/* Sign-in page. Self-contained: one request, no legacy sheets. */
@font-face {
  font-family: "Kalpurush";
  src: url("fonts/kalpurush.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
  unicode-range: U+0964-0965, U+0980-09FF, U+200C-200D, U+25CC;
}
:root {
  --bg: #f4f6f4; --card: #ffffff; --ink: #16241e; --muted: #5d6c66; --line: #dfe6e2;
  --brand: #14513f; --brand-2: #1f7a5c; --accent: #e8b54a; --focus: #c38a12; --bad: #b42f2f; --bad-soft: #fbecec;
  --field: #ffffff;
  font-family: "Kalpurush", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color-scheme: light;
}
html[data-theme=dark] {
  --bg: #0f1814; --card: #16211c; --ink: #e7efeb; --muted: #9fb0a9; --line: #2b3b34;
  --brand: #123f31; --brand-2: #1d6b52; --focus: #f0b84a; --bad: #f08080; --bad-soft: #3a1d1d; --field: #101a16;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body.signin { background: var(--bg); color: var(--ink); font-size: 16px; line-height: 1.5; }
a { color: inherit; }
svg.icon, .signin svg:not([viewBox="0 0 420 260"]) { width: 18px; height: 18px; flex: 0 0 auto; }

.signin-layout { display: grid; grid-template-columns: minmax(360px, 46%) 1fr; min-height: 100vh; }

/* Brand panel */
.signin-brand {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 36px clamp(28px, 4vw, 56px);
  color: #eaf5ef;
  background:
    radial-gradient(120% 80% at 0% 0%, rgba(232, 181, 74, .18), transparent 55%),
    linear-gradient(160deg, var(--brand-2) 0%, var(--brand) 55%, #0b2a20 100%);
  overflow: hidden;
}
.signin-brand::after {
  content: ""; position: absolute; inset: auto -10% -30% -10%; height: 55%;
  background: radial-gradient(60% 60% at 50% 0%, rgba(255, 255, 255, .08), transparent 70%);
  pointer-events: none;
}
.signin-brand-top { display: flex; align-items: center; gap: 12px; }
.signin-brand-top strong { display: block; font-size: 15px; letter-spacing: .08em; }
.signin-brand-top small { display: block; font-size: 13px; opacity: .8; }
.signin-mark { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .25); }
.signin-mark svg { width: 26px !important; height: 26px !important; }
.signin-art { margin: auto 0 0; }
.signin-art svg { width: 100%; max-width: 460px; height: auto; display: block; }
.signin-brand-copy h1 { margin: 0 0 14px; font-size: clamp(26px, 3vw, 36px); line-height: 1.2; font-weight: 700; text-wrap: balance; }
.signin-roles { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.signin-roles li { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 999px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .2); font-size: 14px; }
.signin-brand-foot { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 16px; margin: 0; font-size: 12.5px; }
.signin-brand-foot > span:first-child { display: inline-flex; align-items: center; gap: 8px; letter-spacing: .08em; opacity: .75; }
.signin-credit .developer-credit { display: inline-flex; gap: 5px; padding: 6px 12px; border-radius: 999px; background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .25); font-size: 13px; letter-spacing: 0; }
.signin-credit .developer-credit a { color: #fff; font-weight: 700; text-decoration: none; }
.signin-credit .developer-credit a:hover { text-decoration: underline; }

/* Form panel */
.signin-panel { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px; padding: 32px 20px; }
.signin-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; width: min(440px, 100%); }
.signin-tools .language-switcher, .signin-tools .theme-control > div { display: inline-flex; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); margin: 0; }
.signin-tools .theme-control { display: inline-flex; margin: 0; }
.signin-tools .theme-control > span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.signin-tools button { min-height: 38px; padding: 4px 12px; border: 0; border-radius: 9px; background: transparent; color: var(--ink); font: inherit; font-size: 14px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.signin-tools button[aria-pressed="true"] { background: var(--brand); color: #fff; font-weight: 700; }

.signin-card { width: min(440px, 100%); padding: 32px clamp(20px, 4vw, 36px); background: var(--card); border: 1px solid var(--line); border-radius: 20px; box-shadow: 0 24px 60px rgba(10, 35, 26, .08); }
html[data-theme=dark] .signin-card { box-shadow: none; }
.signin-card h2 { margin: 0; font-size: 28px; line-height: 1.2; }
.signin-lede { margin: 6px 0 22px; color: var(--muted); }
.signin-error { margin: 0 0 16px; padding: 12px 14px; border-radius: 12px; background: var(--bad-soft); color: var(--bad); font-weight: 600; }
.signin-form { display: grid; gap: 16px; }
.signin-field { display: grid; gap: 6px; }
.signin-field label { font-weight: 700; font-size: 15px; }
.signin-field input, .signin-password input {
  width: 100%; min-height: 52px; padding: 12px 14px;
  border: 1.5px solid var(--line); border-radius: 12px; background: var(--field); color: var(--ink);
  font: inherit; font-size: 17px;
}
.signin-field input::placeholder { color: var(--muted); }
.signin-field input:focus { outline: none; border-color: var(--brand-2); box-shadow: 0 0 0 4px rgba(31, 122, 92, .18); }
.signin-password { position: relative; }
.signin-password input { padding-right: 86px; }
.signin-password button { position: absolute; top: 6px; right: 6px; bottom: 6px; min-width: 70px; border: 0; border-radius: 9px; background: var(--bg); color: var(--ink); font: inherit; font-size: 14px; font-weight: 600; cursor: pointer; }
.signin-remember { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; }
.signin-remember input { width: 22px; height: 22px; margin: 2px 0 0; accent-color: var(--brand-2); flex: 0 0 auto; }
.signin-remember strong { display: block; font-size: 15px; font-weight: 600; }
.signin-remember small { display: block; color: var(--muted); font-size: 13px; }
.signin-submit {
  min-height: 54px; border: 0; border-radius: 12px; background: var(--brand-2); color: #fff;
  font: inherit; font-size: 17px; font-weight: 700; cursor: pointer;
  box-shadow: 0 6px 18px rgba(20, 81, 63, .25);
}
.signin-submit:hover { background: var(--brand); }
.signin-submit:disabled { opacity: .7; cursor: progress; }
.signin-help { margin: 20px 0 0; color: var(--muted); font-size: 14px; text-align: center; }
.signin-foot { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 6px; margin: 0; color: var(--muted); font-size: 13px; }
.signin-foot .developer-credit a { color: var(--ink); font-weight: 600; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

/* Tablet and phone: slim brand header, form first in view. */
@media (max-width: 860px) {
  .signin-layout { grid-template-columns: 1fr; }
  .signin-brand { gap: 12px; padding: 18px 20px 22px; }
  .signin-art, .signin-roles, .signin-brand-foot > span:first-child { display: none; }
  .signin-brand-foot { order: 3; }
  .signin-brand-copy h1 { font-size: 22px; margin: 0; }
  .signin-panel { justify-content: flex-start; padding: 18px 16px 28px; }
  .signin-card { padding: 24px 18px; border-radius: 18px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }