:root {
    --dlms-primary: #0e9594;
    --dlms-primary-dark: #0b7d7c;
    --dlms-dark: #1c2b39;
    --dlms-light-bg: #f4f9f9;
    --dlms-border: #e2eaea;
    --dlms-danger: #e74c3c;
    --dlms-success: #27ae60;
}

/* ---------- General ---------- */
.dlms-btn {
    display: inline-block;
    background: var(--dlms-primary);
    color: #fff !important;
    padding: 12px 24px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
    transition: background .2s ease;
    font-size: 15px;
}
.dlms-btn:hover { background: var(--dlms-primary-dark); }
.dlms-btn-block { display: block; width: 100%; text-align: center; margin-bottom: 15px; }

/* ---------- Course Archive ---------- */
.dlms-archive-wrap { max-width: 1200px; margin: 40px auto; padding: 0 20px; }
.dlms-archive-title { text-align: center; font-size: 34px; margin-bottom: 30px; color: var(--dlms-dark); }

.dlms-courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}
.dlms-course-card {
    background: #fff;
    border: 1px solid var(--dlms-border);
    border-radius: 10px;
    overflow: hidden;
    padding-bottom: 16px;
    transition: transform .2s ease, box-shadow .2s ease;
}
.dlms-course-card:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(0,0,0,.08); }
.dlms-course-card img { width: 100%; height: 180px; object-fit: cover; }
.dlms-course-card h3 { padding: 0 16px; margin: 12px 0 6px; font-size: 18px; color: var(--dlms-dark); }
.dlms-course-meta { padding: 0 16px; display: flex; gap: 10px; font-size: 13px; color: #777; margin-bottom: 8px; }
.dlms-course-price { padding: 0 16px; font-weight: 700; color: var(--dlms-primary); margin-bottom: 12px; font-size: 18px; }
.dlms-course-card .dlms-btn { margin: 0 16px; }

/* ---------- Single Course ---------- */
.dlms-single-course-wrap { max-width: 1200px; margin: 0 auto; padding: 0 20px 60px; }

.dlms-course-hero {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    background: var(--dlms-dark);
    color: #fff;
    padding: 50px 40px;
    border-radius: 12px;
    margin: 30px 0;
    align-items: center;
}
.dlms-course-hero-content { flex: 1; min-width: 280px; }
.dlms-course-level {
    background: var(--dlms-primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.dlms-course-title { font-size: 36px; margin: 15px 0; }
.dlms-course-excerpt { opacity: .85; margin-bottom: 20px; }
.dlms-course-meta-bar { display: flex; gap: 20px; flex-wrap: wrap; font-size: 14px; }
.dlms-member-badge { background: var(--dlms-success); padding: 4px 10px; border-radius: 6px; }
.dlms-course-hero-image { flex: 1; min-width: 280px; }
.dlms-course-hero-image img { width: 100%; border-radius: 10px; }

.dlms-intro-video-section { margin: 40px 0; }
.dlms-video-wrap { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; border-radius: 10px; }
.dlms-video-wrap iframe, .dlms-video-wrap video {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; border-radius: 10px;
}

.dlms-course-body { display: flex; gap: 40px; flex-wrap: wrap; margin-top: 40px; }
.dlms-course-main { flex: 2; min-width: 320px; }
.dlms-course-sidebar { flex: 1; min-width: 280px; }

.dlms-sidebar-box {
    background: var(--dlms-light-bg);
    border: 1px solid var(--dlms-border);
    border-radius: 10px;
    padding: 24px;
    position: sticky;
    top: 20px;
}
.dlms-sidebar-price { font-size: 30px; font-weight: 700; color: var(--dlms-primary); margin-bottom: 16px; }
.dlms-sidebar-note { font-size: 13px; color: #666; text-align: center; }
.dlms-success-note { background: #e8f8ef; color: var(--dlms-success); padding: 10px; border-radius: 6px; }
.dlms-sidebar-features { list-style: none; padding: 0; margin-top: 20px; }
.dlms-sidebar-features li { padding: 8px 0; border-bottom: 1px solid var(--dlms-border); font-size: 14px; }

/* ---------- Curriculum / Locked Content ---------- */
.dlms-curriculum-list { margin-top: 20px; }
.dlms-lesson {
    border: 1px solid var(--dlms-border);
    border-radius: 8px;
    margin-bottom: 16px;
    overflow: hidden;
}
.dlms-lesson-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: #fafcfc;
    font-weight: 600;
    color: var(--dlms-dark);
}
.dlms-lock-badge {
    margin-left: auto;
    background: #fdecec;
    color: var(--dlms-danger);
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 20px;
}
.dlms-lesson-body { padding: 20px; }
.dlms-media-image { max-width: 100%; border-radius: 8px; }
.dlms-file-download {
    display: inline-block;
    background: var(--dlms-primary);
    color: #fff !important;
    padding: 10px 18px;
    border-radius: 6px;
    text-decoration: none;
}

.dlms-locked-overlay {
    text-align: center;
    padding: 40px 20px;
    background: repeating-linear-gradient(45deg, #f8f8f8, #f8f8f8 10px, #f1f1f1 10px, #f1f1f1 20px);
    border-radius: 8px;
}
.dlms-locked-icon { font-size: 40px; margin-bottom: 10px; }

/* ---------- Membership Plans ---------- */
.dlms-plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 20px;
}
.dlms-plan-card {
    border: 1px solid var(--dlms-border);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    background: #fff;
    transition: transform .2s;
}
.dlms-plan-card:hover { transform: translateY(-6px); box-shadow: 0 12px 30px rgba(0,0,0,.08); }
.dlms-plan-title { font-size: 22px; margin-bottom: 10px; color: var(--dlms-dark); }
.dlms-plan-price { font-size: 36px; font-weight: 700; color: var(--dlms-primary); margin-bottom: 15px; }
.dlms-plan-duration { font-size: 14px; color: #888; font-weight: 400; }
.dlms-plan-features { list-style: none; padding: 0; margin: 20px 0; text-align: left; }
.dlms-plan-features li { padding: 6px 0; font-size: 14px; }

/* ---------- Modal ---------- */
.dlms-modal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,.6); z-index: 9999;
    display: flex; align-items: center; justify-content: center;
}
.dlms-modal-content {
    background: #fff; padding: 30px; border-radius: 10px; max-width: 420px; width: 90%; position: relative;
}
.dlms-modal-close { position: absolute; top: 10px; right: 16px; cursor: pointer; font-size: 22px; }

/* ---------- My Account ---------- */
.dlms-my-account { max-width: 900px; margin: 40px auto; padding: 0 20px; }
.dlms-status-box { padding: 20px; border-radius: 8px; margin-bottom: 30px; display: flex; align-items: center; gap: 20px; }
.dlms-status-active { background: #e8f8ef; color: var(--dlms-success); }
.dlms-status-inactive { background: #fdecec; color: var(--dlms-danger); }
.dlms-transactions-table { width: 100%; border-collapse: collapse; }
.dlms-transactions-table th, .dlms-transactions-table td { padding: 10px; border-bottom: 1px solid var(--dlms-border); text-align: left; }
.dlms-badge { padding: 3px 10px; border-radius: 20px; font-size: 12px; }
.dlms-badge-completed, .dlms-badge-active { background: #e8f8ef; color: var(--dlms-success); }
.dlms-badge-pending { background: #fff8e1; color: #b58900; }
.dlms-badge-rejected { background: #fdecec; color: var(--dlms-danger); }

@media (max-width: 768px) {
    .dlms-course-hero { flex-direction: column; }
    .dlms-course-body { flex-direction: column; }
}