@font-face {
  font-family: "Noto Sans";
  src: url("/app-assets/fonts/NotoSans-Brand-Latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: dark;

  
  --bg-deep: #0B1B2F;
  --bg-warm: #13263A;
  --bg-surface: #1A3045;
  --bg-elevated: #243B50;
  --text-primary: #F4F0E7;
  --text-secondary: #C7CDD2;
  --text-muted: #AAB3B8;
  --border: #4A5A6A;
  --border-strong: #71808D;
  --brand-active: #D5942D;
  --brand-continuity: #A6AE87;
  --warning: #F0B85A;
  --error: #F08A83;

  --font-sans: "Noto Sans", "Noto Sans Arabic", "Noto Sans Devanagari", system-ui, sans-serif;

  --s1: 4px;  --s2: 8px;  --s3: 16px; --s4: 24px;
  --s5: 32px; --s6: 48px; --s7: 64px; --s8: 96px;

  --r-control: 6px;
  --r-plane: 8px;
  --r-sheet: 12px;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  background: #0B1B2F;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-deep);
  color: var(--text-primary);
  font: 400 17px/1.6 var(--font-sans);
  overflow-wrap: break-word;
}

a { color: inherit; text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--brand-active); outline-offset: 3px; }

.skip {
  position: fixed;
  z-index: 99;
  inset-inline-start: var(--s3);
  inset-block-start: var(--s2);
  transform: translateY(-200%);
  padding: 12px 20px;
  background: #F4F0E7;
  color: #0B1B2F;
  font-weight: 600;
  border-radius: var(--r-control);
  text-decoration: none;
}
.skip:focus { transform: none; }





main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s6) var(--s4);
}

.app-foot {
  padding: var(--s4);
  text-align: center;
  font-size: 15px;
  color: var(--text-muted);
}
.app-foot a { color: var(--text-secondary); }





.signin {
  width: min(440px, 100%);
  padding: var(--s6) var(--s5);
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: var(--r-sheet);
}

.signin--wide { width: min(680px, 100%); }



.signin-stack {
  display: flex;
  flex-direction: column;
  width: min(440px, 100%);
}
.signin-stack .signin { width: 100%; }
.signin-stack .note:first-of-type { margin-top: var(--s4); }
.signin-stack .note + .note { margin-top: var(--s3); }

.field textarea {
  width: 100%;
  min-height: 160px;
  padding: 12px var(--s3);
  font: 400 17px/1.5 var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-control);
  resize: vertical;
}
.field select {
  width: 100%;
  min-height: 48px;
  padding: 12px var(--s3);
  font: 400 17px/1.5 var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-control);
}

.signin h1 {
  margin: 0 0 var(--s2);
  font-size: 30px;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.015em;
}
.signin .lede {
  margin: 0 0 var(--s5);
  color: var(--text-secondary);
  font-size: 15px;
}




.signin form { margin-top: var(--s5); }

.field { display: block; margin-bottom: var(--s3); }
.field span {
  display: block;
  margin-bottom: var(--s1);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.field input {
  width: 100%;
  min-height: 48px;
  padding: 12px var(--s3);
  font: 400 17px/1.5 var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-control);
}
.field input:focus { border-color: var(--border-strong); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 48px;
  padding: 12px 20px;
  border: 0;
  border-radius: var(--r-control);
  font: 600 16px/1.4 var(--font-sans);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 100ms ease-out, opacity 100ms ease-out;
}
.button--primary { background: var(--brand-active); color: var(--bg-deep); }
.button--primary:hover { opacity: .9; }
.button--secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}
.button--secondary:hover { border-color: var(--text-primary); }







.or {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--s3);
  margin: var(--s5) 0;
  color: var(--text-secondary);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.or::before, .or::after { content: ""; height: 1px; background: var(--border); }

.note {
  margin: var(--s4) 0 0;
  font-size: 15px;
  color: var(--text-muted);
}
.note a { color: var(--text-secondary); }



.notice {
  margin-bottom: var(--s4);
  padding: var(--s3) var(--s4);
  


  background: #F4F0E7;
  color: #0B1B2F;
  border-inline-start: 4px solid #704700;
  border-radius: var(--r-plane);
  font-size: 15px;
}
.notice a { color: #1E607D; }
.notice--error { border-inline-start-color: #94342F; }
.notice--error b { color: #94342F; }


body.app-light .notice { background: var(--bg-elevated); }
.notice b { display: block; margin-bottom: var(--s1); }

@media (max-width: 430px) {
  .signin { padding: var(--s5) var(--s4); }
  }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}






.field--check {
  display: flex;
  align-items: flex-start;
  gap: var(--s3);
}
.field--check input {
  width: auto;
  min-height: 0;
  margin-top: 4px;
  flex: 0 0 auto;
  accent-color: var(--brand-active);
}
.field--check span {
  margin-bottom: 0;
  font-weight: 400;
  letter-spacing: 0;
  font-size: 15px;
  line-height: 1.5;
}
form:has(#tk-thisconv:checked) .field--otherconv { display: none; }








body.app-light {
  color-scheme: light;
  --bg-deep: #F4F0E7;
  --bg-warm: #ECE6DA;
  --bg-surface: #E3DDCF;
  --bg-elevated: #FBF8F1;
  --text-primary: #0B1B2F;
  --text-secondary: #3F4C5B;
  --text-muted: #59636D;
  --text-whisper: #6C747B;
  --border: #9A9488;
  --border-strong: #6F6A61;
  --brand-active: #7E5106;
  --success: #1F6744;
  --warning: #704700;
  --error: #94342F;
  --info: #1E607D;
  background: var(--bg-deep);
  color: var(--text-primary);
}





html { scrollbar-gutter: stable; overflow-y: scroll; }


html:has(body.app-light) { color-scheme: light; }