/* =============================================
   Course Builder Pro — Frontend Styles
   ============================================= */

:root {
    --cbp-primary:    #4f46e5;
    --cbp-primary-dk: #3730a3;
    --cbp-success:    #10b981;
    --cbp-warning:    #f59e0b;
    --cbp-danger:     #ef4444;
    --cbp-gray-50:    #f9fafb;
    --cbp-gray-100:   #f3f4f6;
    --cbp-gray-200:   #e5e7eb;
    --cbp-gray-600:   #4b5563;
    --cbp-gray-800:   #1f2937;
    --cbp-radius:     10px;
    --cbp-shadow:     0 2px 8px rgba(0,0,0,.08);
}

/* ---- Buttons ---- */
.cbp-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px;
    border-radius: 8px;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    text-decoration: none;
    transition: all .15s;
    line-height: 1.4;
}
.cbp-btn-primary  { background: var(--cbp-primary); color: #fff; }
.cbp-btn-primary:hover { background: var(--cbp-primary-dk); color: #fff; }
.cbp-btn-outline  { background: transparent; border-color: var(--cbp-gray-200); color: var(--cbp-gray-800); }
.cbp-btn-outline:hover { border-color: var(--cbp-primary); color: var(--cbp-primary); }
.cbp-btn-success  { background: var(--cbp-success); color: #fff; }
.cbp-btn-success:hover { opacity: .9; }
.cbp-btn-sm { padding: 6px 14px; font-size: 0.82rem; }

/* ---- Course Page ---- */
.cbp-course-page { margin-top: 30px; }

.cbp-course-progress { margin-bottom: 24px; }
.cbp-progress-label { font-size: 0.88rem; font-weight: 600; color: var(--cbp-gray-600); margin-bottom: 6px; }
.cbp-progress-bar-wrap { background: var(--cbp-gray-200); border-radius: 20px; height: 10px; overflow: hidden; }
.cbp-progress-bar { height: 100%; background: linear-gradient(90deg, var(--cbp-primary), #818cf8); border-radius: 20px; transition: width .5s ease; }

/* Section headings */
.cbp-section-title { font-size: 1.1rem; font-weight: 700; color: var(--cbp-gray-800); margin: 24px 0 12px; }

/* ---- Accordion ---- */
.cbp-accordion { border: 1px solid var(--cbp-gray-200); border-radius: var(--cbp-radius); overflow: hidden; }
.cbp-accordion-item { border-bottom: 1px solid var(--cbp-gray-200); }
.cbp-accordion-item:last-child { border-bottom: none; }

.cbp-accordion-header {
    display: flex;
    align-items: center;
    padding: 14px 18px;
    background: var(--cbp-gray-50);
    cursor: pointer;
    gap: 12px;
    transition: background .15s;
}
.cbp-accordion-header:hover { background: var(--cbp-gray-100); }
.cbp-module-name { flex: 1; font-weight: 600; font-size: 0.95rem; color: var(--cbp-gray-800); }
.cbp-lesson-count { font-size: 0.8rem; color: var(--cbp-gray-600); white-space: nowrap; }
.cbp-accordion-icon { transition: transform .25s; font-size: 0.75rem; color: var(--cbp-gray-600); }
.cbp-accordion-item.open .cbp-accordion-icon { transform: rotate(180deg); }

.cbp-accordion-body { display: none; padding: 0; }
.cbp-accordion-item.open .cbp-accordion-body { display: block; }

.cbp-lesson-list { list-style: none; margin: 0; padding: 8px 0; }
.cbp-lesson-item { border-bottom: 1px solid var(--cbp-gray-100); }
.cbp-lesson-item:last-child { border-bottom: none; }
.cbp-lesson-item a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 20px;
    color: var(--cbp-gray-800);
    text-decoration: none;
    font-size: 0.9rem;
    transition: background .12s;
}
.cbp-lesson-item a:hover { background: var(--cbp-gray-50); }
.cbp-lesson-item.cbp-done a { color: var(--cbp-success); }
.cbp-lesson-item a.cbp-locked { color: var(--cbp-gray-600); cursor: default; }

.cbp-check { color: var(--cbp-success); }
.cbp-lock-icon { color: var(--cbp-gray-600); font-size: 0.85rem; }
.cbp-type-badge { background: var(--cbp-gray-100); color: var(--cbp-gray-600); font-size: 0.72rem; padding: 2px 8px; border-radius: 20px; margin-left: auto; }

/* ---- Checkout Box ---- */
.cbp-checkout-box {
    margin-top: 30px;
    background: linear-gradient(135deg, #f5f3ff, #ede9fe);
    border: 1px solid #ddd6fe;
    border-radius: var(--cbp-radius);
    padding: 30px;
    text-align: center;
}
.cbp-price-display { margin-bottom: 20px; }
.cbp-price { font-size: 2.5rem; font-weight: 800; color: var(--cbp-primary); }
.cbp-price-period { font-size: 1rem; color: var(--cbp-gray-600); }

.cbp-gateway-select h4 { font-weight: 700; color: var(--cbp-gray-800); margin-bottom: 14px; }
.cbp-gateways { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.cbp-gateway-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border: 2px solid var(--cbp-gray-200);
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all .15s;
    color: var(--cbp-gray-800);
}
.cbp-gateway-btn:hover { border-color: var(--cbp-primary); color: var(--cbp-primary); }
.cbp-gateway-btn img { height: 22px; object-fit: contain; }

/* Manual payment modal */
.cbp-bank-details {
    background: #fff;
    border: 1px solid var(--cbp-gray-200);
    border-radius: 8px;
    padding: 20px;
    margin-top: 16px;
    text-align: left;
}
.cbp-bank-details table { width: 100%; font-size: 0.9rem; }
.cbp-bank-details td { padding: 6px 10px; }
.cbp-bank-details td:first-child { font-weight: 600; color: var(--cbp-gray-600); width: 40%; }

/* ---- Lesson Page ---- */
.cbp-lesson-wrap { max-width: 860px; margin: 0 auto; }

.cbp-lesson-progress {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    background: var(--cbp-gray-50);
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--cbp-gray-200);
}
.cbp-lesson-progress .cbp-progress-bar-wrap { flex: 1; }

/* Video */
.cbp-video-wrap { margin-bottom: 28px; }
.cbp-embed-wrap { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; border-radius: 10px; }
.cbp-embed-wrap iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; }
.cbp-video-player { width: 100%; border-radius: 10px; background: #000; }

/* Lesson content */
.cbp-lesson-content { font-size: 1rem; line-height: 1.75; color: var(--cbp-gray-800); margin-bottom: 28px; }

/* Downloads */
.cbp-downloads { margin-bottom: 24px; }
.cbp-downloads h4 { font-weight: 700; margin-bottom: 10px; }

/* Lesson footer */
.cbp-lesson-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 20px 0;
    border-top: 1px solid var(--cbp-gray-200);
    margin-bottom: 30px;
}
.cbp-lesson-nav { display: flex; gap: 10px; flex-wrap: wrap; }
.cbp-complete-badge { color: var(--cbp-success); font-weight: 700; font-size: 0.95rem; }

/* ---- Discussions ---- */
.cbp-discussions { margin-top: 40px; padding-top: 30px; border-top: 2px solid var(--cbp-gray-200); }
.cbp-discussions-title { font-size: 1.2rem; font-weight: 700; color: var(--cbp-gray-800); margin-bottom: 20px; }

.cbp-discussion-form { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.cbp-discussion-input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--cbp-gray-200);
    border-radius: 8px;
    font-size: 0.9rem;
    resize: vertical;
    transition: border-color .15s;
    box-sizing: border-box;
    font-family: inherit;
}
.cbp-discussion-input:focus { outline: none; border-color: var(--cbp-primary); box-shadow: 0 0 0 3px rgba(79,70,229,.12); }

.cbp-thread {
    background: #fff;
    border: 1px solid var(--cbp-gray-200);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: var(--cbp-shadow);
}
.cbp-thread-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}
.cbp-thread-author { font-weight: 600; font-size: 0.88rem; color: var(--cbp-gray-800); }
.cbp-thread-author.cbp-instructor { color: var(--cbp-primary); }
.cbp-instructor-badge {
    display: inline-block;
    background: var(--cbp-primary);
    color: #fff;
    font-size: 0.68rem;
    padding: 1px 8px;
    border-radius: 20px;
    margin-left: 4px;
    font-weight: 600;
}
.cbp-thread-time { font-size: 0.78rem; color: var(--cbp-gray-600); }
.cbp-thread-content { font-size: 0.92rem; line-height: 1.65; color: var(--cbp-gray-800); margin-bottom: 10px; }

.cbp-replies { margin: 12px 0 0 28px; }
.cbp-reply {
    background: var(--cbp-gray-50);
    border-left: 3px solid var(--cbp-primary);
    padding: 10px 14px;
    border-radius: 0 6px 6px 0;
    margin-bottom: 8px;
}

.cbp-no-discussions { color: var(--cbp-gray-600); font-style: italic; }
.cbp-login-notice { color: var(--cbp-gray-600); }

.cbp-link-btn { background: none; border: none; color: var(--cbp-primary); cursor: pointer; font-size: 0.82rem; font-weight: 600; padding: 4px 0; }
.cbp-link-btn:hover { text-decoration: underline; }
.cbp-icon-btn { background: none; border: none; cursor: pointer; font-size: 1rem; padding: 0 4px; opacity: .5; }
.cbp-icon-btn:hover { opacity: 1; }

.cbp-reply-form { margin: 10px 0 8px; }
.cbp-reply-input { width: 100%; padding: 8px 10px; border: 1px solid var(--cbp-gray-200); border-radius: 6px; font-size: 0.85rem; font-family: inherit; box-sizing: border-box; }

/* Enroll free button */
.cbp-enroll-free { margin-top: 10px; }

/* Notifications */
.cbp-notice {
    padding: 12px 18px;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-bottom: 16px;
}
.cbp-notice-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.cbp-notice-error   { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.cbp-notice-info    { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }

/* Responsive */
@media (max-width: 640px) {
    .cbp-lesson-footer { flex-direction: column; align-items: flex-start; }
    .cbp-gateways { flex-direction: column; }
    .cbp-price { font-size: 2rem; }
}