/* Auth pages — dark theme */
:root {
  --aa-bg: #05070b;
  --aa-card: #0c1018;
  --aa-text: #f2f4f7;
  --aa-muted: #9aa3b2;
  --aa-faint: #6b7380;
  --aa-line: rgba(255, 255, 255, 0.1);
  --aa-line-strong: rgba(255, 255, 255, 0.2);
  --aa-input: #080b11;
  --aa-solid: #f5f7fa;
}

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

html, body {
  margin: 0;
  min-height: 100%;
}

body.aid-auth {
  min-height: 100vh;
  font-family: "Vazirmatn", Tahoma, sans-serif;
  background: var(--aa-bg);
  color: var(--aa-text);
  position: relative;
  overflow-x: hidden;
}

.aid-auth-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.aid-auth-glow {
  position: absolute;
  width: min(70vw, 520px);
  height: min(70vw, 520px);
  border-radius: 50%;
  filter: blur(90px);
  background: radial-gradient(circle, rgba(148, 163, 184, 0.22), transparent 70%);
  top: -12%;
  inset-inline-start: -10%;
}

.aid-auth-glow--b {
  top: auto;
  bottom: -18%;
  inset-inline-start: auto;
  inset-inline-end: -8%;
  width: min(55vw, 420px);
  height: min(55vw, 420px);
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 70%);
}

.aid-auth-mark-bg {
  position: absolute;
  inset-inline-end: -4%;
  top: 42%;
  transform: translateY(-50%);
  font-size: min(48vw, 360px);
  line-height: 1;
  color: rgba(255, 255, 255, 0.035);
}

.aid-auth-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem 2rem;
  gap: 1rem;
}

.aid-auth-back {
  align-self: stretch;
  max-width: 420px;
  width: 100%;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--aa-muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.aid-auth-back:hover { color: #fff; }

.aid-auth-card {
  width: 100%;
  max-width: 420px;
  padding: 1.85rem 1.55rem 1.65rem;
  border-radius: 18px;
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.04) 0%, transparent 40%), var(--aa-card);
  border: 1px solid var(--aa-line);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.5);
}

.aid-auth-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.35rem;
}
.aid-auth-logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--aa-line);
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.85);
  overflow: hidden;
}
.aid-auth-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.aid-auth-brand strong {
  display: block;
  font-family: "Syne", "Vazirmatn", sans-serif;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.aid-auth-brand em {
  display: block;
  font-style: normal;
  font-size: 0.78rem;
  color: var(--aa-faint);
  margin-top: 0.1rem;
}

.aid-auth-card h1 {
  margin: 0 0 0.4rem;
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.aid-auth-sub {
  margin: 0 0 1.35rem;
  color: var(--aa-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.aid-auth-messages { margin-bottom: 1rem; }
.aid-auth-alert {
  padding: 0.7rem 0.85rem;
  border-radius: 10px;
  font-size: 0.86rem;
  line-height: 1.5;
  margin-bottom: 0.45rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--aa-line);
  color: var(--aa-text);
}
.aid-auth-alert--error,
.aid-auth-alert--danger {
  background: rgba(248, 113, 113, 0.12);
  border-color: rgba(248, 113, 113, 0.28);
  color: #fecaca;
}
.aid-auth-alert--success {
  background: rgba(134, 239, 172, 0.1);
  border-color: rgba(134, 239, 172, 0.25);
  color: #bbf7d0;
}

.aid-auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
  padding: 0.3rem;
  margin-bottom: 1.15rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--aa-line);
}
.aid-auth-tab {
  text-align: center;
  padding: 0.55rem 0.5rem;
  border-radius: 9px;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--aa-muted);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}
.aid-auth-tab:hover { color: #fff; text-decoration: none; }
.aid-auth-tab.is-active {
  background: var(--aa-solid);
  color: #0a0e14 !important;
}

.aid-auth-field { margin-bottom: 1rem; }
.aid-auth-field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--aa-muted);
  margin-bottom: 0.4rem;
}

.aid-auth-input {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0 0.9rem;
  border-radius: 11px;
  background: var(--aa-input) !important;
  border: 1px solid var(--aa-line);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.aid-auth-input:focus-within {
  border-color: var(--aa-line-strong);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
}
.aid-auth-input > i {
  color: var(--aa-faint);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.aid-auth-input input,
.aid-auth-form .form-control,
.aid-auth-form input[type="text"],
.aid-auth-form input[type="password"],
.aid-auth-form input[type="tel"],
.aid-auth-form input[type="number"] {
  flex: 1;
  width: 100% !important;
  min-width: 0;
  margin: 0 !important;
  padding: 0.85rem 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  color: var(--aa-text) !important;
  font-size: 0.95rem !important;
  font-family: inherit !important;
  box-shadow: none !important;
  outline: none !important;
  -webkit-appearance: none;
  appearance: none;
}
.aid-auth-input input::placeholder,
.aid-auth-form .form-control::placeholder {
  color: var(--aa-faint) !important;
  opacity: 1;
}
.aid-auth-input input:-webkit-autofill,
.aid-auth-input input:-webkit-autofill:hover,
.aid-auth-input input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--aa-text) !important;
  -webkit-box-shadow: 0 0 0 1000px var(--aa-input) inset !important;
  transition: background-color 9999s ease-out;
  caret-color: var(--aa-text);
}

.aid-auth-error {
  margin-top: 0.4rem;
  font-size: 0.8rem;
  color: #fca5a5;
}

.aid-auth-submit {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.95rem 1rem;
  border: 0;
  border-radius: 11px;
  background: var(--aa-solid) !important;
  color: #0a0e14 !important;
  font-weight: 800;
  font-size: 0.95rem;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.35);
  transition: background 0.2s ease, transform 0.15s ease;
}
.aid-auth-submit:hover {
  background: #fff !important;
  transform: translateY(-1px);
}

.aid-auth-foot {
  margin: 1.25rem 0 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--aa-faint);
  line-height: 1.6;
}
.aid-auth-foot a {
  color: var(--aa-muted);
  text-decoration: none;
  font-weight: 600;
}
.aid-auth-foot a:hover { color: #fff; }

@media (max-width: 480px) {
  .aid-auth-card { padding: 1.5rem 1.2rem 1.35rem; }
  .aid-auth-mark-bg { opacity: 0.7; inset-inline-end: -18%; }
}