/* ==========================================================================
   دنیای کنکور — Design system (ported from DonyayeKonkur.dc.html)
   Brand red #E52421 · Vazirmatn · RTL · dark default + light theme
   ========================================================================== */

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
html,body{overflow-x:hidden;max-width:100%;}
body{margin:0;font-family:'Vazirmatn',system-ui,'Segoe UI',sans-serif;-webkit-font-smoothing:antialiased;}

:root{
  --desk:#0a0910; --bg:#100E15; --surface:#1A1721; --surface-2:#221E2B; --surface-3:#2C2836;
  --text:#F6F3F9; --muted:#A79FB2; --faint:#6C6579;
  --border:rgba(255,255,255,.08); --border-2:rgba(255,255,255,.13);
  --brand:#E52421; --brand-2:#FF6A2B; --brand-soft:rgba(229,36,33,.16);
  --violet:#9B6BFF; --emerald:#33D98D; --cyan:#38CDE8; --amber:#FFC53D; --pink:#FF5C97;
  --gold:#FFCB45; --silver:#C7CBD6; --bronze:#E0894B;
  --glow:0 18px 44px -16px rgba(229,36,33,.6);
  --shadow:0 24px 50px -22px rgba(0,0,0,.75);
  --radius:18px;
}
[data-theme="light"]{
  --desk:#E9E7ED; --bg:#FFFFFF; --surface:#FFFFFF; --surface-2:#F4F2F7; --surface-3:#EAE7EF;
  --text:#191521; --muted:#6B6577; --faint:#A49DB0;
  --border:rgba(0,0,0,.09); --border-2:rgba(0,0,0,.14);
  --brand:#E52421; --brand-2:#F1590E; --brand-soft:rgba(229,36,33,.1);
  --violet:#7A46F0; --emerald:#13B36C; --cyan:#0FA6C0; --amber:#E39A00; --pink:#EB3E7C;
  --gold:#E8A400; --silver:#9AA0B0; --bronze:#C36B2F;
  --glow:0 16px 36px -18px rgba(229,36,33,.45);
  --shadow:0 22px 44px -24px rgba(20,10,30,.28);
}

::selection{background:var(--brand);color:#fff;}
a{color:var(--brand);text-decoration:none;} a:hover{color:var(--brand-2);}

.ms{font-family:'Material Symbols Rounded';font-weight:500;font-style:normal;line-height:1;letter-spacing:normal;
  text-transform:none;display:inline-block;white-space:nowrap;direction:ltr;-webkit-font-feature-settings:'liga';
  font-feature-settings:'liga';vertical-align:middle;}

@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@keyframes flame{0%,100%{transform:scale(1) rotate(-2deg);opacity:.95}50%{transform:scale(1.12) rotate(2deg);opacity:1}}
@keyframes pulseGlow{0%,100%{box-shadow:0 0 0 0 rgba(229,36,33,.45)}50%{box-shadow:0 0 0 10px rgba(229,36,33,0)}}
@keyframes sheen{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ---- base page --------------------------------------------------------- */
body{
  background:radial-gradient(1100px 560px at 92% -8%, var(--brand-soft), transparent 60%),
             radial-gradient(900px 500px at 0% 0%, rgba(155,107,255,.12), transparent 55%),
             var(--desk);
  color:var(--text);direction:rtl;min-height:100vh;
}

/* numbers rendered LTR where needed */
.ltr{direction:ltr;}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;}

/* ---- auth : two-panel (brand hero + form) on desktop, single form on mobile ---- */
.auth-body{min-height:100dvh;background:var(--desk);}
.auth-split{display:flex;min-height:100dvh;}
.auth-theme{position:fixed;top:18px;left:18px;z-index:10;}

/* form column */
.auth-formcol{flex:1;display:flex;align-items:center;justify-content:center;padding:32px;position:relative;
  background:radial-gradient(1000px 560px at 18% 0%, rgba(155,107,255,.16), transparent 56%),
             radial-gradient(900px 700px at 82% 120%, rgba(56,205,232,.12), transparent 60%),
             var(--desk);}
.auth-card{width:100%;max-width:430px;background:var(--surface);border:1px solid var(--border-2);
  border-radius:30px;box-shadow:var(--shadow);padding:44px 34px 26px;position:relative;overflow:hidden;}
.auth-card::before{content:"";position:absolute;left:-70px;top:-70px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle, var(--brand-soft), transparent 70%);pointer-events:none;}

/* brand hero — desktop only */
.auth-hero{display:none;}
.auth-hero-feat{display:flex;align-items:center;gap:11px;font-size:15px;font-weight:700;}
.auth-hero-feat .ms{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;font-size:22px;flex:0 0 auto;}
@media(min-width:900px){
  .auth-hero{display:flex;flex:1.05;position:relative;overflow:hidden;color:#fff;
    flex-direction:column;justify-content:center;padding:64px 56px;
    background:linear-gradient(140deg,var(--brand),var(--brand-2));}
  .auth-hero::before{content:"";position:absolute;right:-90px;top:-90px;width:380px;height:380px;border-radius:50%;background:rgba(255,255,255,.13);}
  .auth-hero::after{content:"";position:absolute;left:-110px;bottom:-130px;width:440px;height:440px;border-radius:50%;background:rgba(255,255,255,.08);}
  .auth-hero-inner{position:relative;max-width:480px;display:flex;flex-direction:column;gap:22px;}

  /* form side: پنلِ تمیزِ سفید، فرم راست‌چین و فلَت (نه کارتِ موبایلیِ وسط‌چین) */
  .auth-formcol{background:var(--surface);}
  .auth-card{background:transparent;border:0;box-shadow:none;max-width:400px;padding:0;}
  .auth-card::before{display:none;}
  .auth-inner{align-items:stretch !important;text-align:right !important;gap:18px !important;}
  .auth-foot{text-align:right !important;}
}

@media(max-width:560px){
  .auth-formcol{padding:0;align-items:stretch;}
  .auth-card{max-width:none;min-height:100dvh;border-radius:0;border:0;box-shadow:none;
    display:flex;flex-direction:column;justify-content:center;padding:32px 26px;}
}

/* ---- brand mark -------------------------------------------------------- */
.brandmark{border-radius:16px;background:linear-gradient(140deg,var(--brand),var(--brand-2));
  display:flex;align-items:center;justify-content:center;font-weight:900;color:#fff;box-shadow:var(--glow);
  font-family:system-ui;}

/* ---- cards / surfaces -------------------------------------------------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);}
.card-2{background:var(--surface-2);border:1px solid var(--border);border-radius:16px;}
.soft{background:var(--surface-2);border:1px solid var(--border-2);border-radius:14px;}

/* ---- buttons ----------------------------------------------------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;font-weight:800;
  font-size:15px;cursor:pointer;border-radius:13px;padding:12px 22px;border:1px solid transparent;
  transition:transform .05s ease, filter .2s ease;text-align:center;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:linear-gradient(140deg,var(--brand),var(--brand-2));color:#fff;border:0;box-shadow:var(--glow);}
.btn-primary:hover{filter:brightness(1.05);color:#fff;}
.btn-ghost{background:var(--surface-2);color:var(--text);border:1px solid var(--border-2);}
.btn-ghost:hover{color:var(--text);border-color:var(--brand);}
.btn-block{width:100%;}
.btn-lg{padding:16px;font-size:16px;border-radius:15px;}
.btn-sm{padding:8px 14px;font-size:13px;border-radius:10px;}

/* ---- pills / badges ---------------------------------------------------- */
.pill{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border-radius:100px;font-size:13px;font-weight:800;
  background:var(--surface-2);border:1px solid var(--border);}
.pill-brand{background:var(--brand-soft);color:var(--brand);border:1px solid rgba(229,36,33,.3);}
.pill-green{background:rgba(51,217,141,.14);color:var(--emerald);border:0;}
.pill-amber{background:rgba(255,197,61,.14);color:var(--amber);border:0;}
.pill-violet{background:rgba(155,107,255,.16);color:var(--violet);border:0;}

/* ---- form fields ------------------------------------------------------- */
.field{display:flex;align-items:center;gap:9px;background:var(--surface-2);border:1px solid var(--border-2);
  border-radius:12px;padding:11px 15px;}
.input,textarea.input,select.input{width:100%;background:var(--surface-2);border:1px solid var(--border-2);
  border-radius:12px;padding:12px 15px;color:var(--text);font-family:inherit;font-size:14.5px;outline:none;}
.input:focus{border-color:var(--brand);}
label.lbl{display:block;font-size:13px;font-weight:800;color:var(--muted);margin-bottom:7px;}
textarea.input{resize:vertical;min-height:88px;line-height:1.9;}

/* ---- progress bar / ring ---------------------------------------------- */
.bar{height:10px;border-radius:100px;background:var(--surface-3);overflow:hidden;}
.bar > span{display:block;height:100%;border-radius:100px;background:linear-gradient(90deg,var(--brand),var(--brand-2));}
.ring{position:relative;border-radius:50%;display:flex;align-items:center;justify-content:center;}
.ring > .hole{position:absolute;border-radius:50%;background:var(--surface);}
.ring > .val{position:relative;font-weight:900;}

/* ---- tables ------------------------------------------------------------ */
table.tbl{width:100%;border-collapse:collapse;font-size:14px;}
table.tbl th{text-align:right;color:var(--muted);font-weight:800;font-size:12.5px;padding:12px 12px;border-bottom:1px solid var(--border);}
table.tbl td{padding:13px 12px;border-bottom:1px solid var(--border);}
table.tbl tr:last-child td{border-bottom:0;}
table.tbl tbody tr:hover{background:var(--surface-2);}

/* ---- avatar ------------------------------------------------------------ */
.avatar{border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;color:#fff;
  background:linear-gradient(140deg,var(--violet),var(--cyan));}

/* ================= MOBILE : phone frame + bottom nav ==================== */
.phone-wrap{width:100%;max-width:440px;margin:0 auto;min-height:100vh;position:relative;
  background:var(--bg);display:flex;flex-direction:column;}
.app-topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 18px 8px;}
.app-scroll{flex:1;overflow:auto;padding:6px 16px 96px;display:flex;flex-direction:column;gap:15px;}
.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:440px;height:74px;
  background:var(--surface);border-top:1px solid var(--border);display:flex;align-items:flex-start;
  justify-content:space-around;padding-top:11px;z-index:40;}
.bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:3px;color:var(--faint);font-size:10.5px;font-weight:700;}
.bottom-nav a.active{color:var(--brand);}
.bottom-nav a.active span:last-child{font-weight:800;}
.bottom-nav .fab{width:52px;height:52px;border-radius:18px;background:linear-gradient(140deg,var(--brand),var(--brand-2));
  display:flex;align-items:center;justify-content:center;box-shadow:var(--glow);margin-top:-14px;color:#fff;}
.bottom-nav .fab span{color:#fff;}

/* --- student app: mobile = phone + bottom nav; desktop = sidebar + wide content --- */
.s-shell{display:block;}
.s-sidebar{display:none;}
@media(min-width:900px){
  .s-shell{display:block;min-height:100vh;padding-right:250px;}
  .s-sidebar{display:flex;flex-direction:column;width:250px;gap:5px;
    background:var(--surface);border-left:1px solid var(--border);padding:20px 14px;
    position:fixed;top:0;right:0;height:100vh;overflow:auto;z-index:30;}
  .s-sidebar .logo{display:flex;align-items:center;gap:11px;padding:6px 8px 16px;}
  .s-sidebar a.nav{display:flex;align-items:center;gap:11px;padding:10px 13px;border-radius:12px;
    color:var(--muted);font-weight:700;font-size:14px;position:relative;}
  .s-sidebar a.nav:hover{background:var(--surface-2);color:var(--text);}
  .s-sidebar a.nav.active{background:var(--brand-soft);color:var(--brand);}
  .s-sidebar a.nav.active .ms{color:var(--brand);}

  /* content column takes the rest; drop the phone framing */
  .student-app .phone-wrap{max-width:none;flex:1;min-width:0;min-height:100vh;background:transparent;}
  .student-app .app-scroll{max-width:1160px;width:100%;margin:0 auto;padding:28px 34px 64px;gap:20px;}
  .student-app .app-topbar{max-width:1160px;width:100%;margin:0 auto;padding:24px 34px 2px;}
  .student-app .bottom-nav{display:none;}           /* سایدبار جای nav پایین را می‌گیرد */
  .only-mobile{display:none !important;}

  /* چتِ دانش‌آموز روی دسکتاپ: تمام‌قد، پیام‌ها اسکرول، نوارِ نوشتن چسبیده به پایینِ ستون */
  .student-app .chat-mode{display:flex;flex-direction:column;height:100vh;}
  .student-app .chat-mode .app-scroll{flex:1;min-height:0;max-width:820px;width:100%;margin:0 auto;
    display:flex;flex-direction:column;overflow:hidden;padding:20px 26px 0;}
  .student-app .chat-mode #chatMessages{flex:1;min-height:0;overflow:auto;padding-bottom:14px;}
  .student-app .chat-mode .app-composer{position:sticky !important;bottom:0 !important;left:auto !important;
    transform:none !important;width:100% !important;max-width:820px !important;margin:12px auto 0 !important;
    border:1px solid var(--border) !important;border-radius:16px !important;}
  .student-app .chat-mode .app-topbar{max-width:820px;}
}

.stat{background:var(--surface);border:1px solid var(--border);border-radius:17px;padding:13px 10px;text-align:center;}
.stat .num{font-weight:900;font-size:19px;margin-top:4px;}
.stat .cap{color:var(--muted);font-size:11.5px;}

/* section heading (desktop) */
.sec-head{display:flex;align-items:center;gap:12px;margin:0 0 18px;}
.sec-head .tick{width:5px;height:26px;border-radius:4px;background:var(--brand);}
.sec-head h2{margin:0;font-size:22px;font-weight:900;}
.sec-head .sub{color:var(--faint);font-size:14px;}

/* ================= DESKTOP : shell + sidebar =========================== */
.shell{display:flex;min-height:100vh;}
.sidebar{width:264px;flex:0 0 auto;background:var(--surface);border-left:1px solid var(--border);
  display:flex;flex-direction:column;padding:20px 16px;gap:6px;position:sticky;top:0;height:100vh;overflow:auto;}
.sidebar .logo{display:flex;align-items:center;gap:11px;padding:6px 8px 18px;}
.sidebar a.nav{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:12px;color:var(--muted);
  font-weight:700;font-size:14.5px;}
.sidebar a.nav:hover{background:var(--surface-2);color:var(--text);}
.sidebar a.nav.active{background:var(--brand-soft);color:var(--brand);}
.sidebar a.nav.active .ms{color:var(--brand);}
.nav-badge{background:var(--brand);color:#fff;font-size:11px;font-weight:800;min-width:20px;height:20px;
  border-radius:100px;display:inline-flex;align-items:center;justify-content:center;padding:0 6px;flex:0 0 auto;}
.nav-dot{position:absolute;top:6px;left:8px;min-width:16px;height:16px;border-radius:100px;background:var(--brand);
  color:#fff;font-size:9.5px;font-weight:800;display:flex;align-items:center;justify-content:center;padding:0 4px;border:2px solid var(--surface);}
.main{flex:1;min-width:0;padding:26px 30px 60px;}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap;}
.grid{display:grid;gap:18px;}

/* desktop: sidebar ثابت سمت راست، محتوا اسکرول */
@media(min-width:901px){
  .shell{display:block;padding-right:264px;}
  .sidebar{position:fixed;top:0;right:0;height:100vh;z-index:30;}
}

/* mobile drawer header (desktop panels) */
.mobile-topbar{display:none;}
.sidebar-backdrop{display:none;}

@media(max-width:980px){
  /* collapse any inline multi-column grid to 2 columns (!important beats inline) */
  .grid{grid-template-columns:repeat(2,1fr) !important;}
  .main{padding:18px 16px 80px;}
  .topbar .b9{font-size:20px !important;}
}
@media(max-width:900px){
  /* turn sidebar into a slide-in drawer + show a mobile top bar */
  .mobile-topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:sticky;top:0;z-index:50;background:var(--surface);border-bottom:1px solid var(--border);
    padding:12px 16px;margin:-18px -16px 16px;}
  .sidebar{position:fixed;right:0;top:0;height:100dvh;width:min(84vw,300px);z-index:70;
    transform:translateX(105%);transition:transform .26s ease;box-shadow:var(--shadow);}
  .sidebar.open{transform:translateX(0);}
  .sidebar-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:60;
    opacity:0;pointer-events:none;transition:opacity .26s ease;}
  .sidebar-backdrop.open{display:block;opacity:1;pointer-events:auto;}
}
@media(max-width:560px){
  .grid{grid-template-columns:1fr !important;}
  .kpi{padding:16px;} .kpi .k-num{font-size:24px;margin-top:10px;}
  .main{padding:14px 13px 80px;}
  table.tbl{font-size:13px;} table.tbl th,table.tbl td{padding:10px 9px;}
}

.kpi{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:20px;box-shadow:var(--shadow);}
.kpi .k-top{display:flex;align-items:center;justify-content:space-between;}
.kpi .k-ico{width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;}
.kpi .k-num{font-weight:900;font-size:30px;margin-top:14px;letter-spacing:-.5px;}
.kpi .k-cap{color:var(--muted);font-size:13.5px;margin-top:2px;}

/* hero */
.hero{position:relative;overflow:hidden;border-radius:26px;border:1px solid var(--border-2);
  background:linear-gradient(135deg,var(--surface),var(--surface-2));padding:34px 30px;box-shadow:var(--shadow);}

/* chat */
/* desktop chat two-pane → stacks on mobile */
.chat-shell{display:grid;grid-template-columns:300px 1fr;overflow:hidden;height:calc(100vh - 150px);}
.chat-side{display:flex;flex-direction:column;border-left:1px solid var(--border);min-height:0;overflow:hidden;}
@media(max-width:760px){
  .chat-shell{grid-template-columns:1fr;height:calc(100dvh - 120px);}
  .chat-side{border-left:0;border-bottom:1px solid var(--border);max-height:44vh;}
}
.bubble{max-width:76%;padding:11px 14px;border-radius:16px;font-size:14px;line-height:1.85;}
.bubble.me{background:linear-gradient(140deg,var(--brand),var(--brand-2));color:#fff;border-bottom-right-radius:5px;margin-inline-start:auto;}
.bubble.them{background:var(--surface-2);border:1px solid var(--border);border-bottom-left-radius:5px;}

/* flash */
.flash{border-radius:14px;padding:12px 16px;font-weight:700;font-size:14px;margin-bottom:16px;}
.flash-ok{background:rgba(51,217,141,.14);color:var(--emerald);}
.flash-err{background:var(--brand-soft);color:var(--brand);}

/* utility */
.muted{color:var(--muted);} .faint{color:var(--faint);}
.row{display:flex;align-items:center;} .between{justify-content:space-between;} .gap{gap:12px;}
.wrap{flex-wrap:wrap;} .col{display:flex;flex-direction:column;}
.b9{font-weight:900;} .b8{font-weight:800;} .b7{font-weight:700;}
.hide{display:none;}

/* student responsive dashboard helpers — mobile defaults first, desktop override after */
.stu-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;}
.stu-grid,.stu-2,.stu-3{display:flex;flex-direction:column;gap:15px;}
.only-desktop{display:none;}
@media(min-width:900px){
  .stu-kpis{grid-template-columns:repeat(4,1fr);gap:16px;}
  .stu-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:20px;align-items:start;}
  .stu-2{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start;}
  .stu-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start;}
  .only-desktop{display:block;}
}