/* ============================================================
   AUTH — pantalla de login glassmorphism
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --accent: #0066ff;
  --accent-2: #4d8bff;
  --accent-3: #6e0bff;
  --accent-glow: rgba(0, 102, 255, 0.45);
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 999px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --t-fast: 0.18s;
  --t-med: 0.32s;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

:root,
[data-theme="dark"] {
  --bg-base: #060912;
  --bg-mesh-1: rgba(0, 102, 255, 0.40);
  --bg-mesh-2: rgba(110, 11, 255, 0.35);
  --bg-mesh-3: rgba(0, 200, 255, 0.22);
  --bg-mesh-4: rgba(255, 0, 200, 0.18);
  --glass-bg-strong: rgba(20, 25, 45, 0.65);
  --glass-bg-soft: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.14);
  --glass-border-strong: rgba(255, 255, 255, 0.20);
  --glass-highlight: rgba(255, 255, 255, 0.08);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.78);
  --text-tertiary: rgba(255, 255, 255, 0.55);
  --shadow-strong: 0 30px 90px rgba(0, 0, 0, 0.55);
}

[data-theme="light"] {
  --bg-base: #f0f4fb;
  --bg-mesh-1: rgba(0, 102, 255, 0.28);
  --bg-mesh-2: rgba(110, 11, 255, 0.22);
  --bg-mesh-3: rgba(0, 200, 255, 0.25);
  --bg-mesh-4: rgba(255, 100, 200, 0.18);
  --glass-bg-strong: rgba(255, 255, 255, 0.70);
  --glass-bg-soft: rgba(255, 255, 255, 0.45);
  --glass-border: rgba(255, 255, 255, 0.65);
  --glass-border-strong: rgba(10, 14, 26, 0.10);
  --glass-highlight: rgba(255, 255, 255, 0.85);
  --text-primary: #0a0e1a;
  --text-secondary: rgba(10, 14, 26, 0.72);
  --text-tertiary: rgba(10, 14, 26, 0.55);
  --shadow-strong: 0 30px 90px rgba(0, 50, 130, 0.18);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg-base);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  transition: background var(--t-med) var(--ease), color var(--t-med) var(--ease);
}

/* Mesh animado de fondo */
body::before {
  content: "";
  position: fixed;
  inset: -20vmax;
  z-index: 0;
  background:
    radial-gradient(circle at 18% 22%, var(--bg-mesh-1) 0%, transparent 38%),
    radial-gradient(circle at 82% 18%, var(--bg-mesh-2) 0%, transparent 42%),
    radial-gradient(circle at 50% 88%, var(--bg-mesh-3) 0%, transparent 42%),
    radial-gradient(circle at 22% 75%, var(--bg-mesh-4) 0%, transparent 35%);
  filter: blur(15px);
  animation: meshFloat 24s var(--ease) infinite alternate;
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.4 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.30;
  pointer-events: none;
  mix-blend-mode: overlay;
}

@keyframes meshFloat {
  0%   { transform: translate(0, 0) rotate(0deg) scale(1); }
  50%  { transform: translate(2%, -3%) rotate(2deg) scale(1.05); }
  100% { transform: translate(-2%, 2%) rotate(-2deg) scale(1.02); }
}

.container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 480px;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-box {
  background: var(--glass-bg-strong);
  backdrop-filter: blur(40px) saturate(200%);
  -webkit-backdrop-filter: blur(40px) saturate(200%);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-strong);
  padding: 48px 36px 36px;
  width: 100%;
  text-align: center;
  position: relative;
  overflow: hidden;
  animation: boxIn 0.7s var(--ease) backwards;
}

@keyframes boxIn {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.login-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--glass-highlight), transparent 55%);
  pointer-events: none;
  opacity: 0.7;
}

.login-box > * { position: relative; z-index: 1; }

.login-box .logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  filter: drop-shadow(0 8px 24px var(--accent-glow));
  animation: logoFloat 4s var(--ease) infinite alternate;
}

.login-box .logo img {
  max-width: 220px;
  width: 70%;
  height: auto;
  display: block;
}

.login-box .logo .v-brand__wordmark {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

/* Esconde la mitad del par dark/light que no toque (mismas reglas que en style.css) */
[data-theme="dark"]  .v-brand__logo-light,
[data-theme="dark"]  .v-brand__wordmark-light { display: none !important; }
[data-theme="light"] .v-brand__logo-dark,
[data-theme="light"] .v-brand__wordmark-dark  { display: none !important; }

@keyframes logoFloat {
  from { transform: translateY(0); }
  to   { transform: translateY(-4px); }
}

.brand-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin: 8px 0 4px;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-tag {
  font-size: 13px;
  color: var(--text-tertiary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  margin: 0 0 28px;
}

.security-text {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.6;
  margin: 0 0 32px;
  color: var(--text-secondary);
  padding: 0 4px;
}

.google-login-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-pill);
  padding: 16px 32px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--t-med) var(--ease-spring);
  width: 100%;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  box-shadow: 0 12px 32px var(--accent-glow);
}

.google-login-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px var(--accent-glow);
}

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

.google-login-btn i,
.google-login-btn .fa {
  font-size: 18px;
}

.divider-line {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0;
  color: var(--text-tertiary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.divider-line::before,
.divider-line::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--glass-border);
}

/* Toggle de tema en esquina */
.theme-toggle-floating {
  position: fixed;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--glass-bg-strong);
  backdrop-filter: blur(30px) saturate(180%);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  border: 1px solid var(--glass-border-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 20px;
  z-index: 100;
  transition: all var(--t-fast) var(--ease);
  text-decoration: none;
}

.theme-toggle-floating:hover {
  transform: scale(1.08) rotate(20deg);
  box-shadow: 0 8px 24px var(--accent-glow);
}

@media (max-width: 480px) {
  .login-box {
    padding: 36px 24px 28px;
    border-radius: 28px;
  }
  .brand-title { font-size: 24px; }
  .security-text { font-size: 14px; }
}