/* Sign-in page (redesign). Standalone page: does not use the shared _Layout / signin.css.
   Light by default; html[data-theme="dark"] flips the tokens. The theme is shared with the
   rest of the app through localStorage 'fl-theme'. */
:root {
  --si-page: #f2f4f8;
  --si-panel: #16233b;
  --si-card: #ffffff;
  --si-border: #e3e7ef;
  --si-shadow: 0 20px 50px rgba(22, 35, 59, 0.12);
  --si-title: #16233b;
  --si-text: #1b2436;
  --si-muted: #5b6478;
  --si-faint: #8a93a6;
  --si-input-bg: #f7f9fd;
  --si-input-bd: #dde3ee;
  --si-focus: #2456d6;
  --si-focus-ring: rgba(36, 86, 214, 0.15);
  --si-toggle-bg: #ffffff;
  --si-toggle-fg: #5b6478;
  --si-err-bg: #fde3e3;
  --si-err-bd: #f2b8b8;
  --si-err-fg: #c22b2b;
  --si-warn-bg: #fdf1d8;
  --si-warn-fg: #7a4f00;
  --si-gold: #f2b233;
  --si-navy: #16233b;
  color-scheme: light;
}
html[data-theme="dark"] {
  --si-page: #0e1522;
  --si-panel: #0a101b;
  --si-card: #151f31;
  --si-border: #22304a;
  --si-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  --si-title: #f4f6fa;
  --si-text: #e6eaf2;
  --si-muted: #9aa6bc;
  --si-faint: #7a869c;
  --si-input-bg: #1b273d;
  --si-input-bd: #2a374f;
  --si-focus: #5b86f5;
  --si-focus-ring: rgba(91, 134, 245, 0.25);
  --si-toggle-bg: #151f31;
  --si-toggle-fg: #f2b233;
  --si-err-bg: rgba(217, 54, 54, 0.16);
  --si-err-bd: rgba(217, 54, 54, 0.45);
  --si-err-fg: #ff8f8f;
  --si-warn-bg: rgba(224, 162, 27, 0.18);
  --si-warn-fg: #f3c766;
  color-scheme: dark;
}

.si-body {
  margin: 0;
  min-height: 100vh;
  background: var(--si-page);
  color: var(--si-text);
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}
.si-body *, .si-body *::before, .si-body *::after { box-sizing: border-box; }

.si { display: flex; min-height: 100vh; }

/* ---------- Brand panel ---------- */
.si-brand {
  position: relative;
  overflow: hidden;
  flex: 0 0 43%;
  max-width: 620px;
  display: flex;
  flex-direction: column;
  padding: 56px 60px;
  background: var(--si-panel);
}
.si-ring {
  position: absolute; right: -120px; bottom: -120px; width: 420px; height: 420px;
  border-radius: 999px; border: 60px solid rgba(242, 178, 51, 0.07);
}
.si-dot {
  position: absolute; right: 80px; top: -90px; width: 220px; height: 220px;
  border-radius: 999px; background: rgba(91, 134, 245, 0.1);
}
.si-logo { width: 220px; height: auto; display: block; position: relative; }
.si-brand-name { margin-top: 22px; position: relative; font-size: 18px; font-weight: 800; color: #fff; }
.si-brand-sub { margin-top: 2px; font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--si-gold); }
.si-headline {
  margin: 64px 0 0; max-width: 440px; position: relative;
  font-size: 34px; line-height: 1.2; font-weight: 800; letter-spacing: -.02em; color: #fff;
}
.si-headline span { color: var(--si-gold); }
.si-features { margin-top: 36px; display: flex; flex-direction: column; gap: 22px; position: relative; }
.si-feature { display: flex; gap: 14px; align-items: flex-start; }
.si-feature-icon {
  width: 42px; height: 42px; flex-shrink: 0; border-radius: 12px;
  background: rgba(242, 178, 51, 0.14); color: var(--si-gold);
  display: flex; align-items: center; justify-content: center;
}
.si-feature-title { font-size: 16px; font-weight: 800; color: #fff; }
.si-feature-text { margin-top: 2px; font-size: 14px; line-height: 1.5; color: #aab5ca; }
.si-copy { margin-top: auto; padding-top: 32px; position: relative; font-size: 13px; color: #8c9ab5; }

/* ---------- Form side ---------- */
.si-main {
  flex: 1 1 auto; position: relative; padding: 96px 24px;
  display: flex; align-items: center; justify-content: center;
}
.si-theme {
  position: absolute; top: 28px; right: 32px; width: 44px; height: 44px;
  border: 1px solid var(--si-border); border-radius: 12px;
  background: var(--si-toggle-bg); color: var(--si-toggle-fg);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
}
.si-theme:focus-visible { outline: 2px solid var(--si-focus); outline-offset: 2px; }
.si-theme .si-sun { display: none; }
html[data-theme="dark"] .si-theme .si-sun { display: block; }
html[data-theme="dark"] .si-theme .si-moon { display: none; }

.si-card {
  width: 100%; max-width: 440px; padding: 40px;
  background: var(--si-card); border: 1px solid var(--si-border);
  border-radius: 22px; box-shadow: var(--si-shadow);
}
.si-title { margin: 0; font-size: 30px; font-weight: 800; letter-spacing: -.02em; color: var(--si-title); }
.si-sub { margin: 6px 0 0; font-size: 15px; color: var(--si-muted); }

.si-alert {
  margin-top: 20px; display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; border-radius: 12px;
  background: var(--si-err-bg); border: 1px solid var(--si-err-bd); color: var(--si-err-fg);
  font-size: 14px; font-weight: 700;
}
.si-alert[hidden] { display: none; }
.si-alert svg { flex-shrink: 0; }

.si-form { margin: 24px 0 0; display: flex; flex-direction: column; gap: 16px; }
.si-field { display: flex; flex-direction: column; gap: 7px; font-size: 13px; font-weight: 700; color: var(--si-muted); }
.si-wrap { position: relative; }
.si-wrap-icon { position: absolute; left: 14px; top: 16px; color: var(--si-faint); pointer-events: none; }
.si-input {
  display: block; width: 100%; height: 52px; padding: 0 14px 0 46px;
  border: 1px solid var(--si-input-bd); border-radius: 12px;
  background: var(--si-input-bg); color: var(--si-text);
  font: inherit; font-size: 15px; font-weight: 400; outline: none;
}
.si-input::placeholder { color: var(--si-faint); }
.si-input.si-pw { padding-right: 52px; }
.si-input:focus { border-color: var(--si-focus); box-shadow: 0 0 0 3px var(--si-focus-ring); }
.si-input.is-invalid { border-color: var(--si-err-fg); }
.si-eye {
  position: absolute; right: 6px; top: 6px; width: 40px; height: 40px;
  border: 0; border-radius: 10px; background: transparent; color: var(--si-muted);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
}
.si-eye:focus-visible { outline: 2px solid var(--si-focus); }
.si-eye .si-eye-off { display: none; }
.si-eye.is-shown .si-eye-off { display: block; }
.si-eye.is-shown .si-eye-on { display: none; }
.si-caps {
  margin-top: -8px; align-self: flex-start; display: none; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 8px; background: var(--si-warn-bg); color: var(--si-warn-fg);
  font-size: 12px; font-weight: 700;
}
.si-caps.is-on { display: inline-flex; }

.si-row { margin-top: 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.si-remember { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--si-text); cursor: pointer; }
.si-remember input { width: 18px; height: 18px; margin: 0; accent-color: #2456d6; }
.si-hint { font-size: 13px; color: var(--si-muted); }

.si-submit {
  margin-top: 24px; width: 100%; height: 54px; border: 0; border-radius: 14px;
  background: var(--si-gold); color: var(--si-navy); font: inherit; font-size: 16px; font-weight: 800;
  display: flex; align-items: center; justify-content: center; gap: 10px; cursor: pointer;
  box-shadow: 0 6px 16px rgba(242, 178, 51, 0.35);
}
.si-submit:hover { filter: brightness(1.04); }
.si-submit:focus-visible { outline: 2px solid var(--si-focus); outline-offset: 2px; }
.si-submit[aria-disabled="true"] { opacity: .7; cursor: default; }

.si-help {
  position: absolute; bottom: 28px; left: 0; right: 0; padding: 0 24px;
  text-align: center; font-size: 13px; color: var(--si-faint);
}

@media (max-width: 991.98px) {
  .si-brand { display: none; }
  .si-main { padding-top: 88px; padding-bottom: 80px; }
}
@media (max-width: 480px) {
  .si-card { padding: 28px 22px; }
  .si-theme { right: 16px; top: 16px; }
}