/* ============================================
   Auth App - Netflix-style premium UI
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ---------- Reusable color variables ---------- */
:root {
  /* Primary Netflix red */
  --primary: #E50914;
  --primary-dark: #b20710;
  --primary-light: #ff1a27;
  --primary-glow: rgba(229, 9, 20, 0.5);
  --primary-glow-soft: rgba(229, 9, 20, 0.25);
  --primary-neon: rgba(229, 9, 20, 0.7);

  /* Background */
  --bg-start: #0b0b0f;
  --bg-end: #1a0003;
  --glass: rgba(255, 255, 255, 0.05);
  --glass-strong: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-red: rgba(229, 9, 20, 0.2);

  /* Text */
  --text: #f5f5f5;
  --text-muted: #a3a3a3;

  /* States */
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.12);
  --error-border: rgba(239, 68, 68, 0.35);
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.12);
  --success-border: rgba(34, 197, 94, 0.35);

  /* Layout */
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  --transition: 0.3s ease;
}

/* ---------- CineVault logo (navbar / clickable branding) ---------- */
.cinevault-logo {
  font-size: 28px;
  font-weight: 800;
  color: #e50914;
  text-decoration: none;
  letter-spacing: 1px;
  transition: 0.3s ease;
}

.cinevault-logo:hover {
  color: #ff2a2a;
  text-shadow: 0 0 12px rgba(229, 9, 20, 0.7);
  transform: scale(1.05);
}

/* Two-tone logo when used inside app-brand (Cine white, Vault red) */
.app-brand .cinevault-logo {
  color: var(--text);
  font-size: 2rem;
  letter-spacing: 0.04em;
}

.app-brand .cinevault-logo span {
  color: var(--primary);
}

.app-brand .cinevault-logo:hover {
  color: var(--text);
  text-shadow: 0 0 12px rgba(229, 9, 20, 0.7);
  transform: scale(1.05);
}

.app-brand .cinevault-logo:hover span {
  color: #ff2a2a;
}

.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 1.25rem 2rem;
  z-index: 100;
}

.landing-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
}

.landing-body a {
  color: var(--primary-light);
  text-decoration: none;
}

.landing-body a:hover {
  text-decoration: underline;
}

/* ---------- Loading overlay (fast redirect) ---------- */
.loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: rgba(0, 0, 0, 0.85);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: auto;
}

.loading-overlay.loading-overlay-visible {
  opacity: 1;
}

.loading-text {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  margin: 0;
}

/* Modern minimal spinner */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.12);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: loadingSpin 0.8s linear infinite;
}

@keyframes loadingSpin {
  to {
    transform: rotate(360deg);
  }
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
  background: var(--bg-start);
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem;
  position: relative;
  overflow-x: hidden;
}

/* ---------- 1. Animated gradient background ---------- */
.bg-gradient-animated {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(
    135deg,
    var(--bg-start) 0%,
    #0d0d12 25%,
    #120006 50%,
    var(--bg-end) 75%,
    #0b0b0f 100%
  );
  background-size: 400% 400%;
  animation: gradientShift 12s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ---------- 2. Mouse-follow radial glow (position set by JS) ---------- */
.mouse-glow {
  position: fixed;
  left: 50%;
  top: 50%;
  width: 600px;
  height: 600px;
  margin-left: -300px;
  margin-top: -300px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    var(--primary-glow-soft) 0%,
    rgba(229, 9, 20, 0.08) 30%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
  transition: opacity var(--transition);
}

/* ---------- 3. Floating particles container ---------- */
.particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.particles .particle {
  position: absolute;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.15;
  filter: blur(2px);
  animation: particleFloat 20s ease-in-out infinite;
}

@keyframes particleFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.1;
  }
  25% {
    transform: translate(20px, -40px) scale(1.1);
    opacity: 0.18;
  }
  50% {
    transform: translate(-30px, 20px) scale(0.9);
    opacity: 0.12;
  }
  75% {
    transform: translate(15px, 30px) scale(1.05);
    opacity: 0.16;
  }
}

/* ---------- Main content wrapper ---------- */
.page-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* ---------- 7. Logo with subtle pulsing glow ---------- */
.app-brand {
  text-align: center;
  margin-bottom: 1.5rem;
}

.app-brand .logo-text {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
  text-shadow:
    0 0 20px var(--primary-glow-soft),
    0 0 40px rgba(229, 9, 20, 0.15);
  animation: logoGlow 3s ease-in-out infinite;
  transition: text-shadow var(--transition);
}

.app-brand:hover .logo-text {
  text-shadow:
    0 0 24px var(--primary-glow-soft),
    0 0 48px rgba(229, 9, 20, 0.25);
}

.app-brand .logo-text span {
  color: var(--primary);
  text-shadow:
    0 0 20px var(--primary-glow),
    0 0 40px var(--primary-glow-soft);
  animation: logoGlowRed 3s ease-in-out infinite;
  transition: text-shadow var(--transition);
}

.app-brand:hover .logo-text span {
  text-shadow:
    0 0 28px var(--primary-glow),
    0 0 56px var(--primary-glow-soft);
}

.app-brand .logo-tagline {
  margin-top: 0.35rem;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-transform: uppercase;
}

@keyframes logoGlowRed {
  0%, 100% {
    text-shadow:
      0 0 20px var(--primary-glow),
      0 0 40px var(--primary-glow-soft);
  }
  50% {
    text-shadow:
      0 0 28px var(--primary-glow),
      0 0 56px var(--primary-glow-soft);
  }
}

@keyframes logoGlow {
  0%, 100% {
    text-shadow:
      0 0 20px var(--primary-glow-soft),
      0 0 40px rgba(229, 9, 20, 0.15);
  }
  50% {
    text-shadow:
      0 0 28px var(--primary-glow-soft),
      0 0 56px rgba(229, 9, 20, 0.22);
  }
}

/* ---------- 4. Card entrance + 6. Hover lift + glassmorphism ---------- */
.auth-card {
  width: 100%;
  background: var(--glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  box-shadow:
    var(--shadow),
    0 0 0 1px var(--glass-border-red),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  border-radius: 24px;
  padding: 2.25rem 2rem;
  opacity: 0;
  transform: scale(0.96) translateY(10px);
  animation: cardEnter 0.6s var(--transition) forwards;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.auth-card:hover {
  transform: translateY(-4px);
  box-shadow:
    var(--shadow),
    0 0 0 1px rgba(229, 9, 20, 0.3),
    0 0 40px -10px var(--primary-glow-soft);
}

@keyframes cardEnter {
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.auth-card h1 {
  font-size: 1.65rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.auth-card .subtitle {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

.auth-card .welcome-msg {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  padding: 0.6rem 0.9rem;
  background: var(--glass-strong);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--primary);
  transition: border-color var(--transition);
}

/* ---------- Form groups ---------- */
.form-group {
  margin-bottom: 1.35rem;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  letter-spacing: 0.01em;
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrap .input-icon {
  position: absolute;
  left: 1rem;
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  pointer-events: none;
  transition: color var(--transition), transform var(--transition);
}

.input-wrap input {
  width: 100%;
  padding: 0.9rem 1rem 0.9rem 3rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.input-wrap input::placeholder {
  color: var(--text-muted);
  opacity: 0.75;
}

.input-wrap input:hover {
  background: rgba(255, 255, 255, 0.06);
}

/* ---------- 6. Input focus neon red outline ---------- */
.input-wrap input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-neon);
}

.input-wrap input:focus + .input-icon,
.input-wrap:focus-within .input-icon {
  color: var(--primary);
}

/* ---------- Password field + show/hide icon animation ---------- */
.password-wrap {
  position: relative;
}

.password-wrap .input-wrap input {
  padding-right: 3rem;
}

.password-toggle {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  padding: 0.35rem;
  cursor: pointer;
  color: var(--text-muted);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition), background var(--transition), transform var(--transition);
}

.password-toggle:hover {
  color: var(--primary);
  background: rgba(229, 9, 20, 0.1);
  transform: translateY(-50%) scale(1.08);
}

.password-toggle:active {
  transform: translateY(-50%) scale(0.98);
}

.password-toggle svg {
  width: 20px;
  height: 20px;
  transition: opacity var(--transition), transform var(--transition);
}

.password-toggle .icon-eye,
.password-toggle .icon-eye-off {
  position: absolute;
}

/* ---------- 5. Button hover glow + smooth transitions ---------- */
.btn {
  width: 100%;
  padding: 1rem 1.5rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  position: relative;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  margin-top: 0.5rem;
  box-shadow: 0 4px 14px -3px var(--primary-glow);
  overflow: hidden;
}

/* Button shine sweep - diagonal light on hover */
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 0%,
    transparent 35%,
    rgba(255, 255, 255, 0.28) 50%,
    transparent 65%,
    transparent 100%
  );
  background-size: 200% 100%;
  background-position: 150% 0;
  pointer-events: none;
  border-radius: inherit;
}

.btn-primary:hover:not(:disabled)::before {
  animation: buttonShine 0.6s ease forwards;
}

@keyframes buttonShine {
  to {
    background-position: -50% 0;
  }
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -6px var(--primary-glow), 0 0 20px -4px var(--primary-glow-soft);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.85;
  cursor: not-allowed;
  transform: none;
}

.btn-primary:disabled::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  background-size: 200% 100%;
  animation: shimmer 1.2s ease-in-out infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------- Remember me row ---------- */
.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.35rem;
}

.checkbox-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: opacity var(--transition);
}

.checkbox-wrap:hover {
  opacity: 0.9;
}

.checkbox-wrap input {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

.checkbox-wrap span {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.forgot-link {
  font-size: 0.875rem;
  color: var(--primary-light);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition), text-decoration var(--transition);
}

.forgot-link:hover {
  color: var(--primary);
  text-decoration: underline;
}

/* ---------- Auth link ---------- */
.auth-link {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.auth-link a {
  color: var(--primary-light);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition), text-decoration var(--transition);
}

.auth-link a:hover {
  color: var(--primary);
  text-decoration: underline;
}

/* ---------- Message boxes ---------- */
.message {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
  display: none;
  align-items: flex-start;
  gap: 0.5rem;
  line-height: 1.4;
  transition: opacity var(--transition);
}

.message.show {
  display: flex;
}

.message.error {
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  color: var(--error);
}

.message.success {
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success);
}

/* ---------- Footer ---------- */
.page-footer {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.page-footer p {
  margin: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
  body {
    padding: 1rem 0.75rem;
  }

  .auth-card {
    padding: 1.75rem 1.5rem;
    border-radius: 20px;
  }

  .auth-card h1 {
    font-size: 1.5rem;
  }

  .app-brand .logo-text {
    font-size: 1.65rem;
  }

  .input-wrap input {
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
  }

  .form-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .mouse-glow {
    width: 400px;
    height: 400px;
    margin-left: -200px;
    margin-top: -200px;
  }
}

@media (min-width: 768px) {
  .auth-card {
    padding: 2.5rem 2.25rem;
  }
}