/* ============================================================
   Login — Apple Liquid Glass + Purple Theme
   All rules scoped to body.login-theme — zero leakage.
   ============================================================ */

/* ── Design tokens ─────────────────────────────────────────── */
body.login-theme {
  --lg-btn-a:    #5b60f0;
  --lg-btn-b:    #4fa3f7;
  --lg-btn-c:    #38bdf8;
  --lg-ring-a:   #7c3aed;
  --lg-ring-b:   #a855f7;
  --lg-ring-c:   #38bdf8;
  --lg-text:     #ffffff;
  --lg-muted:    rgba(255, 255, 255, .72);
  --lg-hi:       rgba(255, 255, 255, .55);
  --lg-border:   rgba(255, 255, 255, .20);
}

/* ── Body / background ─────────────────────────────────────── */
body.login-theme {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lg-text);
  font-family: var(--font-sans, "Inter", system-ui, sans-serif);
  overflow: hidden;

  background:
    radial-gradient(ellipse 900px 600px at 20% 8%,  rgba(120, 40, 220, .55), transparent 65%),
    radial-gradient(ellipse 700px 500px at 80% 90%, rgba(180, 30, 210, .45), transparent 60%),
    radial-gradient(ellipse 480px 380px at 78% 12%, rgba(56, 189, 248, .16), transparent 58%),
    linear-gradient(148deg, #1a0533 0%, #450e8a 28%, #7622cc 58%, #b020d8 82%, #86109e 100%);
}

/* Animated ambient blobs */
body.login-theme::before,
body.login-theme::after {
  content: "";
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(90px);
  opacity: .36;
}

body.login-theme::before {
  width: 520px;
  height: 520px;
  left: -170px;
  top: -170px;
  background: radial-gradient(closest-side, rgba(130, 50, 255, .95), transparent);
  animation: lg-blob1 22s ease-in-out infinite;
}

body.login-theme::after {
  width: 460px;
  height: 460px;
  right: -150px;
  bottom: -150px;
  background: radial-gradient(closest-side, rgba(56, 189, 248, .9), transparent);
  animation: lg-blob2 26s ease-in-out infinite;
}

@keyframes lg-blob1 {
  0%, 100% { transform: translate(0,   0); }
  50%       { transform: translate(32px, 26px); }
}

@keyframes lg-blob2 {
  0%, 100% { transform: translate(0,    0); }
  50%       { transform: translate(-28px, -22px); }
}

/* ── App wrapper ───────────────────────────────────────────── */
body.login-theme #app {
  width: 360px;
  max-width: 92vw;
  position: relative;
  z-index: 1;
}

/* ── Avatar — spinning ring style (no Liquid Glass) ────────── */
body.login-theme .avatar {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 240px;
  height: 240px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, .26);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .34);
  overflow: hidden;
  z-index: 10;
}

body.login-theme .avatar img {
  width: 90%;
  height: 90%;
  object-fit: contain;
  border-radius: 50%;
  position: relative;
  z-index: 3;
}

/* Spinning conic-gradient ring */
body.login-theme .avatar::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    var(--lg-ring-a),
    var(--lg-ring-b),
    var(--lg-ring-c),
    var(--lg-ring-a)
  );
  animation: lg-ring-spin 14s linear infinite;
  opacity: .88;
  z-index: 2;
}

@keyframes lg-ring-spin {
  to { transform: rotate(360deg); }
}

/* ── Card — Liquid Glass panel ─────────────────────────────── */
body.login-theme .login-card {
  position: relative;
  z-index: 1;
  padding: 3.25rem 2rem 2.5rem;
  border-radius: 36px;
  overflow: visible;

  /* Glass fill — very low opacity so blur bleeds through visibly */
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, .07) 0%,
    rgba(255, 255, 255, .03) 100%
  );
  backdrop-filter: blur(56px) saturate(180%);
  -webkit-backdrop-filter: blur(56px) saturate(180%);

  /* Liquid Glass chrome: crisp outer ring + specular top edge */
  border: 1px solid var(--lg-border);
  box-shadow:
    0    0    0   .5px rgba(255, 255, 255, .10),  /* crisp outer ring */
    inset 0  1.5px 0   var(--lg-hi),              /* ← specular top edge */
    inset 0 -1px   0   rgba(0,   0,   0,  .09),  /* bottom inner shadow */
    0  8px  24px rgba(0, 0, 0, .18),
    0 44px  96px rgba(0, 0, 0, .40);
}

/* Inner highlight gradient (top-half glow) */
body.login-theme .login-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, .18) 0%,
    rgba(255, 255, 255, .04) 42%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 0;
}

/* ── Heading ───────────────────────────────────────────────── */
body.login-theme .login-card h2 {
  position: relative;
  z-index: 1;
  margin: 110px 0 1.8rem;
  text-align: center;
  font-weight: 800;
  font-size: 1.7rem;
  letter-spacing: .3px;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .22);
}

/* ── Form group ────────────────────────────────────────────── */
body.login-theme .form-group {
  position: relative;
  z-index: 1;
  margin-bottom: 1.7rem;
}

body.login-theme .form-group .icon {
  position: absolute;
  top: 50%;
  left: 2px;
  transform: translateY(-48%);
  color: var(--lg-muted);
  font-size: 1.05rem;
}

body.login-theme .form-group input {
  width: 100%;
  box-sizing: border-box;
  background: transparent;
  border: 0;
  border-bottom: 1.5px solid rgba(255, 255, 255, .45);
  padding: .82rem 0 .66rem 34px;
  color: #fff;
  font-size: 1rem;
  caret-color: #fff;
  transition: border-color .18s, box-shadow .18s;
}

body.login-theme .form-group input::placeholder {
  color: var(--lg-muted);
}

body.login-theme .form-group input:focus {
  outline: none;
  border-bottom-color: rgba(255, 255, 255, .9);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .4);
}

/* ── Options row ───────────────────────────────────────────── */
body.login-theme .options {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: -.3rem 0 1.6rem;
  font-size: .92rem;
  color: var(--lg-muted);
}

body.login-theme .options label {
  display: flex;
  align-items: center;
  gap: .45rem;
  cursor: pointer;
}

body.login-theme .options input[type="checkbox"] {
  accent-color: var(--lg-btn-c);
  width: 16px;
  height: 16px;
}

body.login-theme .options a {
  color: #fff;
  text-decoration: none;
}

/* ── Button — Liquid Glass pill ────────────────────────────── */
body.login-theme .btn-login {
  position: relative;
  z-index: 1;
  width: 100%;
  border: 0;
  cursor: pointer;
  padding: 1rem 0;
  border-radius: 999px;
  color: #fff;
  font-weight: 800;
  letter-spacing: .3px;
  font-size: 1rem;

  background: linear-gradient(92deg,
    var(--lg-btn-a) 0%,
    var(--lg-btn-b) 55%,
    var(--lg-btn-c) 100%
  );

  box-shadow:
    inset 0  1.5px 0   rgba(255, 255, 255, .45),  /* top specular */
    inset 0 -1px   0   rgba(0,   0,   0,  .14),  /* bottom depth */
    0  8px 28px rgba(56, 189, 248, .38),
    0  2px  8px rgba(0,   0,   0,  .28);

  transition: transform .18s ease, filter .18s ease, box-shadow .18s ease;
}

body.login-theme .btn-login:hover {
  transform: translateY(-2px);
  filter: brightness(1.07);
  box-shadow:
    inset 0  1.5px 0   rgba(255, 255, 255, .45),
    inset 0 -1px   0   rgba(0,   0,   0,  .14),
    0 14px 38px rgba(56, 189, 248, .48),
    0  4px 12px rgba(0,   0,   0,  .30);
}

body.login-theme .btn-login:active {
  transform: translateY(0);
  filter: brightness(.97);
}

body.login-theme .btn-login:focus-visible {
  outline: 3px solid rgba(56, 189, 248, .55);
  outline-offset: 2px;
}

/* ── Autofill ──────────────────────────────────────────────── */
body.login-theme .form-group input:-webkit-autofill,
body.login-theme .form-group input:-webkit-autofill:hover,
body.login-theme .form-group input:-webkit-autofill:focus,
body.login-theme .form-group input:-webkit-autofill:active {
  -webkit-text-fill-color: #fff !important;
  -webkit-box-shadow: 0 0 0 1000px rgba(255, 255, 255, .04) inset !important;
  box-shadow: 0 0 0 1000px rgba(255, 255, 255, .04) inset !important;
  transition: background-color 99999s ease 0s !important;
}

@supports (-webkit-appearance: none) {
  body.login-theme .form-group input:-webkit-autofill {
    background-color: transparent !important;
  }
}

/* ── Toast ─────────────────────────────────────────────────── */
body.login-theme #toast-alert {
  position: fixed;
  top: 28px;
  right: 38px;
  left: auto;
  transform: translateY(-16px);
  z-index: 9999;
  min-width: 220px;
  max-width: 420px;
  padding: 14px 22px;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(135deg, #3aa76d, #238657);
  box-shadow: 0 12px 30px rgba(0, 0, 0, .28);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity .35s, transform .35s;
  pointer-events: none;
  font-size: .95rem;
  font-weight: 600;
}

body.login-theme #toast-alert.toast-show    { opacity: .98; transform: translateY(0); }
body.login-theme #toast-alert.toast-error   { background: linear-gradient(135deg, #cc4a5a, #8a1f2d); }
body.login-theme #toast-alert.toast-info    { background: linear-gradient(135deg, #5b60f0, #3a3dcc); }
body.login-theme #toast-alert.toast-success { background: linear-gradient(135deg, #3aa76d, #238657); }

/* Keep non-login body from having a background */
body:not(.login-theme) {
  background: var(--app-bg);
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 480px) {
  body.login-theme #app { max-width: 92vw; }

  body.login-theme .avatar {
    width: 190px;
    height: 190px;
    top: -90px;
  }

  body.login-theme .login-card {
    border-radius: 26px;
    padding: 3rem 1.5rem 2.2rem;
  }
}