/**
 * MCP Camera - Main Stylesheet
 * Using CSS custom properties for theming
 */

/* CSS Custom Properties */
:root {
  /* Colors - Professional palette */
  --color-primary: #4a5568;        /* Neutral gray-blue */
  --color-primary-dark: #2d3748;   /* Darker shade */
  --color-primary-light: #718096;  /* Lighter shade */
  --color-secondary: #667eea;      /* Subtle purple-blue */
  --color-secondary-dark: #5a67d8;
  --color-secondary-light: #7f9cf5;

  --color-background: #ffffff;
  --color-surface: #f7fafc;
  --color-surface-alt: #edf2f7;
  --color-text: #1a202c;           /* Almost black */
  --color-text-muted: #4a5568;     /* Medium gray */
  --color-text-light: #718096;     /* Light gray */

  --color-border: #e2e8f0;
  --color-border-hover: #cbd5e0;

  --color-success: #48bb78;        /* Muted green */
  --color-warning: #ed8936;        /* Muted orange */
  --color-error: #f56565;          /* Muted red */
  --color-info: #4299e1;           /* Muted blue */

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Typography */
  --font-family-base:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue',
    Arial, sans-serif;
  --font-family-mono:
    'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New',
    monospace;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.25;
  --line-height-base: 1.5;
  --line-height-relaxed: 1.75;

  /* Borders and Radius */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.375rem;
  --border-radius-lg: 0.5rem;
  --border-radius-xl: 0.75rem;
  --border-radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg:
    0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl:
    0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Dark theme (future implementation) */
[data-theme='dark'] {
  --color-background: #1a202c;
  --color-surface: #2d3748;
  --color-surface-alt: #4a5568;
  --color-text: #f7fafc;
  --color-text-muted: #cbd5e0;
  --color-text-light: #a0aec0;
  --color-border: #4a5568;
  --color-border-hover: #718096;
}

/* Reset and Base Styles */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-background);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--spacing-md);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
}

h1 {
  font-size: var(--font-size-4xl);
}
h2 {
  font-size: var(--font-size-3xl);
}
h3 {
  font-size: var(--font-size-2xl);
}
h4 {
  font-size: var(--font-size-xl);
}
h5 {
  font-size: var(--font-size-lg);
}
h6 {
  font-size: var(--font-size-base);
}

p {
  margin: 0 0 var(--spacing-md);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

/* Layout Components */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Header and Navigation */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.main-nav {
  padding: var(--spacing-md) 0;
}

.nav-container {
  display: flex;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  gap: var(--spacing-lg);
}

.logo {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.logo:hover {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-xl);
  flex: 1;
}

.nav-link {
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
  padding: var(--spacing-sm) 0;
  position: relative;
}

.nav-link:hover {
  color: var(--color-text);
}

.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
}

/* Main Content */
.main-content {
  min-height: calc(100vh - 200px);
  padding: var(--spacing-2xl) 0;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-2xl);
}

.hero h1 {
  margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
}

/* Features Grid */
.features {
  margin: var(--spacing-3xl) 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.feature-card {
  background-color: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
}

.feature-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-hover);
}

.feature-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

/* Footer */
.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0;
  text-align: center;
  color: var(--color-text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  border-radius: var(--border-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-surface-alt);
  border-color: var(--color-border-hover);
}

.btn-icon {
  padding: var(--spacing-xs);
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-lg);
  transition: opacity var(--transition-fast);
}

.btn-icon:hover {
  opacity: 0.7;
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

input[type='text'],
input[type='number'],
input[type='search'],
input[type='email'],
input[type='password'],
textarea,
select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  background-color: var(--color-background);
  color: var(--color-text);
  transition: border-color var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.search-input {
  max-width: 300px;
}

/* Utility Classes */
.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

.mt-sm {
  margin-top: var(--spacing-sm);
}
.mt-md {
  margin-top: var(--spacing-md);
}
.mt-lg {
  margin-top: var(--spacing-lg);
}
.mt-xl {
  margin-top: var(--spacing-xl);
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}
.mb-md {
  margin-bottom: var(--spacing-md);
}
.mb-lg {
  margin-bottom: var(--spacing-lg);
}
.mb-xl {
  margin-bottom: var(--spacing-xl);
}

/* Responsive Utilities */
@media (max-width: 768px) {
  .is-mobile .nav-links {
    display: none; /* Will be replaced with mobile menu */
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 0 var(--spacing-md);
  }
}

/* Success/Error Messages */
.success-message {
  color: var(--color-success);
  background-color: rgb(16 185 129 / 0.1);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-top: var(--spacing-md);
}

.error-message {
  color: var(--color-error);
  background-color: rgb(239 68 68 / 0.1);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-top: var(--spacing-md);
}

/* Loading States */
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.loading {
  animation: pulse 2s infinite;
}

/* Authentication Styles */
.nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
}

.nav-auth {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.auth-button {
  background-color: var(--color-primary);
  color: white;
  border: none;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
}

.auth-button:hover {
  background-color: var(--color-primary-dark);
}

/* Auth Modal */
.auth-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
}

.auth-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
}

.auth-modal-content {
  position: relative;
  background-color: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  max-width: 400px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow:
    0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.auth-modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-text-muted);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sm);
  transition: background-color 0.2s;
}

.auth-modal-close:hover {
  background-color: var(--color-surface-alt);
}

.auth-title {
  margin: 0 0 var(--spacing-lg);
  font-size: var(--font-size-xl);
  text-align: center;
}

/* Google Sign In Button */
.google-signin-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  background-color: white;
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition:
    background-color 0.2s,
    box-shadow 0.2s;
}

.google-signin-button:hover {
  background-color: var(--color-surface-alt);
  box-shadow:
    0 1px 3px 0 rgba(0, 0, 0, 0.1),
    0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.google-logo {
  width: 18px;
  height: 18px;
}

/* Auth Divider */
.auth-divider {
  position: relative;
  text-align: center;
  margin: var(--spacing-lg) 0;
}

.auth-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--color-border);
}

.auth-divider span {
  position: relative;
  padding: 0 var(--spacing-md);
  background-color: white;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* Auth Form */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.auth-form-group {
  display: flex;
  flex-direction: column;
}

.auth-form input {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  transition: border-color 0.2s;
}

.auth-form input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.auth-submit {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
}

.auth-submit:hover {
  background-color: var(--color-primary-dark);
}

/* Auth Switch */
.auth-switch {
  text-align: center;
  margin-top: var(--spacing-lg);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.auth-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.auth-link:hover {
  text-decoration: underline;
}

/* Auth Error */
.auth-error {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: rgb(239 68 68 / 0.1);
  border-radius: var(--border-radius-md);
}

.auth-error-message {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* User Menu */
.user-menu {
  position: relative;
}

.user-menu-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background-color: var(--color-background);
  border: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 40px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.user-menu-button:hover {
  background-color: var(--color-surface);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transform: translateY(-1px);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-primary);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.user-avatar-placeholder {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--font-size-sm);
  border: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.user-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.2;
}

/* User Dropdown */
.user-dropdown {
  position: absolute;
  top: calc(100% + var(--spacing-xs));
  right: 0;
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow:
    0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  min-width: 220px;
  z-index: var(--z-dropdown);
  overflow: hidden;
}

.user-info {
  padding: var(--spacing-md);
  background-color: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-border);
}

.user-email {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  word-break: break-word;
  line-height: 1.4;
}

.dropdown-divider {
  height: 1px;
  background-color: var(--color-border);
  margin: 0;
}

.dropdown-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: none;
  border: none;
  text-align: left;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.dropdown-item:hover {
  background-color: var(--color-surface-alt);
  color: var(--color-primary);
}

.dropdown-item:hover .dropdown-icon {
  color: var(--color-primary);
}

.dropdown-icon {
  width: 16px;
  height: 16px;
  color: var(--color-text-muted);
  transition: color 0.15s ease;
  flex-shrink: 0;
}

/* Auth Button */
.auth-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-primary);
  color: white;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.auth-button:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transform: translateY(-1px);
}

.auth-button:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}


/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  .auth-modal-content {
    background-color: var(--color-background);
    color: var(--color-text);
  }

  .auth-modal-close {
    color: var(--color-text-muted);
  }

  .google-signin-button {
    background-color: var(--color-background);
    border-color: var(--color-border);
  }

  .auth-divider span {
    background-color: var(--color-background);
  }

  .auth-form input {
    background-color: var(--color-background);
    color: var(--color-text);
    border-color: var(--color-border);
  }

  .user-dropdown {
    background-color: var(--color-background);
    border-color: var(--color-border);
  }
}

/* Legal Pages Styling */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.legal-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.legal-content .last-updated {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-2xl);
}

.legal-content section {
  margin-bottom: var(--spacing-2xl);
}

.legal-content h2 {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
}

.legal-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.legal-content p {
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.legal-content ul {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.legal-content li {
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.legal-content strong {
  font-weight: 600;
  color: var(--color-text);
}