-text-container {
    text-align: center;
    z-index: 2;
}

.timer-text {
    font-size: 5rem; font-weight: 200; font-family: var(--font-mono);
    line-height: 1; text-shadow: 0 0 30px rgba(255,255,255,0.2);
}

.timer-status {
    font-size: 1rem; color: var(--accent-purple); margin-top: 0.8rem; font-weight: 300;
    letter-spacing: 1px;
}

.timer-controls {
    display: flex; gap: 1.5rem; align-items: center;
}

/* Deep Focus Toggle */
.deep-focus-toggle {
    display: flex; align-items: center; gap: 1rem;
    background: rgba(0,0,0,0.4); padding: 0.8rem 1.5rem; border-radius: 30px;
    border: 1px solid rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
}

.df-label { font-size: 0.95rem; letter-spacing: 1px; color: var(--text-muted); }

.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: none; top: 0; left: 0; right: 0; bottom: 0; background-color: rgba(255,255,255,0.1); transition: .4s; }
.slider:before { position: absolute; content: ""; height: 18px; width: 18px; left: 3px; bottom: 3px; background-color: var(--text-muted); transition: .4s; }
input:checked + .slider { background-color: var(--accent-purple); box-shadow: 0 0 15px var(--accent-purple-glow); }
input:checked + .slider:before { transform: translateX(20px); background-color: #fff; }
.slider.round { border-radius: 24px; }
.slider.round:before { border-radius: 50%; }

/* Task Manager */
.tasks-panel {
    display: flex; flex-direction: column; max-height: 350px; flex: 1;
}

.task-progress-text {
    font-family: var(--font-mono); font-size: 0.9rem; color: var(--accent-blue);
    background: rgba(96, 165, 250, 0.1); padding: 0.2rem 0.6rem; border-radius: 12px;
}

.task-input-wrapper {
    display: flex; gap: 0.5rem; margin-bottom: 1.2rem;
}

#task-input {
    flex: 1; background: rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px; padding: 0.8rem 1rem; color: var(--text-main);
    font-family: var(--font-sans); font-size: 0.9rem; outline: none;
    transition: var(--transition-smooth);
}

#task-input:focus {
    border-color: rgba(255,255,255,0.2); box-shadow: 0 0 10px rgba(255,255,255,0.05);
    background: rgba(0,0,0,0.5);
}

#add-task-btn {
    width: 46px; background: rgba(255,255,255,0.1); border-radius: 12px;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255,255,255,0.05);
}
#add-task-btn:hover { background: rgba(255,255,255,0.2); transform: translateY(-2px); }

.task-list {
    list-style: none; overflow-y: auto; flex: 1;
    padding-right: 0.5rem;
}

.task-list::-webkit-scrollbar { width: 4px; }
.task-list::-webkit-scrollbar-track { background: rgba(0,0,0,0.1); border-radius: 4px; }
.task-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 4px; }

.task-item {
    display: flex; align-items: center; gap: 1rem;
    padding: 0.8rem 1rem; background: rgba(0,0,0,0.2); border-radius: 12px;
    margin-bottom: 0.6rem; border: 1px solid transparent;
    transition: var(--transition-smooth);
    animation: slideIn 0.3s ease-out forwards;
}

.task-item:hover {
    background: rgba(0,0,0,0.4); border-color: rgba(255,255,255,0.05);
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(10px); }
    to { opacity: 1; transform: translateX(0); }
}

.task-cb {
    appearance: none; width: 20px; height: 20px; border: 2px solid var(--text-muted);
    border-radius: 6px; outline: none; position: relative; transition: all 0.2s;
    cursor: none;
}

.task-cb:checked {
    background: var(--accent-purple); border-color: var(--accent-purple);
    box-shadow: 0 0 10px var(--accent-purple-glow);
}

.task-cb:checked::after {
    content: '\eb7a'; 
    font-family: 'remixicon';
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    font-size: 14px; color: #fff;
}

.task-text { flex: 1; font-size: 0.95rem; transition: all 0.2s; font-weight: 300; }
.task-cb:checked ~ .task-text { text-decoration: line-through; color: var(--text-muted); }

.delete-task { color: var(--text-muted); opacity: 0; transition: var(--transition-smooth); }
.task-item:hover .delete-task { opacity: 1; }
.delete-task:hover { color: #ef4444; }

/* Ambient Sounds */
.sound-sliders {
    display: flex; flex-direction: column; gap: 1.4rem;
    padding: 0.5rem 0;
}

.sound-item {
    display: flex; align-items: center; gap: 1rem;
}

.sound-item i { font-size: 1.3rem; color: var(--text-muted); width: 24px; text-align: center; transition: color 0.3s;}
.sound-item i.active { color: var(--text-main); text-shadow: 0 0 10px rgba(255,255,255,0.5); }

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

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%;
    background: var(--text-main); transition: var(--transition-smooth);
    box-shadow: 0 0 5px rgba(0,0,0,0.5);
}
.volume-slider::-webkit-slider-thumb:hover { transform: scale(1.3); box-shadow: 0 0 10px rgba(255,255,255,0.8); }

/* Environment Controls */
.env-controls {
    display: flex; gap: 0.8rem; flex-wrap: wrap;
}

.env-btn {
    flex: 1; padding: 0.8rem; background: rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px; font-size: 0.9rem; display: flex; align-items: center; justify-content: center;
    gap: 0.5rem; transition: var(--transition-smooth); font-weight: 300;
}

.env-btn.active {
    background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.2); color: #fff;
    box-shadow: 0 0 15px rgba(255,255,255,0.05);
}
.env-btn:hover {
    background: rgba(255,255,255,0.2);
}

/* Deep Focus Mode Changes */
body.deep-focus {
    --glass-blur: 40px;
}
body.deep-focus .bento-grid > div > div:not(.timer-panel) {
    opacity: 0.15; filter: blur(4px); pointer-events: none; transition: all 1s ease;
}
body.deep-focus .bg-overlay {
    background: rgba(0,0,0,0.85);
}
body.deep-focus .timer-panel {
    transform: scale(1.05);
    box-shadow: 0 0 100px rgba(167, 139, 250, 0.2);
    border-color: rgba(167, 139, 250, 0.4);
    background: rgba(15, 15, 20, 0.7);
    z-index: 100;
}
body.deep-focus .col-center {
    z-index: 100;
}
body.deep-focus .df-label {
    color: var(--accent-purple);
    text-shadow: 0 0 10px var(--accent-purple-glow);
}

/* Responsive */
@media (max-width: 1300px) {
    .bento-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto;
    }
    .col-center { grid-column: span 2; order: -1; }
}

@media (max-width: 800px) {
    .app-container { padding: 1rem; }
    .bento-grid {
        grid-template-columns: 1fr; display: flex; flex-direction: column;
    }
    .col-center { order: 0; }
    #custom-cursor, #cursor-glow { display: none; }
    * { cursor: auto !important; }
}