/* EduRemind — giao diện ứng dụng (ưu tiên di động) */
:root{
  --brand:#0f766e;--brand-600:#0d9488;--brand-400:#2dd4bf;--brand-50:#ecfdf8;--brand-100:#ccfbf1;
  --ink:#0f2a3d;--ink-2:#36506a;--muted:#6b7f90;--line:#e3e9e5;--line-2:#d3ddd7;
  --bg:#f5f7f2;--surface:#fff;--surface-2:#f9fbf8;--hover:#f0f5f2;
  --amber:#f59e0b;--amber-50:#fff7e6;--red:#e11d48;--red-50:#fff1f3;--green:#16a34a;--green-50:#ecfdf3;
  --shadow-1:0 1px 2px rgba(15,42,61,.06),0 2px 8px rgba(15,42,61,.04);
  --shadow-2:0 10px 30px rgba(15,42,61,.12);
  --r:16px;--r-sm:10px;
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --display:'Lexend','Be Vietnam Pro',system-ui,sans-serif;
  --tab-h:64px;--safe-b:env(safe-area-inset-bottom,0px);--safe-t:env(safe-area-inset-top,0px);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --brand:#2dd4bf;--brand-600:#14b8a6;--brand-400:#5eead4;--brand-50:#0f2c2c;--brand-100:#134e4a;
    --ink:#e6eef2;--ink-2:#b9c8d3;--muted:#8aa0b0;--line:#1f3343;--line-2:#2a4152;
    --bg:#0b1620;--surface:#12212d;--surface-2:#162836;--hover:#1a2f3e;
    --amber-50:#2d2312;--red-50:#2e1520;--green-50:#11281b;
    --shadow-1:0 1px 2px rgba(0,0,0,.3);--shadow-2:0 10px 30px rgba(0,0,0,.45);color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --brand:#2dd4bf;--brand-600:#14b8a6;--brand-400:#5eead4;--brand-50:#0f2c2c;--brand-100:#134e4a;
  --ink:#e6eef2;--ink-2:#b9c8d3;--muted:#8aa0b0;--line:#1f3343;--line-2:#2a4152;
  --bg:#0b1620;--surface:#12212d;--surface-2:#162836;--hover:#1a2f3e;
  --amber-50:#2d2312;--red-50:#2e1520;--green-50:#11281b;
  --shadow-1:0 1px 2px rgba(0,0,0,.3);--shadow-2:0 10px 30px rgba(0,0,0,.45);color-scheme:dark;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}
html,body{max-width:100%;overflow-x:hidden}
body{margin:0;font:15px/1.55 var(--font);color:var(--ink);background:var(--bg);min-height:100vh}
body.no-scroll{overflow:hidden}
h1,h2,h3{font-family:var(--display);line-height:1.25;margin:0;font-weight:600}
a{color:var(--brand)}
button{font:inherit;color:inherit}
[hidden]{display:none!important}
.ic{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.muted{color:var(--muted)}.small{font-size:.85rem}.pad{padding:4px 2px}
:focus-visible{outline:3px solid color-mix(in srgb,var(--brand) 45%,transparent);outline-offset:2px;border-radius:8px}

/* ------------ nút & form */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 18px;border-radius:12px;border:1px solid transparent;font-weight:600;font-size:.95rem;cursor:pointer;text-decoration:none;transition:background .15s,transform .06s,box-shadow .15s;background:var(--surface);color:var(--ink);white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.6;cursor:default}
.btn.primary{background:linear-gradient(180deg,#14a394,#0f766e);color:#fff;box-shadow:0 4px 14px rgba(15,118,110,.28)}
:root[data-theme="dark"] .btn.primary{background:linear-gradient(180deg,#2dd4bf,#14b8a6);color:#042f2e}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn.primary{background:linear-gradient(180deg,#2dd4bf,#14b8a6);color:#042f2e}}
.btn.primary:hover{filter:brightness(1.05)}
.btn.ghost{background:transparent;border-color:var(--line-2);color:var(--ink)}
.btn.ghost:hover{background:var(--hover)}
.btn.danger{background:var(--red);color:#fff}
.btn.danger.ghost{background:transparent;color:var(--red);border-color:color-mix(in srgb,var(--red) 30%,transparent)}
.btn.sm{min-height:36px;padding:6px 12px;font-size:.88rem;border-radius:10px}
.btn.block{width:100%}
.btn .ic{width:18px;height:18px}
.icon-btn{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:12px;border:0;background:transparent;cursor:pointer;color:var(--ink-2)}
.icon-btn:hover{background:var(--hover)}
.link{background:none;border:0;color:var(--brand);cursor:pointer;font-weight:600;display:inline-flex;gap:6px;align-items:center;padding:8px}
.link.center{display:flex;margin:10px auto 0}
.spin{width:16px;height:16px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;display:inline-block;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.form{display:flex;flex-direction:column;gap:14px}
.form label{min-width:0;display:flex;flex-direction:column;gap:6px;font-weight:500;font-size:.9rem;color:var(--ink-2)}
input,select,textarea{min-width:0;font:inherit;font-size:16px;color:var(--ink);background:var(--surface);border:1.5px solid var(--line-2);border-radius:12px;padding:10px 12px;min-height:46px;width:100%;transition:border-color .15s,box-shadow .15s}
textarea{resize:vertical;line-height:1.5}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 4px color-mix(in srgb,var(--brand-600) 18%,transparent)}
input:disabled{opacity:.5}
input[type=checkbox],input[type=radio]{width:20px;height:20px;min-height:0;accent-color:var(--brand-600);flex:none;margin:0}
.form label.check{flex-direction:row;align-items:flex-start;gap:10px;font-weight:400;font-size:.9rem}
.row2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.row3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.row3 .span{grid-column:1/-1}
.inline{display:flex;gap:8px;align-items:center}
.inline input{max-width:90px}
.form-error{background:var(--red-50);color:var(--red);border-radius:12px;padding:10px 12px;font-size:.9rem;font-weight:500}
.pw{position:relative;display:block}
.pw input{padding-right:48px}
.pw .icon-btn{position:absolute;right:2px;top:2px}
.meter{height:5px;border-radius:9px;background:var(--line);overflow:hidden;display:block}
.meter i{display:block;height:100%;width:0;transition:width .2s,background .2s}
.meter[data-s="1"] i{width:25%;background:var(--red)}.meter[data-s="2"] i{width:50%;background:var(--amber)}
.meter[data-s="3"] i{width:75%;background:#84cc16}.meter[data-s="4"] i{width:100%;background:var(--green)}
.switch{flex-direction:row!important;align-items:center;gap:12px!important;cursor:pointer;font-weight:500!important;user-select:none}
.switch input{position:absolute;opacity:0;pointer-events:none}
.switch>span{width:44px;height:26px;border-radius:99px;background:var(--line-2);position:relative;flex:none;transition:background .2s}
.switch>span::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform .2s}
.switch input:checked+span{background:var(--brand-600)}
.switch input:checked+span::after{transform:translateX(18px)}
.switch input:focus-visible+span{outline:3px solid color-mix(in srgb,var(--brand) 45%,transparent);outline-offset:2px}
.seg{display:flex;background:var(--hover);border-radius:12px;padding:4px;gap:4px}
.seg label{flex:1;cursor:pointer}
.seg input{position:absolute;opacity:0}
.seg span{display:block;text-align:center;padding:8px 10px;border-radius:9px;font-weight:600;font-size:.9rem;color:var(--muted)}
.seg input:checked+span{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-1)}
.seg input:focus-visible+span{outline:2px solid var(--brand)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip-check{cursor:pointer;flex:none}
.chip-check input{position:absolute;opacity:0}
.chip-check span{display:inline-block;padding:7px 12px;border-radius:99px;border:1.5px solid var(--line-2);font-size:.86rem;font-weight:500;color:var(--ink-2);background:var(--surface)}
.chip-check input:checked+span{background:var(--brand-50);border-color:var(--brand-600);color:var(--brand)}
.chip-check input:focus-visible+span{outline:2px solid var(--brand)}
.tag{display:inline-block;font-size:.74rem;font-weight:600;padding:2px 9px;border-radius:99px;background:var(--hover);color:var(--ink-2)}
.tag.teal{background:var(--brand-50);color:var(--brand)}

/* ------------ khởi động */
.boot{position:fixed;inset:0;display:grid;place-content:center;justify-items:center;gap:8px;background:var(--bg);text-align:center;padding:24px}
.boot img{animation:pulse 1.6s ease-in-out infinite}
.boot-name{font:700 1.4rem var(--display)}
.boot-sub{color:var(--muted);max-width:360px}
@keyframes pulse{50%{transform:scale(.92);opacity:.8}}

/* ------------ xác thực */
.auth{min-height:100vh;display:grid;place-items:center;padding:calc(24px + var(--safe-t)) 16px 32px;position:relative;overflow:hidden}
.auth-art{position:fixed;inset:0;z-index:0;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55}
.b1{width:420px;height:420px;background:#5eead4;top:-140px;left:-120px}
.b2{width:380px;height:380px;background:#fcd34d;bottom:-160px;right:-120px;opacity:.35}
.auth-card{position:relative;z-index:1;width:100%;max-width:440px;background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:28px 24px;box-shadow:var(--shadow-2)}
.auth-card h1{font-size:1.45rem;margin:14px 0 6px}
.auth-card>.muted{margin:0 0 18px}
.auth-back{position:absolute;top:14px;left:10px}
.auth-logo{display:flex;align-items:center;justify-content:center;gap:10px;font:700 1.15rem var(--display)}
.auth-hero{text-align:center;font-size:1.7rem!important;font-weight:700}
.auth-hero em{font-style:normal;background:linear-gradient(90deg,#0d9488,#f59e0b);-webkit-background-clip:text;background-clip:text;color:transparent}
.school-pill{display:flex;justify-content:center;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:.9rem;margin:4px 0 16px}
.feat{list-style:none;padding:0;margin:18px 0 22px;display:flex;flex-direction:column;gap:14px}
.feat li{display:flex;gap:12px;align-items:flex-start}
.feat li>.ic{width:40px;height:40px;padding:9px;border-radius:12px;background:var(--brand-50);color:var(--brand)}
.feat b{display:block}.feat span{color:var(--muted);font-size:.88rem}
.stack{display:flex;flex-direction:column;gap:10px}
.choice{border:0;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.choice legend{font-weight:600;font-size:.9rem;margin-bottom:6px;color:var(--ink-2)}
.radio{flex-direction:row!important;gap:12px!important;align-items:flex-start!important;border:1.5px solid var(--line-2);border-radius:14px;padding:12px;cursor:pointer;font-weight:400!important}
.radio:has(input:checked){border-color:var(--brand-600);background:var(--brand-50)}
.radio b{display:block;color:var(--ink);font-size:.92rem}.radio small{color:var(--muted)}
.match{display:flex;flex-direction:column;align-items:center;background:var(--brand-50);border-radius:16px;padding:12px;margin-bottom:14px}
.match span{font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.match b{font:700 2.6rem var(--display);color:var(--brand);letter-spacing:.06em}
.verify-opt{display:flex;gap:12px;border:1.5px solid var(--line);border-radius:14px;padding:14px;margin-bottom:12px}
.verify-opt>.ic{width:38px;height:38px;padding:8px;border-radius:10px;background:var(--hover);color:var(--brand)}
.verify-opt b{display:block}.verify-opt span{display:block;color:var(--muted);font-size:.87rem;margin:2px 0 8px}
.verify-opt .waiting{display:flex;align-items:center;gap:8px;color:var(--brand);font-weight:500}
.verify-opt.denied{opacity:.5}
.code-input{font:700 1.6rem var(--display)!important;letter-spacing:.5em;text-align:center}
.dev-code{display:flex;gap:8px;background:var(--amber-50);color:#92400e;border-radius:12px;padding:10px 12px;font-size:.88rem}
:root[data-theme="dark"] .dev-code{color:#fcd34d}
.recovery{font:600 1.05rem ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.04em;background:var(--surface-2);border:2px dashed var(--brand-600);border-radius:14px;padding:16px;text-align:center;word-break:break-all;margin:12px 0;user-select:all}
.row-btns{display:flex;gap:10px;justify-content:center;margin-bottom:16px}

/* ------------ khung ứng dụng */
.shell{min-height:100vh}
.rail{display:none}
.page{padding-bottom:calc(var(--tab-h) + var(--safe-b) + 16px)}
.appbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:6px;padding:calc(10px + var(--safe-t)) 16px 10px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent}
.appbar-title{flex:1;min-width:0}
.appbar h1{font-size:1.35rem;font-weight:700}
.appbar-sub{font-size:.78rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#syncBtn.spinning .ic{animation:spin .9s linear infinite}
#syncBtn.local{opacity:.45}
.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#14b8a6,#0f5f73);color:#fff;font:700 1rem var(--display);text-decoration:none;margin-left:4px}
.view{padding:6px 16px 24px;max-width:1180px;margin:0 auto;outline:none;min-width:0}
.page{min-width:0}

.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;height:calc(var(--tab-h) + var(--safe-b));padding-bottom:var(--safe-b);display:grid;grid-template-columns:repeat(5,1fr);align-items:center;background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line)}
.tabbar a{display:flex;flex-direction:column;align-items:center;gap:2px;text-decoration:none;color:var(--muted);font-size:.7rem;font-weight:600;padding:6px 0}
.tabbar a.on{color:var(--brand)}
.tabbar a.on .ic{stroke-width:2.4}
.tab-add{justify-self:center;width:54px;height:54px;border-radius:18px;border:0;background:linear-gradient(160deg,#14b8a6,#0f766e);color:#fff;display:grid;place-items:center;box-shadow:0 8px 20px rgba(15,118,110,.4);cursor:pointer;transform:translateY(-10px)}
.tab-add .ic{width:26px;height:26px;stroke-width:2.6}

/* ------------ hôm nay */
.hero{position:relative;overflow:hidden;border-radius:22px;padding:20px;color:#fff;background:radial-gradient(500px 200px at 100% 0,rgba(253,224,71,.28),transparent 60%),linear-gradient(135deg,#0f766e 0%,#0f5f73 60%,#12324a 100%);box-shadow:0 12px 30px rgba(15,95,115,.28);margin-bottom:14px}
.hero::after{content:"";position:absolute;right:-30px;bottom:-40px;width:160px;height:160px;border-radius:50%;border:24px solid rgba(255,255,255,.06)}
.hero-hello{margin:0;opacity:.9}
.hero-date{font-size:1.45rem;margin:2px 0 4px;font-weight:700}
.hero-lunar{margin:0;display:flex;align-items:center;gap:6px;flex-wrap:wrap;opacity:.92;font-size:.9rem}
.hero-lunar .ic{width:16px;height:16px}
.hol{background:rgba(253,224,71,.22);color:#fef08a;padding:1px 8px;border-radius:99px;font-weight:600;font-size:.82rem}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px;position:relative;z-index:1}
.hero-stats div{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:10px 12px}
.hero-stats div.warn{background:rgba(251,113,133,.28);border-color:rgba(254,205,211,.4)}
.hero-stats b{display:block;font:700 1.5rem var(--display);line-height:1.1}
.hero-stats span{font-size:.76rem;opacity:.9;display:block;line-height:1.3}
.quick{display:flex;align-items:center;gap:8px;background:var(--surface);border:1.5px solid var(--line);border-radius:16px;padding:6px 6px 6px 14px;margin-bottom:16px;box-shadow:var(--shadow-1)}
.quick>.ic{color:var(--amber)}
.quick input{border:0;min-height:42px;padding:6px 4px;background:transparent;box-shadow:none!important}
.grid-today{display:grid;gap:16px}
.block{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 14px 10px;box-shadow:var(--shadow-1);margin-bottom:16px}
.block h3{display:flex;align-items:center;gap:8px;font-size:1rem;margin:0 0 8px;padding:2px 2px}
.block h3 .ic{width:19px;height:19px;color:var(--brand)}
.block.late{border-color:color-mix(in srgb,var(--red) 30%,var(--line));background:linear-gradient(180deg,var(--red-50),var(--surface) 80px)}
.block.late h3 .ic{color:var(--red)}
.count{margin-left:auto;font:600 .75rem var(--font);background:var(--red);color:#fff;border-radius:99px;padding:1px 9px}
.count.ok{background:var(--green-50);color:var(--green)}
.block.school h3 .ic{color:#d97706}
.block.privacy{display:flex;gap:12px;align-items:flex-start;background:linear-gradient(135deg,var(--brand-50),var(--surface))}
.block.privacy>.ic{width:36px;height:36px;padding:7px;border-radius:10px;background:var(--brand-100);color:var(--brand)}
.block.privacy p{margin:2px 0 4px;color:var(--muted);font-size:.86rem}
.more{display:flex;justify-content:flex-end;align-items:center;gap:2px;font-weight:600;font-size:.88rem;text-decoration:none;padding:6px 2px}
.more .ic{width:16px;height:16px}

/* ------------ dòng công việc */
.rows{list-style:none;margin:0;padding:0}
.row-item{position:relative;border-top:1px solid var(--line);margin:0 -14px;overflow:hidden}
.row-item:first-child{border-top:0}
.row-inner{position:relative;display:flex;align-items:center;gap:10px;padding:6px 12px 6px 16px;background:var(--surface);touch-action:pan-y;z-index:1;will-change:transform}
.row-inner::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:0 4px 4px 0;background:var(--c)}
.row-inner.swiping{transition:none}
.row-inner.back{transition:transform .22s ease}
.row-bg{position:absolute;inset:0;display:flex;justify-content:space-between;align-items:center;padding:0 20px;font-weight:700;color:#fff;background:var(--line-2)}
.row-bg span{display:flex;align-items:center;gap:8px;opacity:0;transition:opacity .1s}
.row-item.sw-right .row-bg{background:var(--green)}.row-item.sw-right .bg-done{opacity:1}
.row-item.sw-left .row-bg{background:var(--red)}.row-item.sw-left .bg-del{opacity:1}
.row-item.removing{transition:max-height .25s ease,opacity .25s;max-height:0!important;opacity:0}
.row-del{flex:none;width:36px;height:36px;border:0;border-radius:10px;background:transparent;color:var(--muted);display:grid;place-items:center;cursor:pointer;opacity:0;transition:opacity .15s}
.row-del:hover{background:var(--red-50);color:var(--red)}
.row-item:hover .row-del,.row-del:focus-visible{opacity:1}
@media (hover:none){.row-del{display:none}}
.tick{flex:none;width:28px;height:28px;border-radius:9px;border:2px solid color-mix(in srgb,var(--c) 70%,var(--line-2));background:transparent;display:grid;place-items:center;cursor:pointer;color:transparent;transition:all .15s}
.tick .ic{width:16px;height:16px;stroke-width:3}
.tick:hover{background:color-mix(in srgb,var(--c) 12%,transparent)}
.is-done .tick{background:var(--c);border-color:var(--c);color:#fff}
.row-ic{flex:none;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;background:color-mix(in srgb,var(--c) 15%,transparent);color:var(--c)}
.row-ic .ic{width:16px;height:16px}
.row-main{flex:1;min-width:0;text-align:left;background:none;border:0;padding:8px 4px;cursor:pointer;border-radius:10px;display:flex;flex-direction:column;gap:3px}
.row-main:hover{background:var(--hover)}
.row-title{font-weight:600;font-size:.96rem;display:flex;align-items:center;gap:6px;overflow-wrap:anywhere}
.is-done .row-title{text-decoration:line-through;color:var(--muted);font-weight:500}
.row-meta{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:.78rem;color:var(--muted)}
.row-meta span{display:inline-flex;align-items:center;gap:4px}
.row-meta .ic{width:13px;height:13px}
.cat-dot{color:var(--c);font-weight:600}
.is-late .row-meta span:nth-child(2){color:var(--red);font-weight:600}
.flag{width:15px!important;height:15px!important;color:var(--red);fill:color-mix(in srgb,var(--red) 25%,transparent)}
.rows.compact .row-main{padding:6px 4px}
.empty{text-align:center;padding:18px 12px 14px;color:var(--muted)}
.empty img{opacity:.95;margin-bottom:4px}
.empty b{display:block;color:var(--ink);font-family:var(--display);font-size:1rem}
.empty p{margin:4px auto 12px;max-width:320px;font-size:.88rem}

/* ------------ lịch */
.cal-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:16px}
.cal-wrap>*{min-width:0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-1)}
.cal{padding:10px 8px}
.cal-head{display:flex;align-items:center;gap:2px;margin-bottom:8px;min-width:0}
.cal-head .btn{flex:none;padding:6px 10px}
.cal-title{flex:1;text-align:center;min-width:0}
.cal-title small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cal-title b{display:block;font:700 1.1rem var(--display)}
.cal-title small{color:var(--muted);font-size:.78rem}
.wk{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));text-align:center;font-size:.75rem;font-weight:700;color:var(--muted);padding:4px 0}
.wk .sun{color:var(--red)}
.grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:2px}
.cell{aspect-ratio:1/1.08;border:0;background:transparent;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:5px 0 3px;cursor:pointer;position:relative;min-width:0}
.cell:hover{background:var(--hover)}
.cell .sd{font-weight:600;font-size:.98rem;line-height:1.3}
.cell .ld{font-size:.64rem;color:var(--muted);line-height:1.1}
.cell .ld.strong{color:var(--red);font-weight:700}
.cell.sun .sd{color:var(--red)}
.cell.out{opacity:.38}
.cell.hol .sd{color:#d97706}
.cell.today{background:var(--brand-50)}
.cell.today .sd{color:var(--brand)}
.cell.sel{background:var(--brand-600);color:#fff}
.cell.sel .sd,.cell.sel .ld{color:#fff}
.dots{display:flex;gap:2px;margin-top:auto;height:6px;align-items:center}
.dots i{width:5px;height:5px;border-radius:50%;background:var(--c)}
.dots i.d{opacity:.35}
.dots b{font-size:.6rem;line-height:1}
.cell.sel .dots i{box-shadow:0 0 0 1px #fff}
.day-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px;box-shadow:var(--shadow-1)}
.day-head{display:flex;gap:10px;align-items:flex-start;justify-content:space-between;margin-bottom:6px}
.day-head h3{font-size:1.05rem}
.day-head p{margin:2px 0 0;font-size:.82rem;display:flex;gap:4px;align-items:center;flex-wrap:wrap}
.day-head .ic{width:14px;height:14px}
.day-head .hol{color:#b45309;background:var(--amber-50)}

/* ------------ danh sách */
.list-tools{display:flex;flex-direction:column;gap:12px;margin-bottom:14px}
.search{display:flex;align-items:center;gap:8px;background:var(--surface);border:1.5px solid var(--line);border-radius:14px;padding:0 12px}
.search .ic{color:var(--muted)}
.search input{border:0;background:transparent;box-shadow:none!important;padding-left:0}
.tabs{display:flex;gap:4px;background:var(--hover);padding:4px;border-radius:12px;overflow-x:auto}
.tabs button{flex:1;border:0;background:transparent;padding:8px 10px;border-radius:9px;font-weight:600;font-size:.88rem;color:var(--muted);cursor:pointer;white-space:nowrap}
.tabs button.on{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-1)}
.filter-row{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;margin:0 -16px;padding-left:16px;padding-right:16px}
.filter-row::-webkit-scrollbar{display:none}
.fchip{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;border:1.5px solid var(--line-2);background:var(--surface);border-radius:99px;padding:6px 12px;font-size:.84rem;font-weight:600;cursor:pointer;color:var(--ink-2)}
.fchip .ic{width:15px;height:15px;color:var(--c,var(--brand))}
.fchip.on{background:var(--ink);color:var(--surface);border-color:var(--ink)}
.fchip.on .ic{color:inherit}

/* ------------ thông báo trường */
.ann-list{list-style:none;margin:0;padding:0}
.ann button{width:100%;display:flex;align-items:center;gap:14px;background:none;border:0;border-top:1px solid var(--line);padding:12px 4px;text-align:left;cursor:pointer;border-radius:10px}
.ann:first-child button{border-top:0}
.ann button:hover{background:var(--hover)}
.ann.past{opacity:.55}
.ann-date{flex:none;width:54px;height:58px;border-radius:14px;background:var(--amber-50);color:#b45309;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px solid color-mix(in srgb,#f59e0b 30%,transparent)}
.ann-date b{font:700 1.35rem var(--display);line-height:1}
.ann-date span{font-size:.72rem;font-weight:600}
.ann-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}
.ann-body b{font-size:.97rem}
.ann-body .tag{align-self:flex-start;background:var(--amber-50);color:#b45309}
.ann-body .muted{font-size:.8rem}
.ann-detail h3{font-size:1.2rem;margin:8px 0 10px}
.ann-detail .kv{list-style:none;padding:0;margin:0 0 12px;display:flex;flex-direction:column;gap:8px}
.ann-detail .kv li{display:flex;gap:10px;align-items:center;color:var(--ink-2)}
.ann-detail .kv .ic{color:var(--brand)}
.ann-content{background:var(--surface-2);border-radius:12px;padding:12px 14px;line-height:1.65}

/* ------------ cài đặt */
.settings{display:grid;gap:14px}
.set{padding:16px}
.set h3{display:flex;align-items:center;gap:8px;font-size:1rem;margin-bottom:12px}
.set h3 .ic{color:var(--brand)}
.set-foot{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-top:6px}
.set-foot .muted{display:inline-flex;align-items:center;gap:6px}
.set-foot .ic{width:15px;height:15px}
.set-line{display:flex!important;flex-direction:row!important;justify-content:space-between;align-items:center;gap:12px;padding:10px 0;border-top:1px solid var(--line);font-weight:500;color:var(--ink)}
.set-line small{display:block;font-weight:400;font-size:.8rem}
.set-line .w-auto{width:auto;min-width:120px}
.set-block{padding:10px 0;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px;font-weight:500}
.set-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.set .switch{display:flex;padding:10px 0;border-top:1px solid var(--line)}
.set .seg{margin-bottom:8px}
.file-btn{cursor:pointer}
.perms ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.perms li{display:flex;gap:10px;align-items:flex-start;font-weight:500}
.perms li small{display:block;font-weight:400;color:var(--muted);font-size:.8rem}
.perms li.ok .ic{color:var(--green)}.perms li.no .ic{color:var(--red)}
.perms .btn{align-self:flex-start}
.e2e{background:var(--brand-50);border-radius:12px;padding:12px 14px;font-size:.88rem;color:var(--ink-2);margin-bottom:6px}
.e2e p{margin:0}
.warn-box{display:flex;gap:8px;background:var(--amber-50);color:#92400e;border-radius:12px;padding:10px 12px;font-size:.88rem;margin:0}
:root[data-theme="dark"] .warn-box{color:#fcd34d}
.devices{list-style:none;padding:0;margin:0 0 12px}
.devices li{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
.devices li:first-child{border-top:0}
.devices li>div{flex:1;min-width:0}
.devices small{display:block}
.devices li>.ic{color:var(--brand)}

/* ------------ sheet */
.sheet-wrap{position:fixed;inset:0;z-index:100;display:flex;align-items:flex-end;justify-content:center}
.sheet-backdrop{position:absolute;inset:0;background:rgba(8,20,30,.45);opacity:0;transition:opacity .22s}
.sheet{position:relative;width:100%;max-height:92vh;background:var(--surface);border-radius:24px 24px 0 0;box-shadow:var(--shadow-2);display:flex;flex-direction:column;transform:translateY(100%);transition:transform .26s cubic-bezier(.2,.8,.2,1);padding-bottom:var(--safe-b)}
.sheet-wrap.open .sheet{transform:none}
.sheet-wrap.open .sheet-backdrop{opacity:1}
.sheet-grip{width:44px;height:5px;border-radius:9px;background:var(--line-2);margin:8px auto 0}
.sheet-head{display:flex;align-items:center;gap:8px;padding:6px 10px 6px 20px}
.sheet-head h2{flex:1;font-size:1.1rem}
.sheet-body{overflow-y:auto;overflow-x:hidden;padding:4px 20px 20px;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
.sheet-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:8px;position:sticky;bottom:-20px;background:var(--surface);padding:12px 0 6px}
.sheet-actions .btn.primary{flex:1;max-width:240px}
.confirm-msg{margin:4px 0 8px;line-height:1.6}
.editor .title-input{font:600 1.15rem var(--font);border:0;border-bottom:2px solid var(--line);border-radius:0;padding:10px 2px;box-shadow:none!important}
.editor .title-input:focus{border-bottom-color:var(--brand-600)}
.cat-row{display:flex;gap:8px;overflow-x:auto;padding:2px 0 6px;scrollbar-width:none;margin:0 -20px;padding-left:20px;padding-right:20px}
.cat-row::-webkit-scrollbar{display:none}
.cat-chip{flex:none;flex-direction:row!important;align-items:center;gap:6px!important;cursor:pointer;white-space:nowrap;border:1.5px solid var(--line-2);border-radius:99px;padding:7px 12px;font-size:.85rem!important;font-weight:600!important;color:var(--ink-2)!important}
.cat-chip input{position:absolute;opacity:0}
.cat-chip .ic{width:16px;height:16px;color:var(--c)}
.cat-chip:has(input:checked){background:var(--c);border-color:var(--c);color:#fff!important}
.cat-chip:has(input:checked) .ic{color:#fff}
.cat-chip:has(input:focus-visible){outline:2px solid var(--brand)}
.date-hint{font-size:.84rem;color:var(--muted);display:flex;align-items:center;gap:6px;margin-top:-6px;flex-wrap:wrap}
.date-hint .ic{width:15px;height:15px}
.wd-row{display:flex;gap:6px;justify-content:space-between}
.wd{flex:1}
.wd input{position:absolute;opacity:0}
.wd span{display:grid;place-items:center;height:40px;border-radius:12px;border:1.5px solid var(--line-2);font-weight:700;font-size:.84rem;cursor:pointer}
.wd input:checked+span{background:var(--brand-600);border-color:var(--brand-600);color:#fff}
fieldset.plain{border:0;padding:0;margin:0}
fieldset.plain legend{display:flex;align-items:center;gap:6px;font-weight:600;font-size:.9rem;color:var(--ink-2);margin-bottom:8px;padding:0}
fieldset.plain legend .ic{width:17px;height:17px}
.custom-alert{display:flex;gap:8px;margin-top:10px}
.custom-alert input{max-width:90px}
.custom-alert select{max-width:110px}
.enc-note{display:flex;align-items:center;justify-content:center;gap:6px;font-size:.78rem;color:var(--muted);margin:0}
.enc-note .ic{width:14px;height:14px}
.approve{text-align:center}
.approve>.ic{width:52px;height:52px;padding:12px;border-radius:16px;background:var(--brand-50);color:var(--brand);margin:4px auto 6px;display:block}
.nums{display:flex;gap:12px;justify-content:center;margin:14px 0 18px}
.num{width:76px;height:76px;border-radius:20px;border:2px solid var(--line-2);background:var(--surface);font:700 1.8rem var(--display);cursor:pointer}
.num:hover{border-color:var(--brand-600);background:var(--brand-50);color:var(--brand)}

/* ------------ toast */
.toasts{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(var(--tab-h) + var(--safe-b) + 16px);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;width:calc(100% - 32px);max-width:420px}
.toast{display:flex;align-items:center;gap:10px;background:#0f2a3d;color:#fff;padding:11px 16px;border-radius:14px;box-shadow:var(--shadow-2);font-size:.9rem;font-weight:500;opacity:0;transform:translateY(10px);transition:all .25s;pointer-events:auto}
.toast.in{opacity:1;transform:none}
.toast.success .ic{color:#5eead4}.toast.error{background:#9f1239}.toast .ic{width:18px;height:18px}
.toast-act{margin-left:auto;background:none;border:0;color:#5eead4;font-weight:700;cursor:pointer;padding:4px 6px;white-space:nowrap}

/* ------------ robot & chat */
.robot{position:fixed;right:14px;bottom:calc(var(--tab-h) + var(--safe-b) + 14px);z-index:40;display:flex;flex-direction:column;align-items:flex-end;gap:8px;pointer-events:none}
.robot>*{pointer-events:auto}
.robot-btn{width:64px;height:64px;border:0;border-radius:50%;background:radial-gradient(circle at 30% 25%,#fff,#e1f5f1);box-shadow:0 8px 24px rgba(15,95,115,.3),inset 0 0 0 2px rgba(20,184,166,.35);display:grid;place-items:center;cursor:pointer;animation:float 4s ease-in-out infinite;padding:0}
.robot-btn img{width:52px;height:52px}
.robot-btn.wave{animation:wave .6s ease-in-out 2}
@keyframes float{50%{transform:translateY(-5px)}}
@keyframes wave{25%{transform:rotate(-12deg)}75%{transform:rotate(12deg)}}
.robot-bubble{max-width:min(300px,calc(100vw - 100px));background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:18px 18px 4px 18px;box-shadow:var(--shadow-2);padding:12px 30px 12px 14px;font-size:.9rem;line-height:1.5;position:relative;cursor:pointer;opacity:0;transform:translateY(8px) scale(.96);transform-origin:bottom right;transition:all .2s}
.robot-bubble.show{opacity:1;transform:none}
.bubble-x{position:absolute;top:4px;right:6px;border:0;background:none;font-size:1.2rem;line-height:1;color:var(--muted);cursor:pointer;padding:4px}
.chat{position:fixed;z-index:60;right:0;left:0;bottom:0;height:min(78vh,640px);background:var(--surface);border-radius:24px 24px 0 0;box-shadow:var(--shadow-2);display:flex;flex-direction:column;transform:translateY(100%);transition:transform .22s ease;padding-bottom:var(--safe-b)}
.chat.open{transform:none}
.chat-head{display:flex;align-items:center;gap:10px;padding:12px 10px 10px 16px;border-bottom:1px solid var(--line)}
.chat-head div{flex:1;min-width:0}
.chat-head b{display:block;font-family:var(--display)}
.chat-head small{color:var(--muted);font-size:.78rem}
.chat-body{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;overscroll-behavior:contain}
.msg{max-width:86%;padding:10px 13px;border-radius:16px;font-size:.92rem;line-height:1.55}
.msg.bot{background:var(--surface-2);border:1px solid var(--line);border-bottom-left-radius:4px;align-self:flex-start}
.msg.me{background:var(--brand-600);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}
.msg.typing .msg-text{animation:pulse 1s infinite}
.msg-src{margin-top:6px;font-size:.78rem;color:var(--brand);font-weight:600}
.msg-note{margin-top:6px;font-size:.72rem;color:var(--muted)}
.chat-chips{display:flex;gap:6px;overflow-x:auto;padding:0 12px 8px;scrollbar-width:none}
.chat-chips::-webkit-scrollbar{display:none}
.chat-chips .chip{white-space:nowrap;border:1.5px solid var(--line-2);background:var(--surface);border-radius:99px;padding:6px 12px;font-size:.82rem;cursor:pointer;color:var(--ink-2)}
.chat-chips .chip:hover{border-color:var(--brand-600);color:var(--brand)}
.chat-form{display:flex;gap:6px;padding:8px 10px 10px;border-top:1px solid var(--line)}
.chat-form .send{background:var(--brand-600);color:#fff;flex:none}

/* ------------ tablet & desktop */
@media (min-width:720px){
  .view{padding:8px 24px 32px}
  .appbar{padding-left:24px;padding-right:24px}
  .sheet-wrap{align-items:center;padding:24px}
  .sheet{max-width:520px;border-radius:24px;transform:translateY(24px) scale(.98);opacity:0;transition:transform .2s,opacity .2s;max-height:88vh}
  .sheet.wide{max-width:640px}
  .sheet.small{max-width:440px}
  .sheet-wrap.open .sheet{opacity:1}
  .sheet-grip{display:none}
  .sheet-head{padding-top:14px}
  .chat{left:auto;right:24px;bottom:24px;width:400px;border-radius:24px;height:min(620px,calc(100vh - 120px))}
  .hero{padding:24px 28px}
  .hero-date{font-size:1.7rem}
  .settings{grid-template-columns:1fr 1fr;align-items:start}
  .filter-row{margin:0;padding:0 0 4px}
}
@media (min-width:960px){
  .shell{display:grid;grid-template-columns:256px 1fr}
  .rail{display:flex;flex-direction:column;position:sticky;top:0;height:100vh;padding:20px 14px;border-right:1px solid var(--line);background:var(--surface)}
  .rail-brand{display:flex;align-items:center;gap:10px;font:700 1.15rem var(--display);padding:0 8px 18px}
  .rail-add{margin:0 4px 16px}
  .rail-nav{display:flex;flex-direction:column;gap:2px}
  .rail-nav a{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:12px;color:var(--ink-2);text-decoration:none;font-weight:600}
  .rail-nav a:hover{background:var(--hover)}
  .rail-nav a.on{background:var(--brand-50);color:var(--brand)}
  .rail-foot{margin-top:auto}
  .e2e-badge{display:flex;gap:10px;align-items:center;background:var(--brand-50);border-radius:14px;padding:12px;font-weight:600;font-size:.86rem;color:var(--brand)}
  .e2e-badge small{color:var(--muted);font-weight:500}
  .tabbar{display:none}
  .page{padding-bottom:24px}
  .robot{bottom:24px;right:24px}
  .toasts{bottom:24px}
  .grid-today{grid-template-columns:minmax(0,1fr) 340px;align-items:start}
  .cal-wrap{grid-template-columns:minmax(0,1.35fr) minmax(320px,1fr);align-items:start}
  .day-panel{position:sticky;top:84px}
  .cell{aspect-ratio:auto;min-height:74px}
  .cell .sd{font-size:1.05rem}
  .cell .ld{font-size:.7rem}
}
@media (max-width:380px){
  .view{padding-left:10px;padding-right:10px}
  .cell .sd{font-size:.9rem}
  .cell .ld{font-size:.58rem}
  .cal-title b{font-size:1rem}
  .row3{grid-template-columns:1fr 1fr}
  .hero-stats b{font-size:1.25rem}
  .hide-sm{display:none}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ------------ chuông báo (web) */
.ring-screen{position:fixed;inset:0;z-index:500;display:grid;place-items:center;padding:24px;background:linear-gradient(160deg,#0f766e,#12324a);color:#fff;text-align:center}
.ring-in{width:100%;max-width:380px;display:flex;flex-direction:column;gap:12px}
.ring-bell{font-size:4.5rem;animation:wave .5s ease-in-out infinite}
.ring-screen h2{font-size:1.6rem;color:#fff}
.ring-screen p{margin:0 0 24px;color:#ccfbf1}
.ring-stop{background:#fff;color:#0f766e;min-height:54px;font-size:1.05rem}
.ring-snooze{background:rgba(255,255,255,.12);color:#fff;min-height:54px;border:1px solid rgba(255,255,255,.25)}
.style-seg span{display:flex;align-items:center;justify-content:center;gap:4px;font-size:.84rem}
.style-seg .ic{width:15px;height:15px}
.set .seg span{display:flex;align-items:center;justify-content:center;gap:6px}
.next-alert{display:flex;gap:8px;align-items:flex-start;margin-top:10px;padding:10px 12px;border-radius:12px;background:var(--brand-50);color:var(--ink-2);font-size:.86rem}
.next-alert .ic{width:17px;height:17px;color:var(--brand);flex:none;margin-top:1px}
.next-alert.warn{background:var(--amber-50);color:#92400e}
.next-alert.warn .ic{color:#d97706}
input.dim{opacity:.45}
.diag-out{background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:10px 12px;font-size:.85rem;font-weight:400;display:flex;flex-direction:column;gap:4px}
.diag-out ul{margin:2px 0 0;padding-left:4px;list-style:none}
.diag-out .warn{color:#b45309}
.diag>span{display:flex;align-items:center;gap:6px}
.kv-list{list-style:none;margin:0 0 4px;padding:0}
.kv-list li{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px dashed var(--line);font-size:.9rem}
.kv-list li:last-child{border-bottom:0}
.kv-list span{color:var(--muted)}
.warn-text{color:#b45309;font-weight:600}