/* style.css */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&family=Inter:wght@300;400;600&display=swap');

:root {
    --primary-color: #7c3aed; /* Deep violet */
    --secondary-color: #4c1d95; /* Dark violet */
    --accent-color: #06b6d4; /* Neon cyan for contrasts */
    --bg-dark: #0f172a;
    --text-light: #f3f4f6;
}

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

body {
    background-color: var(--bg-dark);
    background-image: radial-gradient(circle at 50% 0%, #2e1065 0%, var(--bg-dark) 70%);
    color: var(--text-light);
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.container {
    width: 100%;
    max-width: 1200px;
    padding: 20px;
    text-align: center;
}

/* Header & Logo */
header h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-transform: uppercase;
    background: linear-gradient(90deg, #a78bfa, #2dd4bf);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Countdown Card */
.countdown-box {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(124, 58, 237, 0.3);
    border-radius: 20px;
    padding: 40px 20px;
    margin: 30px 0;
    box-shadow: 0 0 30px rgba(124, 58, 237, 0.2);
}

.timer {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.time-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.number {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-color);
}

.label {
    font-size: 0.9rem;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Prominent end-date display (large, stylish, with a subtle animated gradient) */
.end-date {
    margin: 18px auto 6px;
    font-family: 'Orbitron', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    text-align: center;
    padding: 10px 18px;
    border-radius: 14px;
    background: linear-gradient(90deg, rgba(124,58,237,0.12), rgba(45,212,191,0.08));
    color: var(--text-light);
    position: relative;
    box-shadow: 0 6px 18px rgba(12, 12, 20, 0.6), inset 0 -2px 12px rgba(124,58,237,0.03);
    -webkit-background-clip: padding-box;
}

/* Gradient text effect for the date string */
.end-date .date-text {
    background: linear-gradient(90deg, #a78bfa, #2dd4bf, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    text-shadow: 0 2px 10px rgba(45,212,191,0.08);
}

/* Add a subtle moving glow under the element */
.end-date::after {
    content: '';
    position: absolute;
    left: 10%;
    right: 10%;
    bottom: -8px;
    height: 8px;
    background: radial-gradient(closest-side, rgba(124,58,237,0.18), transparent 60%);
    filter: blur(8px);
    opacity: 0.85;
    z-index: -1;
}

/* Make sure the element reduces size on smaller screens */
@media (max-width: 768px) {
    .end-date { font-size: 1.3rem; padding: 8px 14px; }
}

@media (max-width: 400px) {
    .end-date { font-size: 1.0rem; padding: 6px 10px; border-radius: 12px; }
}

/* Timezone Controls */
.timezone-controls {
    margin-top: 20px;
    font-size: 0.9rem;
    color: #cbd5e1;
    background: rgba(0,0,0,0.3);
    padding: 10px 20px;
    border-radius: 50px;
    display: inline-block;
}

select {
    background: #1e293b;
    color: white;
    border: 1px solid var(--secondary-color);
    padding: 8px 12px;
    border-radius: 20px;
    margin-left: 10px;
    cursor: pointer;
    font-size: 0.95rem;
}

/* Help Button */
.help-button {
    display: inline-block;
    margin-top: 25px;
    padding: 16px 40px;
    font-size: 1.2rem;
    font-weight: 600;
    font-family: 'Orbitron', sans-serif;
    text-decoration: none;
    color: var(--text-light);
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.4), rgba(6, 182, 212, 0.3));
    border: 2px solid var(--accent-color);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.4), inset 0 0 20px rgba(124, 58, 237, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.help-button:hover {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.6), rgba(6, 182, 212, 0.5));
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.6), inset 0 0 20px rgba(124, 58, 237, 0.2);
    transform: translateY(-2px);
}

.help-button:active {
    transform: translateY(0);
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.3), inset 0 0 15px rgba(124, 58, 237, 0.15);
}

/* Advertising */
.ad-space {
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px dashed #4b5563;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6b7280;
    margin: 20px auto;
}

.ad-leaderboard { width: 100%; height: 45px; max-width: 728px; }

/* Responsive - Tablet (768px and below) */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .container {
        padding: 15px;
    }

    .countdown-box {
        padding: 30px 15px;
        margin: 20px 0;
    }

    .number {
        font-size: 2.5rem;
    }

    .label {
        font-size: 0.85rem;
    }

    .timer {
        gap: 15px;
    }

    .help-button {
        display: inline-block;
        margin-top: 20px;
        padding: 14px 32px;
        font-size: 1.1rem;
    }

    /* .ad-sidebar removed (not used) */
}

/* Responsive - Mobile (600px and below) */
@media (max-width: 600px) {
    header h1 {
        font-size: 1.5rem;
    }

    header p {
        font-size: 0.9rem;
    }

    .container {
        padding: 10px;
    }

    .countdown-box {
        padding: 20px 10px;
        margin: 15px 0;
        border-radius: 15px;
    }

    .timer {
        gap: 8px;
        margin-top: 15px;
    }

    .number {
        font-size: 1.8rem;
    }

    .label {
        font-size: 0.7rem;
        letter-spacing: 0.5px;
    }

    .time-unit {
        flex: 1;
        min-width: 60px;
    }

    .timezone-controls {
        margin-top: 15px;
        padding: 8px 15px;
        font-size: 0.8rem;
        flex-direction: column;
        display: block;
    }

    .timezone-controls p {
        margin-bottom: 8px;
    }

    .timezone-controls label {
        display: block;
        margin-bottom: 5px;
    }

    select {
        width: 100%;
        margin-left: 0;
        margin-top: 5px;
        padding: 8px;
        font-size: 0.9rem;
    }

    .help-button {
        display: inline-block;
        margin-top: 15px;
        padding: 13px 28px;
        font-size: 1rem;
    }

    .ad-leaderboard {
        height: 60px;
    }

    /* .ad-sidebar removed (not used) */

    footer {
        font-size: 0.75rem;
    }
}

/* Very small - Small mobile devices (400px and below) */
@media (max-width: 400px) {
    header h1 {
        font-size: 1.2rem;
        margin-bottom: 5px;
    }

    .number {
        font-size: 1.5rem;
    }

    .label {
        font-size: 0.65rem;
    }

    .countdown-box {
        padding: 15px 8px;
    }

    .timer {
        gap: 5px;
    }

    .time-unit {
        min-width: 50px;
    }

    .help-button {
        display: inline-block;
        margin-top: 15px;
        padding: 12px 24px;
        font-size: 1rem;
    }
}