/* ==========================================================================
   Lokki - Design Tokens & Basis-Styles
   ========================================================================== */

@font-face {
  font-family: "LokkiSans";
  src: url("/static/lokki/fonts/lokki-sans.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "LokkiSans";
  src: url("/static/lokki/fonts/lokki-sans-bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Farbpalette: Ruhig, kindgerecht, kontrastreich */
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-hover: #f1f5f9;
  --color-border: #cbd5e1;
  --color-border-focus: #0284c7;

  --color-text-main: #0f172a;
  --color-text-muted: #475569;
  --color-text-inverse: #ffffff;

  --color-primary: #0284c7;        /* Lok-Blau */
  --color-primary-hover: #0369a1;
  --color-primary-active: #075985;
  --color-accent: #f59e0b;         /* Sonnengelb / Signal */
  --color-accent-hover: #d97706;
  --color-success: #16a34a;        /* Signal-Grün */
  --color-danger: #dc2626;

  /* Typografie */
  --font-family: "LokkiSans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-size-base: 1.125rem;
  --font-size-lg: 1.5rem;
  --font-size-xl: 2rem;
  --font-size-2xl: 2.75rem;

  /* Mindestgröße für Touch-Ziele (72 CSS-px) */
  --touch-target-size: 72px;

  /* Radien & Schatten */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);

  /* Übergänge */
  --transition-speed: 0.2s;
}

/* Box-Sizing & Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  background-color: var(--color-bg);
  color: var(--color-text-main);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.5;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Reduzierte Bewegung bei entsprechender Systemeinstellung */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Layout Container */
.app-container {
  display: flex;
  flex-direction: column;
  flex: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* Header & Statusleiste */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--color-border);
}

.app-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.status-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-success);
}

.status-dot.offline {
  background-color: var(--color-danger);
}

/* Hauptbereich: Bahnhof */
.station-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 2rem;
  padding: 2rem 1rem;
}

.station-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-main);
}

.station-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 600px;
}

/* Großer Einsteigen-Button (mindestens 72px hoch & breit) */
.btn-board {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  min-height: var(--touch-target-size);
  min-width: 240px;
  padding: 1rem 2.5rem;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-inverse);
  background-color: var(--color-primary);
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  touch-action: manipulation;
  transition: transform var(--transition-speed), background-color var(--transition-speed);
}

.btn-board:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
}

.btn-board:active {
  background-color: var(--color-primary-active);
  transform: translateY(2px);
}

/* Standard-Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  min-width: 48px;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-text-main);
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-speed);
}

.btn:hover {
  background-color: var(--color-surface-hover);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

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

/* Auth / Login Formular */
.auth-card {
  width: 100%;
  max-width: 440px;
  margin: auto;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 1rem;
  font-size: var(--font-size-base);
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.2);
}

.alert {
  padding: 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.alert-error {
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

/* Footer & Metainformationen */
.app-footer {
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.auth-title {
  margin-bottom: 1.5rem;
  font-size: var(--font-size-xl);
}

.btn-full {
  width: 100%;
  min-height: var(--touch-target-size);
}