/**
 * Kisasa Designs — login / auth presentation (Visual Stream V1)
 * Depends on kisasa-brand.css tokens.
 */

/* This sheet's rem sizing is authored against a 16px root, but Bootstrap sets
   `html { font-size: 10px }`, which rendered the whole panel at 62.5% (8.75px
   labels). Only login.php loads this sheet, so restoring the root here is safe. */
html {
  font-size: 16px;
}

@keyframes kisasa-login-fade-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes kisasa-login-glow {
  0%,
  100% {
    opacity: 0.45;
  }
  50% {
    opacity: 0.7;
  }
}

.kisasa-login {
  min-height: 100vh;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  overflow-y: auto;
  font-family: var(--kisasa-font-sans);
  color: var(--kisasa-text);
  background: var(--kisasa-bg-deep);
}

.kisasa-login__atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 90% 70% at 15% 10%, rgba(166, 124, 82, 0.22), transparent 55%),
    radial-gradient(ellipse 80% 60% at 90% 85%, rgba(230, 228, 226, 0.08), transparent 50%),
    linear-gradient(155deg, #3b1e1e 0%, #2a1515 42%, #1f1010 100%);
}

.kisasa-login__atmosphere::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.07;
  background-image:
    repeating-linear-gradient(
      -32deg,
      transparent,
      transparent 11px,
      rgba(230, 228, 226, 0.55) 11px,
      rgba(230, 228, 226, 0.55) 12px
    ),
    repeating-linear-gradient(
      58deg,
      transparent,
      transparent 17px,
      rgba(166, 124, 82, 0.4) 17px,
      rgba(166, 124, 82, 0.4) 18px
    );
}

.kisasa-login__atmosphere::after {
  content: "";
  position: absolute;
  width: min(70vw, 520px);
  height: min(70vw, 520px);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -58%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(166, 124, 82, 0.18), transparent 68%);
  animation: kisasa-login-glow 7s ease-in-out infinite;
}

.kisasa-login__shell {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem 1.25rem 1.5rem;
  box-sizing: border-box;
}

.kisasa-login__panel {
  width: 100%;
  max-width: 420px;
  padding: 2.25rem 2rem 1.75rem;
  background: linear-gradient(180deg, var(--kisasa-surface-elevated) 0%, var(--kisasa-surface) 100%);
  border: 1px solid rgba(230, 228, 226, 0.18);
  border-radius: var(--kisasa-radius-lg);
  box-shadow: var(--kisasa-shadow-lg);
  animation: kisasa-login-fade-up var(--kisasa-duration) var(--kisasa-ease) both;
}

.kisasa-login__brand {
  text-align: center;
  margin-bottom: 1.75rem;
}

.kisasa-login__logo {
  display: block;
  width: min(220px, 72vw);
  height: auto;
  margin: 0 auto 1rem;
  filter: drop-shadow(0 4px 16px rgba(42, 21, 21, 0.18));
}

.kisasa-login__tagline {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--kisasa-text-secondary);
  line-height: 1.45;
}

.kisasa-login__heading {
  margin: 0 0 1.25rem;
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--kisasa-primary);
  text-align: center;
}

.kisasa-login__form .form-group {
  margin-bottom: 1rem;
}

.kisasa-login__label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--kisasa-text-secondary);
}

.kisasa-login__form .form-control {
  height: 48px;
  padding: 0.6rem 0.9rem;
  font-family: var(--kisasa-font-sans);
  font-size: 1.0625rem;
  color: var(--kisasa-text);
  background: var(--kisasa-surface-elevated);
  border: 1px solid var(--kisasa-border);
  border-radius: var(--kisasa-radius);
  box-shadow: none;
  transition:
    border-color var(--kisasa-duration) var(--kisasa-ease),
    box-shadow var(--kisasa-duration) var(--kisasa-ease);
}

.kisasa-login__form .form-control:focus {
  border-color: var(--kisasa-primary);
  box-shadow: 0 0 0 3px var(--kisasa-focus-ring);
  outline: none;
}

.kisasa-login__form .form-control::placeholder {
  color: var(--kisasa-text-muted);
}

.kisasa-login__submit {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.85rem 1rem;
  font-family: var(--kisasa-font-sans);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--kisasa-text-on-primary);
  background: var(--kisasa-primary);
  border: none;
  border-radius: var(--kisasa-radius);
  box-shadow: var(--kisasa-shadow-sm);
  cursor: pointer;
  transition:
    background var(--kisasa-duration) var(--kisasa-ease),
    transform 160ms var(--kisasa-ease),
    box-shadow var(--kisasa-duration) var(--kisasa-ease);
}

.kisasa-login__submit:hover,
.kisasa-login__submit:focus {
  background: var(--kisasa-primary-hover);
  color: var(--kisasa-text-on-primary);
  box-shadow: var(--kisasa-shadow);
  outline: none;
}

.kisasa-login__submit:active {
  background: var(--kisasa-primary-active);
  transform: translateY(1px);
}

.kisasa-login__support {
  margin-top: 1.5rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--kisasa-border);
  text-align: center;
  font-size: 0.9375rem;
  color: var(--kisasa-text-muted);
}

.kisasa-login__support-label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--kisasa-text-secondary);
}

.kisasa-login__support a {
  color: var(--kisasa-primary);
  text-decoration: none;
  transition: color var(--kisasa-duration) var(--kisasa-ease);
}

.kisasa-login__support a:hover,
.kisasa-login__support a:focus {
  color: var(--kisasa-accent);
  text-decoration: underline;
}

.kisasa-login__support-sep {
  margin: 0 0.45rem;
  color: var(--kisasa-border-strong);
}

.kisasa-login__footer {
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: rgba(230, 228, 226, 0.55);
  text-align: center;
  animation: kisasa-login-fade-up calc(var(--kisasa-duration) + 80ms) var(--kisasa-ease) both;
}

/* OTP / one-time token card (form.ot_auth.php) */
.kisasa-login .card-box {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  padding: 2rem 1.75rem 1.5rem;
  background: linear-gradient(180deg, var(--kisasa-surface-elevated) 0%, var(--kisasa-surface) 100%);
  border: 1px solid rgba(230, 228, 226, 0.18);
  border-radius: var(--kisasa-radius-lg);
  box-shadow: var(--kisasa-shadow-lg);
  animation: kisasa-login-fade-up var(--kisasa-duration) var(--kisasa-ease) both;
}

.kisasa-login .card-box h4 {
  color: var(--kisasa-primary);
  font-size: 1rem;
  letter-spacing: 0.12em;
}

.kisasa-login .card-box small {
  font-size: 0.9375rem;
  color: var(--kisasa-text-muted) !important;
}

.kisasa-login .card-box .btn-custom,
.kisasa-login .card-box .btn-bordred {
  background: var(--kisasa-primary) !important;
  border-color: var(--kisasa-primary) !important;
  color: var(--kisasa-text-on-primary) !important;
}

.kisasa-login .card-box a {
  color: var(--kisasa-primary);
}

@media (max-width: 480px) {
  .kisasa-login__panel {
    padding: 1.75rem 1.25rem 1.35rem;
  }

  .kisasa-login__logo {
    width: min(180px, 68vw);
  }

  .kisasa-login__support-sep {
    display: none;
  }

  .kisasa-login__support a {
    display: block;
    margin: 0.25rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .kisasa-login__panel,
  .kisasa-login__footer,
  .kisasa-login .card-box,
  .kisasa-login__atmosphere::after {
    animation: none;
  }
}