:root{color-scheme:light;--bg: #eef6fb;--surface: #ffffff;--surface-strong: #f8fbff;--text: #111827;--muted: #64748b;--line: #d9e5ef;--blue: #15a9ff;--blue-dark: #0878bf;--green: #16bd69;--orange: #f59e0b;--purple: #7c3aed;--red: #ef4444;--shadow: 0 20px 50px rgba(15, 23, 42, .12);font-family:Vazirmatn,IRANSans,Tahoma,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:radial-gradient(circle at top right,rgba(21,169,255,.18),transparent 36rem),linear-gradient(180deg,#f6fbff 0%,var(--bg) 100%);color:var(--text);direction:rtl}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.62}.login-page{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(100%,480px);background:#ffffffe6;border:1px solid var(--line);border-radius:32px;box-shadow:var(--shadow);padding:34px;text-align:center}.brand-mark{width:116px;height:116px;display:grid;place-items:center;margin:0 auto 22px;border-radius:32px;background:linear-gradient(135deg,var(--blue),#7c3aed);color:#fff}.login-card h1,.section-title h1,.hero-panel h1,.profile-card h1{margin:0;line-height:1.15}.login-card p,.hero-panel p,.section-title p,.soft-text{color:var(--muted);line-height:1.9}.login-card form{display:grid;gap:16px;margin-top:26px;text-align:right}label{display:grid;gap:8px;color:var(--muted);font-weight:800}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:18px;background:var(--surface);color:var(--text);padding:15px 16px;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px #15a9ff29}.primary-button,.ghost-button,.danger-button,.store-card button,.chat-input button{border:0;border-radius:18px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:900;min-height:52px}.primary-button{color:#fff;background:linear-gradient(135deg,var(--blue),#2563eb)}.ghost-button{color:var(--text);background:var(--surface);border:1px solid var(--line);padding:0 18px}.danger-button{color:#b91c1c;background:#fee2e2;padding:0 16px}.form-error,.global-error{border:1px solid #fecaca;background:#fff1f2;color:#be123c;border-radius:16px;padding:12px 14px;font-weight:800}.global-error{width:min(1180px,calc(100% - 32px));margin:14px auto 0}.app-shell{min-height:100vh;padding-bottom:calc(96px + env(safe-area-inset-bottom))}.topbar{position:sticky;top:0;z-index:20;height:74px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 max(20px,calc((100vw - 1180px)/2));background:#f7fcffd6;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-bottom:1px solid rgba(148,163,184,.26)}.topbar-brand{display:flex;align-items:center;gap:10px;font-weight:950}.topbar-brand img{width:38px;height:38px;border-radius:12px}.topbar-user{display:grid;justify-items:end;gap:2px;font-weight:900}.topbar-user small{color:var(--muted);direction:ltr}.app-main{width:min(1180px,calc(100% - 32px));margin:22px auto 0}.screen{display:grid;gap:18px}.hero-panel,.panel,.profile-card,.stat-card,.store-card,.select-box,.chat-panel{background:#ffffffd1;border:1px solid var(--line);border-radius:24px;box-shadow:0 12px 28px #0f172a0f}.hero-panel{min-height:220px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding:28px;background:linear-gradient(135deg,#15a9ff33,#7c3aed14),var(--surface)}.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;color:var(--blue-dark);font-weight:950}.hero-panel h1{font-size:clamp(34px,7vw,68px);letter-spacing:0}.section-title{display:flex;align-items:center;justify-content:space-between;gap:14px}.course-strip{display:flex;gap:12px;overflow-x:auto;padding:2px 0 8px;scrollbar-width:none}.course-strip::-webkit-scrollbar{display:none}.course-pill{min-width:210px;border:1px solid var(--line);border-radius:22px;background:var(--surface);color:var(--text);display:grid;gap:6px;text-align:right;padding:16px 18px}.course-pill.active{border-color:var(--blue);box-shadow:0 0 0 4px #15a9ff1f}.course-pill span{font-weight:950}.course-pill small{color:var(--muted)}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.stat-card{min-height:190px;padding:22px}.stat-head{display:flex;align-items:center;gap:10px;color:var(--muted);font-weight:900}.stat-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;color:#fff;background:var(--blue)}.tone-green .stat-icon{background:var(--green)}.tone-amber .stat-icon,.tone-orange .stat-icon{background:var(--orange)}.tone-purple .stat-icon{background:var(--purple)}.stat-card strong{display:block;margin-top:22px;font-size:clamp(24px,3vw,34px);line-height:1.35}.stat-card p{margin:12px 0 0;color:var(--muted);font-weight:800}.two-column{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}.panel{padding:22px}.panel h2,.store-card h2{margin:0 0 16px}.info-list{display:grid;gap:12px;margin:0}.info-list div,.history-list div{display:flex;align-items:center;justify-content:space-between;gap:14px;border-bottom:1px solid rgba(148,163,184,.24);padding-bottom:12px}.info-list dt{color:var(--muted);font-weight:900}.info-list dd{margin:0;font-weight:950;text-align:left}.install-panel{display:grid;align-content:start;gap:14px}.device-row{display:flex;align-items:center;gap:10px;color:var(--muted);font-weight:850}.selector-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.select-box{padding:16px}.school-grid{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:16px}.item-list,.section-list,.history-list{display:grid;gap:10px}.item-card{width:100%;border:1px solid var(--line);background:var(--surface-strong);color:var(--text);border-radius:18px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;text-align:right;padding:14px}.item-card.active{border-color:var(--orange);background:#fff7ed}.item-index{width:34px;height:34px;display:grid;place-items:center;border-radius:999px;background:#fff0c2;color:#92400e;font-weight:950}.item-card strong,.section-item strong{display:block}.item-card small,.section-item span,.history-list span{display:block;color:var(--muted);margin-top:4px;font-weight:800}.detail-panel{min-height:360px}.section-item{border:1px solid var(--line);background:var(--surface-strong);border-radius:16px;padding:14px}.empty-box{min-height:120px;display:grid;place-items:center;border:1px dashed var(--line);border-radius:18px;color:var(--muted);font-weight:900}.chat-panel{overflow:hidden}.chat-log{min-height:420px;max-height:58vh;overflow:auto;display:flex;flex-direction:column;gap:12px;padding:22px}.bubble{max-width:min(72%,680px);border-radius:24px;padding:14px 18px;line-height:1.9;font-weight:800}.bubble.user{align-self:flex-end;color:#fff;background:linear-gradient(135deg,var(--blue),#2563eb);border-bottom-right-radius:8px}.bubble.assistant{align-self:flex-start;background:var(--surface-strong);border:1px solid var(--line);border-bottom-left-radius:8px}.loading-bubble{display:inline-flex;align-items:center;gap:10px}.chat-input{display:grid;grid-template-columns:1fr 58px;gap:10px;padding:14px;border-top:1px solid var(--line)}.chat-input button{color:#fff;background:var(--blue)}.store-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.store-card{padding:24px;min-height:240px}.store-card.green{border-color:#16bd694d}.store-card.blue{border-color:#15a9ff52}.store-card.orange{border-color:#f59e0b59}.store-card p{color:var(--muted);line-height:1.8}.store-card button{margin-top:18px;width:100%;background:#e5e7eb;color:#475569}.profile-card{display:flex;align-items:center;gap:18px;padding:22px}.profile-avatar{width:82px;height:82px;display:grid;place-items:center;border-radius:28px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;font-size:34px;font-weight:950}.profile-card p{margin:8px 0 0;color:var(--muted);direction:ltr}.profile-card .danger-button{margin-inline-start:auto}.bottom-nav{position:fixed;left:50%;bottom:max(16px,env(safe-area-inset-bottom));transform:translate(-50%);z-index:30;width:min(720px,calc(100% - 28px));display:grid;grid-template-columns:repeat(5,1fr);gap:6px;padding:8px;background:#ffffffe0;border:1px solid rgba(148,163,184,.38);border-radius:28px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.bottom-nav button{min-height:58px;border:0;border-radius:21px;display:grid;place-items:center;gap:4px;background:transparent;color:var(--muted);font-weight:900}.bottom-nav button.active{background:linear-gradient(135deg,var(--blue),#2563eb);color:#fff}.bottom-nav span{font-size:12px}.muted-icon{color:var(--muted)}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:980px){.stats-grid,.store-grid,.school-grid,.two-column,.selector-grid{grid-template-columns:1fr}}@media(max-width:680px){.topbar{height:66px;padding-inline:16px}.topbar-user small{max-width:150px;overflow:hidden;text-overflow:ellipsis}.app-main{width:min(100% - 24px,1180px);margin-top:14px}.hero-panel{min-height:260px;align-items:stretch;flex-direction:column}.hero-panel h1{font-size:44px}.stat-card{min-height:160px}.profile-card{align-items:flex-start;flex-wrap:wrap}.profile-card .danger-button{width:100%;margin-inline-start:0}.bubble{max-width:90%}.bottom-nav{width:calc(100% - 18px)}.bottom-nav span{display:none}}