/* ============================================================
   Tang thich ung — nap SAU cung.
     1. Chu de sang / toi
     2. Sua loi thuc te tren iPhone
     3. Responsive tu 320px den tablet, ca xoay ngang
     4. Toast day du cho mobile

   Bang mau SANG da chay dataviz/scripts/validate_palette.js --mode light:
     accent #0891B2 · long #15803D · short #E8384F · watch #7C3AED
     lightness band PASS · chroma PASS · normal-vision PASS · contrast PASS
     CVD 6.9 (protan) — nam trong khoang 6-8, chi hop le KHI co ma hoa
     phu; app luon kem chu LONG/SHORT + mui ten nen dat dieu kien.

   Luu y: nen sang KHONG phai lat nguoc nen toi. Xanh la phai dam han
   (#15803D chu khong phai #4ADE80) va do phai dam hon, vi tren nen
   sang hai mau nay tien lai gan nhau du doi voi mat thuong.
   ============================================================ */

/* ══ 1. TOKEN CHU DE ══════════════════════════════════════ */

/* Nhung gia tri truoc day bi hardcode rai rac trong styles.css.
   Dua het ve bien de doi chu de chi con la doi mot bo token. */
:root {
  --fill-1: rgba(255, 255, 255, 0.04); /* o con lom */
  --fill-2: rgba(255, 255, 255, 0.06); /* nhan, pill */
  --fill-3: rgba(255, 255, 255, 0.09); /* noi bat nhe */
  --chrome: linear-gradient(180deg, rgba(10, 12, 18, 0.82), rgba(10, 12, 18, 0.42));
  --chrome-bottom: linear-gradient(180deg, rgba(10, 12, 18, 0.55), rgba(10, 12, 18, 0.9));
  --sunken: inset 0 1px 3px rgba(0, 0, 0, 0.35);
  --tip-bg: rgba(20, 24, 34, 0.92);
  --toast-bg: rgba(16, 20, 29, 0.8);
  --ring: rgba(77, 225, 255, 0.55);
  --ring-glow: rgba(77, 225, 255, 0.14);
  --on-accent: #032530;
  --scrim: rgba(3, 5, 9, 0.72);
}

:root[data-theme="light"] {
  --bg: #eef1f6;
  --bg-deep: #e4e9f0;

  /* Kinh tren nen sang: lop phu TRANG dam hon + vien muc nhat,
     chu khong phai lat nguoc thong so cua nen toi. */
  --glass-top: rgba(255, 255, 255, 0.92);
  --glass-bot: rgba(255, 255, 255, 0.72);
  --glass-base: rgba(255, 255, 255, 0.66);
  --glass-solid: #ffffff;
  --brd: rgba(12, 22, 44, 0.1);
  --brd-soft: rgba(12, 22, 44, 0.065);

  --edge: inset 1px 1px 0 rgba(255, 255, 255, 0.9),
    inset -1px -1px 0 rgba(12, 22, 44, 0.05);
  --lift-1: 0 1px 2px rgba(16, 24, 40, 0.06), 0 10px 22px -14px rgba(16, 24, 40, 0.28);
  --lift-2: 0 2px 4px rgba(16, 24, 40, 0.07), 0 22px 44px -20px rgba(16, 24, 40, 0.34);
  --lift: var(--lift-1);

  --ink: #0d1526;
  --ink-2: #4c5769;
  --ink-3: #78849a;

  --accent: #0891b2;
  --long: #15803d;
  --short: #e8384f;
  --watch: #7c3aed;

  --accent-wash: rgba(8, 145, 178, 0.11);
  --long-wash: rgba(21, 128, 61, 0.11);
  --short-wash: rgba(232, 56, 79, 0.11);
  --watch-wash: rgba(124, 58, 237, 0.11);

  --track: rgba(12, 22, 44, 0.09);

  --fill-1: rgba(12, 22, 44, 0.035);
  --fill-2: rgba(12, 22, 44, 0.055);
  --fill-3: rgba(12, 22, 44, 0.08);
  --chrome: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.62));
  --chrome-bottom: linear-gradient(180deg, rgba(255, 255, 255, 0.66), rgba(255, 255, 255, 0.94));
  --sunken: inset 0 1px 2px rgba(12, 22, 44, 0.07);
  --tip-bg: rgba(255, 255, 255, 0.96);
  --toast-bg: rgba(255, 255, 255, 0.9);
  --ring: rgba(8, 145, 178, 0.55);
  --ring-glow: rgba(8, 145, 178, 0.16);
  --on-accent: #ffffff;
  --scrim: rgba(28, 36, 52, 0.42);

  color-scheme: light;
}

/* Chua chon gi thi theo he dieu hanh */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #eef1f6; --bg-deep: #e4e9f0;
    --glass-top: rgba(255, 255, 255, 0.92);
    --glass-bot: rgba(255, 255, 255, 0.72);
    --glass-base: rgba(255, 255, 255, 0.66);
    --glass-solid: #ffffff;
    --brd: rgba(12, 22, 44, 0.1);
    --brd-soft: rgba(12, 22, 44, 0.065);
    --edge: inset 1px 1px 0 rgba(255, 255, 255, 0.9), inset -1px -1px 0 rgba(12, 22, 44, 0.05);
    --lift-1: 0 1px 2px rgba(16, 24, 40, 0.06), 0 10px 22px -14px rgba(16, 24, 40, 0.28);
    --lift-2: 0 2px 4px rgba(16, 24, 40, 0.07), 0 22px 44px -20px rgba(16, 24, 40, 0.34);
    --lift: var(--lift-1);
    --ink: #0d1526; --ink-2: #4c5769; --ink-3: #78849a;
    --accent: #0891b2; --long: #15803d; --short: #e8384f; --watch: #7c3aed;
    --accent-wash: rgba(8, 145, 178, 0.11);
    --long-wash: rgba(21, 128, 61, 0.11);
    --short-wash: rgba(232, 56, 79, 0.11);
    --watch-wash: rgba(124, 58, 237, 0.11);
    --track: rgba(12, 22, 44, 0.09);
    --fill-1: rgba(12, 22, 44, 0.035);
    --fill-2: rgba(12, 22, 44, 0.055);
    --fill-3: rgba(12, 22, 44, 0.08);
    --chrome: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.62));
    --chrome-bottom: linear-gradient(180deg, rgba(255, 255, 255, 0.66), rgba(255, 255, 255, 0.94));
    --sunken: inset 0 1px 2px rgba(12, 22, 44, 0.07);
    --tip-bg: rgba(255, 255, 255, 0.96);
    --toast-bg: rgba(255, 255, 255, 0.9);
    --ring: rgba(8, 145, 178, 0.55);
    --ring-glow: rgba(8, 145, 178, 0.16);
    --on-accent: #ffffff;
    --scrim: rgba(28, 36, 52, 0.42);
    color-scheme: light;
  }
}

/* ── Noi hoa token vao cac rule truoc day hardcode ────────── */

.appbar { background: var(--chrome); }
.tabbar { background: var(--chrome-bottom); }

.perp-tag, .live, .grade, .chg, .badge, .alert i, .toast i,
.gauge-track { background: var(--fill-2); }

.vs-side, .plan-grid > div, .pos-legs div, .pos-size div, .perf-card,
.pos-action, .alert, .hist-row, .perf-trade, .msg.agent, .seg,
input, .strip-cell { background: var(--fill-1); }

.msg.agent { background: var(--fill-2); }
.hist-row:hover { background: var(--fill-3); }
.cta:disabled { background: var(--fill-2); }
.bucket-fill.is-empty { background: var(--fill-3); }
.empty-art { fill: var(--fill-3); }
.spark-tip { background: var(--tip-bg); }
.toast { background: var(--toast-bg); }
.strip { background: linear-gradient(180deg, var(--glass-top), var(--glass-bot)), var(--glass-base); }

input, .seg { box-shadow: var(--sunken); }
input:focus { border-color: var(--ring); box-shadow: var(--sunken), 0 0 0 3px var(--ring-glow); }

/* Nut chinh truoc day hardcode gradient cyan cua che do TOI, nen o che
   do sang no choi hon moi diem nhan khac. Dua ve token de hai che do
   dung dung sac cua minh. */
:root {
  --cta-grad: linear-gradient(180deg, #7eeaff, #2cc4ec);
  --cta-grad-long: linear-gradient(180deg, #7bf0a8, #2fc96a);
  --cta-grad-short: linear-gradient(180deg, #ff8ba3, #f04568);
}
:root[data-theme="light"] {
  --cta-grad: linear-gradient(180deg, #21a9c6, #0a83a0);
  --cta-grad-long: linear-gradient(180deg, #27a35c, #136c34);
  --cta-grad-short: linear-gradient(180deg, #f05467, #d02742);
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --cta-grad: linear-gradient(180deg, #21a9c6, #0a83a0);
    --cta-grad-long: linear-gradient(180deg, #27a35c, #136c34);
    --cta-grad-short: linear-gradient(180deg, #f05467, #d02742);
  }
}

.cta, .msg.user, .chat-form button { background: var(--cta-grad); color: var(--on-accent); }
.cta.long { background: var(--cta-grad-long); }
.cta.short { background: var(--cta-grad-short); }
:root[data-theme="light"] .cta.long,
:root[data-theme="light"] .cta.short { color: #fff; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .cta.long,
  :root:not([data-theme="dark"]) .cta.short { color: #fff; }
}
.cta:disabled { background: var(--fill-2); color: var(--ink-3); }

/* Vong nen quanh cham gia hien tai / diem cuoi tia gia phai doi theo nen */
.rail-now { background: var(--ink); box-shadow: 0 0 0 2.5px var(--glass-solid), 0 0 14px var(--track); }
.spark .sp-dot { stroke: var(--glass-solid); }
.gauge-tick { stroke: var(--bg); }
.nav-dot { box-shadow: 0 0 0 2px var(--bg), 0 0 10px var(--short); }

/* Nen sang: bo bot phat sang, vi glow tren nen trang trong ban */
:root[data-theme="light"] .side-head,
:root[data-theme="light"] .hero-figure,
:root[data-theme="light"] .pnl-val { text-shadow: none; }

:root[data-theme="light"] .gauge-fill.ready,
:root[data-theme="light"] .gauge-fill.watch { filter: none; }

:root[data-theme="light"] .spark .sp-line,
:root[data-theme="light"] .spark .sp-dot,
:root[data-theme="light"] .pair-icon svg,
:root[data-theme="light"] .tab.is-active svg { filter: none; }

:root[data-theme="light"] .bucket-fill,
:root[data-theme="light"] .vs-bar i,
:root[data-theme="light"] .pos-progress i,
:root[data-theme="light"] .rail-zone,
:root[data-theme="light"] .rail-mark,
:root[data-theme="light"] .live .dot { box-shadow: none; }

/* Aurora tren nen sang: rat nhat, neu khong se thanh vet loang */
:root[data-theme="light"] .phone::before {
  background:
    radial-gradient(68% 30% at 6% -4%, rgba(8, 145, 178, 0.13), transparent 66%),
    radial-gradient(62% 28% at 100% 4%, rgba(124, 58, 237, 0.11), transparent 64%),
    radial-gradient(110% 40% at 20% 96%, rgba(21, 128, 61, 0.06), transparent 72%),
    var(--bg);
}
:root[data-theme="light"] .phone::after { opacity: 0.02; }

/* Vet sang duoi day the la thu cua nen toi */
:root[data-theme="light"] .card::after { display: none; }

/* Nut chuyen chu de */
.theme-btn svg { transition: transform 0.4s var(--ease), opacity 0.25s var(--ease); }
.theme-btn .sun { display: none; }
:root[data-theme="light"] .theme-btn .sun { display: block; }
:root[data-theme="light"] .theme-btn .moon { display: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .theme-btn .sun { display: block; }
  :root:not([data-theme="dark"]) .theme-btn .moon { display: none; }
}

/* Doi chu de: cho phep mau chuyen muot thay vi giat */
.theme-shifting,
.theme-shifting *,
.theme-shifting *::before,
.theme-shifting *::after {
  transition: background-color 0.32s var(--ease), color 0.32s var(--ease),
    border-color 0.32s var(--ease), fill 0.32s var(--ease),
    stroke 0.32s var(--ease) !important;
}

/* ══ 2. SUA LOI THUC TE TREN IPHONE ═══════════════════════ */

/* Safari zoom ca trang khi focus vao input co font-size < 16px.
   Day la nguyen nhan layout nhay moi lan cham o nhap tren iPhone. */
input, select, textarea { font-size: 16px; }

/* Nhung nhan nho van giu duoc co cu vi chung khong nhan focus */
.fields label { font-size: var(--fs-2xs); }

/* 100% / 100vh khong tru thanh dia chi dong cua Safari -> thanh tab bi
   khuat. dvh bam theo vung nhin thuc te. */
html, body { height: 100vh; height: 100dvh; }
.phone { height: 100vh; height: 100dvh; }

/* Chan keo dan toan trang (rubber band) cua iOS */
body { overscroll-behavior: none; -webkit-overflow-scrolling: touch; }

/* Bo o sang xanh khi cham tren iOS/Android */
* { -webkit-tap-highlight-color: transparent; }

/* Chan zoom ngoai y muon TREN TOAN TRANG, khong chi tren nut.

   Truoc day chi dat cho button/.tab/.chip nen cham hai lan vao chu hoac
   vao the van phong to ca trang — day la nguyen nhan chinh cua viec
   "tu nhien zoom to ra".

   'pan-x pan-y' = cho phep keo/cuon, KHONG cho pinch-zoom va KHONG cho
   double-tap zoom. Manh hon 'manipulation' (cai do van cho pinch). */
html { touch-action: pan-x pan-y; }
body { touch-action: pan-x pan-y; }
button, .tab, .chip, .vs-side, .seg-btn { touch-action: manipulation; }

/* Khoa hoan toan trang goc: iOS van keo dan (rubber band) ca tai lieu
   du body da overflow:hidden. position:fixed moi dung han. */
html { overscroll-behavior: none; }
body {
  position: fixed;
  inset: 0;
  width: 100%;
  overscroll-behavior: none;
}

/* Vung cham toi thieu 44px theo huong dan cua Apple */
.icon-btn { min-width: 44px; min-height: 44px; }
.tab { min-height: 48px; }
/* Nut chu nho (Dang bang, Chay backtest, Dang xuat) va nut chon chieu
   trong form nhap tay dang cao 34-36px — duoi nguong cham 44px cua
   Apple. Giu nguyen kich thuoc NHIN THAY, mo rong vung cham bang lop
   phu vo hinh, giong cach da lam voi .icon-btn. */
.link-btn { min-height: 34px; position: relative; }
.link-btn::before { content: ""; position: absolute; inset: -5px -4px; }

.seg-btn { position: relative; }
.seg-btn::before { content: ""; position: absolute; inset: -4px; }

/* Tai tho: dat vung an toan cho tai va thanh home */
.appbar { padding-top: max(12px, env(safe-area-inset-top)); }
.tabbar { padding-bottom: max(4px, env(safe-area-inset-bottom)); }
.scroll { padding-left: max(14px, env(safe-area-inset-left)); padding-right: max(14px, env(safe-area-inset-right)); }

/* Khi cai vao man hinh chinh (standalone) thi bo khung gia lap dien thoai */
@media (display-mode: standalone) {
  body { padding: 0; }
  .phone { width: 100%; height: 100dvh; border: 0; border-radius: 0; box-shadow: none; }
}

/* ══ 3. RESPONSIVE ════════════════════════════════════════ */

/* — May nho (iPhone SE, 320-374px): siet lai mat do — */
@media (max-width: 374px) {
  :root { --fs-hero: 30px; --fs-2xl: 22px; --fs-xl: 18px; --pad-card: 12px; --r-card: 18px; --r-inner: 6px; }
  .scroll { padding-left: max(10px, env(safe-area-inset-left)); padding-right: max(10px, env(safe-area-inset-right)); }
  .strip-cell { padding: 8px 4px; }
  .strip-cell b { font-size: 11.5px; }
  .gauge { width: 124px; }
  .spark { width: 92px; }
  .pos-legs, .plan-grid { gap: 6px; }
  .pos-legs b { font-size: 11px; }
  .tab span { font-size: 8.5px; }
  .vs-side b { font-size: 21px; }
  .cta { min-height: 46px; font-size: 13.5px; }
}

/* — Ticker tren may hep: tia gia xuong hang rieng thay vi bi bop — */
@media (max-width: 359px) {
  .ticker { flex-wrap: wrap; }
  .spark { width: 100%; }
}

/* — Xoay ngang tren dien thoai: chieu cao rat it, phai gon lai — */
@media (max-height: 480px) and (orientation: landscape) {
  .appbar { padding-top: max(6px, env(safe-area-inset-top)); padding-bottom: 6px; }
  .tab { min-height: 40px; padding: 5px 3px 6px; }
  .tab svg { width: 17px; height: 17px; }
  .tab span { font-size: 8px; }
  .gauge-row { gap: 10px; }
  .rail { padding: 22px 8px 26px; }
  .chat { max-height: 34vh; }
  .verdict[data-state="ready"] { animation: none; }
}

/* — Tablet / man hinh lon: giu khung dien thoai nhung rong hon chut — */
@media (min-width: 520px) {
  .phone { width: min(460px, 100%); height: min(940px, calc(100dvh - 40px)); }
}

/* Man hinh rat cao thi khong keo dan vo may qua muc */
@media (min-width: 520px) and (min-height: 1100px) {
  .phone { height: 980px; }
}

/* — Nguoi dung phong to chu he thong: khong duoc vo layout — */
@media (min-width: 375px) {
  .vs-side b { font-size: clamp(20px, 6vw, 25px); }
  .hero-figure { font-size: clamp(30px, 9.5vw, 38px); }
  .pnl-val { font-size: clamp(24px, 8vw, 30px); }
}

/* ══ 4. TOAST DAY DU CHO MOBILE ═══════════════════════════ */

.toast-host {
  width: min(440px, calc(100% - 16px));
  padding-top: max(10px, env(safe-area-inset-top));
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

.toast {
  position: relative;
  overflow: hidden;
  touch-action: pan-x;
  will-change: transform, opacity;
}

/* Vach dem nguoc thoi gian tu tat — de biet toast sap bien mat */
.toast::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 2px;
  width: 100%;
  transform-origin: left center;
  background: currentColor;
  opacity: 0.28;
  animation: toast-timer var(--toast-ttl, 6000ms) linear forwards;
}
.toast.is-held::after { animation-play-state: paused; }
.toast.danger::after { background: var(--short); opacity: 0.5; }
.toast.success::after { background: var(--long); opacity: 0.5; }
.toast.warning::after { background: var(--watch); opacity: 0.5; }
.toast.info::after { background: var(--accent); opacity: 0.5; }

@keyframes toast-timer { from { transform: scaleX(1); } to { transform: scaleX(0); } }

/* Xep chong: toast cu lui ve sau va nho lai, khong day man hinh */
.toast[data-depth="1"] { transform: scale(0.965) translateY(-4px); opacity: 0.82; }
.toast[data-depth="2"] { transform: scale(0.93) translateY(-8px); opacity: 0.6; }
.toast[data-depth="3"] { display: none; }

/* Vuot len de bo qua */
.toast.is-swiping { transition: none; }

@media (prefers-reduced-motion: reduce) {
  .toast::after { animation: none; display: none; }
  .theme-shifting, .theme-shifting * { transition: none !important; }
}

/* ══ 5. SUA LOI PHAT HIEN KHI TEST TREN 393px ═════════════ */

/* — Thanh tren qua chat —
   Sau khi them nut doi chu de, hang tren co: logo + ten cap + the
   "Vinh cuu" + pill trang thai + 3 nut. O 393px tong be ngang vuot
   qua cho, the "Vinh cuu" xuong dong va de len pill.
   Cach xu ly: bo the trang tri, thu nho phan NHIN THAY cua nut xuong
   38px nhung giu VUNG CHAM 44px bang lop phu vo hinh. */
.icon-btn { position: relative; }
.icon-btn::before {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: inherit;
}

@media (max-width: 439px) {
  .appbar { gap: 6px; padding-left: 12px; padding-right: 12px; }
  .appbar-right { gap: 5px; flex: none; }
  .perp-tag { display: none; }
  .icon-btn { min-width: 38px; min-height: 38px; width: 38px; height: 38px; }
  .pair { min-width: 0; flex: 1; }
  .pair-text strong { font-size: 15px; }
  .live { padding: 4px 8px 4px 7px; font-size: 10.5px; }
}

/* May rat hep: bo chu trong pill, chi con cham. Trang thai van doc
   duoc qua aria-live cua pill va qua toast khi mat ket noi. */
@media (max-width: 374px) {
  #liveText { display: none; }
  .live { padding: 6px; }
}

/* — Tia gia rong van chiem 120px, day dong "cap nhat" xuong hang — */
.spark:has(svg:empty) { display: none; }

/* — Cung dong ho tren nen sang —
   stop-color la thuoc tinh CSS nen dat qua bien, khong phai sua JS. */
:root { --gg-none-a: #6b7689; --gg-none-b: #414b5e; }
:root[data-theme="light"] { --gg-none-a: #c2cad6; --gg-none-b: #97a1b2; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) { --gg-none-a: #c2cad6; --gg-none-b: #97a1b2; }
}
#gg-none stop:first-child { stop-color: var(--gg-none-a); }
#gg-none stop:last-child { stop-color: var(--gg-none-b); }

/* Ranh cung dong ho tren nen sang can dam hon mot chut de thay ro */
:root[data-theme="light"] .gauge-track { stroke: var(--track); }

/* ══ 6. THU GON BANG DIEM + NHAN CHIEU CUA KE HOACH ═══════ */

/* Chi hien 3 nhom dau, phan con lai mo dan ra khi bam "Xem them".
   Dung max-height thay vi display:none de con animation muot. */
.buckets {
  overflow: hidden;
  transition: max-height 0.42s var(--ease), opacity 0.28s var(--ease);
  max-height: 2000px;
}
/* Gap hoan toan: the chi con hai o LONG/SHORT va mot nut.
   Phai xoa ca margin-top, neu khong cao 0 van chua mot khoang trong. */
.buckets.is-collapsed {
  max-height: 0;
  margin-top: 0;
  opacity: 0;
}

.bucket-more {
  width: 100%;
  min-height: 40px;
  margin-top: 10px;
  border: 1px solid var(--brd-soft);
  border-radius: var(--r-inner);
  background: var(--fill-1);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.14s var(--ease);
}
.bucket-more:hover { border-color: var(--accent); background: var(--accent-wash); }
.bucket-more:active { transform: scale(0.985); }
.bucket-more::after {
  content: "";
  display: inline-block;
  width: 0; height: 0;
  margin-left: 7px;
  vertical-align: 2px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  transition: transform 0.28s var(--ease);
}
.bucket-more[aria-expanded="true"]::after { transform: rotate(180deg); }
/* Dang xem dang bang thi khong con gi de "xem them" */
#buckets[hidden] + .bucket-more { display: none; }

/* Ke hoach thuoc chieu nao — noi ro ngay o tieu de, vi bang diem o tren
   co the dang xem chieu khac */
.plan-side {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--fill-2);
  color: var(--ink-2);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: var(--tr-wider);
  vertical-align: 1px;
}

.plan-note {
  margin-top: 10px;
  color: var(--ink-3);
  font-size: 11.5px;
  line-height: 1.55;
}

@media (prefers-reduced-motion: reduce) {
  .buckets { transition: none; }
}

/* ══ 7. MAN DANG NHAP / DANG KY ═══════════════════════════ */

/* Loi cu: nen lop phu hardcode rgba(5,7,11,.94) nen o che do sang van
   den kit, nhin nhu hong. Dung token --scrim de doi theo chu de. */
.auth-gate {
  padding: max(20px, env(safe-area-inset-top)) 18px max(20px, env(safe-area-inset-bottom));
  background:
    radial-gradient(72% 34% at 16% -4%, var(--auth-glow-1), transparent 70%),
    radial-gradient(66% 38% at 104% 8%, var(--auth-glow-2), transparent 68%),
    var(--scrim);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  animation: auth-in 0.42s var(--ease);
}

:root { --auth-glow-1: rgba(77, 225, 255, 0.22); --auth-glow-2: rgba(167, 139, 250, 0.18); }
:root[data-theme="light"] { --auth-glow-1: rgba(8, 145, 178, 0.16); --auth-glow-2: rgba(124, 58, 237, 0.13); }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) { --auth-glow-1: rgba(8, 145, 178, 0.16); --auth-glow-2: rgba(124, 58, 237, 0.13); }
}

@keyframes auth-in { from { opacity: 0; } to { opacity: 1; } }

.auth-card {
  width: min(384px, 100%);
  gap: 0;
  padding: 28px 24px 24px;
  border-radius: var(--r-card);
  box-shadow: var(--edge), var(--lift-2);
  animation: auth-card-in 0.5s var(--ease);
}

@keyframes auth-card-in {
  from { opacity: 0; transform: translateY(14px) scale(0.97); }
  to { opacity: 1; transform: none; }
}

/* — Khoi thuong hieu: can giua, cho no ra dang mot san pham — */
.auth-logo {
  justify-self: center;
  width: 54px; height: 54px;
  margin-bottom: 14px;
}
.auth-logo svg { width: 27px; height: 27px; }

.auth-card h1 {
  text-align: center;
  font-size: 25px;
  font-weight: 680;
  letter-spacing: var(--tr-snug);
  margin-bottom: 6px;
}
.auth-card > p#authLead {
  text-align: center;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-2);
  margin: 0 auto 22px;
  max-width: 30ch;
}

/* — Truong nhap — */
.auth-card label {
  position: relative; /* neo nut hien mat khau */
  gap: 7px;
  margin-bottom: 14px;
  font-size: var(--fs-2xs);
  font-weight: 600;
  letter-spacing: var(--tr-wide);
  text-transform: uppercase;
  color: var(--ink-3);
}

.auth-card input {
  min-height: 50px;
  padding: 0 14px;
  border-radius: var(--r-inner);
  background: var(--fill-1);
  border: 1px solid var(--brd-soft);
  box-shadow: var(--sunken);
  font-size: 16px; /* duoi 16px thi iOS zoom ca trang */
  font-weight: 500;
  letter-spacing: var(--tr-flat);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.auth-card input:focus {
  border-color: var(--ring);
  box-shadow: var(--sunken), 0 0 0 3px var(--ring-glow);
}
#authPassword { padding-right: 48px; }

/* Nut hien/an mat khau — adaptive.js chen vao */
.auth-reveal {
  position: absolute;
  right: 6px;
  bottom: 6px;
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  color: var(--ink-3);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.auth-reveal:hover { color: var(--accent); background: var(--fill-2); }
.auth-reveal svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.auth-reveal .off { display: none; }
.auth-reveal[aria-pressed="true"] .on { display: none; }
.auth-reveal[aria-pressed="true"] .off { display: block; }

/* — Hanh dong — */
#authSubmit { margin-top: 8px; min-height: 52px; }

/* Dang gui: giu nguyen mau, them vong quay — thay vi xam ngoet nhu
   nut bi khoa, vi nguoi dung dang CHO chu khong phai bi cam. */
#authSubmit:disabled {
  background: var(--accent);
  color: var(--on-accent);
  opacity: 0.72;
  cursor: progress;
}
#authSubmit:disabled::before {
  content: "";
  display: inline-block;
  width: 15px; height: 15px;
  margin-right: 9px;
  vertical-align: -2px;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-top-color: transparent;
  animation: spin 0.7s linear infinite;
}

.auth-switch {
  justify-self: center;
  margin-top: 14px;
  padding: 8px 14px;
  border: 0;
  background: none;
  color: var(--ink-2);
  font-size: 12.5px;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--brd);
  transition: color 0.2s var(--ease), text-decoration-color 0.2s var(--ease);
}
.auth-switch:hover { color: var(--accent); text-decoration-color: currentColor; }
.auth-switch::before { content: ""; position: absolute; }

.auth-error {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin-top: 14px;
  font-size: 12.5px;
  line-height: 1.5;
  animation: rise 0.3s var(--ease);
}
.auth-error::before {
  content: "!";
  flex: none;
  display: grid;
  place-items: center;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--short);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
}

/* Nen sang: bo quang cyan gat cua nut chinh, tren the trang nhin choi */
:root[data-theme="light"] #authSubmit {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 2px 4px rgba(16, 24, 40, 0.1),
    0 10px 20px -12px rgba(8, 145, 178, 0.5);
}

/* May thap: cho phep cuon trong the thay vi tran ra ngoai */
@media (max-height: 700px) {
  .auth-gate { align-items: start; overflow-y: auto; }
  .auth-card { padding: 22px 20px 20px; }
  .auth-logo { width: 46px; height: 46px; margin-bottom: 10px; }
  .auth-card > p#authLead { margin-bottom: 16px; }
}

/* ══ 8. THE BAT THONG BAO ═════════════════════════════════ */

#notifyCard #notifyBtn { margin-top: 14px; }

.notify-steps {
  margin: 12px 0 0;
  padding: 14px 14px 14px 34px;
  border-radius: var(--r-inner);
  background: var(--fill-1);
  box-shadow: var(--sunken);
  list-style: decimal;
  color: var(--ink-2);
  font-size: 12.5px;
  line-height: 1.75;
}
.notify-steps li::marker { color: var(--accent); font-weight: 700; }
.notify-steps b { color: var(--ink); font-weight: 650; }

/* ══ 9. LOP TRO LY RA QUYET DINH ══════════════════════════ */

/* — Chi tiet thi truong: gap lai, khong chiem cho tren man dau — */
.market-details {
  border: 1px solid var(--brd-soft);
  border-radius: var(--r-inner);
  background: var(--fill-1);
  overflow: hidden;
}
.market-details > summary {
  padding: 11px 13px;
  color: var(--ink-2);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  min-height: 42px;
  display: flex;
  align-items: center;
}
.market-details > summary::-webkit-details-marker { display: none; }
.market-details > summary::after {
  content: "";
  margin-left: auto;
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--ink-3);
  transition: transform 0.24s var(--ease);
}
.market-details[open] > summary::after { transform: rotate(180deg); }
.market-details .strip { border: 0; border-radius: 0; box-shadow: none; background: none; }

/* O nhap gia khop that chiem tron mot hang cho de nhin */
.fill-field { grid-column: 1 / -1; }

/* — Hieu chuan diem + delta — */
.calib-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 13px;
  padding-top: 13px;
  border-top: 1px solid var(--brd-soft);
}

.calib-chip {
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--brd-soft);
  background: var(--fill-1);
  color: var(--ink-2);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
}
.calib-chip.good { border-color: rgba(74, 222, 128, 0.32); background: var(--long-wash); color: var(--long); }
.calib-chip.bad { border-color: rgba(255, 92, 122, 0.32); background: var(--short-wash); color: var(--short); }
.calib-chip.up { border-color: rgba(74, 222, 128, 0.32); color: var(--long); }
.calib-chip.down { border-color: rgba(255, 92, 122, 0.32); color: var(--short); }
.calib-chip.muted { color: var(--ink-3); }

/* — Rao chan rui ro — */
.risk-guard { border-color: rgba(167, 139, 250, 0.35); }
.risk-guard[data-blocked="true"] {
  border-color: rgba(255, 92, 122, 0.5);
  box-shadow: var(--edge), var(--lift-2), 0 0 42px -18px rgba(255, 92, 122, 0.85);
}

.risk-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 11px; }
.risk-badge {
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--watch-wash);
  color: var(--watch);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: var(--tr-wider);
  text-transform: uppercase;
}
.risk-guard[data-blocked="true"] .risk-badge { background: var(--short-wash); color: var(--short); }
.risk-meta { color: var(--ink-3); font-size: 11px; }

.risk-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.risk-stats div {
  padding: 9px 11px;
  border-radius: var(--r-inner);
  background: var(--fill-1);
  box-shadow: var(--sunken);
}
.risk-stats span { display: block; color: var(--ink-3); font-size: var(--fs-2xs); letter-spacing: var(--tr-wide); text-transform: uppercase; margin-bottom: 3px; }
.risk-stats b { font-size: 16px; font-weight: 700; font-variant-numeric: tabular-nums; }
.risk-stats b.up { color: var(--long); }
.risk-stats b.down { color: var(--short); }

.risk-why { margin-top: 10px; color: var(--short); font-size: 12px; line-height: 1.55; font-weight: 600; }

/* — Canh bao tin hieu oi — */
.stale-warn {
  margin-bottom: 4px;
  padding: 10px 12px;
  border-radius: var(--r-inner);
  background: var(--watch-wash);
  border: 1px solid rgba(167, 139, 250, 0.3);
  color: var(--ink-2);
  font-size: 12px;
  line-height: 1.55;
}
.stale-warn.danger {
  background: var(--short-wash);
  border-color: rgba(255, 92, 122, 0.35);
  color: #ffd3dc;
  font-weight: 600;
}
:root[data-theme="light"] .stale-warn.danger { color: #8c1226; }

/* — Khoi luong vao lenh — */
.size-out { margin-top: 10px; }
.size-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.size-grid div {
  padding: 9px 11px;
  border-radius: var(--r-inner);
  background: var(--fill-1);
  border: 1px solid var(--brd-soft);
}
.size-grid span { display: block; color: var(--ink-3); font-size: var(--fs-2xs); letter-spacing: var(--tr-wide); text-transform: uppercase; margin-bottom: 3px; }
.size-grid b { font-size: 14px; font-weight: 700; font-variant-numeric: tabular-nums; }
.size-grid b.down { color: var(--short); }

.size-out.warn .size-grid div:nth-child(4) { border-color: rgba(167, 139, 250, 0.4); background: var(--watch-wash); }
.size-out.bad .size-grid div:nth-child(4) { border-color: rgba(255, 92, 122, 0.45); background: var(--short-wash); }

.size-warn {
  margin-top: 9px;
  padding: 9px 11px;
  border-radius: var(--r-inner);
  font-size: 11.5px;
  line-height: 1.55;
  font-weight: 600;
}
.size-out.warn .size-warn { background: var(--watch-wash); color: var(--watch); }
.size-out.bad .size-warn { background: var(--short-wash); color: var(--short); }

/* ══ In an / tuong phan ep buoc ═══════════════════════════ */

@media (forced-colors: active) {
  .toast::after { display: none; }
}