:root {
  --se-ink: #0f2744;
  --se-accent: #0e8f7a;
  --se-accent-2: #0b6f5f;
  --se-paper: #ffffff;
  --se-line: rgba(15, 39, 68, 0.12);
}

/* ── Page preloader (before Angular paints) ───────────────────────── */
#se-preloader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  background:
    radial-gradient(900px 500px at 20% 20%, rgba(14, 143, 122, 0.25), transparent 55%),
    linear-gradient(145deg, #0b1c31 0%, #12324f 50%, #0e4a45 100%);
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
#se-preloader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
#se-preloader .se-spinner {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.18);
  border-top-color: #2dd4bf;
  border-right-color: #0e8f7a;
  animation: se-spin 0.8s linear infinite;
  box-shadow: 0 0 0 6px rgba(14, 143, 122, 0.08);
}
#se-preloader .se-preloader-label {
  color: rgba(255, 255, 255, 0.82);
  font: 500 13px/1.4 system-ui, -apple-system, Segoe UI, sans-serif;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
@keyframes se-spin {
  to { transform: rotate(360deg); }
}

/* ── Login page shell ─────────────────────────────────────────────── */
body.main,
main.view[ui-view="login"],
main.view[ui-view="login"].md-background {
  background:
    radial-gradient(1200px 600px at 12% 18%, rgba(14, 143, 122, 0.22), transparent 55%),
    radial-gradient(900px 500px at 88% 12%, rgba(22, 58, 95, 0.35), transparent 50%),
    linear-gradient(145deg, #0b1c31 0%, #12324f 48%, #0e4a45 100%) !important;
  min-height: 100vh;
}
main.view[ui-view="login"] md-content.ng-cloak {
  background: transparent !important;
  box-shadow: none !important;
}
#loginContent {
  max-width: 980px !important;
  margin: 4vh auto !important;
  border-radius: 18px !important;
  overflow: hidden !important;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35) !important;
  background: transparent !important;
}
.sg-logo {
  background:
    linear-gradient(160deg, rgba(255,255,255,0.08), transparent 40%),
    linear-gradient(180deg, rgba(15, 39, 68, 0.35), rgba(11, 28, 49, 0.55)) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-height: 280px;
  position: relative;
}
.sg-logo::after {
  content: "Secure webmail for your domain";
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 28px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  letter-spacing: 0.02em;
  text-align: center;
}
.sg-logo img {
  max-width: min(360px, 82%) !important;
  max-height: 120px !important;
  width: auto !important;
  height: auto !important;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.25));
  background: rgba(255,255,255,0.92);
  border-radius: 12px;
  padding: 14px 18px;
}
.sg-login,
.sg-login.md-accent,
.sg-login.md-bg {
  background: var(--se-paper) !important;
  color: var(--se-ink) !important;
}
.sg-login-content { padding: 36px 32px !important; }
.sg-login md-input-container label,
.sg-login md-input-container .md-input,
.sg-login md-select .md-select-value,
.sg-login md-switch .md-label,
.sg-login .md-icon-button md-icon,
.sg-login md-icon { color: var(--se-ink) !important; }
.sg-login md-input-container:not(.md-input-invalid).md-input-focused .md-input,
.sg-login md-input-container:not(.md-input-invalid).md-input-focused label {
  color: var(--se-accent) !important;
  border-color: var(--se-accent) !important;
}
.sg-login md-input-container .md-input { border-color: var(--se-line) !important; }
.sg-login .md-fab.md-accent,
.sg-login .md-fab.md-accent.md-hue-2,
.sg-login md-button.md-fab {
  background-color: var(--se-accent) !important;
  color: #fff !important;
  box-shadow: 0 10px 24px rgba(14, 143, 122, 0.35) !important;
}
.sg-login .md-fab.md-accent:hover,
.sg-login md-button.md-fab:hover { background-color: var(--se-accent-2) !important; }
.sg-login md-switch.md-checked .md-thumb { background-color: var(--se-accent) !important; }
.sg-login md-switch.md-checked .md-bar { background-color: rgba(14, 143, 122, 0.45) !important; }
.sg-login .password-lost-link { color: var(--se-accent) !important; }

/* ── Auth / loading spinner (replace Material circular look) ─────── */
.sg-login sg-ripple-content [ng-switch-when="authenticating"],
.sg-login sg-ripple-content .md-padding,
.sg-login sg-ripple.md-accent {
  /* keep structure */
}
.sg-login md-progress-circular,
.sg-login md-progress-circular .md-spinner-wrapper,
.sg-login md-progress-circular .md-inner,
.sg-login md-progress-circular .md-gap,
.sg-login md-progress-circular .md-left,
.sg-login md-progress-circular .md-right,
.sg-login md-progress-circular svg {
  display: none !important;
}

/* Custom spinner drawn on the authenticating container */
.sg-login sg-ripple-content > div[layout][ng-switch-when="authenticating"],
.sg-login sg-ripple-content > div[ng-switch-when="authenticating"] {
  position: relative;
  min-height: 96px;
}
.sg-login sg-ripple-content > div[ng-switch-when="authenticating"]::before,
.sg-login div[ng-switch-when="authenticating"]::before {
  content: "";
  display: block;
  width: 44px;
  height: 44px;
  margin: 0 auto 14px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.25);
  border-top-color: #fff;
  border-right-color: #5eead4;
  animation: se-spin 0.75s linear infinite;
  box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.06);
}
.sg-login sg-ripple-content > div[ng-switch-when="authenticating"] .md-padding,
.sg-login div[ng-switch-when="authenticating"] .md-fg {
  color: #fff !important;
  font-weight: 500;
  letter-spacing: 0.03em;
}

/* Global in-app Material progress → spinner ring */
md-progress-circular.md-mode-indeterminate {
  /* leave non-login alone unless we hide svg and use ::after — scoped below */
}
body.main main.view:not([ui-view="login"]) md-progress-circular svg {
  /* optional: keep default in-app for now */
}

@media (max-width: 960px) {
  #loginContent { margin: 2vh 12px !important; }
  .sg-logo { min-height: 180px; }
  .sg-logo::after { display: none; }
}