:root {
    --primary: #6A67CE;
    --secondary: #4ECDC4;
    --accent: #FF6B6B;
    --dark: #1E2029;
    --darker: #15161C;
    --light: #f0f5ff;
    --lighter: #ffffff;
    --text: #E4E6F0;
    --text-dark: #333333;
    --card-bg: rgba(30, 32, 41, 0.8);
    --card-border: rgba(106, 103, 206, 0.3);
    --glow-primary: 0 0 10px var(--primary), 0 0 20px var(--primary);
    --glow-secondary: 0 0 10px var(--secondary), 0 0 20px var(--secondary);
    --transition: all 0.3s ease;
}

.light-theme {
    --dark: #f0f5ff;
    --darker: #d9e4ff;
    --text: #333333;
    --text-dark: #333333;
    --card-bg: rgba(240, 245, 255, 0.8);
    --card-border: rgba(106, 103, 206, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 70%);
    color: var(--text);
    font-family: 'Exo 2', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    transition: var(--transition);
    background-size: 400% 400%;
    animation: gradientAnimation 15s ease infinite;
}

@keyframes gradientAnimation {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.container {
    width: 100%;
    max-width: 1600px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

@media (max-width: 1200px) {
    .container { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .container { grid-template-columns: 1fr; }
}

.clock-panel {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.main-clock {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
}

.time-display {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 15px;
    margin-bottom: 15px;
    position: relative;
}

#fullscreen-toggle {
    position: absolute;
    right: 20px;
    top: 0;
    background: transparent;
    border: none;
    color: var(--text);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

#fullscreen-toggle:hover { color: var(--primary); }

.time {
    font-family: 'Orbitron', monospace;
    font-size: 5.5rem;
    font-weight: 700;
    text-shadow: var(--glow-primary);
    letter-spacing: 3px;
    transition: var(--transition);
}

.period {
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 500;
    margin-bottom: 15px;
    color: var(--secondary);
    text-shadow: var(--glow-secondary);
    transition: var(--transition);
}

.date {
    font-size: 1.7rem;
    margin-bottom: 30px;
    color: var(--secondary);
    text-shadow: var(--glow-secondary);
    transition: var(--transition);
}

.progress-container {
    max-width: 600px;
    margin: 0 auto;
}

.progress-label {
    text-align: left;
    margin-top: 15px;
    margin-bottom: 8px;
    font-size: 0.9rem;
    opacity: 0.9;
}

.progress-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 4px;
    width: 0%;
    transition: width 1s ease;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.panel-header h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    color: var(--primary);
    text-shadow: var(--glow-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.search-box input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 8px 15px;
    padding-right: 35px;
    color: var(--text);
    font-family: 'Exo 2', sans-serif;
    width: 200px;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(106, 103, 206, 0.3);
}

.search-box i {
    position: absolute;
    right: 15px;
    opacity: 0.7;
}

.timezone-list {
    max-height: 400px;
    overflow-y: auto;
    padding-right: 10px;
}

.timezone-list::-webkit-scrollbar {
    width: 6px;
}

.timezone-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.timezone-list::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 3px;
}

.timezone-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    margin-bottom: 10px;
    transition: var(--transition);
}

.timezone-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.timezone-name { font-size: 0.9rem; opacity: 0.9; }

.timezone-time {
    font-family: 'Orbitron', monospace;
    font-size: 1.2rem;
    color: var(--primary);
    text-shadow: var(--glow-primary);
}

.timezone-offset { font-size: 0.8rem; opacity: 0.7; }

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.info-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 15px;
    text-align: center;
    transition: var(--transition);
}

.info-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.info-label {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-bottom: 8px;
}

.info-value {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--secondary);
    text-shadow: var(--glow-secondary);
}

.analog-clock {
    width: 220px;
    height: 220px;
    border: 4px solid var(--primary);
    border-radius: 50%;
    margin: 0 auto;
    position: relative;
    box-shadow: var(--glow-primary);
    background: rgba(0, 0, 0, 0.1);
}

.hand {
    position: absolute;
    bottom: 50%;
    left: 50%;
    transform-origin: bottom center;
    border-radius: 10px 10px 0 0;
    z-index: 2;
}

.hour-hand {
    width: 6px;
    height: 60px;
    background: var(--secondary);
    margin-left: -3px;
    box-shadow: var(--glow-secondary);
}

.minute-hand {
    width: 4px;
    height: 90px;
    background: var(--primary);
    margin-left: -2px;
    box-shadow: var(--glow-primary);
}

.second-hand {
    width: 2px;
    height: 100px;
    background: var(--accent);
    margin-left: -1px;
    box-shadow: 0 0 10px var(--accent), 0 0 20px var(--accent);
}

.center-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 10px var(--accent);
    z-index: 10;
}

.marker {
    position: absolute;
    width: 4px;
    height: 12px;
    background: var(--text);
    opacity: 0.7;
    transform-origin: bottom center;
}

.marker-1 { transform: translate(165px, 20px) rotate(30deg); }
.marker-2 { transform: translate(185px, 50px) rotate(60deg); }
.marker-3 { transform: translate(195px, 85px) rotate(90deg); }
.marker-4 { transform: translate(185px, 120px) rotate(120deg); }
.marker-5 { transform: translate(165px, 150px) rotate(150deg); }
.marker-6 { transform: translate(135px, 165px) rotate(180deg); }
.marker-7 { transform: translate(105px, 150px) rotate(210deg); }
.marker-8 { transform: translate(85px, 120px) rotate(240deg); }
.marker-9 { transform: translate(75px, 85px) rotate(270deg); }
.marker-10 { transform: translate(85px, 50px) rotate(300deg); }
.marker-11 { transform: translate(105px, 20px) rotate(330deg); }
.marker-12 { transform: translate(135px, 5px) rotate(0deg); }

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.calendar-header h3 {
    font-size: 1.2rem;
    color: var(--primary);
}

.calendar-header button {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    color: var(--text);
    cursor: pointer;
    transition: var(--transition);
}

.calendar-header button:hover { background: var(--primary); }

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary);
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 5px;
}

.calendar-day {
    padding: 8px;
    text-align: center;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.calendar-day:hover { background: rgba(255, 255, 255, 0.1); }

.calendar-day.current-day {
    background: var(--primary);
    color: white;
    font-weight: 600;
}

.calendar-day.empty { opacity: 0.3; }

.moon-phase {
    display: flex;
    align-items: center;
    justify-content: space-around;
    margin: 20px 0;
}

.moon-visual {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.5) 50%, rgba(255, 255, 255, 0.2) 50%);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.moon-fill {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    transform: scale(0.8);
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
}

.moon-info { text-align: left; }

.sun-times {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.sun-time {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 15px;
}

.sun-time i {
    font-size: 1.5rem;
    color: var(--accent);
}

.control-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.control-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

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

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition);
}

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

input:checked + .slider:before { transform: translateX(26px); }

.slider.round { border-radius: 24px; }

.slider.round:before { border-radius: 50%; }

.control-label { font-weight: 500; }

.color-picker h3 {
    margin-bottom: 15px;
    color: var(--primary);
}

.color-options {
    display: flex;
    gap: 12px;
}

.color-option {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.color-option:hover { transform: scale(1.1); }

.color-option.selected {
    border-color: white;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.7);
    transform: scale(1.2);
}

.reset-theme-btn {
    margin-top: 10px;
    background: var(--accent);
    border: none;
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.reset-theme-btn:hover { background: var(--secondary); }

.signature {
    text-align: center;
    margin-top: 30px;
    opacity: 0.7;
    font-size: 0.9rem;
    grid-column: 1 / -1;
}

body.glow-effects .time { text-shadow: var(--glow-primary); }
body.glow-effects .period { text-shadow: var(--glow-secondary); }
body.glow-effects .date { text-shadow: var(--glow-secondary); }
body.glow-effects .analog-clock { box-shadow: var(--glow-primary); }
body.glow-effects .hour-hand { box-shadow: var(--glow-secondary); }
body.glow-effects .minute-hand { box-shadow: var(--glow-primary); }
body.glow-effects .second-hand { box-shadow: 0 0 10px var(--accent), 0 0 20px var(--accent); }
body.glow-effects .center-circle { box-shadow: 0 0 10px var(--accent), 0 0 20px var(--accent); }
body.glow-effects .timezone-time { text-shadow: var(--glow-primary); }
body.glow-effects .info-value { text-shadow: var(--glow-secondary); }

.weather-info {
    margin-top: 20px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

@keyframes fadeIn { to { opacity: 1; } }

.alarm-setter { margin-top: 20px; }

.alarm-setter input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 8px;
    color: var(--text);
}

.alarm-setter button {
    background: var(--primary);
    border: none;
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.alarm-setter button:hover { background: var(--secondary); }

.alarm-setter ul {
    list-style: none;
    margin-top: 10px;
}

.alarm-setter li {
    background: rgba(255, 255, 255, 0.05);
    padding: 8px;
    border-radius: 8px;
    margin-bottom: 5px;
    display: flex;
    justify-content: space-between;
}

.alarm-setter li button {
    background: transparent;
    color: var(--accent);
    border: none;
    cursor: pointer;
}

@media (max-width: 768px) {
    .time { font-size: 3.5rem; }
    .period { font-size: 1.5rem; }
    .date { font-size: 1.2rem; }
    .panel-header { flex-direction: column; align-items: flex-start; gap: 15px; }
    .search-box { width: 100%; }
    .search-box input { width: 100%; }
    .analog-clock { width: 180px; height: 180px; }
    .hour-hand { height: 50px; }
    .minute-hand { height: 75px; }
    .second-hand { height: 85px; }
}

@media (max-width: 480px) {
    .time { font-size: 2.8rem; }
    .clock-panel { padding: 20px; }
    .main-clock { padding: 30px 20px; }
    .control-grid { grid-template-columns: 1fr; }
    .info-grid { grid-template-columns: 1fr 1fr; }
    .moon-phase { flex-direction: column; gap: 20px; }
    .color-options { flex-wrap: wrap; justify-content: center; }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .progress-fill { transition: none; }
}

@media (prefers-contrast: high) {
    :root { --card-border: rgba(106, 103, 206, 0.8); }
    .clock-panel { border-width: 2px; }
}