/* ===============================================
   BASE STYLES - Grundlagen & CSS-Variablen
   =============================================== */

/* Font Definition */
@font-face {
  font-family: "MM Headline Pro WebTT Regular";
  src: url("../fonts/mm-headline-regular.woff2") format("woff2"),
    url("../fonts/mm-headline-regular.woff") format("woff"),
    url("../fonts/mm-headline-regular.ttf") format("truetype"),
    url("../fonts/PrestoMMHeadlinePro-Regular.otf") format("opentype");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* CSS-Variablen für konsistente Styles */
:root {
  /* Farben */
  --primary-color: #d32f2f;
  --primary-hover: #e00000;
  --secondary-color: #f0f0f0;
  --secondary-hover: #e0e0e0;
  --text-color: #333;
  --text-light: #666;
  --border-color: #ddd;
  --success-color: #388e3c;
  --warning-color: #f57c00;
  --error-color: #d32f2f;
  --info-color: #2196f3;
  --background-yellow: #ffff00;

  /* Schatten */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);

  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Spacing */
  --spacing-xs: 5px;
  --spacing-sm: 10px;
  --spacing-md: 15px;
  --spacing-lg: 20px;

  /* Typography */
  --font-family: "MM Headline Pro WebTT Regular", Arial, sans-serif;
  --font-family-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-monospace: 'Courier New', monospace;

  /* Layout-spezifische Variablen */
  --thumbnail-height: 140px;
  --thumbnail-width: 99px; /* A4-Proportionen: 140px / 1.414 ≈ 99px */
  --thumbnail-active-scale: 1.4;
  --thumbnail-container-padding: 20px;
  --header-small-color: #777777;
  --header-small-color-dark: #999999;
}

/* ===============================================
   LIGHT MODE VARIABLEN (Standard)
   =============================================== */
:root {
  /* Light Mode Grundfarben */
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f5;
  --bg-tertiary: #e0e0e0;
  --bg-elevated: #ffffff;
  --bg-overlay: rgba(0, 0, 0, 0.5);
  
  /* Light Mode Textfarben */
  --text-primary: #333333;
  --text-secondary: #666666;
  --text-muted: #999999;
  --text-disabled: #cccccc;
  --text-inverse: #ffffff;
  
  /* Light Mode Akzentfarben */
  --accent-primary: #ff0000;
  --accent-secondary: #0066cc;
  --accent-success: #4caf50;
  --accent-warning: #ff9800;
  --accent-error: #f44336;
  --accent-info: #2196f3;
  
  /* Light Mode Rahmen & Trennlinien */
  --border-primary: #dddddd;
  --border-secondary: #cccccc;
  --border-subtle: #eeeeee;
  --border-focus: #ff0000;
  
  /* Light Mode Schatten */
  --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 8px 16px rgba(0, 0, 0, 0.2);
  
  /* Light Mode Scrollbars */
  --scrollbar-track: #f1f1f1;
  --scrollbar-thumb: #c1c1c1;
  --scrollbar-thumb-hover: #a8a8a8;
}

/* ===============================================
   DARK MODE VARIABLEN ÜBERSCHREIBUNG
   =============================================== */
body.dark-mode {
  /* Dark Mode Grundfarben */
  --bg-primary: var(--dark-bg-primary);
  --bg-secondary: var(--dark-bg-secondary);
  --bg-tertiary: var(--dark-bg-tertiary);
  --bg-elevated: var(--dark-bg-elevated);
  --bg-overlay: var(--dark-bg-overlay);
  
  /* Dark Mode Textfarben */
  --text-primary: var(--dark-text-primary);
  --text-secondary: var(--dark-text-secondary);
  --text-muted: var(--dark-text-muted);
  --text-disabled: var(--dark-text-disabled);
  --text-inverse: var(--dark-text-inverse);
  
  /* Dark Mode Akzentfarben */
  --accent-primary: var(--dark-accent-primary);
  --accent-secondary: var(--dark-accent-secondary);
  --accent-success: var(--dark-accent-success);
  --accent-warning: var(--dark-accent-warning);
  --accent-error: var(--dark-accent-error);
  --accent-info: var(--dark-accent-info);
  
  /* Dark Mode Rahmen & Trennlinien */
  --border-primary: var(--dark-border-primary);
  --border-secondary: var(--dark-border-secondary);
  --border-subtle: var(--dark-border-subtle);
  --border-focus: var(--dark-border-focus);
  
  /* Dark Mode Schatten */
  --shadow-light: var(--dark-shadow-light);
  --shadow-medium: var(--dark-shadow-medium);
  --shadow-heavy: var(--dark-shadow-heavy);
  
  /* Dark Mode Scrollbars */
  --scrollbar-track: var(--dark-scrollbar-track);
  --scrollbar-thumb: var(--dark-scrollbar-thumb);
  --scrollbar-thumb-hover: var(--dark-scrollbar-thumb-hover);
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
}

html, body {
  height: 100%;
  width: 100%;
  overflow-x: hidden;
}

body {
  background-color: white;
  font-family: var(--font-family);
  color: var(--text-color);
  font-synthesis: none;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Dark Mode Body Styles */
body.dark-mode {
  background-color: #222;
  color: #eee;
}

body.dark-mode * {
  color: inherit;
}

/* Input Elements Dark Mode */
body.dark-mode textarea {
  background-color: #444;
  border-color: #555;
  color: #eee;
}

body.dark-mode textarea:focus {
  border-color: #ff6b6b;
  box-shadow: 0 0 0 2px rgba(255, 107, 107, 0.2);
}

body.dark-mode input {
  background-color: #444;
  border-color: #555;
  color: #eee;
}

body.dark-mode input:focus {
  border-color: #ff6b6b;
  box-shadow: 0 0 0 2px rgba(255, 107, 107, 0.2);
}

/* Buttons Dark Mode */
body.dark-mode button {
  background-color: #444;
  color: #eee;
  border-color: #555;
}

body.dark-mode button:hover {
  background-color: #555;
}

/* Labels Dark Mode */
body.dark-mode label {
  color: #eee;
}

/* Links Dark Mode */
body.dark-mode .highlight {
  color: #ff6b6b;
}

/* Toast Messages Dark Mode */
body.dark-mode .toast {
  background-color: #333;
  color: #eee;
  border-color: #555;
}

/* Help Boxes Dark Mode */
body.dark-mode .help-box {
  background-color: #333;
  border-left-color: #555;
  color: #eee;
}

body.dark-mode .help-icon {
  background-color: #555;
  color: #eee;
}

body.dark-mode .tooltip {
  background-color: #555;
  color: #eee;
}

/* Dark Mode Toggle Button */
body.dark-mode .dark-mode-toggle {
  background-color: #444;
  border-color: #555;
}

body.dark-mode .dark-mode-icon {
  fill: #eee;
}

body.dark-mode .sun-icon {
  display: none;
}

body.dark-mode .moon-icon {
  display: block;
}

/* File Upload Dark Mode */
body.dark-mode .dropzone {
  border-color: #555;
  color: #aaa;
  background-color: #333;
}

body.dark-mode .dropzone:hover,
body.dark-mode .dropzone.dragover {
  border-color: #ff6b6b;
  background-color: rgba(255, 107, 107, 0.1);
}

body.dark-mode .upload-icon {
  fill: #555;
}

body.dark-mode .dropzone:hover .upload-icon {
  fill: #ff6b6b;
}

body.dark-mode .file-item {
  background-color: #444;
  border-color: #555;
}

body.dark-mode .file-item:hover {
  background-color: #555;
}

body.dark-mode .file-name {
  color: #eee;
}

body.dark-mode .file-size {
  color: #aaa;
}

body.dark-mode .file-remove {
  color: #aaa;
}

body.dark-mode .file-remove:hover {
  color: #ff6b6b;
}

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

.text-muted { color: var(--text-light); }
.bg-yellow { background-color: var(--background-yellow); }
.text-black { color: black; }

.price-increase { color: var(--error-color); }
.price-decrease { color: var(--success-color); }

.highlight { 
  color: var(--primary-color);
  font-weight: 500;
}

.hidden-input { display: none; }

/* Screen Reader Only - für Accessibility */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}