/* FullStack LMS - Public Styles */
:root {
    --fslms-primary:   #2563eb;
    --fslms-success:   #16a34a;
    --fslms-danger:    #dc2626;
    --fslms-bg:        #f8fafc;
    --fslms-border:    #e2e8f0;
    --fslms-text:      #1e293b;
    --fslms-muted:     #64748b;
    --fslms-radius:    8px;
}

/* ---- Buttons ---- */
.fslms-btn {
    display: inline-block;
    padding: 10px 22px;
    background: var(--fslms-primary);
    color: #fff !important;
    border: none;
    border-radius: var(--fslms-radius);
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: background .2s;
}
.fslms-btn:hover { background: #1d4ed8; }
.fslms-btn--enrolled { background: var(--fslms-success); }
.fslms-btn--enrolled:hover { background: #15803d; }
.fslms-btn:disabled { opacity: .6; cursor: not-allowed; }

/* ---- Course Grid ---- */
.fslms-course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin: 24px 0;
}
.fslms-course-card {
    border: 1px solid var(--fslms-border);
    border-radius: var(--fslms-radius);
    overflow: hidden;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
    transition: box-shadow .2s;
}
.fslms-course-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,.12); }
.fslms-course-card__thumb img { width: 100%; height: 180px; object-fit: cover; display: block; }
.fslms-course-card__body { padding: 16px; }
.fslms-course-card__title { margin: 0 0 8px; font-size: 17px; font-weight: 700; }
.fslms-course-card__title a { color: var(--fslms-text); text-decoration: none; }
.fslms-course-card__meta { font-size: 13px; color: var(--fslms-muted); margin-bottom: 12px; }
.fslms-course-card__footer { display: flex; justify-content: space-between; align-items: center; }
.fslms-price { font-weight: 700; font-size: 16px; color: var(--fslms-primary); }
.fslms-price--free { color: var(--fslms-success); }

/* ---- Single Course ---- */
.fslms-single-course { max-width: 900px; }
.fslms-course-hero { background: var(--fslms-bg); border: 1px solid var(--fslms-border); border-radius: var(--fslms-radius); padding: 24px; margin-bottom: 32px; display: flex; gap: 24px; flex-wrap: wrap; }
.fslms-course-hero__info { flex: 1; min-width: 200px; }
.fslms-course-stats { display: flex; gap: 20px; flex-wrap: wrap; margin: 16px 0; }
.fslms-stat { font-size: 14px; color: var(--fslms-muted); }
.fslms-stat strong { color: var(--fslms-text); }

/* ---- Curriculum ---- */
.fslms-curriculum { border: 1px solid var(--fslms-border); border-radius: var(--fslms-radius); overflow: hidden; margin-bottom: 32px; }
.fslms-curriculum__item { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--fslms-border); background: #fff; }
.fslms-curriculum__item:last-child { border-bottom: none; }
.fslms-curriculum__item.is-completed { background: #f0fdf4; }
.fslms-curriculum__icon { font-size: 18px; width: 28px; text-align: center; }
.fslms-curriculum__title { flex: 1; font-size: 15px; }
.fslms-curriculum__title a { color: var(--fslms-text); text-decoration: none; }
.fslms-curriculum__duration { font-size: 13px; color: var(--fslms-muted); }

/* ---- Progress Bar ---- */
.fslms-progress-wrap { margin: 16px 0; }
.fslms-progress-bar { height: 8px; background: var(--fslms-border); border-radius: 4px; overflow: hidden; }
.fslms-progress-bar__fill { height: 100%; background: var(--fslms-primary); border-radius: 4px; transition: width .4s ease; }
.fslms-progress-label { font-size: 13px; color: var(--fslms-muted); margin-top: 4px; }

/* ---- Lesson ---- */
.fslms-lesson-layout { display: grid; grid-template-columns: 1fr 280px; gap: 32px; max-width: 1100px; }
@media (max-width: 768px) { .fslms-lesson-layout { grid-template-columns: 1fr; } }
.fslms-lesson__video { margin-bottom: 20px; }
.fslms-lesson__video iframe, .fslms-lesson__video video { width: 100%; max-height: 450px; border-radius: var(--fslms-radius); }
.fslms-lesson__nav { display: flex; justify-content: space-between; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--fslms-border); }

/* ---- Quiz ---- */
.fslms-quiz-form { max-width: 700px; }
.fslms-question { background: #fff; border: 1px solid var(--fslms-border); border-radius: var(--fslms-radius); padding: 20px; margin-bottom: 20px; }
.fslms-question__text { font-weight: 600; margin-bottom: 14px; }
.fslms-question__options label { display: flex; align-items: center; gap: 10px; padding: 8px 0; cursor: pointer; font-size: 15px; }
.fslms-quiz-timer { font-size: 18px; font-weight: 700; color: var(--fslms-primary); text-align: right; }
.fslms-quiz-result { border-radius: var(--fslms-radius); padding: 24px; text-align: center; margin: 20px 0; }
.fslms-quiz-result--pass { background: #f0fdf4; border: 2px solid #86efac; }
.fslms-quiz-result--fail { background: #fef2f2; border: 2px solid #fca5a5; }
.fslms-quiz-result__score { font-size: 48px; font-weight: 800; }

/* ---- Dashboard ---- */
.fslms-dashboard { max-width: 900px; }
.fslms-dashboard__tabs { display: flex; gap: 4px; margin-bottom: 24px; border-bottom: 2px solid var(--fslms-border); }
.fslms-tab-btn { padding: 10px 20px; border: none; background: none; cursor: pointer; font-size: 15px; color: var(--fslms-muted); border-bottom: 3px solid transparent; margin-bottom: -2px; font-weight: 600; }
.fslms-tab-btn.active { color: var(--fslms-primary); border-bottom-color: var(--fslms-primary); }
.fslms-tab-content { display: none; }
.fslms-tab-content.active { display: block; }
.fslms-enrolled-course { display: flex; gap: 16px; align-items: center; border: 1px solid var(--fslms-border); border-radius: var(--fslms-radius); padding: 16px; margin-bottom: 12px; background: #fff; }
.fslms-enrolled-course__thumb img { width: 80px; height: 60px; object-fit: cover; border-radius: 4px; }
.fslms-enrolled-course__info { flex: 1; }
.fslms-enrolled-course__title { font-weight: 700; margin-bottom: 6px; }

/* ---- Certificate ---- */
.fslms-certificate-card { border: 4px double #c9a84c; border-radius: 12px; padding: 40px; text-align: center; max-width: 700px; margin: 0 auto; background: linear-gradient(135deg, #fffdf0, #fff); }
.fslms-certificate-card h2 { font-size: 28px; color: #92400e; }
.fslms-certificate-card .cert-name { font-size: 36px; font-weight: 800; margin: 10px 0; }
.fslms-certificate-card .cert-course { font-size: 20px; color: var(--fslms-primary); font-weight: 700; }
.fslms-verify-badge { display: inline-flex; align-items: center; gap: 8px; background: #f0fdf4; border: 1px solid #86efac; border-radius: 6px; padding: 8px 16px; margin-top: 16px; font-weight: 600; color: var(--fslms-success); }
.fslms-invalid-badge { display: inline-flex; align-items: center; gap: 8px; background: #fef2f2; border: 1px solid #fca5a5; border-radius: 6px; padding: 8px 16px; margin-top: 16px; font-weight: 600; color: var(--fslms-danger); }

/* ---- Notices ---- */
.fslms-notice { padding: 12px 16px; border-radius: var(--fslms-radius); margin: 12px 0; font-size: 14px; }
.fslms-notice--success { background: #f0fdf4; color: #166534; border: 1px solid #86efac; }
.fslms-notice--error   { background: #fef2f2; color: #991b1b; border: 1px solid #fca5a5; }