/* ============================================================
   style.css – Claude.ai dark theme
   Nachbau des dunklen Chat-Looks aus claude.ai
   ============================================================ */

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

:root {
  /* Hintergründe */
  --color-background-primary:   #1a1a1a;
  --color-background-secondary: #242424;
  --color-background-tertiary:  #0d0d0d;
  --color-background-info:      #0c2a3a;
  --color-background-success:   #0a2a1a;
  --color-background-warning:   #2a1f08;
  --color-background-danger:    #2a0f0f;

  /* Text */
  --color-text-primary:    #f0ece4;
  --color-text-secondary:  #a09d97;
  --color-text-tertiary:   #6b6865;
  --color-text-info:       #7bbfdf;
  --color-text-success:    #5dcaa5;
  --color-text-warning:    #ef9f27;
  --color-text-danger:     #f09595;

  /* Ränder */
  --color-border-tertiary: rgba(240, 236, 228, 0.10);
  --color-border-secondary:rgba(240, 236, 228, 0.20);
  --color-border-primary:  rgba(240, 236, 228, 0.30);
  --color-border-info:     rgba(123, 191, 223, 0.40);
  --color-border-success:  rgba(93, 202, 165, 0.40);
  --color-border-warning:  rgba(239, 159, 39, 0.40);
  --color-border-danger:   rgba(240, 149, 149, 0.40);

  /* Schriften */
  --font-sans:  'Söhne', 'ui-sans-serif', system-ui, -apple-system, sans-serif;
  --font-serif: 'Söhne Serif', Georgia, 'Times New Roman', serif;
  --font-mono:  'Söhne Mono', 'ui-monospace', 'SFMono-Regular', Menlo, monospace;

  /* Radien */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--color-background-tertiary);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.7;
}

/* ---------- Typografie ---------- */

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-primary);
  font-weight: 500;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

h1 { font-size: 1.375rem; }   /* 22px */
h2 { font-size: 1.125rem; }   /* 18px */
h3 { font-size: 1rem;      }  /* 16px */

p {
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

p:last-child { margin-bottom: 0; }

a {
  color: var(--color-text-info);
  text-decoration: none;
  border-bottom: 0.5px solid transparent;
  transition: border-color 0.15s;
}

a:hover {
  border-bottom-color: var(--color-text-info);
}

strong, b { font-weight: 500; }

em, i { font-style: italic; }

small {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

code, kbd, samp {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  background: var(--color-background-secondary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-sm);
  padding: 0.1em 0.35em;
  color: var(--color-text-primary);
}

pre {
  background: var(--color-background-secondary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin-bottom: 1rem;
}

pre code {
  background: transparent;
  border: none;
  padding: 0;
  font-size: 0.875rem;
  line-height: 1.6;
}

blockquote {
  border-left: 2px solid var(--color-border-secondary);
  padding-left: 1rem;
  margin: 1rem 0;
  color: var(--color-text-secondary);
  font-family: var(--font-serif);
}

hr {
  border: none;
  border-top: 0.5px solid var(--color-border-tertiary);
  margin: 1.5rem 0;
}

/* ---------- Listen ---------- */

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.25rem;
  color: var(--color-text-primary);
}

li::marker {
  color: var(--color-text-tertiary);
}

/* ---------- Tabellen ---------- */

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}

th {
  text-align: left;
  font-weight: 500;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  padding: 8px 12px;
  border-bottom: 0.5px solid var(--color-border-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

td {
  padding: 8px 12px;
  border-bottom: 0.5px solid var(--color-border-tertiary);
  color: var(--color-text-primary);
  vertical-align: top;
}

tr:last-child td { border-bottom: none; }

tr:hover td { background: var(--color-background-secondary); }

/* ---------- Karten ---------- */

.card {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 1rem 1.25rem;
}

.card-surface {
  background: var(--color-background-secondary);
  border-radius: var(--border-radius-md);
  padding: 1rem;
}

/* ---------- Formular-Elemente ---------- */

input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="number"],
textarea,
select {
  background: var(--color-background-secondary);
  border: 0.5px solid var(--color-border-secondary);
  border-radius: var(--border-radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 0 0.75rem;
  height: 36px;
  width: 100%;
  outline: none;
  transition: border-color 0.15s;
}

textarea {
  height: auto;
  padding: 0.5rem 0.75rem;
  resize: vertical;
  line-height: 1.6;
}

input:hover, textarea:hover, select:hover {
  border-color: var(--color-border-primary);
}

input:focus, textarea:focus, select:focus {
  border-color: var(--color-border-secondary);
  box-shadow: 0 0 0 3px rgba(240, 236, 228, 0.07);
}

input::placeholder, textarea::placeholder {
  color: var(--color-text-tertiary);
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b6865' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

input[type="range"] {
  height: auto;
  padding: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  accent-color: var(--color-text-info);
  cursor: pointer;
}

input[type="range"]:focus { box-shadow: none; }

input[type="checkbox"],
input[type="radio"] {
  width: auto;
  height: auto;
  accent-color: var(--color-text-info);
  cursor: pointer;
}

label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  display: block;
  margin-bottom: 0.375rem;
}

/* ---------- Buttons ---------- */

button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: transparent;
  border: 0.5px solid var(--color-border-secondary);
  border-radius: var(--border-radius-md);
  color: var(--color-text-primary);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 400;
  padding: 6px 14px;
  height: 36px;
  transition: background 0.15s, transform 0.1s;
  white-space: nowrap;
}

button:hover, .btn:hover {
  background: var(--color-background-secondary);
}

button:active, .btn:active {
  transform: scale(0.98);
}

button:disabled, .btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--color-text-primary);
  border-color: var(--color-text-primary);
  color: var(--color-background-tertiary);
  font-weight: 500;
}

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

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

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

/* ---------- Badges & Pills ---------- */

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--border-radius-md);
  line-height: 1.5;
}

.badge-info    { background: var(--color-background-info);    color: var(--color-text-info);    }
.badge-success { background: var(--color-background-success); color: var(--color-text-success); }
.badge-warning { background: var(--color-background-warning); color: var(--color-text-warning); }
.badge-danger  { background: var(--color-background-danger);  color: var(--color-text-danger);  }
.badge-neutral { background: var(--color-background-secondary); color: var(--color-text-secondary); }

/* ---------- Metrik-Karten ---------- */

.metric-card {
  background: var(--color-background-secondary);
  border-radius: var(--border-radius-md);
  padding: 1rem;
}

.metric-label {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.25rem;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-text-primary);
  line-height: 1.2;
}

/* ---------- Fortschrittsbalken ---------- */

.progress-outer {
  width: 100%;
  height: 6px;
  background: var(--color-background-secondary);
  border-radius: 99px;
  overflow: hidden;
}

.progress-inner {
  height: 100%;
  border-radius: 99px;
  background: var(--color-text-info);
  transition: width 0.3s ease;
}

/* ---------- Layout-Helfer ---------- */

.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.container-wide {
  max-width: 1024px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }

.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.flex-col    { display: flex; flex-direction: column; }
.gap-sm      { gap: 8px; }
.gap-md      { gap: 12px; }
.gap-lg      { gap: 16px; }

/* ---------- Abstands-Helfer ---------- */

.mt-sm { margin-top: 0.5rem;  }
.mt-md { margin-top: 1rem;    }
.mt-lg { margin-top: 1.5rem;  }
.mb-sm { margin-bottom: 0.5rem;  }
.mb-md { margin-bottom: 1rem;    }
.mb-lg { margin-bottom: 1.5rem;  }

/* ---------- Text-Helfer ---------- */

.text-secondary { color: var(--color-text-secondary); }
.text-tertiary  { color: var(--color-text-tertiary);  }
.text-info      { color: var(--color-text-info);      }
.text-success   { color: var(--color-text-success);   }
.text-warning   { color: var(--color-text-warning);   }
.text-danger    { color: var(--color-text-danger);    }
.text-mono      { font-family: var(--font-mono); }
.text-sm        { font-size: 0.875rem; }
.text-xs        { font-size: 0.8125rem; }
.text-center    { text-align: center; }

/* ---------- Trennlinien mit Label ---------- */

.divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.5rem 0;
  color: var(--color-text-tertiary);
  font-size: 0.8125rem;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  border-top: 0.5px solid var(--color-border-tertiary);
}

/* ---------- Scrollbar (Webkit) ---------- */

::-webkit-scrollbar            { width: 6px; height: 6px; }
::-webkit-scrollbar-track      { background: transparent; }
::-webkit-scrollbar-thumb      { background: var(--color-border-secondary); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover{ background: var(--color-border-primary); }

/* ---------- Responsive ---------- */

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .container, .container-wide { padding: 1rem; }
}