:root{
  --bg:#f7f5fb; --surface:#ffffff; --surface2:#efebf6; --text:#251f33; --muted:#6e6880; --line:#e3deec;
  --accent:#7c5cbf; --accent-ink:#ffffff;
  --danger:#b42318; --warn:#b54708; --high:#c2410c; --low:#64748b; --good:#2f9e6b;
  --radius:16px; --tabh:64px;
  font-family: -apple-system, "SF Arabic", "Geeza Pro", "Noto Sans Arabic", system-ui, sans-serif;
}
:root{--accent-soft:color-mix(in srgb,var(--accent) 15%,var(--surface))}
:root[data-theme=rose]{--bg:#fbf6f7;--surface2:#f5ebee;--text:#2e1f24;--muted:#7a6a70;--line:#eedfe3;--accent:#c2577a}
:root[data-theme=sand]{--bg:#faf6f0;--surface:#fffdf9;--surface2:#f2ebe0;--text:#2b241b;--muted:#776c5e;--line:#e9dfd0;--accent:#b0631c}
:root[data-theme=sea]{--bg:#f6f7f5;--surface2:#eef1ee;--text:#1c2321;--muted:#66706c;--line:#dde2df;--accent:#0f766e}
:root[data-theme=night]{--bg:#12131c;--surface:#1b1d29;--surface2:#252838;--text:#e9e8f2;--muted:#9b9ab0;--line:#2f3244;--accent:#a78bfa;--accent-ink:#1a1033;--danger:#f97066;--high:#fb923c}
@media (prefers-color-scheme: dark){
  :root:not([data-theme=night]){--bg:#121117;--surface:#1c1a24;--surface2:#262331;--text:#ece9f3;--muted:#a19cb0;--line:#312d3e;--accent-ink:#17121f;--danger:#f97066;--high:#fb923c}
  :root[data-theme=lavender]{--accent:#b39dfa}
  :root[data-theme=rose]{--accent:#f08fb0}
  :root[data-theme=sand]{--accent:#e3a15e}
  :root[data-theme=sea]{--accent:#2dd4bf}
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--text);font-size:17px;line-height:1.55;-webkit-text-size-adjust:100%;
  padding-top:env(safe-area-inset-top)}
button,input,select,textarea{font:inherit;color:inherit}
.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;
  padding:12px 20px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar h1{margin:0;font-size:22px}
main{max-width:860px;margin:0 auto;padding:16px 16px calc(var(--tabh) + 24px + env(safe-area-inset-bottom))}
.view{display:none}.view.active{display:block}
.sec{font-size:15px;color:var(--muted);margin:22px 4px 8px;font-weight:600}
.greeting{font-size:26px;font-weight:800;margin:4px 4px 14px}
.greeting small{display:block;font-size:15px;font-weight:500;color:var(--muted);margin-top:2px}
.stats{display:grid;grid-template-columns:1fr auto;gap:10px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px}
.stat b{display:block;font-size:26px}
.stat span{color:var(--muted);font-size:14px}
.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.empty{color:var(--muted);padding:10px 6px;font-size:15px}
.task{display:flex;gap:12px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px}
.task .check{flex:none;width:26px;height:26px;border-radius:50%;border:2px solid var(--muted);background:none;cursor:pointer;margin-top:1px;display:grid;place-items:center;font-size:14px}
.task.done .check{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.task.done .t-title{text-decoration:line-through;color:var(--muted)}
.task .body{flex:1;min-width:0;cursor:pointer}
.t-title{font-weight:600;overflow-wrap:anywhere}
.meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px;font-size:13px;color:var(--muted)}
.tag{background:var(--surface2);border-radius:999px;padding:1px 9px}
.tag.high{color:var(--high)}.tag.over{color:var(--danger)}
.quick-add{display:flex;gap:8px;margin-bottom:12px}
.quick-add input{flex:1}
input,select,textarea{width:100%;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:11px 13px;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--accent)}
textarea{resize:vertical}
.btn{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:10px 16px;cursor:pointer;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}
.btn.danger{color:var(--danger)}
.btn.wide{width:100%;margin:6px 0 16px}
.btn:disabled{opacity:.5}
.filters{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;margin-bottom:8px}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 14px;cursor:pointer;white-space:nowrap;font-size:15px}
.chip.on{background:var(--accent-soft);border-color:var(--accent);color:var(--text)}
.notes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.note{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px;cursor:pointer;min-height:110px}
.note h4{margin:0 0 6px;font-size:16px}
.note p{margin:0;color:var(--muted);font-size:14px;white-space:pre-wrap;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;margin-bottom:12px}
.card h3{margin:0 0 8px;font-size:16px}
.muted{color:var(--muted);font-size:14px}
.center{text-align:center}
.row{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.row>label{flex:1;min-width:140px}
.row.end{align-items:center}
.grow{flex:1}
/* chat */
#view-chat.active{display:flex;flex-direction:column;height:calc(100dvh - 60px - var(--tabh) - 40px - env(safe-area-inset-top) - env(safe-area-inset-bottom))}
.chat-log{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding:4px 2px 12px}
.msg{max-width:85%;padding:10px 14px;border-radius:18px;white-space:pre-wrap;overflow-wrap:anywhere}
.msg.user{align-self:flex-start;background:var(--accent);color:var(--accent-ink);border-bottom-right-radius:6px}
.msg.bot{align-self:flex-end;background:var(--surface);border:1px solid var(--line);border-bottom-left-radius:6px}
.msg.err{align-self:center;background:none;color:var(--danger);font-size:14px;text-align:center}
.msg.bot ul{margin:4px 0;padding-inline-start:20px}
.action{align-self:flex-end;font-size:13px;color:var(--muted);background:var(--surface2);border-radius:999px;padding:3px 12px}
.typing{align-self:flex-end;color:var(--muted);font-size:14px;padding:4px 10px}
.chat-intro{color:var(--muted);text-align:center;margin:auto;max-width:420px;padding:20px}
.chat-intro b{color:var(--text);display:block;font-size:20px;margin-bottom:6px}
.chat-form{display:flex;gap:8px;align-items:flex-end;padding-top:8px}
.chat-form textarea{max-height:160px;resize:none}
/* tabbar */
.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:6;display:flex;justify-content:center;gap:4px;
  background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(12px);border-top:1px solid var(--line);
  padding:6px 8px calc(6px + env(safe-area-inset-bottom))}
.tab{flex:1;max-width:150px;background:none;border:0;border-radius:12px;padding:6px 4px;color:var(--muted);cursor:pointer;display:flex;flex-direction:column;align-items:center;font-size:13px;gap:2px}
.tab .ic{font-size:20px;line-height:1}
.tab.on{color:var(--accent);background:var(--accent-soft)}
dialog{border:1px solid var(--line);border-radius:18px;background:var(--surface);color:var(--text);width:min(560px,calc(100vw - 32px));padding:18px}
dialog::backdrop{background:rgba(0,0,0,.35)}
dialog label{display:block;font-size:14px;color:var(--muted);margin-top:10px}
dialog label>input,dialog label>select,dialog label>textarea{margin-top:4px;color:var(--text);font-size:17px}
dialog h3{margin:0 0 4px}
.note-title{font-size:20px;font-weight:700;border:0;padding:6px 2px;background:none}
#noteForm textarea{margin-top:8px}
.toast{position:fixed;bottom:calc(var(--tabh) + 20px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--text);color:var(--bg);padding:10px 18px;border-radius:999px;opacity:0;pointer-events:none;transition:.25s;font-size:15px;z-index:20}
.toast.show{opacity:1;transform:translateX(-50%)}
@media (max-width:480px){.stats{grid-template-columns:repeat(3,1fr)}.stat b{font-size:22px}.tab{font-size:11px}}

.tag.time{color:var(--accent)}
.btn.call{font-size:20px;padding:8px 14px}
.call-panel{position:fixed;inset:0;z-index:30;background:color-mix(in srgb,var(--bg) 94%,transparent);backdrop-filter:blur(14px);display:grid;place-items:center;padding:24px}
.call-panel[hidden]{display:none}
.call-box{display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center;max-width:520px;width:100%}
.call-name{font-size:28px;font-weight:700}
.call-mic{width:150px;height:150px;border-radius:50%;border:0;background:var(--accent-soft);font-size:56px;cursor:pointer;transition:.3s}
.call-mic.live{background:var(--accent);box-shadow:0 0 0 14px var(--accent-soft);animation:pulse 1.4s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 24px transparent}}
.call-status{font-size:20px;color:var(--muted);min-height:30px}
.call-heard{font-size:18px;min-height:56px}
.call-end{background:var(--danger);color:#fff;border:0;border-radius:999px;padding:14px 32px;font-size:18px;font-weight:600;cursor:pointer;margin-top:12px}

.progress-card,.streak-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.pc-top{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.pc-top b{font-size:22px}.pc-top span{color:var(--muted);font-size:14px}
.bar{height:10px;border-radius:99px;background:var(--surface2);margin-top:10px;overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),color-mix(in srgb,var(--accent) 60%,#fff));transition:width .5s}
.streak-card{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:110px;text-align:center}
.streak-card b{font-size:24px}.streak-card span{font-size:13px;color:var(--muted)}
.sections{display:flex;flex-direction:column;gap:12px;margin-top:18px}
.section{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px 12px 12px}
.section.now{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.sec-head{display:flex;align-items:center;gap:8px;margin:0 4px 8px}
.sec-head b{font-size:17px}.sec-ic{font-size:18px}
.sec-time{color:var(--muted);font-size:13px}
.now-pill{background:var(--accent);color:var(--accent-ink);font-size:12px;border-radius:99px;padding:1px 9px;font-weight:600}
.sec-add{margin-inline-start:auto;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);background:var(--surface2);font-size:18px;line-height:1;cursor:pointer;color:var(--accent)}
.section .task{background:var(--surface2);border-color:transparent}
.empty.small{padding:4px 6px;font-size:14px}
.task.cls{border-inline-start:4px solid var(--accent)}
.cls-dot{font-size:20px;line-height:1.2}
.swatches{display:flex;flex-wrap:wrap;gap:10px}
.swatch{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 14px 6px 8px;cursor:pointer}
.swatch.on{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}
.swatch i{width:22px;height:22px;border-radius:50%;display:block}
.sw-lavender{background:#7c5cbf}.sw-rose{background:#c2577a}.sw-sand{background:#b0631c}.sw-sea{background:#0f766e}.sw-night{background:linear-gradient(135deg,#12131c 50%,#a78bfa 50%)}
.sec-times{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px}
.sec-times label{font-size:14px;color:var(--muted)}
.add-class{display:flex;flex-direction:column;gap:8px;margin-top:12px;border-top:1px solid var(--line);padding-top:12px}
.days{display:flex;flex-wrap:wrap;gap:6px}
.days label{display:flex;align-items:center;gap:4px;background:var(--surface2);border-radius:999px;padding:4px 10px;font-size:14px}
.days input{width:auto;margin:0}
.cl-day{margin-bottom:8px}.cl-day b{display:block;margin:6px 0 2px;font-size:15px}
.cl-row{display:flex;align-items:center;gap:8px;padding:6px 10px;background:var(--surface2);border-radius:10px;margin-bottom:4px;font-size:15px}
.cl-row span:first-child{flex:1}
.cl-row .x{border:0;background:none;color:var(--danger);cursor:pointer;font-size:14px}
.row>label select{margin-top:4px}