/* ============================================================
   LXNotes - Course Management Styles
   Uses CSS variables from main.css for consistent branding
   ============================================================ */

/* ── Course Listing ─────────────────────────────────────────── */
.courses-hero {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: #fff;
    padding: 3.5rem 0 2.5rem;
}

.courses-hero h1 {
    font-weight: 700;
    font-size: 2.2rem;
}

.courses-hero p {
    opacity: .85;
    font-size: 1.1rem;
}

.course-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: transform .2s ease, box-shadow .2s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.course-card-thumbnail {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 2rem;
}

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

.course-card-body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-card-title {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-main);
    margin-bottom: .5rem;
    line-height: 1.4;
}

.course-card-meta {
    color: var(--text-muted);
    font-size: .85rem;
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-bottom: .75rem;
}

.course-card-meta span {
    display: flex;
    align-items: center;
    gap: .3rem;
}

.course-fee {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: .75rem;
}

.course-card-footer {
    margin-top: auto;
    padding-top: .75rem;
    border-top: 1px solid var(--border-color);
}

.badge-enrolled {
    background: rgba(12, 157, 191, .12);
    color: var(--primary-color);
    padding: .25rem .6rem;
    border-radius: 20px;
    font-size: .78rem;
    font-weight: 600;
}

/* ── Course Detail Page ──────────────────────────────────────── */
.course-detail-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 2.5rem 0;
}

.course-detail-badge {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: rgba(12, 157, 191, .1);
    color: var(--primary-color);
    border-radius: 20px;
    padding: .3rem .8rem;
    font-size: .82rem;
    font-weight: 600;
    margin-bottom: .75rem;
}

.course-detail-title {
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.3;
}

.course-detail-fee {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.course-stat-pill {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: .35rem .75rem;
    font-size: .84rem;
    color: var(--text-muted);
}

.enroll-card {
    background: var(--bg-card);
    border: 2px solid var(--primary-color);
    border-radius: 14px;
    padding: 1.5rem;
    position: sticky;
    top: 80px;
    box-shadow: var(--primary-shadow);
}

.enroll-card .btn-enroll {
    background: var(--primary-color);
    border: none;
    color: #fff;
    font-weight: 600;
    padding: .8rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    width: 100%;
    transition: background .2s;
}

.enroll-card .btn-enroll:hover {
    background: var(--primary-hover);
}

.enroll-card .btn-enrolled {
    background: #e8f8eb;
    border: none;
    color: #1a8f3c;
    font-weight: 600;
    padding: .8rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    width: 100%;
}

/* ── Enrollment Page ─────────────────────────────────────────── */
.enroll-form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 2rem;
    box-shadow: var(--shadow-soft);
}

.payment-method-radio {
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem;
    cursor: pointer;
    transition: border-color .2s, background .2s;
    display: flex;
    align-items: center;
    gap: .75rem;
}

.payment-method-radio:has(input:checked) {
    border-color: var(--primary-color);
    background: rgba(12, 157, 191, .05);
}

.payment-method-radio img {
    height: 28px;
}

.payment-method-label {
    font-weight: 600;
    font-size: .95rem;
    color: var(--text-main);
}

.due-preview-box {
    background: rgba(255, 167, 38, .08);
    border: 1px solid rgba(255, 167, 38, .3);
    border-radius: 8px;
    padding: .75rem 1rem;
    color: var(--text-main);
    font-size: .9rem;
}

/* ── My Courses Dashboard ────────────────────────────────────── */
.my-course-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: box-shadow .2s;
    text-decoration: none;
    color: inherit;
}

.my-course-card:hover {
    box-shadow: var(--shadow-md);
    color: inherit;
}

.my-course-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.my-course-title {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-main);
    margin-bottom: .2rem;
}

.my-course-meta {
    color: var(--text-muted);
    font-size: .82rem;
}

.enrollment-status-badge {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    border-radius: 20px;
    padding: .2rem .6rem;
    font-size: .75rem;
    font-weight: 600;
}

.enrollment-status-badge.active    { background: #e6f9ed; color: #1a7f38; }
.enrollment-status-badge.suspended { background: #fff3e0; color: #c06200; }
.enrollment-status-badge.completed { background: #e3f2fd; color: #1565c0; }
.enrollment-status-badge.dropped   { background: #fce4ec; color: #b71c1c; }

/* ── My Course Detail ─────────────────────────────────────────── */
.course-section-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.course-section-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: .6rem;
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-main);
}

.course-section-header i {
    color: var(--primary-color);
}

.course-section-body {
    padding: 1rem 1.25rem;
}

.class-item {
    display: flex;
    align-items: flex-start;
    gap: .75rem;
    padding: .75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.class-item:last-child {
    border-bottom: none;
}

.class-number {
    width: 32px;
    height: 32px;
    background: rgba(12, 157, 191, .1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: .8rem;
    flex-shrink: 0;
}

.recording-item {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .75rem 0;
    border-bottom: 1px solid var(--border-color);
    text-decoration: none;
    color: inherit;
    transition: color .15s;
}

.recording-item:last-child { border-bottom: none; }

.recording-item:hover .recording-title {
    color: var(--primary-color);
}

.recording-icon {
    width: 38px;
    height: 38px;
    background: rgba(63, 63, 175, .1);
    color: var(--secondary-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.due-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .75rem 0;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: .5rem;
}

.due-item:last-child { border-bottom: none; }

.due-amount {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-main);
}

.due-date {
    font-size: .83rem;
    color: var(--text-muted);
}

.due-overdue {
    color: #dc3545;
}

.btn-pay-due {
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: .3rem .8rem;
    font-size: .82rem;
    font-weight: 600;
    text-decoration: none;
    transition: background .2s;
}

.btn-pay-due:hover {
    background: var(--primary-hover);
    color: #fff;
}

/* ── Financial Summary Bar ───────────────────────────────────── */
.finance-bar {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.finance-stat {
    flex: 1;
    min-width: 100px;
}

.finance-stat-label {
    font-size: .78rem;
    color: var(--text-muted);
    margin-bottom: .15rem;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.finance-stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
}

.finance-stat-value.paid   { color: #1a8f3c; }
.finance-stat-value.due    { color: #dc3545; }
.finance-stat-value.total  { color: var(--primary-color); }

/* ── Live class badge ────────────────────────────────────────── */
.live-badge {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    background: #dc3545;
    color: #fff;
    border-radius: 20px;
    padding: .15rem .55rem;
    font-size: .72rem;
    font-weight: 700;
    animation: pulse-live 1.5s infinite;
}

@keyframes pulse-live {
    0%, 100% { opacity: 1; }
    50%       { opacity: .7; }
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 767px) {
    .courses-hero h1    { font-size: 1.6rem; }
    .course-detail-title { font-size: 1.4rem; }
    .enroll-card        { position: static; }
    .course-detail-fee  { font-size: 1.5rem; }
}