/* ============================================================
   🎨 (Update 39) «آزمون‌های من» (/UserExams) — پیشوندِ ux-
   ============================================================ */

.ux {
  --ux-surface: #ffffff; --ux-bg: #f5f6fa; --ux-border: rgba(15,23,42,.09); --ux-border-2: rgba(15,23,42,.16);
  --ux-text: #111827; --ux-text-2: #4b5563; --ux-text-3: #9ca3af;
  --ux-accent: #4f46e5; --ux-accent-2: #7c3aed; --ux-accent-bg: #eef2ff; --ux-accent-ink: #4338ca;
  --ux-ok: #16a34a; --ux-ok-bg: #f0fdf4; --ux-warn: #d97706; --ux-warn-bg: #fffbeb; --ux-bad: #dc2626; --ux-bad-bg: #fef2f2;
  max-width: 1080px; margin: 0 auto; padding: 14px 14px 48px; color: var(--ux-text); font-family: 'Vazirmatn', system-ui, sans-serif;
}
[data-theme="dark"] .ux {
  --ux-surface: #1c1d22; --ux-bg: #15161a; --ux-border: rgba(255,255,255,.09); --ux-border-2: rgba(255,255,255,.16);
  --ux-text: #f1f1ef; --ux-text-2: #b3b3ad; --ux-text-3: #7d7d77; --ux-accent-bg: rgba(99,102,241,.16); --ux-accent-ink: #a5b4fc;
  --ux-ok-bg: rgba(22,163,74,.14); --ux-warn-bg: rgba(217,119,6,.14); --ux-bad-bg: rgba(220,38,38,.14);
}
.ux *, .ux *::before, .ux *::after { box-sizing: border-box; }
.ux-hint { font-size: 11.5px; color: var(--ux-text-3); line-height: 1.8; }
.ux-error { font-size: 12px; color: var(--ux-bad); display: flex; gap: 5px; align-items: center; margin-top: 6px; }
.ux-spin { animation: ux-spin 1s linear infinite; display: inline-block; }
@keyframes ux-spin { to { transform: rotate(360deg); } }

.ux-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 38px; padding: 0 16px; border-radius: 12px; border: 1px solid var(--ux-border-2);
  background: var(--ux-surface); color: var(--ux-text); font: inherit; font-size: 13px; font-weight: 700; cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: background .15s, box-shadow .15s, transform .1s; }
.ux-btn:hover:not(:disabled) { background: var(--ux-bg); color: var(--ux-text); text-decoration: none; }
.ux-btn:active:not(:disabled) { transform: scale(.98); }
.ux-btn:disabled { opacity: .5; cursor: not-allowed; }
.ux-btn:focus-visible { outline: 3px solid rgba(79,70,229,.35); outline-offset: 2px; }
.ux-btn.primary { border: none; color: #fff; background: linear-gradient(135deg, var(--ux-accent), var(--ux-accent-2)); box-shadow: 0 8px 18px -10px var(--ux-accent); }
.ux-btn.primary:hover:not(:disabled) { color: #fff; filter: brightness(1.06); background: linear-gradient(135deg, var(--ux-accent), var(--ux-accent-2)); }
.ux-btn.danger { border: none; color: #fff; background: var(--ux-bad); }
.ux-btn.sm { min-height: 32px; padding: 0 12px; font-size: 12px; border-radius: 10px; }

/* ── سربرگ و آمار ── */
.ux-hero { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 22px; border-radius: 20px; color: #fff; margin-bottom: 12px;
  background: radial-gradient(120% 140% at 100% 0%, rgba(255,255,255,.18), transparent 55%), linear-gradient(125deg, #0ea5e9, #4f46e5 55%, #7c3aed); box-shadow: 0 18px 40px -26px #4f46e5; }
.ux-hero h1 { font-size: 20px; font-weight: 900; margin: 0; display: flex; gap: 8px; align-items: center; }
.ux-hero p { margin: 4px 0 0; font-size: 12.5px; opacity: .9; }
.ux-hero-next { background: rgba(255,255,255,.95); color: #1e1b4b; border-radius: 14px; padding: 10px 14px; min-width: 200px; max-width: 320px; display: flex; flex-direction: column; gap: 2px; }
.ux-hero-next small { font-size: 10.5px; color: var(--ux-accent); font-weight: 800; }
.ux-hero-next b { font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ux-hero-next span { font-size: 11.5px; color: #4b5563; display: inline-flex; gap: 4px; align-items: center; }
.ux-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin-bottom: 12px; }
.ux-stat { background: var(--ux-surface); border: 1px solid var(--ux-border); border-radius: 14px; padding: 10px 12px; display: flex; flex-direction: column; gap: 1px; }
.ux-stat i { font-size: 18px; color: var(--ux-accent); }
.ux-stat b { font-size: 18px; font-weight: 900; }
.ux-stat span { font-size: 11px; color: var(--ux-text-3); }

/* ── زبانه‌ها و ابزار ── */
.ux-tabs { display: flex; gap: 4px; background: var(--ux-bg); border: 1px solid var(--ux-border); border-radius: 14px; padding: 4px; margin-bottom: 10px; overflow-x: auto; }
.ux-tabs button { flex: 1; border: none; background: transparent; border-radius: 11px; padding: 9px 10px; font: inherit; font-size: 12.5px; font-weight: 700; color: var(--ux-text-2);
  cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 6px; white-space: nowrap; }
.ux-tabs button.on { background: var(--ux-surface); color: var(--ux-accent-ink); box-shadow: 0 1px 4px rgba(0,0,0,.1); }
.ux-tabs button:focus-visible { outline: 2px solid var(--ux-accent); outline-offset: 1px; }
.ux-tabs em { font-style: normal; font-size: 10.5px; background: var(--ux-border); color: var(--ux-text-2); border-radius: 999px; padding: 0 7px; line-height: 18px; }
.ux-tabs button.on em { background: var(--ux-accent); color: #fff; }
.ux-toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
.ux-search { flex: 1 1 220px; display: flex; align-items: center; gap: 6px; background: var(--ux-surface); border: 1px solid var(--ux-border-2); border-radius: 12px; padding: 0 12px; min-height: 40px; }
.ux-search:focus-within { border-color: var(--ux-accent); box-shadow: 0 0 0 3px rgba(79,70,229,.12); }
.ux-search i { color: var(--ux-text-3); }
.ux-search input { flex: 1; border: none; outline: none; background: transparent; font: inherit; font-size: 13px; color: var(--ux-text); min-width: 0; }
.ux-chips { display: inline-flex; background: var(--ux-bg); border: 1px solid var(--ux-border); border-radius: 12px; padding: 3px; gap: 2px; }
.ux-chips button { border: none; background: transparent; font: inherit; font-size: 12px; font-weight: 700; color: var(--ux-text-2); padding: 6px 10px; border-radius: 9px; cursor: pointer; }
.ux-chips button.on { background: var(--ux-surface); color: var(--ux-accent-ink); box-shadow: 0 1px 3px rgba(0,0,0,.1); }

.ux-empty { text-align: center; padding: 40px 16px; color: var(--ux-text-2); display: flex; flex-direction: column; align-items: center; gap: 8px; background: var(--ux-surface); border: 1px dashed var(--ux-border-2); border-radius: 18px; }
.ux-empty i { font-size: 36px; color: var(--ux-text-3); }
.ux-note { display: flex; gap: 8px; align-items: center; font-size: 12.5px; background: var(--ux-accent-bg); color: var(--ux-accent-ink); border-radius: 12px; padding: 10px 12px; margin-bottom: 12px; }
.ux-skel { height: 150px; border-radius: 16px; background: linear-gradient(90deg, var(--ux-bg), var(--ux-surface), var(--ux-bg)); background-size: 200% 100%; animation: ux-sh 1.2s infinite; }
.ux-skel.hero { height: 96px; margin-bottom: 12px; }
.ux-skel-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
@keyframes ux-sh { to { background-position: -200% 0; } }

/* ── فهرستِ آزمون‌ها ── */
.ux-day, .ux-book { margin-bottom: 18px; }
.ux-day-title, .ux-book-title { display: flex; align-items: baseline; gap: 8px; font-size: 14px; font-weight: 900; margin: 0 2px 8px; }
.ux-day-title small, .ux-book-title small { font-size: 11.5px; color: var(--ux-text-3); font-weight: 600; }
.ux-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.ux-more { margin-top: 8px; border: none; background: transparent; color: var(--ux-accent-ink); font: inherit; font-size: 12.5px; font-weight: 800; cursor: pointer; display: inline-flex; gap: 4px; align-items: center; }

.ux-card { background: var(--ux-surface); border: 1px solid var(--ux-border); border-radius: 18px; padding: 12px; display: flex; flex-direction: column; gap: 10px;
  transition: border-color .15s, box-shadow .15s; position: relative; }
.ux-card:hover { border-color: var(--ux-border-2); box-shadow: 0 10px 24px -18px rgba(15,23,42,.5); }
.ux-card.live { border-color: rgba(22,163,74,.45); box-shadow: 0 0 0 3px rgba(22,163,74,.12); }
.ux-card.soon { border-color: rgba(217,119,6,.45); }
.ux-card.done { opacity: .9; }
.ux-card-top { display: flex; gap: 10px; align-items: flex-start; }
.ux-cover { width: 58px; height: 58px; border-radius: 14px; object-fit: cover; flex-shrink: 0; background: var(--ux-bg); }
.ux-cover.bkart { font-size: 9px; }
.ux-card-head { min-width: 0; flex: 1; display: flex; flex-direction: column; gap: 3px; }
.ux-badges { display: flex; gap: 4px; flex-wrap: wrap; }
.ux-badge { font-size: 10.5px; font-weight: 800; padding: 2px 8px; border-radius: 999px; background: var(--ux-bg); color: var(--ux-text-2); display: inline-flex; gap: 3px; align-items: center; }
.ux-badge.school { background: #fef3c7; color: #92400e; }
.ux-badge.platform { background: var(--ux-accent-bg); color: var(--ux-accent-ink); }
.ux-card-title { font-size: 14px; font-weight: 900; line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ux-card-books { font-size: 11.5px; color: var(--ux-text-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ux-meta { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 11.5px; color: var(--ux-text-2); }
.ux-meta span { display: inline-flex; gap: 4px; align-items: center; }
.ux-card-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; padding-top: 8px; border-top: 1px dashed var(--ux-border); }
.ux-pill { font-size: 11.5px; font-weight: 800; padding: 4px 10px; border-radius: 999px; background: var(--ux-bg); color: var(--ux-text-2); display: inline-flex; gap: 5px; align-items: center; }
.ux-pill.ok { background: var(--ux-ok-bg); color: var(--ux-ok); }
.ux-pill.live { background: var(--ux-ok-bg); color: var(--ux-ok); }
.ux-pill.soon, .ux-pill.warn { background: var(--ux-warn-bg); color: var(--ux-warn); }
.ux-pill.gold { background: #fef3c7; color: #92400e; }
.ux-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ux-ok); box-shadow: 0 0 0 0 rgba(22,163,74,.6); animation: ux-pulse 1.6s infinite; }
@keyframes ux-pulse { 70% { box-shadow: 0 0 0 8px rgba(22,163,74,0); } 100% { box-shadow: 0 0 0 0 rgba(22,163,74,0); } }
.ux-card.soon .ux-pill.soon { animation: ux-blink 1.4s ease-in-out infinite; }
@keyframes ux-blink { 50% { opacity: .55; } }

/* ── نتایج ── */
.ux-results { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 10px; }
.ux-result { display: flex; gap: 12px; align-items: center; background: var(--ux-surface); border: 1px solid var(--ux-border); border-radius: 18px; padding: 12px; }
.ux-result.pending { border-style: dashed; }
.ux-score { --s: 0; width: 64px; height: 64px; border-radius: 50%; flex-shrink: 0; display: grid; place-items: center;
  background: conic-gradient(var(--ux-accent) calc(var(--s) * 1%), var(--ux-bg) 0); }
.ux-score span { width: 50px; height: 50px; border-radius: 50%; background: var(--ux-surface); display: grid; place-items: center; font-weight: 900; font-size: 16px; }
.ux-result-body { min-width: 0; flex: 1; display: flex; flex-direction: column; gap: 4px; }
.ux-result-title { font-size: 13.5px; font-weight: 900; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ux-result-actions { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 4px; }

/* ── محیطِ آزمون ── */
.ux-exam { display: flex; flex-direction: column; gap: 10px; }
.ux-exam-bar { position: sticky; top: 0; z-index: 20; display: grid; grid-template-columns: 1fr auto auto; grid-template-areas: "title timer acts" "prog prog prog";
  gap: 8px 12px; align-items: center; background: color-mix(in srgb, var(--ux-surface) 94%, transparent); backdrop-filter: blur(8px);
  border: 1px solid var(--ux-border); border-radius: 16px; padding: 10px 12px; box-shadow: 0 10px 24px -20px rgba(0,0,0,.5); }
.ux-exam-title { grid-area: title; min-width: 0; display: flex; gap: 6px; align-items: center; }
.ux-exam-title b { font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ux-timer { grid-area: timer; font-variant-numeric: tabular-nums; font-size: 18px; font-weight: 900; padding: 4px 12px; border-radius: 12px; background: var(--ux-accent-bg); color: var(--ux-accent-ink); display: inline-flex; gap: 6px; align-items: center; direction: ltr; }
.ux-timer.warn { background: var(--ux-warn-bg); color: var(--ux-warn); }
.ux-timer.crit { background: var(--ux-bad-bg); color: var(--ux-bad); animation: ux-blink 1s infinite; }
.ux-exam-acts { grid-area: acts; display: flex; gap: 6px; }
.ux-progress { grid-area: prog; height: 6px; border-radius: 999px; background: var(--ux-bg); overflow: hidden; }
.ux-progress span { display: block; height: 100%; background: linear-gradient(90deg, var(--ux-accent), var(--ux-accent-2)); border-radius: inherit; transition: width .3s; }
.ux-exam-stats { display: flex; gap: 8px; flex-wrap: wrap; font-size: 12px; }
.ux-exam-stats span { background: var(--ux-surface); border: 1px solid var(--ux-border); border-radius: 999px; padding: 4px 12px; color: var(--ux-text-2); }
.ux-exam-stats .ok b { color: var(--ux-ok); }
.ux-exam-stats .flag b { color: var(--ux-warn); }
.ux-seg { display: inline-flex; background: var(--ux-bg); border: 1px solid var(--ux-border); border-radius: 12px; padding: 3px; gap: 2px; width: fit-content; }
.ux-seg button { border: none; background: transparent; font: inherit; font-size: 12.5px; font-weight: 700; color: var(--ux-text-2); padding: 7px 14px; border-radius: 9px; cursor: pointer; display: inline-flex; gap: 5px; align-items: center; }
.ux-seg button.on { background: var(--ux-surface); color: var(--ux-accent-ink); box-shadow: 0 1px 3px rgba(0,0,0,.1); }
.ux-exam-body { display: grid; gap: 12px; }
.ux-exam-body.split { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); align-items: start; }
.ux-exam-body.split .ux-pdf { position: sticky; top: 96px; height: calc(100vh - 120px); }
.ux-pdf { width: 100%; height: 75vh; border: 1px solid var(--ux-border); border-radius: 14px; background: #fff; }
.ux-answers { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.ux-palette { display: flex; flex-wrap: wrap; gap: 4px; background: var(--ux-surface); border: 1px solid var(--ux-border); border-radius: 14px; padding: 8px; max-height: 150px; overflow: auto; }
.ux-palette button { min-width: 32px; height: 30px; border-radius: 8px; border: 1px solid var(--ux-border-2); background: var(--ux-surface); color: var(--ux-text-2); font: inherit; font-size: 11.5px; font-weight: 700; cursor: pointer; }
.ux-palette button.ans { background: var(--ux-ok-bg); border-color: rgba(22,163,74,.4); color: var(--ux-ok); }
.ux-palette button.flag { box-shadow: inset 0 -3px 0 var(--ux-warn); }
.ux-palette button.cur { outline: 2px solid var(--ux-accent); outline-offset: 1px; }
.ux-questions { display: flex; flex-direction: column; gap: 8px; }
.ux-q { background: var(--ux-surface); border: 1px solid var(--ux-border); border-radius: 14px; padding: 12px; border-inline-start: 4px solid var(--ux-border-2); }
.ux-q.answered { border-inline-start-color: var(--ux-ok); }
.ux-q.flagged { border-inline-start-color: var(--ux-warn); background: color-mix(in srgb, var(--ux-warn-bg) 60%, var(--ux-surface)); }
.ux-q-head { display: flex; gap: 10px; align-items: flex-start; }
.ux-q-num { width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center; flex-shrink: 0; background: var(--ux-accent-bg); color: var(--ux-accent-ink); font-weight: 900; font-size: 12.5px; }
.ux-q-text { flex: 1; margin: 0; font-size: 13.5px; line-height: 1.9; font-weight: 600; }
.ux-flag { border: 1px solid var(--ux-border); background: transparent; color: var(--ux-text-3); width: 32px; height: 32px; border-radius: 9px; cursor: pointer; font-size: 16px; display: grid; place-items: center; flex-shrink: 0; }
.ux-flag.on { background: var(--ux-warn-bg); color: var(--ux-warn); border-color: rgba(217,119,6,.4); }
.ux-opts { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.ux-opts.bank { flex-direction: column; }
.ux-opt { display: flex; align-items: center; gap: 10px; border: 1px solid var(--ux-border-2); background: var(--ux-surface); border-radius: 12px; padding: 6px; cursor: pointer; font: inherit; color: var(--ux-text); text-align: right; transition: border-color .12s, background .12s; }
.ux-opts.bank .ux-opt { padding: 8px 10px; }
.ux-opt:hover:not(:disabled) { border-color: var(--ux-accent); }
.ux-opt.on { border-color: var(--ux-accent); background: var(--ux-accent-bg); }
.ux-opt:focus-visible { outline: 2px solid var(--ux-accent); outline-offset: 2px; }
.ux-opt-num { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; border: 2px solid var(--ux-border-2); font-weight: 900; flex-shrink: 0; }
.ux-opt.on .ux-opt-num { background: var(--ux-accent); border-color: var(--ux-accent); color: #fff; }
.ux-opt-text { font-size: 13px; line-height: 1.8; }
.ux-essay { width: 100%; margin-top: 10px; border: 1px solid var(--ux-border-2); border-radius: 12px; padding: 10px 12px; font: inherit; font-size: 13px; line-height: 1.9; resize: vertical; background: var(--ux-surface); color: var(--ux-text); }
.ux-essay:focus { outline: none; border-color: var(--ux-accent); box-shadow: 0 0 0 3px rgba(79,70,229,.12); }
.ux-pager { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.ux-sheet { background: var(--ux-surface); border: 1px solid var(--ux-accent-bg); border-radius: 14px; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.ux-sheet-title { font-weight: 900; font-size: 13.5px; display: flex; gap: 6px; align-items: center; color: var(--ux-accent-ink); }
.ux-sheet-result { display: flex; flex-direction: column; gap: 6px; }
.ux-sheet-row { font-size: 12.5px; border-top: 1px dashed var(--ux-border); padding-top: 6px; }
.ux-divider { text-align: center; font-size: 12px; color: var(--ux-text-3); position: relative; }

.ux-modal-bg { position: fixed; inset: 0; background: rgba(15,23,42,.45); z-index: 1000; animation: ux-fade .15s; }
.ux-modal { position: fixed; z-index: 1001; left: 50%; top: 50%; transform: translate(-50%, -50%); width: min(420px, calc(100vw - 32px)); background: var(--ux-surface); color: var(--ux-text);
  border-radius: 20px; padding: 20px; box-shadow: 0 30px 60px -20px rgba(0,0,0,.5); display: flex; flex-direction: column; gap: 10px; align-items: center; text-align: center; animation: ux-pop .18s ease-out; }
.ux-modal b { font-size: 16px; }
.ux-modal-ic { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; font-size: 26px; color: #fff; background: linear-gradient(135deg, var(--ux-accent), var(--ux-accent-2)); }
.ux-modal-ic.warn { background: linear-gradient(135deg, #f59e0b, #ea580c); }
.ux-modal-stats { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; font-size: 12px; }
.ux-modal-stats span { padding: 4px 10px; border-radius: 999px; background: var(--ux-bg); }
.ux-modal-stats .ok { background: var(--ux-ok-bg); color: var(--ux-ok); }
.ux-modal-stats .warn { background: var(--ux-warn-bg); color: var(--ux-warn); }
.ux-modal-stats .flag { background: var(--ux-warn-bg); color: var(--ux-warn); }
.ux-modal-acts { display: flex; gap: 8px; width: 100%; margin-top: 4px; }
.ux-modal-acts .ux-btn { flex: 1; }
@keyframes ux-fade { from { opacity: 0; } }
@keyframes ux-pop { from { opacity: 0; transform: translate(-50%, -46%) scale(.97); } }

@media (max-width: 900px) {
  .ux-exam-body.split { grid-template-columns: 1fr; }
  .ux-exam-body.split .ux-pdf { position: static; height: 60vh; }
  .ux-split-btn { display: none !important; }
}
@media (max-width: 640px) {
  .ux { padding: 10px 10px 40px; }
  .ux-hero { flex-direction: column; align-items: stretch; padding: 16px; }
  .ux-hero-next { max-width: none; }
  .ux-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ux-grid, .ux-results { grid-template-columns: 1fr; }
  .ux-exam-bar { grid-template-columns: 1fr auto; grid-template-areas: "title timer" "acts acts" "prog prog"; }
  .ux-exam-acts .ux-btn { flex: 1; }
  .ux-opt-num { width: 40px; height: 40px; }
  .ux-pdf { height: 65vh; }
}
@media (prefers-reduced-motion: reduce) {
  .ux-skel, .ux-dot, .ux-card.soon .ux-pill.soon, .ux-timer.crit, .ux-modal, .ux-modal-bg { animation: none; }
}