/* === FILE: assets/style.css === */
:root {
    --bg-color: #0d1117;
    --card-bg: #161b22;
    --border-color: #30363d;
    --accent-green: #00cc44;
    --accent-blue: #1f6feb;
    --accent-orange: #f0883e;
    --accent-dark-orange: #cc6620;
    --accent-red: #da3633;
    --text-color: #ffffff;
    --subtext-color: #8b949e;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header */
header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-green);
    text-decoration: none;
}

.search-bar form {
    display: flex;
}

.search-bar input {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px 0 0 8px;
    padding: 0.5rem 1rem;
    color: #fff;
    width: 250px;
}

.search-bar button {
    background: var(--accent-green);
    border: none;
    border-radius: 0 8px 8px 0;
    padding: 0.5rem 1rem;
    color: #fff;
    cursor: pointer;
}

/* Category Tabs */
.category-tabs {
    display: flex;
    gap: 10px;
    margin: 2rem 0;
    overflow-x: auto;
    padding-bottom: 10px;
}

.category-tabs::-webkit-scrollbar { height: 4px; }
.category-tabs::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 10px; }

.tab {
    padding: 0.5rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--subtext-color);
    text-decoration: none;
    white-space: nowrap;
    transition: 0.3s;
}

.tab.active, .tab:hover {
    background: var(--accent-green);
    color: #fff;
    border-color: var(--accent-green);
}

/* Video Grid */
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 3rem;
}

@media (max-width: 992px) { .video-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 576px) { .video-grid { grid-template-columns: 1fr; } }

.video-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: 0.3s;
    position: relative;
}

.video-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-green);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.thumbnail-wrapper {
    position: relative;
    aspect-ratio: 16/9;
}

.thumbnail-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hot-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: #ff3e3e;
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.video-info {
    padding: 1rem;
}

.video-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.video-stats {
    display: flex;
    justify-content: space-between;
    color: var(--subtext-color);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.unlock-btn {
    display: block;
    width: 100%;
    padding: 0.8rem;
    background: var(--accent-green);
    color: #fff;
    text-align: center;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: 0.3s;
}

.unlock-btn:hover {
    background: #00b33c;
    box-shadow: 0 0 15px rgba(0, 204, 68, 0.4);
}

/* Video Page Mini-App Optimization */
.video-header { margin: 1rem 0; }
.video-header h1 { font-size: 1.2rem; margin-bottom: 0.3rem; line-height: 1.4; }
.hd-badge { background: var(--accent-green); color: #fff; padding: 2px 6px; border-radius: 4px; font-size: 0.7rem; vertical-align: middle; }

.player-container {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

.blurred-thumbnail {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    filter: blur(15px);
    background-size: cover;
    background-position: center;
}

.unlock-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: rgba(0,0,0,0.6);
    z-index: 5;
}

/* Unlock Box */
.unlock-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.unlock-box-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--border-color);
}

.unlock-box-header h2 { font-size: 1.1rem; }

.steps-container {
    display: grid;
    gap: 10px;
}

.step-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem;
    border-radius: 10px;
    background: #1c2128;
    border: 1px solid var(--border-color);
}

.step-info { display: flex; align-items: center; gap: 10px; }
.step-number {
    width: 25px; height: 25px; border-radius: 50%;
    background: var(--border-color);
    display: flex; align-items: center; justify-content: center;
    font-weight: 600;
    font-size: 0.8rem;
}

.step-item.active { border-color: var(--accent-green); box-shadow: 0 0 10px rgba(0, 204, 68, 0.1); }
.step-item.completed { border-color: var(--accent-green); background: rgba(0, 204, 68, 0.03); }
.step-item.completed .step-number { background: var(--accent-green); }

.step-btn {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: none;
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    font-size: 0.85rem;
}

.btn-step-1 { background: var(--accent-blue); }
.btn-step-2 { background: var(--accent-orange); }
.btn-step-3 { background: var(--accent-dark-orange); }
.btn-step-4 { background: var(--accent-red); }
.btn-completed { background: var(--accent-green); }

.step-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Timer Modal */
.timer-modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    flex-direction: column;
}

.timer-circle {
    width: 150px; height: 150px;
    border: 8px solid var(--accent-green);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 3rem; font-weight: 700; color: var(--accent-green);
    margin-bottom: 1rem;
    box-shadow: 0 0 20px rgba(0, 204, 68, 0.3);
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    text-align: center;
    color: var(--subtext-color);
}

.success-box {
    background: rgba(0, 204, 68, 0.1);
    border: 1px solid var(--accent-green);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    margin-top: 1rem;
}