/**
 * LCD 90s Theme - Retro, Flat, Calculator Aesthetic
 * Inspiration: 90s calculator LCD screens, digital watches
 */

:root[data-theme="lcd90s"] {
  /* LCD Background (much lighter) */
  --color-background: #E8EDE0;
  --color-surface: #F0F4E8;
  --color-surface-hover: #E0E8D8;
  
  /* LCD Text */
  --color-text-primary: #3A4A54;
  --color-text-secondary: #5A6A74;
  --color-text-tertiary: #7A8A94;
  --color-text-inverse: #C5CEB8;
  
  /* Borders */
  --color-border: rgba(58, 74, 84, 0.15);
  --color-border-hover: rgba(58, 74, 84, 0.3);
  
  /* Semantic Colors */
  --color-primary: #3A4A54;
  --color-primary-hover: #2A3A44;
  --color-primary-light: #B8C1AA;
  --color-secondary: #5A6A74;
  --color-success: #4A7C59;
  --color-warning: #8A7C4A;
  --color-danger: #7C4A4A;
  --color-info: #4A6A7C;
  --color-accent: #8A7C4A;
  --color-accent-hover: #7A6C3A;
  
  /* Shadows (inset for LCD) */
  --shadow-sm: inset 0 1px 1px rgba(15, 56, 15, 0.1);
  --shadow-md: inset 0 2px 2px rgba(15, 56, 15, 0.15);
  --shadow-lg: inset 0 3px 3px rgba(15, 56, 15, 0.2);
  --shadow-xl: inset 0 4px 4px rgba(15, 56, 15, 0.25);
  
  /* Typography (Thin Arial) */
  --font-primary: 'Arial', 'Helvetica', sans-serif;
  --font-mono: 'Courier New', monospace;
  --text-xs: clamp(0.75rem, 1vw, 0.875rem);
  --text-sm: clamp(0.875rem, 1.2vw, 1rem);
  --text-base: clamp(1rem, 1.4vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1.8vw, 1.25rem);
  --text-xl: clamp(1.25rem, 2vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 2.4vw, 2rem);
  --text-3xl: clamp(2rem, 3vw, 3rem);
  --font-normal: 300;
  --font-medium: 400;
  --font-semibold: 400;
  --font-bold: 400;
  --leading-tight: 1.2;
  --leading-normal: 1.4;
  --leading-relaxed: 1.6;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  
  /* Border Radius (sharp corners) */
  --radius-sm: 0;
  --radius-md: 0;
  --radius-lg: 2px;
  --radius-xl: 2px;
  --radius-full: 9999px;
  
  /* Component Heights (compressed) */
  --height-control-sm: 1.75rem;
  --height-control-md: 2rem;
  --height-control-lg: 2.5rem;
  
  /* Animations (stepped) */
  --ease-in-out: steps(3);
  --ease-out: steps(2);
  --ease-in: steps(2);
  --ease-bounce: steps(4);
  --duration-fast: 50ms;
  --duration-normal: 100ms;
  --duration-slow: 150ms;
  --duration-page: 200ms;
  
  /* App Frame Regions (much lighter) */
  --bg-primary: #E8EDE0;
  --bg-header: #DDE5D0;
  --bg-sidebar: #E0E8D8;
  --bg-footer: #D8E0D0;
  --bg-content: #F0F4E8;
  --text-primary: #3A4A54;
  --text-header: #3A4A54;
  --text-sidebar: #3A4A54;
  --text-footer: #3A4A54;

  /* Reusable floating utility tokens */
  --floating-bg: rgba(232, 237, 224, 0.98);
  --floating-border: rgba(58, 74, 84, 0.22);
  --floating-border-width: 1px;
  --floating-text: #3A4A54;
  --floating-shadow: inset 0 1px 2px rgba(15, 56, 15, 0.15), 0 2px 6px rgba(58, 74, 84, 0.1);
  --floating-backdrop-filter: none;
  --floating-z: 100;
}

[data-theme="lcd90s"] body {
  background-color: var(--color-background);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-weight: 300;
}

/* Scan line effect */
[data-theme="lcd90s"]::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(15, 56, 15, 0.05) 0px,
    rgba(15, 56, 15, 0.05) 1px,
    transparent 1px,
    transparent 2px
  );
  z-index: 9999;
}

/* Buttons (minimal borders) */
[data-theme="lcd90s"] .btn {
  border: 1px solid var(--color-border);
  background-color: transparent;
  border-radius: 0;
}

[data-theme="lcd90s"] .btn:focus {
  outline: 2px solid var(--color-text-primary);
  outline-offset: 0;
  background-color: var(--color-text-primary);
  color: var(--color-background);
  transition: 
    background-color var(--duration-fast) steps(1),
    color var(--duration-fast) steps(1);
}

[data-theme="lcd90s"] .btn:active {
  background-color: var(--color-text-primary);
  color: var(--color-background);
  transform: none;
  transition: all var(--duration-fast) steps(1);
}

[data-theme="lcd90s"] .btn:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
}

[data-theme="lcd90s"] .btn-primary {
  background-color: var(--color-text-primary);
  border-color: var(--color-text-primary);
  color: var(--color-background);
}

[data-theme="lcd90s"] .btn-primary:hover {
  background-color: var(--color-text-secondary);
  color: var(--color-background);
}

/* Inputs (underline only) */
[data-theme="lcd90s"] .form-control,
[data-theme="lcd90s"] .form-select,
[data-theme="lcd90s"] input[type="text"],
[data-theme="lcd90s"] input[type="search"],
[data-theme="lcd90s"] input[type="number"],
[data-theme="lcd90s"] input[type="email"],
[data-theme="lcd90s"] input[type="password"],
[data-theme="lcd90s"] textarea {
  border: none;
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  background-color: transparent;
  height: var(--height-control-md);
  padding: 0.25rem 0.5rem;
  color: var(--color-text-primary);
}

[data-theme="lcd90s"] textarea {
  height: auto;
}

[data-theme="lcd90s"] .form-control:focus,
[data-theme="lcd90s"] .form-select:focus,
[data-theme="lcd90s"] input[type="text"]:focus,
[data-theme="lcd90s"] input[type="search"]:focus,
[data-theme="lcd90s"] input[type="number"]:focus,
[data-theme="lcd90s"] input[type="email"]:focus,
[data-theme="lcd90s"] input[type="password"]:focus,
[data-theme="lcd90s"] textarea:focus {
  border-bottom-color: var(--color-text-primary);
  border-bottom-width: 2px;
  box-shadow: none;
}

/* Checkboxes */
[data-theme="lcd90s"] input[type="checkbox"] {
  appearance: none;
  width: 1rem;
  height: 1rem;
  border: 1px solid var(--color-border);
  background-color: transparent;
  border-radius: 0;
  cursor: pointer;
}

[data-theme="lcd90s"] input[type="checkbox"]:checked {
  background-color: var(--color-text-primary);
  border-color: var(--color-text-primary);
}

[data-theme="lcd90s"] input[type="checkbox"]:checked::after {
  content: '✓';
  display: block;
  text-align: center;
  color: var(--color-background);
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: bold;
}

/* Cards (no borders, inset shadow) */
[data-theme="lcd90s"] .card {
  border: none;
  box-shadow: var(--shadow-md);
  background-color: var(--color-surface);
  border-radius: 0;
}

/* Page Transitions (stepped) */
[data-theme="lcd90s"] .page-enter-active {
  animation: lcdSlideInRight var(--duration-page) steps(5);
}

[data-theme="lcd90s"] .page-leave-active {
  animation: lcdSlideOutLeft var(--duration-page) steps(5);
}

@keyframes lcdSlideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes lcdSlideOutLeft {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(-100%);
    opacity: 0;
  }
}

/* Auth UI (Logon/Landing) */
[data-theme="lcd90s"] .auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg-content);
  padding: var(--space-4);
}

[data-theme="lcd90s"] .auth-container {
  max-width: 420px;
  width: 100%;
  background: var(--bg-primary);
  border-radius: var(--radius-xl, 0.75rem);
  box-shadow: var(--shadow-xl, 0 20px 25px -5px rgba(0, 0, 0, 0.1));
  padding: var(--space-8, 2rem);
  border: 1px solid var(--color-border, #dee2e6);
}

[data-theme="lcd90s"] .auth-logo {
  text-align: center;
  margin-bottom: var(--space-6, 1.5rem);
}

[data-theme="lcd90s"] .auth-logo h1 {
  color: var(--text-primary, #1f1f1f);
  font-size: var(--text-3xl, 2rem);
  font-weight: var(--font-bold, 700);
  margin-bottom: var(--space-2, 0.5rem);
}

[data-theme="lcd90s"] .auth-logo p {
  color: var(--text-secondary, #717888);
  font-size: var(--text-base, 1rem);
}

[data-theme="lcd90s"] .auth-context-banner {
  display: flex;
  align-items: center;
  gap: var(--space-2, 0.5rem);
  padding: var(--space-3, 0.75rem);
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-md, 0.375rem);
  margin-bottom: var(--space-4, 1rem);
  font-size: var(--text-sm, 0.875rem);
  color: var(--text-secondary, #717888);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

[data-theme="lcd90s"] .account-history {
  margin-bottom: var(--space-4, 1rem);
}

[data-theme="lcd90s"] .account-history-title {
  color: var(--text-secondary, #717888);
  font-size: var(--text-sm, 0.875rem);
  font-weight: var(--font-semibold, 600);
  margin-bottom: var(--space-3, 0.75rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

[data-theme="lcd90s"] .account-history-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2, 0.5rem);
  margin-bottom: var(--space-3, 0.75rem);
}

[data-theme="lcd90s"] .account-history-item {
  display: flex;
  align-items: center;
  gap: var(--space-3, 0.75rem);
  padding: var(--space-3, 0.75rem);
  background: var(--bg-surface, #f8f9fa);
  border: 1px solid var(--color-border, #dee2e6);
  border-radius: var(--radius-lg, 0.5rem);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0, 0, 0.2, 1);
  width: 100%;
  text-align: left;
  position: relative;
}

[data-theme="lcd90s"] .account-history-item:hover {
  background: var(--bg-surface-hover, #f1f3f5);
  border-color: var(--color-primary, #2b3492);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm, 0 1px 2px rgba(0, 0, 0, 0.05));
}

[data-theme="lcd90s"] .account-avatar {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light, #e8eafc);
  color: var(--color-primary, #2b3492);
  border-radius: 50%;
  font-size: var(--text-xl, 1.25rem);
  flex-shrink: 0;
}

[data-theme="lcd90s"] .account-info {
  flex: 1;
  min-width: 0;
}

[data-theme="lcd90s"] .account-name {
  color: var(--text-primary, #1f1f1f);
  font-size: var(--text-base, 1rem);
  font-weight: var(--font-semibold, 600);
  margin-bottom: var(--space-1, 0.25rem);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

[data-theme="lcd90s"] .account-meta {
  color: var(--text-secondary, #717888);
  font-size: var(--text-sm, 0.875rem);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

[data-theme="lcd90s"] .account-time {
  color: var(--text-tertiary, #93908f);
  font-size: var(--text-xs, 0.75rem);
  margin-top: var(--space-1, 0.25rem);
}

[data-theme="lcd90s"] .account-remove {
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-tertiary, #93908f);
  font-size: var(--text-lg, 1.125rem);
  cursor: pointer;
  border-radius: var(--radius-sm, 0.25rem);
  transition: all 0.2s cubic-bezier(0, 0, 0.2, 1);
  flex-shrink: 0;
}

[data-theme="lcd90s"] .account-remove:hover {
  background: var(--color-danger, #ef4444);
  color: white;
}

[data-theme="lcd90s"] .account-history-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3, 0.75rem);
  margin: var(--space-4, 1rem) 0;
  color: var(--text-tertiary, #93908f);
  font-size: var(--text-sm, 0.875rem);
}

[data-theme="lcd90s"] .account-history-divider::before,
[data-theme="lcd90s"] .account-history-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border, #dee2e6);
}

[data-theme="lcd90s"] .auth-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-3, 0.75rem);
}

[data-theme="lcd90s"] .auth-method {
  border: 1px solid var(--color-border, #dee2e6);
  border-radius: var(--radius-lg, 0.5rem);
  overflow: hidden;
  transition: all 0.2s cubic-bezier(0, 0, 0.2, 1);
}

[data-theme="lcd90s"] .auth-method.last-used {
  border-color: var(--color-primary, #2b3492);
  box-shadow: 0 0 0 3px var(--color-primary-light, #e8eafc);
}

[data-theme="lcd90s"] .auth-method-sso,
[data-theme="lcd90s"] .auth-method-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-3, 0.75rem);
  padding: var(--space-4, 1rem);
  background: var(--bg-surface, #f8f9fa);
  border: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0, 0, 0.2, 1);
  text-align: left;
}

[data-theme="lcd90s"] .auth-method-sso:hover,
[data-theme="lcd90s"] .auth-method-toggle:hover {
  background: var(--bg-surface-hover, #f1f3f5);
  transform: translateY(-1px);
}

[data-theme="lcd90s"] .auth-icon {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light, #e8eafc);
  color: var(--color-primary, #2b3492);
  border-radius: var(--radius-lg, 0.5rem);
  font-size: var(--text-xl, 1.25rem);
  flex-shrink: 0;
}

[data-theme="lcd90s"] .auth-text {
  flex: 1;
}

[data-theme="lcd90s"] .auth-text h3 {
  color: var(--text-primary, #1f1f1f);
  font-size: var(--text-base, 1rem);
  font-weight: var(--font-semibold, 600);
  margin: 0 0 var(--space-1, 0.25rem) 0;
}

[data-theme="lcd90s"] .auth-text p {
  color: var(--text-secondary, #717888);
  font-size: var(--text-sm, 0.875rem);
  margin: 0;
}

[data-theme="lcd90s"] .auth-method .badge {
  padding: var(--space-1, 0.25rem) var(--space-2, 0.5rem);
  background: var(--color-primary, #2b3492);
  color: white;
  border-radius: 9999px;
  font-size: var(--text-xs, 0.75rem);
  font-weight: var(--font-semibold, 600);
}

[data-theme="lcd90s"] .expand-icon {
  color: var(--text-secondary, #717888);
  transition: transform 0.2s cubic-bezier(0, 0, 0.2, 1);
}

[data-theme="lcd90s"] .auth-form {
  padding: var(--space-4, 1rem);
  background: var(--bg-primary, #ffffff);
  border-top: 1px solid var(--color-border, #dee2e6);
}

[data-theme="lcd90s"] .auth-form-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3, 0.75rem);
}

[data-theme="lcd90s"] .form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2, 0.5rem);
}

[data-theme="lcd90s"] .form-group label {
  color: var(--text-primary, #1f1f1f);
  font-size: var(--text-sm, 0.875rem);
  font-weight: var(--font-medium, 500);
}

[data-theme="lcd90s"] .form-group input {
  padding: var(--space-3, 0.75rem);
  border: 1px solid var(--color-border, #dee2e6);
  border-radius: var(--radius-md, 0.375rem);
  font-size: var(--text-base, 1rem);
  background: var(--bg-surface, #f8f9fa);
  color: var(--text-primary, #1f1f1f);
  transition: border-color 0.2s cubic-bezier(0, 0, 0.2, 1);
}

[data-theme="lcd90s"] .form-group input:focus {
  outline: none;
  border-color: var(--color-primary, #2b3492);
  box-shadow: 0 0 0 3px var(--color-primary-light, #e8eafc);
}

[data-theme="lcd90s"] .form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2, 0.5rem);
}

[data-theme="lcd90s"] .form-check input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  cursor: pointer;
}

[data-theme="lcd90s"] .form-check label {
  font-size: var(--text-sm, 0.875rem);
  color: var(--text-secondary, #717888);
  cursor: pointer;
}

[data-theme="lcd90s"] .btn-block {
  width: 100%;
  padding: var(--space-3, 0.75rem) var(--space-4, 1rem);
  background: var(--color-primary, #2b3492);
  color: white;
  border: none;
  border-radius: var(--radius-md, 0.375rem);
  font-size: var(--text-base, 1rem);
  font-weight: var(--font-semibold, 600);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0, 0, 0.2, 1);
}

[data-theme="lcd90s"] .btn-block:hover:not(:disabled) {
  background: var(--color-primary-hover, #232a78);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md, 0 4px 6px -1px rgba(0, 0, 0, 0.1));
}

[data-theme="lcd90s"] .btn-block:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

[data-theme="lcd90s"] .form-help {
  font-size: var(--text-xs, 0.75rem);
  color: var(--text-tertiary, #93908f);
  margin: 0;
  text-align: center;
}

[data-theme="lcd90s"] .auth-error {
  padding: var(--space-3, 0.75rem);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md, 0.375rem);
  color: var(--color-danger, #ef4444);
  font-size: var(--text-sm, 0.875rem);
  margin-bottom: var(--space-3, 0.75rem);
}

@media (max-width: 767.98px) {
  [data-theme="lcd90s"] .auth-container {
    padding: var(--space-6, 1.5rem);
  }

  [data-theme="lcd90s"] .auth-logo h1 {
    font-size: var(--text-2xl, 1.5rem);
  }
}