/* 90s Vaporwave Time Service CSS */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&display=swap');

:root {
    --neon-pink: #ff00ff;
    --neon-cyan: #00ffff;
    --neon-purple: #8a2be2;
    --neon-green: #39ff14;
    --dark-bg: #0a0a0a;
    --darker-bg: #050505;
    --grid-color: #ff00ff44;
    --glass-bg: rgba(255, 0, 255, 0.1);
    --glass-border: rgba(255, 0, 255, 0.3);
    --text-primary: #ffffff;
    --text-secondary: #ff00ff;
    --text-muted: #cccccc;
}

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

body {
    font-family: 'Orbitron', monospace;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a0a1a 50%, #0a0a1a 100%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Animated Background */
.stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><circle cx="100" cy="100" r="1" fill="%23ff00ff"/><circle cx="300" cy="200" r="1" fill="%2300ffff"/><circle cx="500" cy="150" r="1" fill="%23ff00ff"/><circle cx="700" cy="300" r="1" fill="%2300ffff"/><circle cx="200" cy="400" r="1" fill="%23ff00ff"/><circle cx="600" cy="450" r="1" fill="%2300ffff"/><circle cx="800" cy="200" r="1" fill="%23ff00ff"/><circle cx="150" cy="600" r="1" fill="%2300ffff"/><circle cx="450" cy="700" r="1" fill="%23ff00ff"/><circle cx="750" cy="550" r="1" fill="%2300ffff"/></svg>') repeat;
    animation: twinkle 3s ease-in-out infinite alternate;
}

.twinkling {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2000 2000"><circle cx="200" cy="300" r="2" fill="%23ff00ff" opacity="0.5"/><circle cx="800" cy="600" r="2" fill="%2300ffff" opacity="0.5"/><circle cx="1200" cy="200" r="2" fill="%23ff00ff" opacity="0.5"/><circle cx="400" cy="800" r="2" fill="%2300ffff" opacity="0.5"/><circle cx="1600" cy="400" r="2" fill="%23ff00ff" opacity="0.5"/></svg>') repeat;
    animation: sparkle 4s ease-in-out infinite alternate;
}

@keyframes twinkle {
    0% { opacity: 0.3; }
    100% { opacity: 0.8; }
}

@keyframes sparkle {
    0% { transform: translateY(0px); opacity: 0.5; }
    100% { transform: translateY(-10px); opacity: 1; }
}

/* Header */
.retro-header {
    text-align: center;
    padding: 2rem 1rem;
    background: linear-gradient(180deg, rgba(255, 0, 255, 0.1) 0%, transparent 100%);
    border-bottom: 2px solid var(--neon-pink);
    box-shadow: 0 0 20px rgba(255, 0, 255, 0.3);
}

.neon-title {
    font-size: 3rem;
    font-weight: 900;
    color: var(--neon-pink);
    text-shadow:
        0 0 5px var(--neon-pink),
        0 0 10px var(--neon-pink),
        0 0 15px var(--neon-pink),
        0 0 20px var(--neon-pink);
    animation: neon-flicker 2s ease-in-out infinite alternate;
    margin-bottom: 0.5rem;
}

@keyframes neon-flicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.subtitle {
    font-size: 1rem;
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Navigation */
.nav-bar {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--neon-cyan);
    background: rgba(0, 255, 255, 0.1);
    border-radius: 25px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--neon-cyan);
    border-color: var(--neon-pink);
    background: rgba(255, 0, 255, 0.2);
    box-shadow:
        0 0 10px var(--neon-pink),
        inset 0 0 10px rgba(255, 0, 255, 0.2);
    text-shadow: 0 0 10px currentColor;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    align-items: start;
}

/* Cards */
.time-display-card,
.timezone-card,
.info-card,
.stopwatch-card,
.timer-card,
.guestbook-card,
.stats-card,
.retro-links-card {
    background: linear-gradient(135deg, rgba(255, 0, 255, 0.1) 0%, rgba(0, 255, 255, 0.1) 100%);
    border: 2px solid var(--glass-border);
    border-radius: 15px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.card-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--neon-cyan);
    text-shadow: 0 0 10px currentColor;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Guest Counter */
.guest-counter {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 0, 255, 0.2);
    border: 1px solid var(--neon-pink);
    border-radius: 20px;
    font-size: 0.9rem;
}

.counter-label {
    color: var(--text-muted);
}

.counter-value {
    color: var(--neon-pink);
    font-weight: bold;
    text-shadow: 0 0 5px currentColor;
}

/* Time Display */
.time-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.digital-clock {
    text-align: center;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--neon-green);
    border-radius: 10px;
    box-shadow:
        0 0 20px rgba(57, 255, 20, 0.3),
        inset 0 0 20px rgba(57, 255, 20, 0.1);
}

.time-display {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--neon-green);
    text-shadow:
        0 0 10px var(--neon-green),
        0 0 20px var(--neon-green),
        0 0 30px var(--neon-green);
    font-family: 'Orbitron', monospace;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.date-display {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.location-display {
    font-size: 1rem;
    color: var(--neon-cyan);
    text-shadow: 0 0 5px currentColor;
}

/* Controls */
.controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.retro-btn {
    padding: 0.8rem 1.5rem;
    background: linear-gradient(45deg, rgba(255, 0, 255, 0.2), rgba(0, 255, 255, 0.2));
    border: 2px solid var(--neon-cyan);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Orbitron', monospace;
    font-weight: bold;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.retro-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.retro-btn:hover {
    border-color: var(--neon-pink);
    box-shadow:
        0 0 15px var(--neon-pink),
        inset 0 0 15px rgba(255, 0, 255, 0.2);
    transform: translateY(-2px);
    text-shadow: 0 0 10px currentColor;
}

.retro-btn:hover::before {
    left: 100%;
}

.retro-btn.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 15px var(--neon-cyan); }
    50% { box-shadow: 0 0 25px var(--neon-cyan), 0 0 35px var(--neon-cyan); }
}

.retro-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.start-btn {
    border-color: var(--neon-green);
    background: linear-gradient(45deg, rgba(57, 255, 20, 0.2), rgba(0, 255, 0, 0.2));
}

.start-btn:hover {
    box-shadow: 0 0 15px var(--neon-green);
}

.apply-btn {
    border-color: var(--neon-purple);
    background: linear-gradient(45deg, rgba(138, 43, 226, 0.2), rgba(75, 0, 130, 0.2));
}

.apply-btn:hover {
    box-shadow: 0 0 15px var(--neon-purple);
}

/* Form Elements */
.timezone-controls {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.retro-select,
.retro-input {
    padding: 0.8rem 1rem;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--neon-cyan);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Orbitron', monospace;
    font-size: 0.9rem;
}

.retro-select:focus,
.retro-input:focus {
    outline: none;
    border-color: var(--neon-pink);
    box-shadow: 0 0 10px var(--neon-pink);
}

.retro-select option {
    background: var(--dark-bg);
    color: var(--text-primary);
}

/* Info Card */
.info-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 0, 255, 0.2);
}

.info-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.info-value {
    color: var(--neon-cyan);
    font-weight: bold;
    text-shadow: 0 0 5px currentColor;
}

.info-value.online {
    color: var(--neon-green);
    animation: pulse 2s ease-in-out infinite;
}

/* Stopwatch Styles */
.stopwatch-display,
.timer-display {
    text-align: center;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--neon-purple);
    border-radius: 10px;
    margin-bottom: 1.5rem;
}

.stopwatch-time,
.timer-time {
    font-size: 3rem;
    font-weight: 900;
    color: var(--neon-purple);
    text-shadow:
        0 0 10px var(--neon-purple),
        0 0 20px var(--neon-purple);
    font-family: 'Orbitron', monospace;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
}

.stopwatch-controls,
.timer-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Lap Times */
.lap-times {
    margin-top: 1.5rem;
    max-height: 300px;
    overflow-y: auto;
}

.lap-header {
    font-size: 1.1rem;
    color: var(--neon-cyan);
    text-align: center;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.lap-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.lap-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    background: rgba(255, 0, 255, 0.1);
    border: 1px solid var(--neon-pink);
    border-radius: 5px;
    font-family: 'Orbitron', monospace;
}

.no-laps {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    padding: 2rem;
}

/* Timer Inputs */
.timer-inputs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.input-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.input-group label {
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timer-input {
    width: 80px;
    text-align: center;
    font-size: 1.2rem;
    font-weight: bold;
}

.timer-presets {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.preset-btn {
    padding: 0.5rem 1rem;
    background: rgba(0, 255, 255, 0.1);
    border: 1px solid var(--neon-cyan);
    border-radius: 5px;
    color: var(--neon-cyan);
    font-family: 'Orbitron', monospace;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.preset-btn:hover {
    background: rgba(0, 255, 255, 0.2);
    box-shadow: 0 0 10px var(--neon-cyan);
}

/* Controls Info */
.controls-info {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

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

kbd {
    background: rgba(255, 0, 255, 0.2);
    border: 1px solid var(--neon-pink);
    border-radius: 3px;
    padding: 0.2rem 0.5rem;
    font-family: 'Orbitron', monospace;
    font-size: 0.8rem;
    color: var(--neon-pink);
    text-shadow: 0 0 5px currentColor;
    min-width: 60px;
    text-align: center;
}

/* Guestbook Styles */
.guestbook-intro {
    margin-bottom: 2rem;
}

.intro-text {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.retro-notice {
    background: rgba(255, 0, 255, 0.1);
    border: 1px solid var(--neon-pink);
    border-radius: 8px;
    padding: 1rem;
}

.notice-header {
    color: var(--neon-pink);
    font-weight: bold;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.notice-list {
    list-style: none;
    color: var(--text-muted);
}

.notice-list li {
    margin-bottom: 0.3rem;
}

.giscus-container {
    margin-top: 2rem;
    border: 2px solid var(--neon-cyan);
    border-radius: 10px;
    padding: 1rem;
    background: rgba(0, 255, 255, 0.05);
}

/* Stats Card */
.stats-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.stat-value {
    color: var(--neon-cyan);
    font-weight: bold;
    text-shadow: 0 0 5px currentColor;
}

.retro-badge {
    text-align: center;
    padding: 1rem;
    background: linear-gradient(45deg, rgba(255, 0, 255, 0.2), rgba(0, 255, 255, 0.2));
    border: 2px solid var(--neon-purple);
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(138, 43, 226, 0.3);
}

.badge-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.badge-logo {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--neon-purple);
    text-shadow: 0 0 10px currentColor;
}

/* Links Card */
.links-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.link-category {
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--neon-cyan);
    border-radius: 8px;
}

.category-title {
    color: var(--neon-cyan);
    font-weight: bold;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.link-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.retro-link {
    color: var(--neon-pink);
    text-decoration: none;
    padding: 0.5rem;
    border-radius: 5px;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.retro-link:hover {
    background: rgba(255, 0, 255, 0.1);
    border-left-color: var(--neon-pink);
    text-shadow: 0 0 5px currentColor;
    transform: translateX(5px);
}

/* Footer */
.retro-footer {
    text-align: center;
    padding: 2rem 1rem;
    border-top: 2px solid var(--neon-cyan);
    background: linear-gradient(180deg, transparent 0%, rgba(0, 255, 255, 0.1) 100%);
    margin-top: 3rem;
}

.footer-content p {
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .neon-title {
        font-size: 2rem;
    }

    .grid-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .time-display {
        font-size: 2.5rem;
    }

    .stopwatch-time,
    .timer-time {
        font-size: 2rem;
    }

    .nav-bar {
        gap: 1rem;
    }

    .nav-link {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    .timer-inputs {
        gap: 0.5rem;
    }

    .controls {
        gap: 0.5rem;
    }

    .retro-btn {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1rem 0.5rem;
    }

    .time-display {
        font-size: 2rem;
    }

    .stopwatch-time,
    .timer-time {
        font-size: 1.8rem;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-pink), var(--neon-cyan));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--neon-cyan), var(--neon-pink));
}

/* Selection Styling */
::selection {
    background: rgba(255, 0, 255, 0.3);
    color: var(--text-primary);
}

::-moz-selection {
    background: rgba(255, 0, 255, 0.3);
    color: var(--text-primary);
}