/* The sign-in pages (owner, 2026-10-03). One focal point: the field and the
   button. Brand: forest green #143A2A, brass #B98942; Vazirmatn for Persian
   and Arabic, Inter (self-hosted) for Latin scripts. Light and dark from the
   system; motion only when the system allows it. No external requests. */
:root {
  --si-brand: #143A2A;
  --si-brand-hover: #0F2E21;
  --si-gold: #B98942;
  --si-bg: #F6F4EF;
  --si-surface: #FFFFFF;
  --si-ink: #101814;
  --si-ink-2: #46544B;
  --si-ink-3: #6B7870;
  --si-line: #E2E6E1;
  --si-line-strong: #C8D0CA;
  --si-field: #FFFFFF;
  --si-ring: rgba(20, 58, 42, .18);
  --si-ok-bg: #EEF5F0;
  --si-ok-ink: #1C4A35;
  --si-warn-bg: #FBF3E6;
  --si-warn-ink: #7A5212;
  --si-warn-line: #E4C48F;
  --si-btn-ink: #FFFFFF;
  --si-btn-bg: #143A2A;
  --si-btn-bg-hover: #0F2E21;
  --si-btn-edge: transparent;
  --si-shadow: 0 1px 2px rgba(16, 24, 20, .04), 0 12px 32px -12px rgba(16, 24, 20, .12);
  --si-radius: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --si-brand: #3E9A6E;
    --si-brand-hover: #4BAA7C;
    --si-bg: #0B1511;
    --si-surface: #111E18;
    --si-ink: #EDF2EE;
    --si-ink-2: #B4C2B9;
    --si-ink-3: #8C9B92;
    --si-line: #1F3128;
    --si-line-strong: #2E4539;
    --si-field: #0D1913;
    --si-ring: rgba(62, 154, 110, .28);
    --si-ok-bg: #15281F;
    --si-ok-ink: #CFE6D8;
    --si-warn-bg: #2A2112;
    --si-warn-ink: #F1D7A8;
    --si-warn-line: #6B5326;
    --si-btn-ink: #F3EFE4;
    --si-btn-bg: #1A4A35;
    --si-btn-bg-hover: #215A41;
    --si-btn-edge: rgba(185, 137, 66, .75);
    --si-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 16px 40px -16px rgba(0, 0, 0, .6);
    color-scheme: dark;
  }
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; }
body.si {
  min-height: 100vh; min-height: 100dvh;
  display: flex; flex-direction: column;
  background: var(--si-bg); color: var(--si-ink);
  font-family: "Vazirmatn", system-ui, sans-serif;
  font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: 100%;
}
body.si--latin { font-family: "Inter", "Vazirmatn", system-ui, -apple-system, "Segoe UI", sans-serif; letter-spacing: -0.006em; }

/* top bar */
.si-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 20px; max-width: 1040px; width: 100%; margin: 0 auto; }
.si-brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: 16px; color: var(--si-ink); }
.si-brand img { width: 32px; height: 32px; }
.si-logo-dark { display: none; }
@media (prefers-color-scheme: dark) { .si-logo-light { display: none; } .si-logo-dark { display: inline; } }
.si-lang { position: relative; }
.si-lang > summary {
  display: inline-flex; align-items: center; gap: 6px; min-height: 40px; padding: 0 12px; border-radius: 999px;
  list-style: none; cursor: pointer; color: var(--si-ink-2); font-size: 15px; border: 1px solid var(--si-line);
  background: var(--si-surface);
}
.si-lang > summary::-webkit-details-marker { display: none; }
.si-lang > summary:focus-visible { outline: 3px solid var(--si-ring); outline-offset: 2px; }
.si-lang ul {
  position: absolute; inset-inline-end: 0; top: calc(100% + 6px); z-index: 5; min-width: 168px; margin: 0; padding: 6px;
  list-style: none; background: var(--si-surface); border: 1px solid var(--si-line); border-radius: 12px; box-shadow: var(--si-shadow);
}
.si-lang a { display: block; padding: 10px 12px; border-radius: 8px; color: var(--si-ink); text-decoration: none; font-size: 15px; }
.si-lang a:hover, .si-lang a:focus-visible { background: var(--si-bg); outline: none; }
.si-lang a[aria-current="true"] { font-weight: 600; color: var(--si-brand); }

/* card */
.si-main { flex: 1; width: 100%; max-width: 440px; margin: 0 auto; padding: 12px 20px 40px; }
.si-card {
  background: var(--si-surface); border: 1px solid var(--si-line); border-radius: 16px;
  padding: 32px 24px 28px; box-shadow: var(--si-shadow);
}
@media (min-width: 520px) { .si-main { padding-top: 6vh; } .si-card { padding: 40px 36px 32px; } }
.si-card h1 { margin: 0; font-size: 24px; line-height: 1.3; font-weight: 700; letter-spacing: -0.015em; text-wrap: balance; }
.si-sub { margin: 10px 0 28px; color: var(--si-ink-2); font-size: 16px; line-height: 1.65; }

/* fields */
.si-form { display: grid; gap: 10px; margin: 0; }
.si-label { font-size: 14px; font-weight: 600; color: var(--si-ink-2); }
.si-field {
  display: flex; align-items: stretch; min-height: 56px; border: 1.5px solid var(--si-line-strong); border-radius: var(--si-radius);
  background: var(--si-field); transition: border-color .15s ease, box-shadow .15s ease;
}
.si-field:focus-within { border-color: var(--si-brand); box-shadow: 0 0 0 4px var(--si-ring); }
.si-field.is-invalid { border-color: var(--si-warn-line); box-shadow: 0 0 0 4px rgba(228, 196, 143, .25); }
.si-cc {
  display: inline-flex; align-items: center; gap: 8px; padding: 0 12px 0 14px; color: var(--si-ink-2); font-size: 17px;
  border-inline-end: 1px solid var(--si-line); font-family: inherit; font-variant-numeric: tabular-nums;
}
.si-cc svg { border-radius: 2px; box-shadow: 0 0 0 1px rgba(0, 0, 0, .08); }
.si-input {
  flex: 1; min-width: 0; width: 100%; min-height: 53px; padding: 0 14px; border: 0; border-radius: var(--si-radius);
  background: transparent; color: var(--si-ink); font: inherit; font-size: 18px; outline: none;
}
.si-input--tel { font-family: inherit; font-size: 19px; letter-spacing: .02em; font-variant-numeric: tabular-nums; }
.si-input::placeholder { color: var(--si-ink-3); opacity: .75; }
/* the code field without JavaScript: one wide box */
.si-input--code {
  flex: none; min-height: 60px; border: 1.5px solid var(--si-line-strong); background: var(--si-field); text-align: center;
  font-family: inherit; font-size: 28px; letter-spacing: .45em; font-variant-numeric: tabular-nums;
  padding-inline-start: calc(14px + .45em); transition: border-color .15s ease, box-shadow .15s ease;
}
.si-input--code:focus { border-color: var(--si-brand); box-shadow: 0 0 0 4px var(--si-ring); }
.si-input--code.is-invalid { border-color: var(--si-warn-line); }
/* the code field with JavaScript: six boxes */
.si-otp { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; direction: ltr; }
.si-otp input {
  width: 100%; min-width: 0; aspect-ratio: 1 / 1.15; max-height: 64px; border: 1.5px solid var(--si-line-strong); border-radius: 10px;
  background: var(--si-field); color: var(--si-ink); text-align: center; font-family: inherit;
  font-size: 26px; font-weight: 600; font-variant-numeric: tabular-nums; outline: none; padding: 0;
  transition: border-color .12s ease, box-shadow .12s ease, transform .12s ease;
}
.si-otp input:focus { border-color: var(--si-brand); box-shadow: 0 0 0 4px var(--si-ring); }
.si-otp input.is-filled { border-color: var(--si-ink-3); }
.si-otp.is-invalid input { border-color: var(--si-warn-line); }
.si-hint { margin: 2px 0 0; color: var(--si-ink-3); font-size: 14px; line-height: 1.55; }

/* button */
.si-btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px; margin-top: 8px;
  width: 100%; min-height: 54px; padding: 0 20px; border-radius: var(--si-radius);
  background: var(--si-btn-bg); color: var(--si-btn-ink); border: 1px solid var(--si-btn-edge);
  font: inherit; font-size: 17px; font-weight: 600; cursor: pointer;
  transition: background-color .15s ease, transform .06s ease;
}
.si-btn:hover { background: var(--si-btn-bg-hover); }
.si-btn:active { transform: translateY(1px); }
.si-btn:focus-visible { outline: none; box-shadow: 0 0 0 4px var(--si-ring); }
.si-spin { display: none; width: 18px; height: 18px; border-radius: 50%; border: 2px solid currentColor; border-inline-end-color: transparent; }
.si-btn[aria-busy="true"] { cursor: progress; opacity: .92; }
.si-btn[aria-busy="true"] .si-spin { display: inline-block; animation: si-spin .7s linear infinite; }
@keyframes si-spin { to { transform: rotate(360deg); } }

/* notices: calm, never raw red */
.si-notice {
  display: flex; align-items: flex-start; gap: 10px; margin: -8px 0 22px; padding: 12px 14px; border-radius: 10px;
  background: var(--si-ok-bg); color: var(--si-ok-ink); font-size: 15px; line-height: 1.6;
}
.si-notice svg { flex: none; margin-top: 3px; }
.si-notice--warn { background: var(--si-warn-bg); color: var(--si-warn-ink); }

.si-facts { margin: 14px 0 0; color: var(--si-ink-3); font-size: 14px; text-align: center; }
.si-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--si-line); }
.si-inline { margin: 0; }
.si-link {
  background: none; border: 0; padding: 6px 0; font: inherit; font-size: 15px; font-weight: 500;
  color: var(--si-brand); text-decoration: none; cursor: pointer; border-radius: 4px;
}
.si-link:hover { text-decoration: underline; text-underline-offset: 3px; }
.si-link:focus-visible { outline: 3px solid var(--si-ring); outline-offset: 2px; }
.si-link[disabled] { color: var(--si-ink-3); cursor: default; text-decoration: none; }

.si-or { display: flex; align-items: center; gap: 12px; margin: 22px 0 6px; color: var(--si-ink-3); font-size: 13px; }
.si-or::before, .si-or::after { content: ""; flex: 1; height: 1px; background: var(--si-line); }
.si-alt > summary {
  display: flex; align-items: center; justify-content: center; min-height: 48px; padding: 8px 16px; text-align: center; line-height: 1.4;
  border: 1.5px solid var(--si-line-strong); border-radius: var(--si-radius);
  color: var(--si-ink); font-weight: 500; font-size: 16px; cursor: pointer; list-style: none; background: var(--si-surface);
}
.si-alt > summary::-webkit-details-marker { display: none; }
.si-alt > summary:hover { border-color: var(--si-ink-3); }
.si-alt > summary:focus-visible { outline: none; box-shadow: 0 0 0 4px var(--si-ring); }
.si-alt[open] > summary { display: none; }

.si-trust { margin: 20px 0 0; color: var(--si-ink-2); font-size: 14px; text-align: center; text-wrap: balance; }
.si-trust svg { display: inline-block; vertical-align: -3px; color: var(--si-gold); }
.si-foot { margin: 14px 0 0; text-align: center; font-size: 14px; }
.si-foot a { color: var(--si-ink-3); text-decoration: none; }
.si-foot a:hover { text-decoration: underline; }
.si-ltr { direction: ltr; unicode-bidi: isolate; }

/* a step arrives, it does not jump */
@media (prefers-reduced-motion: no-preference) {
  .si-enter { animation: si-enter .28s cubic-bezier(.2, .7, .2, 1) both; }
  @keyframes si-enter { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
}