:root {
  color-scheme: dark;
  --auth-bg: #090D16;
  --auth-panel: #111827d9;
  --auth-ink: #FFFFFF;
  --auth-muted: #94A3B8;
  --auth-line: #1E293Bdb;
  --auth-accent: #10B981;
  --auth-cyan: #22D3EE;
}

body {
  position: relative;
  overflow-x: hidden;
  color: var(--auth-ink);
  background:
    radial-gradient(ellipse at 16% 10%, #10b98124, transparent 32%),
    radial-gradient(ellipse at 88% 78%, #22d3ee1a, transparent 35%),
    linear-gradient(120deg, #090d16f0, #090d16bd),
    url("assets/auth-map-landscape.svg") center / cover fixed,
    var(--auth-bg);
}

body:has(.login-card) {
  display: flex;
  min-height: 100vh;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(20px, 4vh, 42px) 20px 24px;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: -12%;
  background:
    radial-gradient(circle at 20% 25%, #10b98124, transparent 27%),
    radial-gradient(circle at 78% 72%, #22d3ee1a, transparent 28%);
  content: "";
  filter: blur(42px);
  pointer-events: none;
}

.login-card {
  position: relative;
  isolation: isolate;
  z-index: 1;
  width: min(100%, 460px);
  max-height: none;
  overflow: visible;
  padding: clamp(26px, 5vw, 40px);
  border: 1px solid var(--auth-line);
  border-radius: 25px;
  color: var(--auth-ink);
  background: var(--auth-panel);
  box-shadow: 0 24px 80px #0007, 0 0 36px #10b98118, inset 0 1px #ffffff20;
  backdrop-filter: blur(28px) saturate(145%);
  -webkit-backdrop-filter: blur(28px) saturate(145%);
}

@property --safaritrak-outline-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

@keyframes safaritrak-outline-spin {
  to {
    --safaritrak-outline-angle: 360deg;
  }
}

.login-card::after {
  position: absolute;
  z-index: 2;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: conic-gradient(
    from var(--safaritrak-outline-angle),
    transparent 0deg,
    transparent 285deg,
    #8b5cf6 312deg,
    #22d3ee 334deg,
    #e879f9 350deg,
    transparent 360deg
  );
  content: "";
  opacity: 0;
  pointer-events: none;
  transition: opacity .16s ease;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
}

.login-card:is(:hover, :focus-within, .is-engaged)::after {
  opacity: 1;
  animation: safaritrak-outline-spin 7s linear infinite;
}

.welcome-layout {
  position: relative;
  z-index: 1;
}

.brand-mark i {
  color: #fff;
  background: linear-gradient(145deg, #9a42ff, #ec36bd);
  box-shadow: 0 0 20px #ba39ff69;
}

.brand-mark span,
.title {
  color: var(--auth-ink);
}

.subtitle,
.signup-text {
  color: var(--auth-muted);
}

.input-group input {
  border: 1px solid #c073ff42;
  color: var(--auth-ink);
  background: #111020ad;
  box-shadow: inset 0 1px #ffffff0a;
}

.input-group select {
  width: 100%;
  height: 48px;
  padding: 0 48px 0 15px;
  border: 1px solid var(--auth-input-border, #ffffff2b);
  border-radius: 14px;
  outline: none;
  color: var(--auth-input-text, #fff);
  background: var(--auth-input-bg, #ffffff0d);
  font: inherit;
  appearance: none;
}

.input-group select:focus {
  border-color: var(--auth-cyan);
  box-shadow: 0 0 0 3px #22d3ee25;
}

.input-group select option {
  color: #211b31;
}

.account-type-hint {
  margin: -5px 0 12px;
  color: var(--auth-muted, #b9b2c5);
  font-size: 11px;
  line-height: 1.5;
}

.auth-invite-notice {
  margin: 12px 0;
  color: var(--auth-muted, #b9b2c5);
  font-size: 12px;
  line-height: 1.6;
}

.auth-action-link {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.group-invite-card {
  width: min(100% - 32px, 500px);
}

.input-group input::placeholder {
  color: #aaa4bf;
}

.input-group input:focus {
  border-color: var(--auth-cyan);
  background: #111020f5;
  box-shadow: 0 0 0 3px #22d3ee27, 0 0 20px #10b98118;
}

.input-icon {
  color: #d8c9f5;
}

.auth-row,
.remember-me label {
  color: var(--auth-muted);
}

.remember-me input[type="checkbox"] {
  border-color: #c073ff77;
  background-color: #19152a;
}

.remember-me input[type="checkbox"]:checked {
  border-color: #cf55ff;
  background-color: #b538f1;
}

.remember-me label a,
.signup-text a,
.forgot-link {
  color: #e4a4ff;
}

.login-btn {
  border: 1px solid #eea7ff70;
  color: #fff;
  background: linear-gradient(105deg, #913cff, #cc35ce 58%, #ec3d9e);
  box-shadow: 0 8px 24px #ab35f344, inset 0 1px #ffffff32;
}

.login-btn:hover,
.login-btn:focus-visible {
  opacity: 1;
  box-shadow: 0 0 0 3px #df55ff38, 0 10px 30px #ab35f366;
}

.field-error {
  color: #ff9bb5;
}

.auth-theme-toggle {
  position: fixed;
  z-index: 10;
  top: 16px;
  right: 16px;
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  gap: 8px;
  padding: 0 13px;
  border: 1px solid #c357ff82;
  border-radius: 13px;
  color: var(--auth-ink);
  background: #0b0a19bd;
  box-shadow: 0 0 20px #a939ff2b;
  backdrop-filter: blur(16px);
  cursor: pointer;
}

.auth-theme-toggle:focus-visible {
  outline: 2px solid var(--auth-cyan);
  outline-offset: 3px;
}

html[data-theme="light"] {
  color-scheme: light;
  --auth-bg: #F1F5F9;
  --auth-panel: #FFFFFFdc;
  --auth-ink: #0F172A;
  --auth-muted: #64748B;
  --auth-line: #E2E8F0;
  --auth-accent: #059669;
  --auth-cyan: #0891B2;
}

html[data-theme="light"] .login-card {
  background: var(--auth-panel);
  backdrop-filter: blur(28px) saturate(145%);
  -webkit-backdrop-filter: blur(28px) saturate(145%);
}

html[data-theme="light"] body {
  background:
    radial-gradient(ellipse at 16% 10%, #05966912, transparent 32%),
    radial-gradient(ellipse at 88% 78%, #0891b212, transparent 35%),
    linear-gradient(120deg, #F1F5F9f5, #F1F5F9d9),
    url("assets/auth-map-landscape.svg") center / cover fixed,
    #F1F5F9;
}

html[data-theme="light"] body::before {
  opacity: .3;
}

html[data-theme="light"] .auth-invite-notice {
  color: #34204f;
  background: #F0FDF4e8;
}

.auth-invite-notice {
  margin: 0 0 18px;
  padding: 12px 14px;
  border: 1px solid var(--auth-line);
  border-radius: 13px;
  color: var(--auth-ink);
  background: #171126e8;
  font-size: 12px;
  line-height: 1.55;
}

.auth-action-link {
  display: grid;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

html[data-theme="light"] .input-group input {
  color: #0F172A;
  background: #F8FAFCdc;
}

html[data-theme="light"] .input-group select {
  color: var(--auth-input-text, #0F172A);
  background: var(--auth-input-bg, #F8FAFCdc);
}

html[data-theme="light"] .input-group input::placeholder {
  color: #64748B;
}

html[data-theme="light"] .auth-theme-toggle {
  color: #0F172A;
  background: #FFFFFFd9;
}

@media (max-width: 520px) {
  body {
    padding: 14px;
    background:
      radial-gradient(ellipse at 16% 10%, #10b98124, transparent 32%),
      radial-gradient(ellipse at 88% 78%, #22d3ee1a, transparent 35%),
      linear-gradient(145deg, #090d16f0, #090d16bd),
      url("assets/auth-map-portrait.svg") center / cover fixed,
      var(--auth-bg);
  }

  html[data-theme="light"] body {
    background:
      radial-gradient(ellipse at 16% 10%, #05966912, transparent 32%),
      radial-gradient(ellipse at 88% 78%, #0891b212, transparent 35%),
      linear-gradient(145deg, #F1F5F9f5, #F1F5F9d9),
      url("assets/auth-map-portrait.svg") center / cover fixed,
      #F1F5F9;
  }

  .login-card {
    padding: 28px 22px;
    border-radius: 21px;
  }

  .auth-theme-toggle {
    top: 8px;
    right: 8px;
    min-height: 36px;
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .login-card::after {
    animation: none;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}

:root {
  --auth-glass-surface: #111827d9;
  --auth-glass-control: #0F172Ad9;
  --auth-glass-border: #1E293Bdb;
  --auth-glass-shadow: 0 24px 70px #0007, 0 0 32px #10b98118, inset 0 1px #ffffff20;
  --auth-glass-blur: blur(28px) saturate(145%);
}

html[data-theme="light"] {
  --auth-glass-surface: #FFFFFFdc;
  --auth-glass-control: #F8FAFCdc;
  --auth-glass-border: #E2E8F0;
  --auth-glass-shadow: 0 24px 70px #0f172a18, 0 0 28px #05966912, inset 0 1px #ffffffeb;
}

html[data-theme] :is(.login-card, .group-invite-card) {
  border-color: var(--auth-glass-border);
  color: var(--auth-ink);
  background: var(--auth-glass-surface);
  box-shadow: var(--auth-glass-shadow);
  backdrop-filter: var(--auth-glass-blur);
  -webkit-backdrop-filter: var(--auth-glass-blur);
}

html[data-theme] :is(.login-card, .group-invite-card) :is(
  input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="file"]),
  select,
  textarea
) {
  border-color: var(--auth-glass-border);
  color: var(--auth-ink);
  background: var(--auth-glass-control);
  box-shadow: inset 0 1px #ffffff14, 0 8px 24px #0002;
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
}

html[data-theme] :is(.login-card, .group-invite-card) :is(
  input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="file"]),
  select,
  textarea
):is(:focus, :focus-visible) {
  border-color: var(--auth-cyan);
  background: var(--auth-glass-control);
  box-shadow: 0 0 0 3px #22d3ee28, 0 0 20px #10b98118, inset 0 1px #ffffff18;
}

html[data-theme="light"] :is(.login-card, .group-invite-card) select option {
  color: #0F172A;
  background: #F8FAFC;
}

html[data-theme="dark"] :is(.login-card, .group-invite-card) select option {
  color: #F8FAFC;
  background: #111827;
}

html[data-theme] :is(.auth-theme-toggle, .auth-invite-notice) {
  border-color: var(--auth-glass-border);
  color: var(--auth-ink);
  background: var(--auth-glass-surface);
  box-shadow: var(--auth-glass-shadow);
  backdrop-filter: var(--auth-glass-blur);
  -webkit-backdrop-filter: var(--auth-glass-blur);
}