/* Auth screens (login / change password) — Arabic RTL, standalone (pre-shell).
   Official mindex identity (CLAUDE.md §7.1): mindex purple primary, gold accent
   used sparingly, teal secondary, warm-light canvas, self-hosted fonts.
   Design tokens are shared in spirit with the app shell (app.css). */
:root {
  /* brand — purple */
  --brand: #7A3E9D;
  --brand-strong: #683487;
  --brand-deep: #4E2568;
  --brand-tint: #F2E9F7;
  /* accent — gold (sparing) */
  --gold: #F2C230;
  --gold-ink: #5A4400;
  /* secondary — teal */
  --teal: #3FB6C4;
  --teal-link: #2A8A97;
  /* warm neutrals */
  --ink: #2B2530;
  --muted: #6F6862;
  --line: #E9E2D9;
  --bg: #F7F4EF;
  --card: #FFFFFF;
  /* functional */
  --danger: #C0362C; --danger-bg: #FCF2F1; --danger-line: #F3CFCB;
  --ok: #2E7D5B; --ok-bg: #EDF6F0; --ok-line: #BFE3CE;
  /* shape + type */
  --radius: 16px;
  --radius-sm: 10px;
  --font-display: "Readex Pro", "Segoe UI", "Tahoma", system-ui, sans-serif;
  --font: "IBM Plex Sans Arabic", "Segoe UI", "Tahoma", system-ui, sans-serif;
}

* { box-sizing: border-box; }

.auth-body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  font-family: var(--font);
  color: var(--ink);
  /* warm canvas with a soft mindex-purple glow and a faint teal echo */
  background:
    radial-gradient(1100px 560px at 100% -12%, rgba(122, 62, 157, .12), transparent 55%),
    radial-gradient(820px 520px at -10% 112%, rgba(63, 182, 196, .10), transparent 55%),
    var(--bg);
}

.auth-card {
  position: relative;
  width: 100%;
  max-width: 400px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 30px 30px;
  box-shadow: 0 18px 50px rgba(43, 37, 48, .10);
  overflow: hidden;
}
/* signature: a slim brand ribbon along the top edge (purple → teal, a whisper of gold) */
.auth-card::before {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 4px;
  background: linear-gradient(90deg, var(--brand) 0%, var(--brand) 55%, var(--teal) 100%);
}

.auth-brand { text-align: center; margin-bottom: 26px; }
.auth-logo {
  display: block;
  width: 84px; height: 84px;
  margin: 4px auto 14px;
  object-fit: contain;
  /* soft purple halo so the round badge sits on the card intentionally */
  border-radius: 50%;
  box-shadow: 0 6px 20px rgba(122, 62, 157, .18);
}
.auth-title {
  margin: 4px 0;
  font-family: var(--font-display);
  font-size: 22px; font-weight: 700; letter-spacing: .2px;
  color: var(--brand);
}
.auth-subtitle { margin: 0; color: var(--muted); font-size: 13px; }

.field { margin-bottom: 16px; display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; font-weight: 600; color: var(--ink); }

.input {
  width: 100%;
  padding: 11px 13px;
  font: inherit;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color .15s, box-shadow .15s;
}
.input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(122, 62, 157, .20);   /* visible focus ring (a11y) */
}

.btn-primary {
  width: 100%;
  margin-top: 8px;
  padding: 12px 16px;
  font: inherit; font-weight: 700;
  color: #fff; background: var(--brand);
  border: 0; border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background .15s, box-shadow .15s;
}
.btn-primary:hover { background: var(--brand-strong); }
.btn-primary:focus-visible { outline: 3px solid rgba(122, 62, 157, .45); outline-offset: 2px; }

.field-error { color: var(--danger); font-size: 12px; }

.auth-flash {
  margin-bottom: 16px; padding: 10px 12px;
  border-radius: var(--radius-sm); font-size: 13px; border: 1px solid transparent;
}
.auth-flash--error { color: var(--danger); background: var(--danger-bg); border-color: var(--danger-line); }
.auth-flash--success { color: var(--ok); background: var(--ok-bg); border-color: var(--ok-line); }