/* ===== App pages shared ===== */
.site-app .nav { position: sticky; }
.inline-form { display: inline; }
.sticky-cta {
    position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%);
    z-index: 60; display: none;
    background: var(--orange); color: #fff;
    padding: 14px 28px; border-radius: 999px;
    font-family: var(--font-display); font-weight: 600; font-size: 0.95rem;
    text-decoration: none; box-shadow: 0 16px 40px rgba(255,107,53,0.5);
}
@media (max-width: 720px) {
    .sticky-cta { display: block; }
}

/* ===== Page shell ===== */
.page { padding: 72px 0 96px; background: linear-gradient(180deg, var(--paper), var(--bg)); min-height: 70vh; }
.page.narrow-zone { max-width: 760px; }
.container.narrow { max-width: 760px; }
.page-head { max-width: 720px; margin: 0 auto 44px; text-align: center; }
.page-head h1 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); color: var(--navy); margin: 14px 0 10px; line-height: 1.15; }
.page-head p { color: var(--muted); font-size: 1.03rem; }
.page-head a { color: var(--orange); text-decoration: none; }
.page-head a:hover { text-decoration: underline; }

.eyebrow {
    display: inline-block; color: var(--orange); font-weight: 700;
    text-transform: uppercase; letter-spacing: 2px; font-size: 0.78rem;
    background: rgba(255,107,53,0.10); padding: 7px 16px; border-radius: 999px;
}
.notice { background: #fff; padding: 18px 22px; border-radius: 16px; border: 1px solid var(--line); box-shadow: var(--shadow-sm); margin-bottom: 22px; }
.notice p { color: var(--muted); }
.notice-error { border-color: #F5C2C7; background: #FFF2F3; }
.notice-updated { border-color: var(--amber); background: var(--pastel-yellow); }
.muted { color: var(--muted); }
.btn-sm { padding: 9px 18px; font-size: 0.85rem; }
.btn-block { width: 100%; text-align: center; }
.btn-white { background: #fff; color: var(--navy); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.btn-white:hover { box-shadow: var(--shadow); }
.fine-print { color: var(--muted); font-size: 0.83rem; text-align: center; margin-top: 30px; }
.fine-print a { color: var(--orange); }

/* ===== Landing: level selector ===== */
.level-section { background: var(--bg); padding: 60px 0; }
.level-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.level-chip {
    display: flex; align-items: center; gap: 14px;
    background: #fff; border: 1.5px solid var(--line); border-radius: 999px;
    padding: 14px 20px; text-decoration: none; color: var(--navy);
    box-shadow: var(--shadow-sm); transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
}
.level-chip:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--orange); }
.level-code {
    width: 42px; height: 42px; border-radius: 50%; flex: none;
    display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: #fff;
    background: linear-gradient(135deg, var(--orange), var(--amber));
}
.level-name { font-family: var(--font-display); font-weight: 600; font-size: 1rem; flex: 1; }
.level-go { color: var(--orange); font-weight: 700; }

/* ===== Quiz setup ===== */
.quiz-setup-form { max-width: 880px; margin: 0 auto; }
.setup-label { font-size: 1.15rem; color: var(--navy); margin: 40px 0 16px; }
.mode-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.mode-card { position: relative; padding: 22px; cursor: pointer; display: flex; flex-direction: column; gap: 6px; }
.mode-card input { position: absolute; opacity: 0; }
.mode-card:has(input:checked) { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(255,107,53,0.15), var(--shadow-sm); }
.mode-icon { font-size: 1.7rem; }
.mode-name { font-family: var(--font-display); font-weight: 700; color: var(--navy); }
.mode-desc { font-size: 0.87rem; color: var(--muted); }
.select-wrap select, .text-input {
    width: 100%; padding: 15px 20px; border-radius: 16px;
    border: 1.5px solid var(--line); font-family: var(--font-body); font-size: 0.98rem;
    background: #fff; color: var(--ink);
}
.select-wrap select:focus, .text-input:focus { outline: none; border-color: var(--orange); }
.setup-actions { margin-top: 34px; display: flex; gap: 14px; }

/* ===== Quiz take ===== */
.quiz-page { padding: 40px 0 90px; background: var(--paper); min-height: 80vh; }
.quiz-topbar { display: flex; align-items: center; gap: 18px; margin-bottom: 26px; }
.quiz-progress { flex: 1; }
.quiz-count { font-size: 0.9rem; font-weight: 600; color: var(--muted); display: block; margin-bottom: 8px; }
.quiz-bar { height: 8px; background: #E8ECF4; border-radius: 999px; overflow: hidden; }
.quiz-bar-fill { height: 100%; background: linear-gradient(90deg, var(--orange), var(--amber)); border-radius: 999px; }
.quiz-mode { background: var(--navy); color: #fff; padding: 8px 16px; border-radius: 999px; font-size: 0.82rem; font-weight: 600; }
.quiz-timer { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: var(--orange); }
.question-card { padding: 36px; max-width: 780px; margin: 0 auto; }
.question-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.meta-chip { background: var(--pastel-blue); color: var(--navy); padding: 5px 12px; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
.question-text { font-size: 1.15rem; font-weight: 600; color: var(--navy); margin-bottom: 26px; line-height: 1.5; }
.question-image { margin: 0 0 22px; }
.question-image img { max-width: 100%; border-radius: 12px; border: 1px solid var(--line); background: #fff; padding: 8px; display: block; }
.options { display: flex; flex-direction: column; gap: 12px; }
.option {
    display: flex; align-items: center; gap: 14px;
    border: 1.5px solid var(--line); border-radius: 18px; padding: 16px 18px;
    cursor: pointer; transition: border-color 0.15s, background 0.15s;
}
.option:hover { border-color: var(--orange); background: var(--pastel-peach); }
.option:has(input:checked) { border-color: var(--orange); background: var(--pastel-peach); }
.option input { display: none; }
.option-letter {
    width: 34px; height: 34px; border-radius: 50%; flex: none;
    display: grid; place-items: center; font-family: var(--font-display); font-weight: 700;
    background: var(--pastel-blue); color: var(--navy);
}
.option:has(input:checked) .option-letter { background: var(--orange); color: #fff; }
.option-correct { border-color: #2FA36B; background: var(--pastel-mint); }
.option-correct .option-letter { background: #2FA36B; color: #fff; }
.option-wrong { border-color: #E4572E; background: #FFF0EC; }
.option-wrong .option-letter { background: #E4572E; color: #fff; }
.option-tag { margin-left: auto; font-size: 0.78rem; font-weight: 600; color: #2FA36B; }
.feedback { max-width: 780px; margin: 18px auto 0; padding: 18px 22px; border-radius: 16px; font-size: 0.95rem; }
.feedback-good { background: var(--pastel-mint); border: 1px solid #CFEEDB; color: #1E7A4C; }
.feedback-bad { background: var(--pastel-yellow); border: 1px solid #F3DFA0; color: #7A5A00; }
.feedback .explanation { margin-top: 10px; color: #3A4560; line-height: 1.6; }
.setup-hint { font-weight: 400; font-size: 0.85rem; }
.quiz-nav .btn { flex: none; }
.quiz-nav .btn-block { flex: 1; }
.quiz-nav { max-width: 780px; margin: 24px auto 0; display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.quiz-hint { color: var(--muted); font-size: 0.88rem; }

/* ===== Quiz result ===== */
.report-head { text-align: center; margin-bottom: 36px; }
.report-head h1 { font-size: 2.2rem; color: var(--navy); margin: 12px 0 6px; }
.report-sub { color: var(--muted); }
.score-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; max-width: 640px; margin: 0 auto 30px; }
.score-card { text-align: center; padding: 30px; }
.score-ring {
    --pct: 0;
    width: 150px; height: 150px; margin: 0 auto 12px;
    border-radius: 50%;
    background: conic-gradient(var(--orange) calc(var(--pct) * 1%), #EDF0F6 0);
    display: grid; place-items: center;
}
.score-ring::before { content: ""; position: absolute; width: 124px; height: 124px; border-radius: 50%; background: #fff; }
.score-ring { position: relative; }
.score-inner { position: relative; z-index: 1; }
.score-big { font-family: var(--font-display); font-size: 1.9rem; font-weight: 700; color: var(--navy); display: block; }
.score-small { color: var(--muted); font-size: 0.85rem; }
.score-label { color: var(--muted); font-size: 0.9rem; }
.report-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.report-card { padding: 28px; }
.report-card h2 { font-size: 1.15rem; color: var(--navy); margin-bottom: 20px; }
.error-bars { display: flex; flex-direction: column; gap: 16px; margin-bottom: 18px; }
.error-row { display: flex; align-items: center; gap: 12px; font-size: 0.9rem; }
.error-row .bar { flex: 1; }
.error-row b { min-width: 28px; text-align: right; color: var(--navy); }
.bar-fill.gold { background: linear-gradient(90deg, var(--amber), #FF9F1C); }
.report-note { color: var(--muted); font-size: 0.88rem; }
.topic-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.topic-table th, .topic-table td { text-align: left; padding: 10px 6px; border-bottom: 1px solid var(--line); }
.topic-table th { color: var(--muted); font-weight: 600; }
.report-actions { display: flex; gap: 14px; justify-content: center; margin-top: 36px; flex-wrap: wrap; }

/* ===== Study library ===== */
.subjects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.subject-card { padding: 26px; display: flex; flex-direction: column; gap: 8px; }
.subject-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.subject-code {
    width: 44px; height: 44px; border-radius: 14px;
    display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; color: #fff;
    background: linear-gradient(135deg, var(--navy), #3A4E79);
}
.subject-card h2 { font-size: 1.2rem; color: var(--navy); }
.subject-card p { color: var(--muted); font-size: 0.92rem; }
.subject-actions { margin-top: 8px; }
.topic-list { margin-top: 10px; }
.topic-list summary { cursor: pointer; font-size: 0.9rem; font-weight: 600; color: var(--orange); }
.topic-list ul { list-style: none; margin-top: 10px; display: flex; flex-direction: column; gap: 8px; }
.topic-list li a { color: var(--navy); text-decoration: none; font-size: 0.92rem; }
.topic-list li a:hover { color: var(--orange); }

/* ===== Course-style library ===== */
.course-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.course-card { padding: 26px; display: flex; flex-direction: column; gap: 10px; text-decoration: none; transition: transform 0.15s, box-shadow 0.15s; }
.course-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.course-top { display: flex; justify-content: space-between; align-items: center; }
.course-code {
    width: 46px; height: 46px; border-radius: 14px;
    display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; color: #fff;
    background: linear-gradient(135deg, var(--orange), var(--amber));
}
.course-card h2 { font-size: 1.2rem; color: var(--navy); }
.course-bar { height: 8px; }
.course-meta { color: var(--muted); font-size: 0.88rem; }
.course-actions { margin-top: 6px; display: flex; gap: 10px; flex-wrap: wrap; }
.course-resume { font-weight: 700; color: var(--orange); font-size: 0.9rem; margin-top: auto; }
.course-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.course-add { align-items: center; justify-content: center; text-align: center; border: 1.5px dashed var(--line); color: var(--muted); font-weight: 600; }
.course-add-plus { font-size: 1.8rem; color: var(--orange); line-height: 1; }
.course-add:hover { border-color: var(--orange); }

.course-hero {
    display: grid; grid-template-columns: 1fr auto auto; gap: 26px; align-items: center;
    padding: 30px; margin-bottom: 26px;
    background: linear-gradient(135deg, var(--navy), #2E4170); color: #fff; border-radius: 20px;
}
.course-hero h2 { color: #fff; font-size: 1.35rem; margin-bottom: 6px; }
.course-hero p { color: #C6CFE3; margin: 0; line-height: 1.5; }
.course-hero-progress { min-width: 180px; }
.course-hero-progress .bar { background: #2A3550; }
.course-pct { font-family: var(--font-display); font-weight: 700; color: var(--amber); font-size: 1.3rem; margin-top: 8px; display: block; }
.course-hero-actions { display: flex; flex-direction: column; gap: 10px; align-items: stretch; }

.module-list { display: flex; flex-direction: column; gap: 20px; }
.module-card { padding: 26px; }
.module-head { display: flex; justify-content: space-between; align-items: center; gap: 26px; margin-bottom: 6px; flex-wrap: wrap; }
.module-title { display: flex; gap: 16px; align-items: center; }
.module-title h2 { font-size: 1.15rem; color: var(--navy); }
.module-title p { margin: 2px 0 0; }
.module-progress { min-width: 180px; }
.module-meta { display: block; text-align: right; font-size: 0.85rem; color: var(--muted); margin-top: 6px; }
.module-actions { margin-top: 12px; }
.module-done { font-weight: 700; color: #1B7F4D; }

.lesson-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 30px; }
.lesson-nav a { text-decoration: none; padding: 20px 24px; display: flex; flex-direction: column; gap: 6px; transition: transform 0.15s, box-shadow 0.15s; }
.lesson-nav a:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.lesson-nav b { color: var(--navy); font-size: 0.98rem; line-height: 1.4; }
.lesson-nav-next { text-align: right; }
.lesson-nav .muted { font-size: 0.82rem; }

@media (max-width: 960px) {
    .course-grid, .course-strip { grid-template-columns: repeat(2, 1fr); }
    .course-hero { grid-template-columns: 1fr; }
}
.topic-card { padding: 30px; margin-bottom: 22px; }
.topic-card h2 { font-size: 1.2rem; color: var(--navy); margin-bottom: 12px; }
.topic-notes { color: #3A4560; line-height: 1.7; }

/* ===== Lesson content ===== */
.lesson-toc { padding: 24px 30px; margin-bottom: 22px; }
.lesson-toc h2 { font-size: 1.1rem; color: var(--navy); margin-bottom: 12px; }
.lesson-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.lesson-list a { color: var(--orange); text-decoration: none; font-weight: 600; }
.lesson-list a:hover { text-decoration: underline; }
.lesson-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 12px 14px; border-radius: 12px; color: var(--navy); font-weight: 600; }
.lesson-row:hover { background: var(--pastel-blue); text-decoration: none !important; }
.lesson-state { font-weight: 600; font-size: 0.85rem; white-space: nowrap; }
.lesson-done-chip { color: #1B7F4D; }
.lesson-next-chip { background: var(--orange); color: #fff; padding: 4px 12px; border-radius: 999px; font-size: 0.78rem; }
.lesson-continue { margin-top: 18px; text-align: center; }
.lesson-study { margin-top: 26px; border-top: 1px solid var(--line); padding-top: 22px; }
.lesson-content .lesson-body { color: #2A3550; }
.lesson-content form { margin: 24px 0 4px; }
.lesson-done { color: #1B7F4D; font-weight: 600; margin-top: 18px; }
.lesson-body h2, .lesson-body h3, .lesson-body h4 { color: var(--navy); margin: 26px 0 10px; }
.lesson-body h2:first-child { margin-top: 6px; }
.lesson-body p { line-height: 1.75; margin: 12px 0; }
.lesson-body ul, .lesson-body ol { margin: 12px 0 12px 22px; line-height: 1.75; }
.lesson-body li { margin: 6px 0; }
.lesson-body strong { color: var(--navy); }
.lesson-body blockquote {
    margin: 18px 0; padding: 16px 22px; background: var(--pastel-peach);
    border-left: 4px solid var(--orange); border-radius: 0 14px 14px 0;
    color: var(--navy); font-weight: 600;
}
.lesson-body table {
    width: 100%; border-collapse: collapse; margin: 18px 0;
    font-size: 0.92rem; background: #fff; border: 1px solid var(--line);
    border-radius: 14px; overflow: hidden;
}
.lesson-body th, .lesson-body td {
    text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line);
}
.lesson-body th { background: var(--navy); color: #fff; font-weight: 600; }
.lesson-body tr:last-child td { border-bottom: none; }
.lesson-body img { max-width: 100%; border-radius: 16px; margin: 16px 0; }
.lesson-video {
    position: relative; padding-top: 56.25%; margin: 18px 0;
    border-radius: 16px; overflow: hidden; background: var(--navy);
}
.lesson-video iframe {
    position: absolute; inset: 0; width: 100%; height: 100%; border: 0;
}
.lesson-body code { background: var(--pastel-blue); padding: 2px 7px; border-radius: 7px; font-size: 0.88em; }
.lesson-body pre { background: var(--navy); color: #fff; padding: 18px 22px; border-radius: 14px; overflow-x: auto; margin: 16px 0; }
.lesson-body pre code { background: none; color: inherit; padding: 0; }

/* ===== Exemption ===== */
.wizard-form { padding: 30px; margin-top: 26px; }
.wizard-form h2 { font-size: 1.15rem; color: var(--navy); margin-bottom: 16px; }
.result-card { padding: 30px; margin-bottom: 26px; }
.result-card h2 { font-size: 1.3rem; color: var(--navy); margin-bottom: 8px; }
.result-head { font-size: 1.02rem; color: var(--navy); margin: 18px 0 10px; }
.result-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.result-list li { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 12px 16px; font-size: 0.95rem; color: var(--navy); }
.result-exempt li { background: var(--pastel-mint); border-color: #CFEEDB; }

/* ===== Dashboard ===== */
.dash-head { margin-bottom: 30px; }
.dash-top { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-bottom: 36px; }
.dash-card { padding: 30px; }
.dash-card h2 { font-size: 1.1rem; color: var(--navy); margin-bottom: 18px; }

.flash-strip {
    display: flex; align-items: center; gap: 26px; padding: 24px 30px;
    background: linear-gradient(135deg, var(--navy), #2E4170);
    color: #fff; text-decoration: none; margin-bottom: 22px;
    border-radius: 20px; transition: transform 0.15s, box-shadow 0.15s;
}
.flash-strip:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.flash-deck { position: relative; width: 74px; height: 92px; flex-shrink: 0; }
.deck-card {
    position: absolute; inset: 0; border-radius: 12px;
    background: var(--pastel-mint); border: 1.5px solid #CFEEDB;
}
.deck-card:nth-child(1) { transform: translate(10px, 8px); background: var(--orange); border-color: #E85D2B; }
.deck-card:nth-child(2) { transform: translate(5px, 4px); background: #fff; }
.deck-card:nth-child(3) { background: var(--pastel-blue); border-color: #C9D6F2; }
.flash-strip-body { flex: 1; min-width: 0; }
.flash-strip-body .eyebrow { color: var(--amber); }
.flash-strip-body h2 { font-size: 1.35rem; margin: 4px 0 6px; color: #fff; }
.flash-strip-body p { color: #C6CFE3; margin: 0; line-height: 1.5; }
.flash-strip .btn { flex-shrink: 0; }
.score-ring.big { width: 180px; height: 180px; }
.score-ring.big::before { width: 150px; height: 150px; }
.dash-section { margin-bottom: 40px; }
.dash-bar { margin: 10px 0 6px; }
.subject-score { font-weight: 600; color: var(--orange); }
.weak-list { display: flex; flex-direction: column; gap: 12px; }
.weak-item { display: flex; justify-content: space-between; align-items: center; padding: 16px 22px; }
.weak-name { font-weight: 600; color: var(--navy); }
.weak-score { font-family: var(--font-display); font-weight: 700; color: var(--orange); }
.attempt-table-wrap { padding: 10px 20px; overflow-x: auto; }
.attempt-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.attempt-table th, .attempt-table td { text-align: left; padding: 13px 8px; border-bottom: 1px solid var(--line); }
.attempt-table th { color: var(--muted); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.5px; }
.attempt-table a { color: var(--orange); text-decoration: none; font-weight: 600; }
.view-all { font-size: 0.85rem; font-weight: 600; color: var(--orange); text-decoration: none; margin-left: 8px; }
.view-all:hover { text-decoration: underline; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 24px; }
.page-link { padding: 10px 20px; border-radius: 999px; border: 1.5px solid var(--line); background: #fff; color: var(--navy); text-decoration: none; font-weight: 600; font-size: 0.9rem; transition: border-color 0.15s, box-shadow 0.15s; }
.page-link:hover { border-color: var(--orange); box-shadow: var(--shadow-sm); }
.page-link.is-disabled { opacity: 0.45; pointer-events: none; }
.page-count { color: var(--muted); font-size: 0.88rem; }

/* ===== Pricing ===== */
.tier-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.tier-card { padding: 30px; display: flex; flex-direction: column; gap: 8px; }
.tier-featured { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(255,107,53,0.15), var(--shadow); transform: scale(1.03); }
.tier-name { font-family: var(--font-display); font-weight: 700; color: var(--navy); }
.tier-price { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--navy); }
.tier-per { color: var(--muted); font-size: 0.85rem; }
.tier-features { list-style: none; margin: 12px 0 18px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.tier-features li { font-size: 0.9rem; color: #3A4560; }

/* ===== Cohorts ===== */

/* ===== Auth ===== */
.auth-page { background: var(--paper); display: flex; align-items: flex-start; }
.auth-card-wrap { max-width: 460px; }
.auth-card { padding: 36px; }
.auth-card h1 { font-size: 1.6rem; color: var(--navy); margin-bottom: 6px; }
.auth-form { display: flex; flex-direction: column; gap: 8px; margin-top: 22px; }
.auth-form label { font-weight: 600; font-size: 0.88rem; color: var(--navy); margin-top: 8px; }
.auth-form .select-wrap { margin-bottom: 6px; }
.auth-form .btn { margin-top: 18px; }
.auth-switch { text-align: center; margin-top: 20px; font-size: 0.9rem; color: var(--muted); }
.auth-switch a { color: var(--orange); text-decoration: none; font-weight: 600; }

/* ===== Flashcards ===== */
.flash-wrap { display: flex; flex-direction: column; align-items: stretch; gap: 14px; margin-top: 22px; }
.flash-reveal {
    padding: 16px; border-radius: 16px; border: 1.5px dashed var(--orange);
    background: var(--pastel-peach); color: var(--orange); font-weight: 700;
    font-size: 1rem; cursor: pointer; transition: transform 0.15s;
}
.flash-reveal:hover { transform: translateY(-2px); }
.flash-back {
    display: none; padding: 22px; border-radius: 16px;
    background: var(--pastel-mint); border: 1.5px solid #CFEEDB;
}
.flash-back p { color: var(--navy); font-size: 1.05rem; line-height: 1.6; }
.flash-back.show { display: block; }
.flash-actions, .flash-rate { display: none; flex-wrap: wrap; gap: 12px; }
.flash-actions.show, .flash-rate.show { display: flex; }
.flash-rate .btn { flex: 1; min-width: 90px; }
.flash-front { padding: 10px 0 4px; }
.flash-done { text-align: center; padding: 56px 30px; }
.flash-done h1 { font-family: var(--font-display); font-size: clamp(1.8rem, 3.2vw, 2.4rem); color: var(--navy); margin-bottom: 14px; }
.flash-done p { color: var(--muted); max-width: 520px; margin: 0 auto 26px; line-height: 1.6; }
.flash-done-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== Profile ===== */
.avatar {
    width: 38px; height: 38px; border-radius: 50%; flex-shrink: 0;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--orange), var(--amber));
    color: #fff; font-family: var(--font-display); font-weight: 700; font-size: 1rem;
    text-decoration: none; box-shadow: var(--shadow-sm);
}
.avatar-lg { width: 64px; height: 64px; font-size: 1.6rem; }
.profile-head { display: flex; align-items: center; gap: 20px; }
.profile-head h1 { margin: 0 0 4px; }
.profile-form { margin-top: 6px; }
.profile-courses { list-style: none; display: flex; flex-direction: column; gap: 8px; margin: 10px 0; }
.profile-courses a { color: var(--navy); font-weight: 600; text-decoration: none; }
.profile-courses a:hover { color: var(--orange); }
.dash-card h2 + h2 { margin-top: 22px; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
    .mode-grid, .report-grid, .subjects-grid, .dash-top, .score-grid { grid-template-columns: 1fr 1fr; }
    .tier-grid { grid-template-columns: repeat(2, 1fr); }
    .tier-featured { transform: none; }
    .course-grid, .course-strip { grid-template-columns: repeat(2, 1fr); }
    .course-hero { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
    .level-grid { grid-template-columns: 1fr; }
    .course-grid, .course-strip { grid-template-columns: 1fr; }
    .lesson-nav { grid-template-columns: 1fr; }
    .module-head { flex-direction: column; align-items: flex-start; }
    .flash-strip { flex-wrap: wrap; }
    .flash-strip .btn { width: 100%; text-align: center; }
    .mode-grid, .report-grid, .subjects-grid, .dash-top, .score-grid { grid-template-columns: 1fr; }
    .tier-grid { grid-template-columns: 1fr; }
    .level-chip { padding: 12px 16px; }
    .level-name { font-size: 0.92rem; }
    .quiz-nav { flex-direction: column; align-items: stretch; }
    .quiz-nav .btn { text-align: center; }
    .page { padding: 48px 0 110px; }
}