@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --brand-primary: #0E519E;
  --brand-primary-dark: #0a3d78;
  --brand-primary-light: #1a6bc4;
  --brand-primary-rgb: 14, 81, 158;
  --ink-900: #101828;
  --ink-700: #344054;
  --ink-500: #667085;
  --ink-400: #98a2b3;
  --ink-300: #d0d5dd;
  --border-subtle: #e4e7ec;
  --surface-muted: #f7f8fa;
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, "Segoe UI", sans-serif;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 22px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.75rem 1rem;
  font-family: var(--font-body);
  color: var(--ink-700);
  background:
    radial-gradient(900px 620px at 85% -10%, rgba(26, 107, 196, .55), transparent 60%),
    radial-gradient(760px 540px at -12% 110%, rgba(6, 34, 66, .85), transparent 58%),
    linear-gradient(150deg, var(--brand-primary-dark) 0%, var(--brand-primary) 55%, var(--brand-primary-light) 100%);
  /* background-attachment: fixed kullanılmıyor — iOS Safari'de bozuk render
     eder; sayfa zaten tek ekran olduğundan varsayılan davranış yeterli. */
  overflow-x: clip;
}

/* Faint engineering dot-grid over the backdrop, fading out at the edges */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, .13) 1px, transparent 1.4px);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 42%, #000 0%, transparent 100%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 42%, #000 0%, transparent 100%);
  pointer-events: none;
}

/* Slow-drifting light orb — one soft highlight, not a light show */
body::after {
  content: "";
  position: fixed;
  width: 520px;
  height: 520px;
  top: -160px;
  right: -140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, .14), transparent 62%);
  animation: orb-drift 16s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes orb-drift {
  from { transform: translate(0, 0); }
  to { transform: translate(-36px, 44px); }
}

/* Same one-shot entrance used across the authenticated app, so moving from
   Login into the dashboard doesn't feel like switching products. */
@keyframes auth-card-enter {
  from { opacity: 0; transform: translateY(14px) scale(.99); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

.auth-card {
  position: relative;
  z-index: 1;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow:
    0 32px 88px -22px rgba(3, 16, 36, .6),
    0 0 0 1px rgba(255, 255, 255, .22);
  overflow: hidden;
  max-width: 440px;
  width: 100%;
  animation: auth-card-enter 320ms cubic-bezier(.4, 0, .2, 1) both;
}

.auth-header {
  background: linear-gradient(140deg, var(--brand-primary-dark) 0%, var(--brand-primary) 62%, var(--brand-primary-light) 100%);
  padding: 2.35rem 2rem 1.9rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Header inherits the same dot-grid signature, denser and dimmer */
.auth-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, .18) 1px, transparent 1.3px);
  background-size: 17px 17px;
  opacity: .45;
  pointer-events: none;
}

.auth-header::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: rgba(255, 255, 255, .2);
}

.auth-header img {
  position: relative;
  max-height: 62px;
  object-fit: contain;
  margin-bottom: .9rem;
  padding: .55rem .7rem;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: var(--radius-md);
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, .25));
}

.auth-header h4 {
  position: relative;
  font-family: var(--font-display);
  color: #fff;
  font-weight: 700;
  letter-spacing: .1px;
  margin: 0 0 .2rem;
}

.auth-header p {
  position: relative;
  font-size: .76rem;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .72);
  margin: 0;
}

.auth-body {
  padding: 2rem;
}

.auth-body h5 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink-900);
}

.auth-body .form-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .2px;
  color: var(--ink-700);
}

.auth-body .form-control,
.auth-body .form-select {
  border-radius: var(--radius-sm);
  border-color: var(--ink-300);
  padding-top: .6rem;
  padding-bottom: .6rem;
}

.auth-body .form-control:focus,
.auth-body .form-select:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 .22rem rgba(var(--brand-primary-rgb), .16);
}

.auth-body .input-group-text {
  background-color: var(--surface-muted);
  border-color: var(--ink-300);
  color: var(--ink-500);
  border-top-left-radius: var(--radius-sm);
  border-bottom-left-radius: var(--radius-sm);
}

.auth-body .input-group > .form-control:last-child,
.auth-body .input-group > .btn:last-child {
  border-top-right-radius: var(--radius-sm);
  border-bottom-right-radius: var(--radius-sm);
}

.auth-body .form-check-input:checked {
  background-color: var(--brand-primary);
  border-color: var(--brand-primary);
}

.btn-login {
  background: linear-gradient(135deg, var(--brand-primary-light), var(--brand-primary) 60%, var(--brand-primary-dark));
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .98rem;
  letter-spacing: .2px;
  color: #fff;
  box-shadow: 0 10px 24px -10px rgba(var(--brand-primary-rgb), .55);
  transition: box-shadow 150ms ease, transform 150ms ease, filter 150ms ease;
}

.btn-login:hover,
.btn-login:focus {
  color: #fff;
  filter: brightness(1.06);
  transform: translateY(-1px);
  box-shadow: 0 14px 30px -10px rgba(var(--brand-primary-rgb), .65);
}

.btn-login:active { transform: translateY(1px); }

.toggle-password-btn { border-color: var(--ink-300); }

.auth-body a.text-decoration-none {
  color: var(--brand-primary);
  font-weight: 500;
}

.auth-body a.text-decoration-none:hover {
  color: var(--brand-primary-dark);
}

.auth-footnote {
  text-align: center;
  font-size: .8rem;
  color: var(--ink-400);
  margin-top: 1.25rem;
}

@media (max-width: 420px) {
  body { padding: 1rem .75rem; }
  .auth-card { border-radius: var(--radius-md); }
  .auth-header { padding: 1.85rem 1.5rem 1.5rem; }
  .auth-body { padding: 1.5rem 1.25rem; }
}