/* ==========================================================================
   BDOH DESIGN SYSTEM v1 — shared by every page
   Tokens · base · components · app shell
   The flame gradient (teal → green → gold) is reserved for progress,
   streaks and the hero torch. Everything else stays calm.
   ========================================================================== */

/* ---------- Fonts (self-hosted, variable, swap) ---------- */
@font-face{font-family:'Bricolage';font-style:normal;font-display:swap;font-weight:200 800;
  src:url(/fonts/bricolage-latin.woff2) format('woff2-variations'),url(/fonts/bricolage-latin.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Bricolage';font-style:normal;font-display:swap;font-weight:200 800;
  src:url(/fonts/bricolage-latin-ext.woff2) format('woff2-variations'),url(/fonts/bricolage-latin-ext.woff2) format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Anek Bangla';font-style:normal;font-display:swap;font-weight:100 800;
  src:url(/fonts/anek-bangla.woff2) format('woff2-variations'),url(/fonts/anek-bangla.woff2) format('woff2');
  unicode-range:U+0951-0952,U+0964-0965,U+0980-09FE,U+1CD0,U+1CD2,U+1CD5-1CD6,U+1CD8,U+1CE1,U+1CEA,U+1CED,U+1CF2,U+1CF5-1CF7,U+200C-200D,U+20B9,U+25CC,U+A8F1}

@font-face{font-family:'BDOH Display';font-style:normal;font-display:swap;font-weight:400;
  src:url(/fonts/bebas-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2212,U+2215}

/* ---------- Tokens ---------- */
:root{
  --bd-font:'Bricolage','Anek Bangla',ui-sans-serif,system-ui,-apple-system,'Segoe UI',Roboto,'Noto Sans Bengali',sans-serif;
  --bd-font-num:'Bricolage',ui-sans-serif,system-ui,sans-serif;
  --bd-font-display:'BDOH Display','Anek Bangla','Bricolage',Impact,'Arial Narrow',sans-serif;
  /* The logo gradient — teal → green → gold. Used for display words, the brand mark and progress. */
  --bd-brand:linear-gradient(100deg,#00A8C6 0%,#14B8A6 30%,#4CAF50 60%,#B9D531 82%,#FFD700 100%);
  --bd-brand-flow:linear-gradient(100deg,#00A8C6 0%,#17B5A2 16%,#4CAF50 30%,#C2D82E 42%,#FFD700 50%,#C2D82E 58%,#4CAF50 70%,#17B5A2 84%,#00A8C6 100%);
  --bd-brand-cool:linear-gradient(100deg,#00A8C6 0%,#14B8A6 25%,#4CAF50 50%,#14B8A6 75%,#00A8C6 100%);

  --bd-bg:#0A1020; --bd-bg-2:#0C1326; --bd-surface:#121A2E; --bd-surface-2:#18223A; --bd-surface-3:#1F2B47;
  --bd-line:rgba(148,170,210,.13); --bd-line-2:rgba(148,170,210,.24);
  --bd-text:#ECF1F8; --bd-text-2:#A6B1C6; --bd-text-3:#76839C;
  --bd-primary:#22B8C8; --bd-primary-2:#45CBD8; --bd-primary-ink:#03222A; --bd-primary-soft:rgba(34,184,200,.14);
  --bd-green:#3CC47C; --bd-green-soft:rgba(60,196,124,.14);
  --bd-gold:#F5C542;  --bd-gold-soft:rgba(245,197,66,.14);
  --bd-red:#F0524F;   --bd-red-soft:rgba(240,82,79,.13);
  --bd-flame:linear-gradient(90deg,#00A8C6 0%,#4CAF50 55%,#FFD700 100%);
  --bd-scrim:rgba(4,8,18,.62);
  --bd-shadow-1:0 1px 2px rgba(0,0,0,.28),0 10px 28px -14px rgba(0,0,0,.6);
  --bd-shadow-2:0 2px 6px rgba(0,0,0,.3),0 24px 60px -20px rgba(0,0,0,.7);
  --bd-glass:rgba(10,16,32,.78);

  --r-xs:8px; --r-sm:10px; --r-md:14px; --r-lg:20px; --r-xl:28px; --r-pill:999px;
  --ease:cubic-bezier(.2,.8,.2,1); --ease-spring:cubic-bezier(.34,1.4,.64,1);
  --d1:150ms; --d2:240ms; --d3:420ms;
  --top-h:64px; --tabs-h:64px;
  --safe-b:env(safe-area-inset-bottom,0px); --safe-t:env(safe-area-inset-top,0px);
  color-scheme:dark;
}
:root[data-theme="light"]{
  --bd-bg:#F2F5F9; --bd-bg-2:#E9EEF5; --bd-surface:#FFFFFF; --bd-surface-2:#F6F8FB; --bd-surface-3:#EDF1F7;
  --bd-line:rgba(16,32,64,.10); --bd-line-2:rgba(16,32,64,.18);
  --bd-text:#0D1A2E; --bd-text-2:#475571; --bd-text-3:#76839A;
  --bd-primary:#0A8A99; --bd-primary-2:#0B9DAE; --bd-primary-ink:#FFFFFF; --bd-primary-soft:rgba(10,138,153,.10);
  --bd-green:#1E9A57; --bd-green-soft:rgba(30,154,87,.10);
  --bd-gold:#B88400;  --bd-gold-soft:rgba(184,132,0,.11);
  --bd-red:#D33A3A;   --bd-red-soft:rgba(211,58,58,.09);
  --bd-scrim:rgba(13,26,46,.42);
  --bd-shadow-1:0 1px 2px rgba(16,32,64,.06),0 10px 26px -14px rgba(16,32,64,.22);
  --bd-shadow-2:0 2px 6px rgba(16,32,64,.08),0 24px 56px -22px rgba(16,32,64,.32);
  --bd-glass:rgba(242,245,249,.82);
  color-scheme:light;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:calc(var(--top-h) + 12px)}
body.bd{margin:0;background:var(--bd-bg);color:var(--bd-text);font-family:var(--bd-font);font-size:16px;line-height:1.55;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-optical-sizing:auto;
  text-rendering:optimizeLegibility;min-height:100dvh}
html[lang="bn"] body.bd{line-height:1.7}
body.bd img,body.bd svg{max-width:100%}
body.bd :where(button){font:inherit;color:inherit}
body.bd :where(a){color:inherit}
::selection{background:var(--bd-primary);color:var(--bd-primary-ink)}
:focus-visible{outline:2px solid var(--bd-primary);outline-offset:2px;border-radius:6px}
.bd-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
[hidden]{display:none!important}
html[lang="bn"] .only-en,html:not([lang="bn"]) .only-bn{display:none!important}
.bd-sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.bd-ico{flex:none;display:inline-block;vertical-align:middle}

/* Display lettering (condensed, all caps — the BDOH signature) */
.bd-display{font-family:var(--bd-font-display);font-weight:400;text-transform:uppercase;letter-spacing:.01em;line-height:.9}
html[lang="bn"] .bd-display{text-transform:none;font-weight:750;line-height:1.15;letter-spacing:0}
.bd-grad{background-image:var(--bd-brand-flow);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;
  background-size:200% 100%;background-position:0% 50%;animation:bdGradShift 12s linear infinite}
.bd-grad--cool{background-image:var(--bd-brand-cool)}
@keyframes bdGradShift{to{background-position:-200% 50%}}
:root[data-theme="light"] .bd-grad{filter:saturate(1.15) brightness(.86)}

/* Typography scale */
.bd-h1{font-size:clamp(2.1rem,5.4vw,4.1rem);line-height:1.02;font-weight:800;letter-spacing:-.035em}
.bd-h2{font-family:var(--bd-font-display);text-transform:uppercase;font-weight:400;font-size:clamp(2.2rem,4.6vw,3.6rem);line-height:.95;letter-spacing:.01em;margin:0 0 .6rem}
html[lang="bn"] .bd-h2{text-transform:none;font-weight:760;font-size:clamp(1.7rem,3.6vw,2.6rem);line-height:1.2}
.bd-h3{font-size:1.18rem;line-height:1.3;font-weight:700;letter-spacing:-.01em;margin:0}
.bd-lead{font-size:clamp(1rem,1.5vw,1.14rem);color:var(--bd-text-2);max-width:62ch;margin:0}
.bd-muted{color:var(--bd-text-2)} .bd-faint{color:var(--bd-text-3)}
html[lang="bn"] .bd-h1,html[lang="bn"] .bd-h2,html[lang="bn"] .bd-h3{letter-spacing:0;line-height:1.25}

/* Layout */
.bd-container{width:100%;max-width:1200px;margin:0 auto;padding-inline:clamp(16px,4vw,32px)}
.bd-section{padding-block:clamp(48px,8vw,96px)}
.bd-stack>*+*{margin-top:var(--gap,16px)}
.bd-row{display:flex;align-items:center;gap:12px}
.bd-grid{display:grid;gap:16px}
.bd-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.bd-sec-head p{margin:0;color:var(--bd-text-2);max-width:58ch}

/* ---------- Buttons ---------- */
.bd-btn{--bh:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:var(--bh);padding:0 18px;
  border-radius:var(--r-pill);border:1px solid transparent;font-weight:650;font-size:.95rem;line-height:1;cursor:pointer;
  text-decoration:none;white-space:nowrap;user-select:none;-webkit-tap-highlight-color:transparent;
  transition:transform var(--d1) var(--ease),background var(--d2) var(--ease),border-color var(--d2) var(--ease),color var(--d2) var(--ease),box-shadow var(--d2) var(--ease)}
.bd-btn:active{transform:scale(.97)}
.bd-btn[disabled],.bd-btn.is-busy{opacity:.55;cursor:not-allowed;transform:none}
.bd-btn--primary{background:linear-gradient(120deg,#0A93AA,#13A89A 45%,#43A85A);color:#fff;box-shadow:0 6px 20px -8px rgba(19,168,154,.7),inset 0 1px 0 rgba(255,255,255,.18)}
.bd-btn--primary:hover{filter:brightness(1.08);box-shadow:0 10px 30px -10px rgba(19,168,154,.9),inset 0 1px 0 rgba(255,255,255,.2)}
.bd-btn--secondary{background:var(--bd-surface-2);border-color:var(--bd-line-2);color:var(--bd-text)}
.bd-btn--secondary:hover{border-color:var(--bd-primary);color:var(--bd-text)}
.bd-btn--ghost{background:transparent;color:var(--bd-text-2)}
.bd-btn--ghost:hover{background:var(--bd-surface-2);color:var(--bd-text)}
.bd-btn--danger{background:var(--bd-red-soft);color:var(--bd-red);border-color:transparent}
.bd-btn--gold{background:var(--bd-gold);color:#241900}
.bd-btn--lg{--bh:52px;padding:0 24px;font-size:1.02rem}
.bd-btn--sm{--bh:36px;padding:0 14px;font-size:.86rem}
.bd-btn--block{width:100%}
.bd-icon-btn{width:44px;height:44px;display:inline-grid;place-items:center;border-radius:var(--r-pill);border:1px solid transparent;
  background:transparent;color:var(--bd-text-2);cursor:pointer;position:relative;-webkit-tap-highlight-color:transparent;
  transition:background var(--d2) var(--ease),color var(--d2) var(--ease),transform var(--d1) var(--ease)}
.bd-icon-btn:hover{background:var(--bd-surface-2);color:var(--bd-text)}
.bd-icon-btn:active{transform:scale(.94)}
.bd-dot{position:absolute;top:6px;right:6px;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--bd-red);
  color:#fff;font-size:.68rem;font-weight:750;display:grid;place-items:center;line-height:1;border:2px solid var(--bd-bg)}

/* ---------- Inputs ---------- */
.bd-field{display:grid;gap:6px}
.bd-label{font-size:.86rem;font-weight:600;color:var(--bd-text-2)}
.bd-input,.bd-select,.bd-textarea{width:100%;min-height:46px;padding:11px 14px;border-radius:var(--r-sm);border:1px solid var(--bd-line-2);
  background:var(--bd-surface-2);color:var(--bd-text);font:inherit;font-size:1rem;outline:none;
  transition:border-color var(--d2) var(--ease),box-shadow var(--d2) var(--ease)}
.bd-textarea{min-height:110px;resize:vertical;line-height:1.5}
.bd-input:focus,.bd-select:focus,.bd-textarea:focus{border-color:var(--bd-primary);box-shadow:0 0 0 4px var(--bd-primary-soft)}
.bd-input::placeholder,.bd-textarea::placeholder{color:var(--bd-text-3)}

/* ---------- Surfaces ---------- */
.bd-card{background:var(--bd-surface);border:1px solid var(--bd-line);border-radius:var(--r-lg);padding:20px}
.bd-card--flat{background:transparent}
.bd-card--link{display:block;text-decoration:none;color:inherit;transition:border-color var(--d2) var(--ease),transform var(--d2) var(--ease),background var(--d2) var(--ease)}
.bd-card--link:hover{border-color:var(--bd-line-2);background:var(--bd-surface-2)}
.bd-card--link:active{transform:scale(.99)}
.bd-chip{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 11px;border-radius:var(--r-pill);font-size:.8rem;font-weight:600;
  background:var(--bd-surface-2);border:1px solid var(--bd-line);color:var(--bd-text-2);white-space:nowrap}
.bd-chip--primary{background:var(--bd-primary-soft);border-color:transparent;color:var(--bd-primary)}
.bd-chip--green{background:var(--bd-green-soft);border-color:transparent;color:var(--bd-green)}
.bd-chip--gold{background:var(--bd-gold-soft);border-color:transparent;color:var(--bd-gold)}
.bd-chip--red{background:var(--bd-red-soft);border-color:transparent;color:var(--bd-red)}
.bd-live{width:8px;height:8px;border-radius:50%;background:var(--bd-red);box-shadow:0 0 0 0 rgba(240,82,79,.6);animation:bdLive 1.8s infinite}
@keyframes bdLive{70%{box-shadow:0 0 0 8px rgba(240,82,79,0)}100%{box-shadow:0 0 0 0 rgba(240,82,79,0)}}
.bd-avatar{width:36px;height:36px;border-radius:50%;flex:none;overflow:hidden;display:grid;place-items:center;font-weight:750;font-size:.9rem;
  background:linear-gradient(135deg,#1F8FA0,#2E9E66);color:#fff}
.bd-avatar img{width:100%;height:100%;object-fit:cover}
.bd-progress{height:8px;border-radius:8px;background:var(--bd-surface-3);overflow:hidden}
.bd-progress>i{display:block;height:100%;width:var(--p,0%);background:var(--bd-flame);border-radius:inherit;transition:width .8s var(--ease)}
.bd-divider{height:1px;background:var(--bd-line);border:0;margin:16px 0}
.bd-empty{text-align:center;padding:40px 16px;color:var(--bd-text-2)}
.bd-empty .bd-ico{color:var(--bd-text-3);margin-bottom:8px}

/* Skeleton */
.bd-skel{background:linear-gradient(90deg,var(--bd-surface-2) 0%,var(--bd-surface-3) 50%,var(--bd-surface-2) 100%);background-size:200% 100%;
  animation:bdShimmer 1.3s linear infinite;border-radius:var(--r-sm);color:transparent!important}
@keyframes bdShimmer{to{background-position:-200% 0}}

/* Segmented tabs */
.bd-seg{display:inline-flex;padding:4px;gap:4px;border-radius:var(--r-pill);background:var(--bd-surface-2);border:1px solid var(--bd-line);overflow-x:auto;max-width:100%;scrollbar-width:none}
.bd-seg::-webkit-scrollbar{display:none}
.bd-seg button{border:0;background:transparent;min-height:38px;padding:0 16px;border-radius:var(--r-pill);font-weight:600;font-size:.9rem;color:var(--bd-text-2);cursor:pointer;white-space:nowrap;display:inline-flex;align-items:center;gap:8px}
.bd-seg button[aria-selected="true"],.bd-seg button.is-on{background:var(--bd-surface);color:var(--bd-text);box-shadow:var(--bd-shadow-1)}

/* ---------- Toasts ---------- */
.bd-toasts{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(var(--tabs-h) + var(--safe-b) + 14px);z-index:9600;display:grid;gap:8px;width:min(440px,calc(100vw - 24px));pointer-events:none}
@media (min-width:1024px){.bd-toasts{bottom:24px}}
.bd-toast{pointer-events:auto;display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:var(--r-md);background:var(--bd-surface-2);
  border:1px solid var(--bd-line-2);box-shadow:var(--bd-shadow-2);color:var(--bd-text);animation:bdToastIn var(--d3) var(--ease-spring) both}
.bd-toast.is-out{animation:bdToastOut var(--d2) var(--ease) both}
.bd-toast__ic{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;flex:none;background:var(--bd-primary-soft);color:var(--bd-primary)}
.bd-toast--ok .bd-toast__ic{background:var(--bd-green-soft);color:var(--bd-green)}
.bd-toast--err .bd-toast__ic{background:var(--bd-red-soft);color:var(--bd-red)}
.bd-toast__t{font-weight:700;font-size:.95rem}.bd-toast__b{font-size:.88rem;color:var(--bd-text-2);margin-top:2px}
.bd-toast__acts{display:flex;gap:8px;margin-top:10px}
@keyframes bdToastIn{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
@keyframes bdToastOut{to{opacity:0;transform:translateY(8px)}}

/* ---------- Sheets / drawers / modals ---------- */
.bd-scrim{position:fixed;inset:0;background:var(--bd-scrim);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);z-index:9400;opacity:0;pointer-events:none;transition:opacity var(--d2) var(--ease)}
.bd-scrim.is-open{opacity:1;pointer-events:auto}
.bd-sheet{position:fixed;z-index:9500;background:var(--bd-surface);border:1px solid var(--bd-line-2);box-shadow:var(--bd-shadow-2);display:flex;flex-direction:column;
  left:0;right:0;bottom:0;max-height:88dvh;border-radius:var(--r-xl) var(--r-xl) 0 0;padding-bottom:var(--safe-b);
  transform:translateY(105%);transition:transform var(--d3) var(--ease);visibility:hidden}
.bd-sheet.is-open{transform:none;visibility:visible}
.bd-sheet__grip{width:40px;height:4px;border-radius:4px;background:var(--bd-line-2);margin:10px auto 2px}
.bd-sheet__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px 12px 20px;border-bottom:1px solid var(--bd-line)}
.bd-sheet__title{font-weight:750;font-size:1.08rem;margin:0}
.bd-sheet__body{overflow-y:auto;overscroll-behavior:contain;padding:12px 16px 20px}
@media (min-width:1024px){
  .bd-sheet--side{left:auto;top:12px;bottom:12px;right:12px;width:420px;max-height:none;border-radius:var(--r-xl);transform:translateX(110%)}
  .bd-sheet--side.is-open{transform:none}
  .bd-sheet--side .bd-sheet__grip{display:none}
  .bd-sheet--center{left:50%;top:50%;bottom:auto;right:auto;width:min(520px,calc(100vw - 32px));border-radius:var(--r-xl);transform:translate(-50%,-46%) scale(.98);opacity:0;transition:transform var(--d3) var(--ease),opacity var(--d2) var(--ease)}
  .bd-sheet--center.is-open{transform:translate(-50%,-50%);opacity:1}
  .bd-sheet--center .bd-sheet__grip{display:none}
}
body.bd-lock{overflow:hidden}

/* ---------- App shell: top bar ---------- */
.bd-top{position:fixed;top:0;left:0;right:0;z-index:9000;height:calc(var(--top-h) + var(--safe-t));padding-top:var(--safe-t);
  background:var(--bd-glass);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);
  border-bottom:1px solid transparent;transition:border-color var(--d2) var(--ease)}
.bd-top.is-scrolled{border-bottom-color:var(--bd-line)}
.bd-top__in{height:var(--top-h);display:flex;align-items:center;gap:8px;max-width:1280px;margin:0 auto;padding-inline:clamp(12px,3vw,24px)}
.bd-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--bd-text);min-width:0;margin-right:auto}
.bd-brand img{width:38px;height:38px;border-radius:50%;flex:none}
.bd-brand__t{display:grid;line-height:1.1;min-width:0}
.bd-brand__t span{font-size:.7rem;font-weight:650;letter-spacing:.14em;text-transform:uppercase;color:var(--bd-text-2);white-space:nowrap}
.bd-brand__t b{font-weight:780;font-size:1rem;letter-spacing:-.01em;white-space:nowrap;background:var(--bd-brand);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.bd-nav{display:none}
.bd-nav a,.bd-nav button{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 14px;border-radius:var(--r-pill);text-decoration:none;
  font-weight:620;font-size:.93rem;color:var(--bd-text-2);border:0;background:transparent;cursor:pointer;transition:background var(--d2) var(--ease),color var(--d2) var(--ease)}
.bd-nav a:hover,.bd-nav button:hover,.bd-nav button[aria-expanded="true"]{color:var(--bd-text);background:var(--bd-surface-2)}
.bd-nav a[aria-current="page"]{color:var(--bd-text);background:var(--bd-surface-2)}
.bd-nav a[aria-current="page"] .bd-ico{color:var(--bd-primary)}
.bd-actions{display:flex;align-items:center;gap:2px}
.bd-lang{height:36px;padding:0 12px;border-radius:var(--r-pill);border:1px solid var(--bd-line-2);background:transparent;color:var(--bd-text);
  font-weight:700;font-size:.84rem;cursor:pointer;display:inline-flex;align-items:center;gap:6px;margin-inline:4px}
.bd-lang:hover{border-color:var(--bd-primary)}
.bd-me{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--bd-text);padding:3px;border-radius:var(--r-pill);margin-left:4px}
.bd-me__n{display:none;font-weight:650;font-size:.9rem;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding-right:10px}
.bd-me:hover{background:var(--bd-surface-2)}
.bd-hide-sm{display:none}
@media (min-width:1024px){
  .bd-nav{display:flex;align-items:center;gap:2px;margin-inline:auto;padding:5px;border-radius:var(--r-pill);
    background:color-mix(in srgb,var(--bd-surface) 70%,transparent);border:1px solid var(--bd-line-2);box-shadow:inset 0 1px 0 rgba(255,255,255,.04)}
  .bd-nav a[aria-current="page"]{background:var(--bd-primary-soft);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--bd-primary) 40%,transparent)}
  .bd-brand{margin-right:0}
  .bd-hide-sm{display:inline-flex}
  .bd-me__n{display:block}
}
/* "More" dropdown on desktop */
.bd-menu{position:absolute;top:calc(100% + 8px);right:0;min-width:240px;background:var(--bd-surface);border:1px solid var(--bd-line-2);border-radius:var(--r-lg);
  box-shadow:var(--bd-shadow-2);padding:8px;display:none;z-index:9100}
.bd-menu.is-open{display:block;animation:bdPop var(--d2) var(--ease) both}
@keyframes bdPop{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.bd-menu a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--r-sm);text-decoration:none;color:var(--bd-text);font-weight:560;font-size:.93rem}
.bd-menu a:hover{background:var(--bd-surface-2)}
.bd-menu a .bd-ico{color:var(--bd-text-3)}

/* ---------- App shell: bottom tab bar (phones + tablets) ---------- */
.bd-tabs{position:fixed;left:0;right:0;bottom:0;z-index:9000;height:calc(var(--tabs-h) + var(--safe-b));padding-bottom:var(--safe-b);
  background:var(--bd-glass);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-top:1px solid var(--bd-line);
  display:grid;grid-template-columns:repeat(5,1fr)}
.bd-tabs a,.bd-tabs button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;text-decoration:none;color:var(--bd-text-3);
  font-size:.72rem;font-weight:650;border:0;background:transparent;cursor:pointer;-webkit-tap-highlight-color:transparent;position:relative}
html[lang="bn"] .bd-tabs a,html[lang="bn"] .bd-tabs button{font-size:.78rem}
.bd-tabs a[aria-current="page"],.bd-tabs button.is-on{color:var(--bd-text)}
.bd-tabs a[aria-current="page"] .bd-ico{color:var(--bd-primary)}
.bd-tabs a[aria-current="page"]::before{content:"";position:absolute;top:0;width:28px;height:3px;border-radius:0 0 3px 3px;background:var(--bd-primary)}
.bd-tabs a:active .bd-ico,.bd-tabs button:active .bd-ico{transform:scale(.9)}
.bd-tabs .bd-ico{transition:transform var(--d1) var(--ease)}
@media (min-width:1024px){.bd-tabs{display:none}}

/* Page padding so content clears the shell */
body.bd-has-shell{padding-top:calc(var(--top-h) + var(--safe-t))}
@media (max-width:1023.98px){body.bd-has-shell{padding-bottom:calc(var(--tabs-h) + var(--safe-b))}}
body.bd-shell-min .bd-tabs{display:none}
body.bd-shell-min.bd-has-shell{padding-bottom:0}

/* ---------- Announcement banner ---------- */
.bd-banner{position:relative;z-index:8900;display:flex;align-items:center;gap:12px;padding:10px clamp(12px,3vw,24px);font-size:.92rem;
  background:var(--bd-primary-soft);border-bottom:1px solid var(--bd-line);color:var(--bd-text)}
.bd-banner--urgent{background:var(--bd-red-soft)} .bd-banner--celebrate{background:var(--bd-gold-soft)}
.bd-banner__ic{color:var(--bd-primary);flex:none}.bd-banner--urgent .bd-banner__ic{color:var(--bd-red)}.bd-banner--celebrate .bd-banner__ic{color:var(--bd-gold)}
.bd-banner__t{flex:1;min-width:0}.bd-banner__t b{font-weight:700;margin-right:6px}
.bd-banner a.bd-banner__cta{font-weight:700;color:var(--bd-text);white-space:nowrap}

/* ---------- Inbox list ---------- */
.bd-inbox-tabs{position:sticky;top:0;background:var(--bd-surface);padding:4px 0 10px;z-index:1}
.bd-note{display:flex;gap:12px;padding:12px;border-radius:var(--r-md);text-decoration:none;color:inherit;cursor:pointer;border:0;background:transparent;width:100%;text-align:left}
.bd-note:hover{background:var(--bd-surface-2)}
.bd-note__ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex:none;background:var(--bd-primary-soft);color:var(--bd-primary)}
.bd-note--duel .bd-note__ic{background:var(--bd-red-soft);color:var(--bd-red)}
.bd-note--friend .bd-note__ic{background:var(--bd-green-soft);color:var(--bd-green)}
.bd-note--announce .bd-note__ic{background:var(--bd-gold-soft);color:var(--bd-gold)}
.bd-note--results .bd-note__ic{background:var(--bd-primary-soft);color:var(--bd-primary)}
.bd-note--contest .bd-note__ic{background:var(--bd-primary-soft);color:var(--bd-primary)}
.bd-note__t{font-weight:680;font-size:.95rem;line-height:1.35}
.bd-note__b{font-size:.88rem;color:var(--bd-text-2);margin-top:2px;overflow-wrap:anywhere}
.bd-note__m{font-size:.76rem;color:var(--bd-text-3);margin-top:4px}
.bd-note.is-unread .bd-note__t::after{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--bd-primary);margin-left:8px;vertical-align:middle}

/* ---------- Poster pop-up ---------- */
.bd-poster{position:fixed;inset:0;z-index:9700;display:grid;place-items:center;padding:20px;background:rgba(3,6,14,.78);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  opacity:0;pointer-events:none;transition:opacity var(--d2) var(--ease)}
.bd-poster.is-open{opacity:1;pointer-events:auto}
.bd-poster__card{width:min(420px,100%);max-height:calc(100dvh - 40px);overflow:auto;background:var(--bd-surface);border-radius:var(--r-xl);border:1px solid var(--bd-line-2);
  box-shadow:var(--bd-shadow-2);transform:scale(.94) translateY(10px);transition:transform var(--d3) var(--ease-spring);position:relative}
.bd-poster.is-open .bd-poster__card{transform:none}
.bd-poster__img{display:block;width:100%;aspect-ratio:4/5;object-fit:cover;background:var(--bd-surface-2)}
.bd-poster__img--wide{aspect-ratio:16/9}
.bd-poster__body{padding:18px 20px 20px}
.bd-poster__t{font-size:1.25rem;font-weight:780;margin:0 0 6px;letter-spacing:-.01em}
.bd-poster__b{color:var(--bd-text-2);margin:0 0 16px;white-space:pre-line}
.bd-poster__x{position:absolute;top:10px;right:10px;background:rgba(0,0,0,.45);color:#fff}
.bd-poster__x:hover{background:rgba(0,0,0,.6);color:#fff}
.bd-poster__dots{display:flex;gap:6px;justify-content:center;padding-bottom:14px}
.bd-poster__dots i{width:6px;height:6px;border-radius:50%;background:var(--bd-line-2)}.bd-poster__dots i.is-on{background:var(--bd-primary);width:18px;border-radius:3px}

/* ---------- Footer ---------- */
.bd-foot{border-top:1px solid var(--bd-line);padding:48px 0 32px;color:var(--bd-text-2);font-size:.92rem}
.bd-foot__grid{display:grid;gap:28px;grid-template-columns:1fr}
@media (min-width:720px){.bd-foot__grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.bd-foot h4{color:var(--bd-text);font-size:.95rem;margin:0 0 12px}
.bd-foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.bd-foot a{text-decoration:none;color:var(--bd-text-2)}.bd-foot a:hover{color:var(--bd-text)}
.bd-foot__bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:36px;padding-top:20px;border-top:1px solid var(--bd-line);font-size:.84rem;color:var(--bd-text-3)}
.bd-soc{display:flex;gap:8px;margin-top:14px}
.bd-soc a{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--bd-line-2);color:var(--bd-text-2)}
.bd-soc a:hover{color:var(--bd-text);border-color:var(--bd-primary)}

/* ---------- Auth sheet ---------- */
.bd-auth__brand{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.bd-auth__brand img{width:44px;height:44px;border-radius:50%}
.bd-auth__google{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:48px;border-radius:var(--r-pill);border:1px solid var(--bd-line-2);
  background:var(--bd-surface-2);color:var(--bd-text);font-weight:650;cursor:pointer}
.bd-auth__google:hover{border-color:var(--bd-primary)}
.bd-or{display:flex;align-items:center;gap:12px;color:var(--bd-text-3);font-size:.82rem;margin:14px 0}
.bd-or::before,.bd-or::after{content:"";flex:1;height:1px;background:var(--bd-line)}
.bd-err{background:var(--bd-red-soft);color:var(--bd-red);border-radius:var(--r-sm);padding:10px 12px;font-size:.9rem;display:none}
.bd-err.is-on{display:block}

/* ---------- Search palette ---------- */
.bd-search__in{display:flex;align-items:center;gap:10px;padding:4px 14px;border-radius:var(--r-md);background:var(--bd-surface-2);border:1px solid var(--bd-line-2)}
.bd-search__in input{flex:1;border:0;background:transparent;color:var(--bd-text);font:inherit;font-size:1.02rem;min-height:46px;outline:none}
.bd-search__res a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--r-sm);text-decoration:none;color:var(--bd-text)}
.bd-search__res a:hover,.bd-search__res a.is-active{background:var(--bd-surface-2)}
.bd-search__res small{color:var(--bd-text-3);display:block}
.bd-search__grp{font-size:.78rem;font-weight:700;color:var(--bd-text-3);padding:12px 12px 4px}

/* ---------- Motion safety ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}
html.bd-lite *{animation:none!important}
html.bd-lite .bd-top,html.bd-lite .bd-tabs,html.bd-lite .bd-scrim{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
html.bd-lite .bd-top,html.bd-lite .bd-tabs{background:var(--bd-bg)}

/* View transitions between pages (Chrome, Edge, Safari 18+) */
@view-transition{navigation:auto}
::view-transition-old(root),::view-transition-new(root){animation-duration:200ms}

/* ---------- Small-phone refinements ---------- */
.bd-tabs button{padding:0;line-height:inherit}
@media (max-width:600px){
  .bd-brand__t{display:none}
  .bd-lang{height:34px;padding:0 10px;margin-inline:2px}
  .bd-actions .bd-btn--sm{padding:0 12px}
  .bd-banner{font-size:.88rem;padding-block:8px}
  .bd-banner__t .bd-muted{display:none}
  .bd-banner__t b{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
}
@media (max-width:360px){#bdSearchBtn{display:none}}

/* Ranks sits in the desktop nav; on phones/tablets it lives in the More sheet */
.bd-more-ranks{display:contents}
@media (min-width:1024px){.bd-more-ranks{display:none}}

/* Top bar on small laptops and large tablets in landscape (1024–1239px):
   logo only, tighter menu, so nothing overlaps */
@media (min-width:1024px) and (max-width:1239.98px){
  .bd-brand__t{display:none}
  .bd-nav a,.bd-nav button{padding:0 11px;gap:6px;font-size:.9rem}
  .bd-me__n{display:none!important}
}
@media (min-width:1024px) and (max-width:1119.98px){.bd-nav .bd-ico{display:none}}

/* ---------- Welcome sign-in ---------- */
.bd-auth--welcome{overflow:hidden}
.bd-auth--welcome::before{content:"";position:absolute;left:-20%;right:-20%;top:-140px;height:300px;pointer-events:none;z-index:0;
  background:radial-gradient(closest-side,rgba(0,190,214,.28),rgba(76,175,80,.12) 55%,transparent)}
.bd-auth--welcome .bd-sheet__head{position:absolute;top:0;right:0;z-index:2;border:0;background:none;padding:10px}
.bd-auth--welcome .bd-sheet__title{display:none}
.bd-auth--welcome .bd-sheet__body{position:relative;z-index:1;padding-top:26px}
.bd-welcome{text-align:center;margin:0 0 18px}
.bd-welcome__mark{position:relative;width:84px;height:84px;margin:0 auto 14px;display:grid;place-items:center}
.bd-welcome__mark img{position:relative;width:72px;height:72px;border-radius:50%;box-shadow:0 0 0 4px var(--bd-surface),0 10px 30px -8px rgba(0,190,214,.6)}
.bd-welcome__ring{position:absolute;inset:0;border-radius:50%;background:conic-gradient(from 0deg,#00B4CC,#4CAF50,#FFD54A,#00B4CC);animation:bdSpin 6s linear infinite;
  -webkit-mask:radial-gradient(closest-side,transparent calc(100% - 3px),#000 calc(100% - 2px));mask:radial-gradient(closest-side,transparent calc(100% - 3px),#000 calc(100% - 2px))}
@keyframes bdSpin{to{transform:rotate(360deg)}}
.bd-welcome__t{margin:0;font-size:clamp(1.35rem,4.6vw,1.6rem);line-height:1.2;font-weight:800;letter-spacing:-.02em;text-wrap:balance;
  background:linear-gradient(100deg,#00B4CC,#12C2B0 30%,#4CAF50 60%,#C9D93A 85%,#FFD54A);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
:root[data-theme="light"] .bd-welcome__t{background:linear-gradient(100deg,#007B8F,#2E8B3E 60%,#B88400);-webkit-background-clip:text;background-clip:text}
.bd-welcome__s{margin:8px auto 0;max-width:40ch;color:var(--bd-text-2);font-size:.95rem;line-height:1.55;text-wrap:pretty}
.bd-welcome__l{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:8px;text-align:left}
.bd-welcome__l li{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:14px;background:var(--bd-surface-2);border:1px solid var(--bd-line);font-weight:620;font-size:.93rem}
.bd-welcome__l svg{flex:none;width:32px;height:32px;padding:7px;border-radius:10px;color:var(--bd-primary);background:var(--bd-primary-soft)}
.bd-welcome__l li:nth-child(2) svg{color:var(--bd-gold);background:var(--bd-gold-soft)}
.bd-welcome__l li:nth-child(3) svg{color:var(--bd-green);background:var(--bd-green-soft)}
@media (max-height:720px){.bd-welcome__l{display:none}}
@media (prefers-reduced-motion:reduce){.bd-welcome__ring{animation:none}}

/* ---------- Install the app ---------- */
.bd-install{position:fixed;z-index:9300;left:12px;right:12px;bottom:calc(var(--tabs-h) + var(--safe-b) + 12px);max-width:460px;margin:0 auto;
  display:flex;align-items:center;gap:12px;padding:12px 12px 12px 12px;border-radius:22px;
  background:color-mix(in srgb,var(--bd-surface) 86%,transparent);-webkit-backdrop-filter:blur(18px) saturate(1.4);backdrop-filter:blur(18px) saturate(1.4);
  border:1px solid var(--bd-line-2);box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 24px 60px -18px rgba(0,0,0,.65),0 0 0 1px rgba(0,190,214,.12);
  opacity:0;transform:translateY(18px) scale(.98);transition:opacity .35s ease,transform .5s cubic-bezier(.16,1,.3,1);pointer-events:none}
.bd-install.is-open{opacity:1;transform:none;pointer-events:auto}
.bd-install__logo{flex:none;width:52px;height:52px;border-radius:14px;box-shadow:0 8px 20px -8px rgba(0,190,214,.7);outline:1px solid rgba(255,255,255,.08);outline-offset:-1px}
.bd-install__b{flex:1;min-width:0;display:grid;gap:2px}
.bd-install__b b{font-size:.98rem}
.bd-install__b>span{font-size:.84rem;color:var(--bd-text-2);line-height:1.4}
.bd-install__k{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:6px;background:var(--bd-surface-2);vertical-align:-6px;color:var(--bd-primary)}
.bd-install .bd-btn{flex:none}
.bd-install__x{flex:none;width:40px;height:40px;margin:-6px -4px -6px -6px;display:grid;place-items:center;border:0;background:transparent;color:var(--bd-text-3);border-radius:50%;cursor:pointer}
.bd-install__x:hover{background:var(--bd-surface-2);color:var(--bd-text)}
@media (min-width:1024px){.bd-install{left:auto;right:24px;bottom:24px;margin:0}}
body.bd-shell-min .bd-install{bottom:calc(var(--safe-b) + 12px)}
@media (max-width:380px){.bd-install__b>span{display:none}}

/* ---------- Typographic polish everywhere ---------- */
h1,h2,h3,.bd-h2,.bd-h3{text-wrap:balance}
p,li,.bd-lead{text-wrap:pretty}
.bd-num,time,[class*="__count"],[class*="-count"]{font-variant-numeric:tabular-nums}