/* =========================================================================
   app.css — نظام تصميم لوحات التحكم (طالب / مدرس / أدمن)
   نفس هوية الواجهة العامة (public.css): كحلي + ذهبي، El Messiri + IBM Plex Sans Arabic،
   ونفس مفتاح الوضع الفاتح/الداكن (localStorage: site_theme).
   أسماء الـ classes محفوظة زي dashboard.css، فالانتقال للمدرس والأدمن بيبقى تبديل سطر الـ link.
   ========================================================================= */
@import url('https://fonts.googleapis.com/css2?family=El+Messiri:wght@500;600;700&family=IBM+Plex+Sans+Arabic:wght@400;500;600;700&display=swap');

:root{
  --bg:#F6F7FB;
  --surface:#FFFFFF;
  --surface-2:#FBFBFE;
  --ink:#12173A;
  --ink-2:#3C4269;
  --muted:#666D8A;
  --brand:#1B2566;
  --brand-soft:#EAEBF9;
  --gold:#B98A2E;
  --gold-deep:#8E6A1F;
  --gold-soft:#FBF1DC;
  --line:#E4E6F0;
  --line-strong:#D3D6E6;
  --success-soft:#E4F4EE;
  --success-ink:#186B50;
  --danger:#C34A4A;
  --danger-soft:#FBEAEA;
  --danger-ink:#9A3A3A;
  --warn-soft:#FBF1DC;
  --warn-ink:#7A5A16;
  --primary-a:#1B2566;
  --primary-b:#0D1338;
  --glass:rgba(255,255,255,.8);
  --r-lg:22px;
  --r-md:14px;
  --r-sm:11px;
  --shadow-card:0 1px 2px rgba(16,20,40,.04),0 16px 32px -22px rgba(16,20,40,.25);
  --shadow-pop:0 24px 60px -24px rgba(13,19,56,.45);
  --font-display:'El Messiri','Amiri',serif;
  --font-body:'IBM Plex Sans Arabic','Segoe UI',Tahoma,Arial,sans-serif;
  --topbar-h:68px;
}
html[data-theme="dark"]{
  --bg:#090D1B;
  --surface:#11182A;
  --surface-2:#0D1424;
  --ink:#F4F6FF;
  --ink-2:#C6CCE0;
  --muted:#929AB4;
  --brand:#8B99FF;
  --brand-soft:#1A2342;
  --gold:#E4BE6C;
  --gold-deep:#D8AD52;
  --gold-soft:#2B2416;
  --line:#222B42;
  --line-strong:#33405E;
  --success-soft:rgba(30,142,108,.16);
  --success-ink:#6FDDB7;
  --danger:#E27B7B;
  --danger-soft:rgba(195,74,74,.16);
  --danger-ink:#FFA3A3;
  --warn-soft:rgba(228,190,108,.14);
  --warn-ink:#E9CB85;
  --primary-a:#4C5BD4;
  --primary-b:#2B3690;
  --glass:rgba(9,13,27,.8);
  --shadow-card:0 1px 2px rgba(0,0,0,.25),0 18px 42px -24px rgba(0,0,0,.7);
  --shadow-pop:0 26px 70px -30px rgba(0,0,0,.85);
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;padding:0}
body{
  position:relative;min-height:100vh;direction:rtl;
  background:var(--bg);color:var(--ink);
  font-family:var(--font-body);line-height:1.65;-webkit-font-smoothing:antialiased;
}
body::before{
  content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(620px 420px at 88% 6%, rgba(185,138,46,.09), transparent 60%),
    radial-gradient(560px 460px at 6% 30%, rgba(27,37,102,.07), transparent 60%);
}
html[data-theme="dark"] body::before{
  background:
    radial-gradient(620px 420px at 88% 6%, rgba(228,190,108,.06), transparent 60%),
    radial-gradient(560px 460px at 6% 30%, rgba(119,135,255,.07), transparent 60%);
}
h1,h2,h3{font-family:var(--font-display);font-weight:600;color:var(--ink);margin:0;letter-spacing:.2px}
p{margin:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
img{max-width:100%}
::selection{background:rgba(27,37,102,.16);color:var(--ink)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:99px}

/* ---------- الهيكل + الشريط العلوي ---------- */
.app{min-height:100vh;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:30;height:var(--topbar-h);padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--glass);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);
  border-bottom:1px solid var(--line);
}
.brandline{display:flex;align-items:center;gap:11px;min-width:0}
.logo-box{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,#232C6E,#0D1338);
}
.logo-box img{width:100%;height:100%;object-fit:contain;padding:6px}
.logo-box svg{width:21px;height:21px}
.brandline .brand-text{font-family:var(--font-display);font-weight:600;font-size:18px;line-height:1.2;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brandline .brand-text small{display:block;font-family:var(--font-body);font-weight:400;font-size:11.5px;color:var(--muted)}
.userbox{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-2)}
.user-chip{display:flex;align-items:center;gap:9px;padding:4px 14px 4px 5px;border:1px solid var(--line);border-radius:99px;background:var(--surface)}
.avatar{
  width:30px;height:30px;border-radius:50%;flex:0 0 auto;
  display:grid;place-items:center;overflow:hidden;background:var(--brand-soft);color:var(--brand);
  font-family:var(--font-display);font-weight:600;font-size:15px;line-height:1;
}
.avatar img{width:100%;height:100%;object-fit:cover}
.avatar.lg{width:76px;height:76px;font-size:28px;border-radius:20px}
.iconbtn{
  min-height:38px;padding:0 14px;border-radius:var(--r-sm);
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  background:var(--surface);color:var(--ink-2);border:1px solid var(--line-strong);
  font-size:13.5px;font-weight:600;cursor:pointer;transition:border-color .15s,color .15s;
}
.iconbtn:hover{border-color:var(--brand);color:var(--brand)}
.iconbtn.square{width:38px;padding:0}
.iconbtn svg{width:17px;height:17px}

.container{max-width:1120px;margin:0 auto;padding:28px 24px 64px;width:100%}

/* ---------- ترحيب اللوحة ---------- */
.page-head{
  position:relative;overflow:hidden;margin-bottom:26px;padding:30px 34px;
  border-radius:var(--r-lg);color:#fff;
  background:linear-gradient(160deg,#1B2566,#0D1338);
  border:1px solid rgba(255,255,255,.07);
}
.page-head::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.1) 1.3px,transparent 1.3px);background-size:24px 24px;
  -webkit-mask-image:radial-gradient(ellipse 60% 100% at 8% 0%,#000,transparent);
  mask-image:radial-gradient(ellipse 60% 100% at 8% 0%,#000,transparent);
}
.page-head > *{position:relative}
.page-head h1{color:#fff;font-size:clamp(25px,4.2vw,34px);line-height:1.3;margin-bottom:6px}
.page-head p{color:rgba(255,255,255,.76);font-size:15px}

/* ---------- التبويبات ---------- */
.tabs{display:flex;gap:4px;overflow-x:auto;margin-bottom:24px;border-bottom:1px solid var(--line);scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs button{
  white-space:nowrap;background:transparent;border:none;margin-bottom:-1px;
  padding:12px 18px;font-size:14.5px;font-weight:600;color:var(--muted);cursor:pointer;
  border-bottom:2px solid transparent;transition:color .15s,border-color .15s;
}
.tabs button:hover{color:var(--ink)}
.tabs button.active{color:var(--ink);border-bottom-color:var(--gold)}
.panel{display:none}
.panel.active{display:block;animation:panelIn .22s ease}
@keyframes panelIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

.section-title{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.section-title h2{font-size:21px}

/* ---------- الأزرار ---------- */
.btn{
  width:100%;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:var(--r-sm);border:1px solid transparent;
  background:linear-gradient(150deg,var(--primary-a),var(--primary-b));color:#fff;
  font-size:14.5px;font-weight:600;cursor:pointer;text-decoration:none;
  box-shadow:0 12px 26px -12px rgba(27,37,102,.55);
  transition:filter .18s,transform .15s,border-color .18s,background .18s;
}
.btn:hover{filter:brightness(1.1)}
.btn:active{transform:scale(.98)}
.btn:disabled{opacity:.55;cursor:not-allowed;filter:none;transform:none}
.btn.sm,.btn.auto{width:auto}
.btn.sm{padding:8px 15px;font-size:13px;box-shadow:none}
.btn.secondary,.btn.ghost{background:transparent;color:var(--ink-2);border-color:var(--line-strong);box-shadow:none}
.btn.secondary:hover,.btn.ghost:hover{border-color:var(--brand);color:var(--brand);filter:none}
.btn.gold{background:linear-gradient(150deg,#CB9C3F,var(--gold-deep));box-shadow:0 12px 24px -12px rgba(142,106,31,.6)}
.btn.danger{background:linear-gradient(150deg,#D45B5B,#B03B3B);box-shadow:none}
.btn svg{width:16px;height:16px}

/* ---------- الكروت والنماذج ---------- */
.card{
  width:100%;max-width:520px;padding:28px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-card);
}
.brand{margin-bottom:20px}
.brand h1,.brand h2{font-size:22px;margin-bottom:5px}
.brand p{color:var(--muted);font-size:14px}
.field{margin-bottom:17px}
.field label{display:block;margin-bottom:7px;font-size:13px;font-weight:600;color:var(--ink-2)}
.field input,.field select,textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);
  border:1px solid var(--line-strong);background:var(--surface-2);color:var(--ink);
  font-size:14.5px;font-family:var(--font-body);transition:border-color .18s,box-shadow .18s;
}
textarea{resize:vertical;min-height:90px}
.field input:focus,.field select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,37,102,.13);background:var(--surface)}
html[data-theme="dark"] .field input:focus,html[data-theme="dark"] .field select:focus,html[data-theme="dark"] textarea:focus{box-shadow:0 0 0 3px rgba(139,153,255,.2)}
.field input:disabled{opacity:.7;cursor:not-allowed;background:var(--bg)}
.field input.code-input{direction:ltr;text-align:center;letter-spacing:.14em;font-size:17px;font-weight:600;text-transform:uppercase;padding:14px}
.hint{font-size:12.5px;color:var(--muted);margin-top:6px}
.alert{padding:12px 14px;margin-bottom:16px;border-radius:12px;border:1px solid transparent;font-size:13.5px;line-height:1.6}
.alert.error{background:var(--danger-soft);color:var(--danger-ink);border-color:rgba(195,74,74,.28)}
.alert.warn{background:var(--warn-soft);color:var(--warn-ink);border-color:rgba(185,138,46,.35)}
.alert.success{background:var(--success-soft);color:var(--success-ink);border-color:rgba(30,142,108,.28)}
.switch{text-align:center;margin-top:18px;font-size:13.5px;color:var(--muted)}
.switch a{color:var(--brand);font-weight:600}
.profile-head{display:flex;align-items:center;gap:14px;margin-bottom:22px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.profile-head .avatar{width:54px;height:54px;font-size:24px}
.profile-head h2{font-size:20px}
.profile-head p{font-size:13px;color:var(--muted)}

/* ---------- كروت الكورسات (الطالب) ---------- */
.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.course-tile{display:flex;flex-direction:column;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-card);transition:border-color .18s}
.course-tile:hover{border-color:var(--line-strong)}
.course-tile .thumb{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.5);background:linear-gradient(150deg,#232C6E,#141A48)}
.course-tile .thumb img{width:100%;height:100%;object-fit:cover}
.course-tile .thumb svg{width:38px;height:38px}
.course-tile .body{flex:1;padding:16px 18px 4px}
.course-tile h3{font-size:18px;line-height:1.4;margin-bottom:8px}
.course-tile .meta{font-size:13px;color:var(--muted)}
.course-tile .foot{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 18px 16px}

/* ---------- عناصر مشتركة بسيطة ---------- */
.section-block{margin-bottom:10px;padding:13px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-sm)}
.lesson-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 0;border-top:1px solid var(--line)}
.lesson-row:first-of-type{border-top:none}
.back-link{display:inline-flex;align-items:center;gap:6px;margin-bottom:16px;font-size:14px;font-weight:500;color:var(--muted);text-decoration:none;transition:color .15s}
.back-link:hover{color:var(--ink)}
.back-link svg{width:16px;height:16px}

/* ---------- قوائم وجداول (مدرس/أدمن) ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.tile{padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-card)}
.tile h3{margin:0 0 6px;font-family:var(--font-body);font-size:13px;font-weight:500;color:var(--muted)}
.tile .num{font-family:var(--font-display);font-size:32px;font-weight:600;line-height:1.2;color:var(--ink)}
.list{display:flex;flex-direction:column;gap:10px}
.row-card{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:15px 18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);transition:border-color .18s;
}
.row-card:hover{border-color:var(--line-strong)}
.row-card .meta{margin-top:3px;font-size:12.5px;color:var(--muted)}
.row-card .actions{display:flex;gap:8px;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:99px;font-size:12px;font-weight:600;white-space:nowrap}
.badge::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor}
.badge.active,.badge.approved{background:var(--success-soft);color:var(--success-ink)}
.badge.suspended,.badge.rejected{background:var(--danger-soft);color:var(--danger-ink)}
.badge.pending{background:var(--warn-soft);color:var(--warn-ink)}
.badge.draft{background:var(--brand-soft);color:var(--ink-2)}
.badge.published{background:var(--brand-soft);color:var(--brand)}
.table-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md)}
table.data{width:100%;border-collapse:collapse;font-size:13.5px}
table.data th,table.data td{padding:12px 14px;text-align:right;border-bottom:1px solid var(--line)}
table.data th{font-size:12.5px;font-weight:600;color:var(--muted);background:var(--surface-2)}
table.data tbody tr:last-child td{border-bottom:none}
table.data tbody tr:hover{background:var(--surface-2)}
.empty{text-align:center;color:var(--muted);padding:40px 12px;font-size:14.5px}
.empty .btn{margin-top:14px}
.modal-backdrop{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(6,9,22,.6);backdrop-filter:blur(3px)}
.modal{width:100%;max-width:460px;max-height:85vh;overflow-y:auto;padding:26px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-pop)}
.modal h3{margin-top:0;font-size:20px}
.code-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.code-chip{display:flex;align-items:center;gap:6px;padding:7px 11px;background:var(--surface-2);border:1px solid var(--line-strong);border-radius:9px;font-size:13px;letter-spacing:.5px}
.code-chip.used{opacity:.5;text-decoration:line-through}
.course-cover{width:100%;aspect-ratio:16/9;margin-bottom:10px;object-fit:cover;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-sm)}
.spinner{display:inline-block;width:18px;height:18px;border:2px solid var(--line-strong);border-top-color:var(--brand);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}


/* ---------- نوافذ وتنبيهات سريعة (AppUI) ---------- */
.modal .msg{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--ink-2)}
.modal .field{margin:16px 0 0}
.modal-actions{display:flex;gap:10px;margin-top:22px}
.modal-actions .btn{flex:1;width:auto}
.toast{
  position:fixed;top:calc(var(--topbar-h) + 12px);left:50%;transform:translateX(-50%);z-index:80;
  max-width:min(92vw,480px);padding:12px 20px;border-radius:12px;text-align:center;
  font-size:14px;font-weight:600;line-height:1.6;color:#fff;background:#1B2566;box-shadow:var(--shadow-pop);
}
.toast.success{background:#186B50}
.toast.error{background:#9A3A3A}
html[data-theme="dark"] .toast{background:#3B49B8}
html[data-theme="dark"] .toast.success{background:#1E8E6C}
html[data-theme="dark"] .toast.error{background:#B04A4A}

/* ---------- عناصر صغيرة مشتركة ---------- */
.iconbtn.sm{min-height:32px;width:32px;padding:0;border-radius:9px}
.iconbtn.sm svg{width:16px;height:16px}
.iconbtn.del:hover{border-color:var(--danger);color:var(--danger-ink)}
.link-btn{padding:0;background:none;border:0;color:var(--brand);font-size:12.5px;font-weight:600;text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.link-btn:hover{color:var(--ink)}
.link-btn.del{color:var(--danger-ink)}

/* ---------- لوحة المدرس: إدارة الكورس ---------- */
.manage{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:start}
.manage-main{min-width:0}
.settings-card{
  position:sticky;top:calc(var(--topbar-h) + 16px);padding:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-card);
}
.settings-card h3{margin-bottom:14px;font-size:18px}
.cover-frame{
  aspect-ratio:16/9;margin-bottom:10px;overflow:hidden;display:grid;place-items:center;
  border-radius:var(--r-sm);color:rgba(255,255,255,.5);background:linear-gradient(150deg,#232C6E,#141A48);
}
.cover-frame img{width:100%;height:100%;object-fit:cover}
.cover-frame svg{width:34px;height:34px}
.cover-actions{margin-bottom:18px}
.settings-actions{display:flex;gap:8px;flex-wrap:wrap}
.settings-actions .btn{flex:1;width:auto}
.t-section{margin-bottom:14px;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-card)}
.t-section-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:13px 16px;background:var(--surface-2)}
.t-section-head h3{flex:1;min-width:0;font-size:18px;overflow-wrap:anywhere}
.t-section-head .count{font-size:12.5px;color:var(--muted)}
.t-section-head .actions{display:flex;gap:6px}
.t-lesson{display:flex;align-items:center;gap:12px;padding:11px 16px;border-top:1px solid var(--line)}
.t-lesson .ico{flex:0 0 auto;width:40px;height:40px;display:grid;place-items:center;border-radius:10px;background:var(--brand-soft);color:var(--brand)}
.t-lesson .ico svg{width:19px;height:19px}
.t-lesson img.thumb{flex:0 0 auto;width:52px;height:40px;object-fit:cover;border-radius:9px;border:1px solid var(--line)}
.t-lesson .ttl{flex:1;min-width:0;line-height:1.5;overflow-wrap:anywhere}
.t-lesson .sub{display:flex;flex-wrap:wrap;align-items:center;gap:2px 12px;margin-top:2px;font-size:12.5px;color:var(--muted)}
.t-lesson .actions{display:flex;flex:0 0 auto;gap:6px}
.t-empty{padding:16px;border-top:1px solid var(--line);font-size:13.5px;color:var(--muted)}
.btn.ghost.del{color:var(--danger-ink)}
.btn.ghost.del:hover{border-color:var(--danger);color:var(--danger-ink)}

/* ---------- تتبّع الرفع ---------- */
.upload-tray{position:fixed;bottom:16px;inset-inline-end:16px;z-index:60;width:min(360px,calc(100vw - 32px));display:flex;flex-direction:column;gap:8px}
.upload-item{padding:12px 14px;background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--r-md);box-shadow:var(--shadow-pop)}
.upload-item .row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.upload-item strong{min-width:0;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.upload-item .bar{height:6px;margin:10px 0 6px;overflow:hidden;background:var(--line);border-radius:99px}
.upload-item .bar i{display:block;height:100%;width:var(--p,0%);background:linear-gradient(90deg,var(--gold-deep),var(--gold));border-radius:99px;transition:width .2s}
.upload-item .sub{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.upload-item.done .bar i{background:#1E8E6C}
.upload-item.done .sub{color:var(--success-ink)}
.upload-item.fail .bar i{background:var(--danger)}
.upload-item.fail .sub{color:var(--danger-ink)}

/* ---------- موبايل ---------- */
@media (max-width:900px){
  .manage{grid-template-columns:minmax(0,1fr)}
  .settings-card{position:static;order:-1}
}
@media (max-width:640px){
  .topbar{padding:0 14px}
  .t-lesson{align-items:flex-start;flex-wrap:wrap}
  .t-lesson .actions{width:100%;justify-content:flex-end}
  .container{padding:18px 14px 48px}
  .page-head{padding:24px 22px;border-radius:18px}
  .hide-sm{display:none}
  .user-chip{padding:4px}
  .brandline .brand-text small{display:none}
  .card{padding:22px 18px}
  .row-card{flex-direction:column;align-items:flex-start}
  .course-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  .panel.active{animation:none}
  .btn,.iconbtn,.tabs button,.row-card,.course-tile,.upload-item .bar i{transition:none}
  .spinner{animation-duration:1.6s}
}

/* ---------- نموذج الدرس (إضافة / تعديل) ---------- */
.modal.wide{max-width:560px}
.dlg-body{margin-top:14px}
.dlg-body .alert{margin-bottom:14px}
.pick{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.pick .btn{flex:0 0 auto}
.pick .name{flex:1;min-width:0;font-size:13.5px;color:var(--ink-2);overflow-wrap:anywhere}
.pick .name.empty{color:var(--muted)}
.fsec{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.fsec h4{margin:0 0 4px;font-family:var(--font-body);font-size:14.5px;font-weight:600;color:var(--ink)}
.fsec > .hint{margin:0 0 12px}
.cover-row{display:flex;align-items:center;gap:14px}
.cover-thumb{
  flex:0 0 auto;width:128px;aspect-ratio:16/9;overflow:hidden;display:grid;place-items:center;
  background:var(--surface-2);border:1px dashed var(--line-strong);border-radius:var(--r-sm);color:var(--muted);
}
.cover-thumb.has{border-style:solid}
.cover-thumb img{width:100%;height:100%;object-fit:cover}
.cover-thumb svg{width:26px;height:26px}
.cover-btns{display:flex;flex-direction:column;align-items:flex-start;gap:8px;min-width:0}
.cover-btns .row{display:flex;gap:8px;flex-wrap:wrap}
.att-row{display:flex;flex-direction:column;gap:12px}
.att-row .field{margin:0}
.note{margin-top:8px;font-size:12.5px;line-height:1.7;color:var(--warn-ink)}
@media (max-width:640px){
  .cover-row{align-items:flex-start;flex-direction:column}
  .cover-thumb{width:100%;max-width:220px}
}