/* =====================================================
   COURSES PAGE - Premium Edition
   ===================================================== */

.courses-page-layout {
    display: block;
    padding: 40px 0 80px;
}

/* ── Filter Sidebar ─────────────────────────────────── */
.filter-sidebar {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 24px;
    height: fit-content;
    position: sticky;
    top: calc(var(--header-h) + 20px);
    box-shadow: var(--shadow-sm);
}
.filter-title {
    font-size: 16px;
    font-weight: 800;
    color: var(--text-1);
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1.5px solid var(--border);
    letter-spacing: -.2px;
}
.filter-group { margin-bottom: 24px; }
.filter-group-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-4);
    margin-bottom: 12px;
}
.filter-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 14px;
    color: var(--text-2);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-family: var(--font);
}
.filter-option:hover {
    background: var(--primary-light);
    color: var(--primary);
    transform: translateX(3px);
}
.filter-option.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}
.filter-option .count {
    margin-left: auto;
    font-size: 11px;
    background: var(--border-light);
    color: var(--text-3);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: all var(--transition);
}
.filter-option.active .count {
    background: rgba(193,32,38,.15);
    color: var(--primary);
}
.btn-reset-filter {
    width: 100%;
    padding: 10px;
    border: 1.5px dashed var(--border);
    border-radius: var(--radius);
    background: none;
    font-family: var(--font);
    font-size: 13px;
    color: var(--text-3);
    cursor: pointer;
    transition: all var(--transition);
}
.btn-reset-filter:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }

/* ── Main Area ──────────────────────────────────────── */
.courses-main {}

.courses-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
    background: var(--bg-white);
    padding: 16px 20px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}
.courses-count { font-size: 14px; color: var(--text-3); }
.courses-count strong { color: var(--text-1); font-weight: 700; }

/* Search bar */
.search-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-full);
    padding: 9px 16px;
    flex: 1;
    max-width: 400px;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.search-bar:focus-within {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(193,32,38,.08);
}
.search-bar input {
    border: none;
    background: none;
    outline: none;
    font-family: var(--font);
    font-size: 14px;
    flex: 1;
    color: var(--text-1);
}
.search-bar input::placeholder { color: var(--text-4); }

/* Sort select */
.sort-select {
    padding: 9px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-full);
    font-family: var(--font);
    font-size: 14px;
    color: var(--text-2);
    outline: none;
    background: var(--bg);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
    font-weight: 500;
}
.sort-select:focus { border-color: var(--primary); background: #fff; }

/* ── Category Label ─────────────────────────────────── */
.category-label {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-1);
    margin-bottom: 20px;
    margin-top: 36px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -.3px;
}
.category-label:first-child { margin-top: 0; }
.category-label-badge {
    font-size: 12px;
    font-weight: 700;
    background: var(--primary);
    color: #fff;
    padding: 3px 10px;
    border-radius: var(--radius-full);
}

/* ── Course Cards Override ──────────────────────────── */
.course-grid {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 22px !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
}

.course-card, .progress-card-link, .progress-card {
    max-width: none !important;
    width: 100% !important;
    margin: 0 !important;
}

/* ── Empty State ────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-3);
    background: var(--bg-white);
    border: 1.5px dashed var(--border);
    border-radius: var(--radius-xl);
}
.empty-state .empty-icon { font-size: 64px; margin-bottom: 20px; opacity: .5; }
.empty-state h3 { font-size: 20px; font-weight: 700; color: var(--text-2); margin-bottom: 8px; }

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 1200px) {
    .course-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}
@media (max-width: 1024px) {
    .courses-page-layout { grid-template-columns: 1fr; }
    .filter-sidebar { position: static; }
    .course-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}
@media (max-width: 768px) {
    .course-grid {
        grid-template-columns: 1fr !important;
    }
}