/* Standalone styles for Thessa Login */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: #120e0a;
  overflow: hidden;
}

/* Helpers */
.absolute { position: absolute; }
.inset-0 { top: 0; left: 0; right: 0; bottom: 0; }
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.overflow-hidden { overflow: hidden; }
.pointer-events-none { pointer-events: none; }
.w-full { width: 100%; }
.max-w-md { max-width: 420px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.hidden { display: none !important; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.m-0 { margin: 0; }
.p-8 { padding: 2rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-xl { border-radius: 0.75rem; }
.text-white { color: #ffffff; }
.text-center { text-align: center; }
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-5xl { font-size: 2.75rem; }
.font-light { font-weight: 300; }
.font-semibold { font-weight: 600; }
.uppercase { text-transform: uppercase; }
.tracking-wider { letter-spacing: 0.05em; }

/* Responsive YouTube & Ambient Background */
.video-background-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #120e0a;
  overflow: hidden;
  z-index: 0;
}

.video-fallback-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('/mediaFiles/thessa_login_bg.jpg') no-repeat center center / cover;
  transform: scale(1.02);
  animation: slowAmbientZoom 25s ease-in-out infinite alternate;
  z-index: 1;
}

@keyframes slowAmbientZoom {
  0% {
    transform: scale(1.02);
  }
  100% {
    transform: scale(1.08);
  }
}

/* Centered and scaled to crop out YouTube UI elements like uploader bar & progress control */
.video-iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100vw;
  height: 56.25vw; /* 16:9 ratio */
  min-height: 100vh;
  min-width: 177.77vh; /* 16:9 ratio */
  transform: translate(-50%, -50%) scale(1.3);
  pointer-events: none;
  border: none;
  z-index: 2;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
}

.video-iframe.playing {
  opacity: 1;
}

/* Spa Overlay with warm amber gradient */
.spa-overlay {
  background: radial-gradient(circle at center, rgba(74, 62, 47, 0.45) 0%, rgba(28, 22, 17, 0.85) 100%);
  mix-blend-mode: multiply;
  z-index: 5;
}

/* Glassmorphism Card */
.login-card {
  background: rgba(35, 30, 24, 0.65);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(197, 168, 128, 0.15);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
  transform: translateY(20px);
  opacity: 0;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.8s ease;
}

.login-card.active {
  transform: translateY(0);
  opacity: 1;
}

/* Brand Logo */
.brand-logo {
  height: 60px;
  width: auto;
  display: block;
  margin: 0 auto;
  object-fit: contain;
}

/* Inputs */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
}

.input-field {
  width: 100%;
  padding: 0.9rem 1.1rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  outline: none;
  color: #ffffff;
  font-size: 0.875rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: inherit;
}

.input-field::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.input-field:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(197, 168, 128, 0.2);
}

.input-field:focus {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(197, 168, 128, 0.6);
  box-shadow: 0 0 0 3px rgba(197, 168, 128, 0.15);
}

/* Signature Olive Green Button */
.submit-btn {
  width: 100%;
  padding: 0.95rem;
  border-radius: 0.75rem;
  border: none;
  background-color: #5D623F;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(93, 98, 63, 0.25);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: inherit;
}

.submit-btn:hover {
  background-color: #4C5132;
  box-shadow: 0 10px 25px rgba(93, 98, 63, 0.4);
  transform: translateY(-1px);
}

.submit-btn:active {
  transform: translateY(1px);
  box-shadow: 0 4px 10px rgba(93, 98, 63, 0.2);
}

.submit-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.submit-btn:hover svg {
  transform: translateX(3px);
}

.submit-btn:disabled {
  background-color: #3b3d2b;
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Error Alert */
.error-alert {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  padding: 0.85rem 1rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideIn 0.3s ease-out;
}

.error-alert svg {
  color: #ef4444;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade-in Animation for Card */
@media (max-width: 480px) {
  body {
    padding: 1rem;
  }
  .login-card {
    padding: 1.5rem;
  }
  .brand-title {
    font-size: 2.25rem;
  }
}