/* Base Styles - Gemeinsame Styles für alle Seiten */

:root {
  --white: #fff;
  --black: #000;
  --color-primary: #b87fed;
  --color-primary-60: rgba(184, 127, 237, 0.6);
  --color-primary-30: rgba(184, 127, 237, 0.3);
  --color-primary-10: rgba(184, 127, 237, 0.1);
  --color-secondary: #601e9e;
  --color-secondary-60: rgba(96, 30, 158, 0.6);
  --color-secondary-30: rgba(96, 30, 158, 0.3);
  --color-secondary-10: rgba(96, 30, 158, 0.1);
  --color-background: rgba(20, 8, 32, 0.95);
  --color-background-light: rgba(40, 16, 64, 0.8);
  --color-background-dark: rgba(10, 4, 16, 0.9);
  --color-surface: rgba(30, 12, 48, 0.9);
  --color-font-light: #f0f0f0;
  --color-font: #d0d0d0;
  --color-font-dark: #888;
  --color-success: #28a745;
  --color-error: #ef3e3e;
  --color-warning: #ffc107;
  --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.25);
  --shadow-heavy: 0 8px 32px rgba(0, 0, 0, 0.4);
  --border-radius: 12px;
  --border-radius-small: 8px;
  --transition: 0.2s ease;
}

* {
  box-sizing: border-box;
}

body, html {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-font-light);
  background: linear-gradient(145deg, #000000, #140820);
  background-attachment: fixed;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: relative;
}

/* Common Button Styles */
.btn {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  border: none;
  padding: 0.6rem 1.5rem;
  border-radius: var(--border-radius-small);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
  text-align: center;
  box-shadow: var(--shadow-light);
  position: relative;
  overflow: hidden;
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  height: auto;
  min-width: 170px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

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

.hidden {
  display: none !important;
}