/**
 * Login & Register Page Styles
 * DataSpur-inspired login experience with glassmorphism
 */

/* ========================================
 * LOGIN CONTAINER
 * ======================================== */
.login-container {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  cursor: pointer;
  overflow: hidden;
}

/* ========================================
 * BACKGROUND IMAGE
 * ======================================== */
.login-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../images/login-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: var(--z-behind);
  animation: subtleZoom 30s ease-in-out infinite alternate;
}

.login-background::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(var(--color-charcoal-rgb), 0.3) 0%,
    rgba(var(--color-charcoal-rgb), 0.5) 50%,
    rgba(var(--color-charcoal-rgb), 0.8) 100%
  );
}

@keyframes subtleZoom {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.05);
  }
}

/* ========================================
 * TIME & DATE DISPLAY
 * ======================================== */
.time-display {
  position: absolute;
  bottom: var(--space-16);
  left: var(--space-12);
  z-index: var(--z-base);
  transition: opacity var(--transition-normal) var(--ease-default),
              transform var(--transition-normal) var(--ease-default);
}

.time-text {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-light);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-cream);
  text-shadow: 0 2px 20px rgba(var(--color-black-rgb), 0.3);
}

.date-text {
  font-size: 2rem;
  font-weight: var(--font-weight-regular);
  color: rgba(var(--color-cream-rgb), 0.8);
  margin-top: var(--space-2);
  text-shadow: 0 1px 10px rgba(var(--color-black-rgb), 0.3);
}

/* ========================================
 * LOCK ICON (Bouncing)
 * ======================================== */
.lock-icon-container {
  position: absolute;
  bottom: var(--space-16);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-base);
  opacity: 0;
  transition: opacity var(--transition-slow) var(--ease-default);
}

.lock-icon-container.visible {
  opacity: 1;
}

.lock-icon-container.visible .lock-icon {
  animation: bounce 2s ease-in-out infinite;
}

.lock-icon {
  width: 3rem;
  height: 3rem;
  color: rgba(var(--color-cream-rgb), 0.7);
  filter: drop-shadow(0 2px 10px rgba(var(--color-black-rgb), 0.3));
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

/* ========================================
 * HINT TEXT
 * ======================================== */
.hint-text {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--font-size-sm);
  color: rgba(var(--color-cream-rgb), 0.5);
  z-index: var(--z-base);
  opacity: 0;
  transition: opacity var(--transition-slow) var(--ease-default);
}

.hint-text.visible {
  opacity: 1;
}

/* ========================================
 * LOGIN FORM OVERLAY
 * ======================================== */
.login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal) var(--ease-default),
              visibility var(--transition-normal) var(--ease-default);
}

.login-overlay::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(var(--color-charcoal-rgb), 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* ========================================
 * STATE TRANSITIONS
 * ======================================== */

/* Logged Out State (Initial) */
.login-container[data-state="logged-out"] .time-display {
  opacity: 1;
  transform: translateY(0);
}

.login-container[data-state="logged-out"] .login-overlay {
  opacity: 0;
  visibility: hidden;
}

/* Logging In State (Form Visible) */
.login-container[data-state="logging-in"] {
  cursor: default;
}

.login-container[data-state="logging-in"] .time-display {
  opacity: 0;
  transform: translateY(20px);
}

.login-container[data-state="logging-in"] .lock-icon-container,
.login-container[data-state="logging-in"] .hint-text {
  opacity: 0;
}

.login-container[data-state="logging-in"] .login-overlay {
  opacity: 1;
  visibility: visible;
}

/* Verifying State */
.login-container[data-state="verifying"] .login-form {
  pointer-events: none;
}

.login-container[data-state="verifying"] .login-form .glass-button-primary {
  opacity: 0.7;
}

/* ========================================
 * LOGIN FORM
 * ======================================== */
.login-form {
  position: relative;
  width: 100%;
  max-width: 400px;
  padding: var(--space-8);
  z-index: var(--z-modal);
  transform: translateY(20px);
  opacity: 0;
  transition: transform var(--transition-normal) var(--ease-default),
              opacity var(--transition-normal) var(--ease-default);
}

.login-container[data-state="logging-in"] .login-form,
.login-container[data-state="verifying"] .login-form {
  transform: translateY(0);
  opacity: 1;
}

.login-form-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.login-form-header .icon {
  width: 3rem;
  height: 3rem;
  color: var(--color-dusty-taupe);
  margin-bottom: var(--space-4);
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.login-form-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-cream);
  margin-bottom: var(--space-2);
}

.login-form-subtitle {
  font-size: var(--font-size-sm);
  color: rgba(var(--color-cream-rgb), 0.6);
}

/* Form Fields (Login-specific overrides) */
.login-form .form-group {
  margin-bottom: var(--space-5);
}

.login-form .form-label {
  color: rgba(var(--color-cream-rgb), 0.8);
  margin-bottom: var(--space-2);
}

.input-wrapper {
  position: relative;
}

.input-wrapper .icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  width: 1.25rem;
  height: 1.25rem;
  color: rgba(var(--color-cream-rgb), 0.5);
  pointer-events: none;
}

.input-wrapper .glass-input {
  padding-left: var(--space-12);
}

/* Form Actions */
.form-actions {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.form-actions .glass-button {
  flex: 1;
}

/* Error Message */
.login-form .form-error {
  background: rgba(var(--color-error), 0.2);
  border: 1px solid rgba(214, 30, 46, 0.4);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-5);
  display: none;
  font-size: var(--font-size-sm);
  color: var(--color-error);
}

.login-form .form-error.visible {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.login-form .form-error .icon {
  width: 1.25rem;
  height: 1.25rem;
  min-width: 1.25rem;
  color: var(--color-error);
  position: static;
  transform: none;
}

.form-error-text {
  font-size: var(--font-size-sm);
  color: var(--color-error);
}

/* Loading Spinner */
.loading-spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(var(--color-cream-rgb), 0.3);
  border-top-color: var(--color-cream);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.login-container[data-state="verifying"] .loading-spinner {
  display: inline-block;
}

.login-container[data-state="verifying"] .button-text {
  display: none;
}

/* Form Links */
.form-links {
  text-align: center;
  margin-top: var(--space-6);
}

.form-links a {
  font-size: var(--font-size-sm);
  color: rgba(var(--color-cream-rgb), 0.6);
  text-decoration: none;
  transition: color var(--transition-fast) var(--ease-default);
}

.form-links a:hover {
  color: var(--color-cream);
}

/* ========================================
 * REGISTER PAGE
 * ======================================== */
.register-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
}

.register-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../images/login-bg.jpg');
  background-size: cover;
  background-position: center;
  z-index: var(--z-behind);
}

.register-background::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(var(--color-charcoal-rgb), 0.85);
  backdrop-filter: blur(4px);
}

.register-form {
  position: relative;
  width: 100%;
  max-width: 440px;
  padding: var(--space-8);
  z-index: var(--z-base);
}

.register-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

/* ========================================
 * RESPONSIVE BREAKPOINTS
 * ======================================== */

/* Tablet */
@media (max-width: 768px) {
  .time-text {
    font-size: 4rem;
  }

  .date-text {
    font-size: 1.5rem;
  }

  .time-display {
    left: var(--space-8);
    bottom: var(--space-12);
  }

  .login-form {
    max-width: 90%;
    padding: var(--space-6);
  }

  .lock-icon {
    width: 2.5rem;
    height: 2.5rem;
  }

  .register-form {
    max-width: 90%;
    padding: var(--space-6);
  }
}

/* Mobile */
@media (max-width: 480px) {
  .time-text {
    font-size: 3rem;
  }

  .date-text {
    font-size: 1.25rem;
  }

  .time-display {
    left: var(--space-6);
    bottom: var(--space-10);
  }

  .login-form {
    padding: var(--space-5);
  }

  .login-form-title {
    font-size: var(--font-size-lg);
  }

  .form-actions {
    flex-direction: column;
  }

  .lock-icon {
    width: 2rem;
    height: 2rem;
  }

  .register-form {
    padding: var(--space-5);
  }

  .register-form .form-row {
    grid-template-columns: 1fr;
  }
}

/* Landscape mobile */
@media (max-height: 500px) {
  .time-display {
    bottom: var(--space-6);
  }

  .lock-icon-container {
    bottom: var(--space-6);
  }

  .hint-text {
    bottom: var(--space-2);
  }

  .login-form {
    padding: var(--space-4);
  }

  .login-form-header {
    margin-bottom: var(--space-4);
  }

  .login-form .form-group {
    margin-bottom: var(--space-3);
  }

  .form-actions {
    margin-top: var(--space-4);
  }
}

/* ========================================
 * ACCESSIBILITY
 * ======================================== */
@media (prefers-reduced-motion: reduce) {
  .login-background {
    animation: none;
  }

  .lock-icon-container.visible .lock-icon {
    animation: none;
  }

  .loading-spinner {
    animation: none;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

/* Focus visible for keyboard navigation */
.glass-input:focus-visible,
.glass-button:focus-visible {
  outline: 2px solid var(--color-dusty-taupe);
  outline-offset: 2px;
}