/* ======================
   Vink Plast Brugervejledning - Optimeret Design
   ====================== */

/* CSS Variables for theming */
:root {
  /* Vink Plast Brand Colors */
  --vink-yellow: #FFD700;
  --vink-yellow-dark: #E6C200;
  --vink-yellow-light: #FFF4B3;
  
  /* Light theme */
  --color-primary: #FFD700;
  --color-primary-dark: #FFD700;
  --color-accent: var(--vink-yellow);
  --color-accent-dark: var(--vink-yellow-dark);
  --color-bg: #FAFBFC;
  --color-surface: #FFFFFF;
  --color-text: #1F2937;
  --color-text-secondary: #6B7280;
  --color-border: #E5E7EB;
  --color-border-focus: var(--vink-yellow);
  
  /* Dark theme variables (will be overridden) */
  --color-bg-dark: #000000;
  --color-surface-dark: #1A1A1A;
  --color-text-dark: #FFFFFF;
  --color-text-secondary-dark: #D1D5DB;
  --color-border-dark: #374151;
  
  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --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;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Layout */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark theme */
[data-theme="dark"] {
  --color-bg: var(--color-bg-dark);
  --color-surface: var(--color-surface-dark);
  --color-text: var(--color-text-dark);
  --color-text-secondary: var(--color-text-secondary-dark);
  --color-border: var(--color-border-dark);
}

/* High contrast theme */
[data-contrast="high"] {
  --color-text: #000000;
  --color-text-secondary: #333333;
  --color-border: #000000;
}

[data-theme="dark"][data-contrast="high"] {
  --color-text: #FFFFFF;
  --color-text-secondary: #CCCCCC;
  --color-border: #FFFFFF;
}

/* Font size settings */
[data-font-size="large"] {
  --font-size-base: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.375rem;
  --font-size-2xl: 1.625rem;
  --font-size-3xl: 2rem;
}

[data-font-size="extra-large"] {
  --font-size-base: 1.25rem;
  --font-size-lg: 1.375rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 1.75rem;
  --font-size-3xl: 2.25rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  font-size: var(--font-size-base);
  line-height: 1.6;
  background: var(--color-bg);
  color: var(--color-text);
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: var(--transition);
}

/* ======================
   Utility Classes
   ====================== */
.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ======================
   Header & Navigation
   ====================== */
.header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  padding: var(--spacing-lg) var(--spacing-md);
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

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

.logo {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
}

.header h1 {
  margin: 0;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.settings-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.settings-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ======================
   Main Content
   ====================== */
.content {
  flex: 1;
  padding: var(--spacing-xl) var(--spacing-md);
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

/* ======================
   Search Input
   ====================== */
.search-container {
  position: relative;
  margin-bottom: var(--spacing-xl);
}

.search-input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  padding-left: 3rem;
  font-size: var(--font-size-lg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-text);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1), var(--shadow-md);
}

.search-icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
}

/* ======================
   Grid Layout
   ====================== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

/* ======================
   Machine Cards
   ====================== */
.machine-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.machine-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--vink-yellow) 0%, var(--vink-yellow-dark) 100%);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.machine-card:hover::before {
  transform: scaleX(1);
}

.machine-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.machine-card h3 {
  margin: 0 0 var(--spacing-sm) 0;
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text);
}

.machine-card p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.machine-card .card-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--vink-yellow) 0%, var(--vink-yellow-dark) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xl);
  font-weight: bold;
  color: var(--color-text);
}

/* ======================
   Buttons
   ====================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1.5;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.3);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-text);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

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

.btn-ghost:hover {
  background: var(--color-border);
  color: var(--color-text);
}

/* ======================
   Instruction View
   ====================== */
.instr-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.instr-title-section {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

#instr-title {
  margin: 0;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.025em;
}

.create-guide-btn {
  background: linear-gradient(135deg, var(--vink-yellow) 0%, var(--vink-yellow-dark) 100%);
  color: var(--color-text);
  padding: var(--spacing-md) var(--spacing-lg);
  font-weight: 600;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.create-guide-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Category Navigation */
.nav-cats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-md);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.instr-cat-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.instr-cat-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Instruction Content */
.instr-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.instr-content section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.instr-content section:hover {
  box-shadow: var(--shadow-md);
}

.instr-content h3 {
  margin: 0 0 var(--spacing-lg) 0;
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.instr-content h3::before {
  content: '';
  width: 4px;
  height: 24px;
  background: linear-gradient(135deg, var(--vink-yellow) 0%, var(--vink-yellow-dark) 100%);
  border-radius: 2px;
}

.instr-content p,
.instr-content ul,
.instr-content ol {
  margin: var(--spacing-md) 0;
  line-height: 1.7;
  color: var(--color-text);
}

.instr-content li {
  margin: var(--spacing-sm) 0;
}

.instr-content strong {
  color: var(--color-primary);
  font-weight: 600;
}

/* ======================
   Alert Components
   ====================== */
.alert {
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  margin: var(--spacing-lg) 0;
  border-left: 4px solid;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.alert-warning {
  background: #FEF3C7;
  border-left-color: #F59E0B;
  color: #92400E;
}

.alert-info {
  background: #FFE680;           /* Mørkere end #FFF4B3 (ca. –10% lysere) */
  border-left-color: #FFC700;    /* Mørkere end #FFD700 (ca. –10% lysere) */
  color: #8C6B00;                /* Mørk okker for bedst kontrast */
}

.alert-success {
  background: #D1FAE5;
  border-left-color: #10B981;
  color: #065F46;
}

.alert-error {
  background: #FEE2E2;
  border-left-color: #EF4444;
  color: #991B1B;
}

[data-theme="dark"] .alert-warning {
  background: rgba(245, 158, 11, 0.1);
  color: #FCD34D;
}

[data-theme="dark"] .alert-info {
  background: rgba(59, 130, 246, 0.1);
  color: #93C5FD;
}

[data-theme="dark"] .alert-success {
  background: rgba(16, 185, 129, 0.1);
  color: #6EE7B7;
}

[data-theme="dark"] .alert-error {
  background: rgba(239, 68, 68, 0.1);
  color: #FCA5A5;
}

/* ======================
   Settings Modal
   ====================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.modal h2 {
  margin: 0 0 var(--spacing-xl) 0;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text);
}

.setting-group {
  margin-bottom: var(--spacing-lg);
}

.setting-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--color-text);
}

.setting-group select {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--font-size-base);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

/* ======================
   Footer
   ====================== */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.last-updated {
  margin: var(--spacing-lg) 0 0 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-align: center;
}

/* ======================
   Responsive Design
   ====================== */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    text-align: center;
  }
  
  .content {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .instr-header {
    flex-direction: column;
    align-items: stretch;
  }
  
  .nav-cats {
    justify-content: center;
  }
  
  .modal {
    margin: var(--spacing-md);
    width: calc(100% - 2rem);
  }
}

@media (max-width: 480px) {
  .header h1 {
    font-size: var(--font-size-xl);
  }
  
  #instr-title {
    font-size: var(--font-size-2xl);
  }
  
  .machine-card {
    padding: var(--spacing-md);
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ======================
   Print Styles
   ====================== */
@media print {
  .header-actions,
  .search-container,
  .nav-cats,
  .btn {
    display: none !important;
  }
  
  .content {
    max-width: none;
    padding: 0;
  }
  
  .instr-content section {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}