:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --success-color: #22c55e;
    --locked-color: #475569;
    --border-radius: 12px;
    --transition-speed: 0.3s;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}

.container {
    width: 100%;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

header {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #60a5fa, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.instructions {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.instruction-steps {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.step-number {
    background-color: var(--card-bg);
    color: var(--accent-color);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    border: 1px solid var(--accent-color);
}

#links-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.content-text {
    color: var(--text-secondary);
    line-height: 1.6;
    background-color: rgba(30, 41, 59, 0.5);
    padding: 1rem;
    border-radius: var(--border-radius);
    border-left: 3px solid var(--accent-color);
}

.content-text p {
    margin-bottom: 0.5rem;
}

.content-text p:last-child {
    margin-bottom: 0;
}

.link-card {
    background-color: var(--card-bg);
    padding: 1.25rem;
    border-radius: var(--border-radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
}

.link-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-color);
}

.link-card.disabled {
    opacity: 0.6;
    pointer-events: none;
    cursor: not-allowed;
    filter: grayscale(1);
}

.link-card.completed {
    border-color: var(--success-color);
    background-color: rgba(34, 197, 94, 0.1);
}

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

.link-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-secondary);
    opacity: 0.3;
}

.link-title {
    font-weight: 600;
    font-size: 1.1rem;
}

.status-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timer {
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    color: var(--accent-color);
}

#winner-section {
    text-align: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(168, 85, 247, 0.1));
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(168, 85, 247, 0.3);
    transition: all 0.5s ease;
}

#winner-section.locked {
    opacity: 0.5;
    filter: grayscale(1);
    pointer-events: none;
    border-color: var(--locked-color);
    background: rgba(30, 41, 59, 0.5);
}

#winner-section.locked h2::after {
    content: " (Locked)";
    font-size: 0.8em;
    opacity: 0.7;
}

.download-btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--accent-color), #a855f7);
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-radius: 50px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.download-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.5);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.loading {
    text-align: center;
    color: var(--text-secondary);
    padding: 2rem;
}