/* RoomPilot Base-Styles - AUE Corporate Design */
@import url('https://fonts.googleapis.com/css2?family=Merriweather:wght@300;400;700&family=PT+Sans:wght@400;700&display=swap');

:root {
  --au-rot: #e20613;
  --au-rot-dunkel: #9a1d28;
  --au-rot-glow: rgba(226, 6, 19, 0.15);
  --au-beige: #faf6e5;
  --au-hellgrau: #f4f4f4;
  --au-mittelgrau: #d0d3d6;
  --au-dunkelgrau: #666b6e;
  --au-text: #676767;
  --au-heading: #1a1a1a;
  --au-link: #4a90e2;
  --au-success: #557555;
  --au-warning: #ffc378;
  --au-error: #e3140d;

  --font-heading: 'Merriweather', Georgia, serif;
  --font-body: 'PT Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.10);
  --shadow-glow: 0 0 0 4px var(--au-rot-glow);

  --transition: 180ms cubic-bezier(0.4, 0.0, 0.2, 1);

  --container-max: 1280px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  color: var(--au-text);
  background-color: var(--au-hellgrau);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--au-heading);
  font-family: var(--font-body);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 0.5em;
}

h1 {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 400;
  color: var(--au-rot);
  letter-spacing: -0.01em;
}

h2 { font-size: 24px; }
h3 { font-size: 19px; }
h4 { font-size: 16px; }

p {
  margin: 0 0 1em;
}

a {
  color: var(--au-link);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--au-rot); }

button, .btn {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--au-rot);
  color: #fff;
  border-color: var(--au-rot-dunkel);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--au-rot-dunkel);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: #fff;
  color: var(--au-heading);
  border-color: var(--au-mittelgrau);
}
.btn-secondary:hover {
  border-color: var(--au-rot);
  color: var(--au-rot);
}

.btn-ghost {
  background: transparent;
  color: var(--au-dunkelgrau);
  border-color: transparent;
}
.btn-ghost:hover {
  background: var(--au-hellgrau);
  color: var(--au-heading);
}

input, select, textarea {
  font-family: var(--font-body);
  font-size: 15px;
  padding: 10px 14px;
  border: 1.5px solid var(--au-mittelgrau);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--au-heading);
  transition: all var(--transition);
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--au-rot);
  box-shadow: var(--shadow-glow);
}

label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--au-dunkelgrau);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.05);
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

.app-header {
  background: #fff;
  border-bottom: 3px solid var(--au-rot);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.app-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

.app-header h1 {
  font-size: 22px;
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 400;
}

nav.main-nav {
  display: flex;
  gap: 8px;
  align-items: center;
}
nav.main-nav a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: var(--au-dunkelgrau);
  font-weight: 700;
  font-size: 14px;
  transition: all var(--transition);
}
nav.main-nav a:hover {
  background: var(--au-hellgrau);
  color: var(--au-heading);
}
nav.main-nav a.active {
  background: var(--au-rot);
  color: #fff;
}

main {
  padding: 32px 0;
  min-height: calc(100vh - 70px);
}

/* Ampel-Farben */
.status-frei { color: var(--au-success); }
.status-belegt { color: var(--au-error); }
.status-bald { color: #d68a1f; }
.status-nicht-buchbar { color: var(--au-dunkelgrau); }

.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 6px;
}
.dot-frei { background: var(--au-success); }
.dot-belegt { background: var(--au-error); }
.dot-bald { background: #d68a1f; }
.dot-nicht-buchbar { background: var(--au-dunkelgrau); }

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  background: var(--au-heading);
  color: #fff;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  animation: slide-in 0.3s ease-out;
}
.toast.error { background: var(--au-error); }
.toast.success { background: var(--au-success); }
.toast.warning { background: #d68a1f; }

@keyframes slide-in {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Mobile */
@media (max-width: 768px) {
  h1 { font-size: 28px; }
  h2 { font-size: 20px; }
  main { padding: 16px 0; }
  .container { padding: 0 12px; }
  .card { padding: 16px; border-radius: var(--radius-sm); }
  .app-header-inner { padding: 0 12px; }
  nav.main-nav { gap: 4px; }
  nav.main-nav a { padding: 6px 10px; font-size: 13px; }
}