@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Lao:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #4338ca;
    --primary-light: #eef2ff;
    --text-dark: #0f172a;
    --text-muted: #64748b;
    --bg-surface: #ffffff;
    --bg-page: #f8fafc;
    --border-color: #e2e8f0;
    --accent-blue: #0284c7;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Noto Sans Lao', sans-serif;
}

body {
    background-color: var(--bg-page);
    color: var(--text-dark);
    line-height: 1.6;
    padding-bottom: 80px;
}

/* Header Banner */
.app-header {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 60%, #4338ca 100%);
    color: #ffffff;
    padding: 40px 20px 50px 20px;
    border-radius: 0 0 32px 32px;
    box-shadow: 0 10px 30px rgba(30, 27, 75, 0.15);
    margin-bottom: -20px;
}

.header-container {
    max-width: 960px;
    margin: 0 auto;
}

.category-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 12px;
}

.page-title {
    font-size: 1.85rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.page-subtitle {
    font-size: 0.95rem;
    color: #cbd5e1;
}

/* Main Container & Cards */
.main-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
}

.session-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.session-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 22px 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.03);
    transition: all 0.25s ease;
}

.session-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 20px -5px rgba(0, 0, 0, 0.08);
    border-color: #cbd5e1;
}

/* Icon Box */
.session-icon-box {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

/* Session Info */
.session-info {
    flex: 1;
}

.badge-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.session-badge {
    background: #e0e7ff;
    color: #3730a3;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 6px;
    letter-spacing: 0.5px;
}

.type-badge {
    background: #f1f5f9;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 2px 8px;
    border-radius: 6px;
}

.session-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.session-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

/* Link input & Copy */
.link-display-box {
    display: flex;
    align-items: center;
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 4px 6px 4px 10px;
    gap: 8px;
    max-width: 500px;
}

.link-display-box i {
    color: #94a3b8;
    font-size: 0.85rem;
}

.link-input {
    border: none;
    background: transparent;
    font-size: 0.8rem;
    color: #475569;
    width: 100%;
    outline: none;
}

.btn-copy {
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: #475569;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.btn-copy:hover {
    background: #f1f5f9;
    color: var(--text-dark);
}

/* Action Button */
.session-action {
    flex-shrink: 0;
}

.btn-open-task {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: #ffffff;
    text-decoration: none;
    padding: 10px 18px;
    border-radius: 10px;
    font-size: 0.88rem;
    font-weight: 600;
    transition: background-color 0.2s, transform 0.1s;
    box-shadow: 0 4px 10px rgba(67, 56, 202, 0.25);
}

.btn-open-task:hover {
    background: #3730a3;
    transform: translateY(-1px);
}

/* Responsive ສຳລັບມືຖື */
@media (max-width: 680px) {
    .session-card {
        flex-direction: column;
        align-items: flex-start;
        padding: 18px;
    }
    .session-action {
        width: 100%;
    }
    .btn-open-task {
        width: 100%;
        justify-content: center;
    }
    .link-display-box {
        max-width: 100%;
    }
}