/* ============================================================
   HABN Admin — Design System
   Spiegelt die Hauptseite (Terracotta + Moss + Cream)
   ============================================================ */

:root {
  --c-terracotta: #C45A3A;
  --c-terracotta-dark: #A8452A;
  --c-moss: #2D4A3E;
  --c-moss-dark: #1F3329;
  --c-cream: #F5EFE3;
  --c-cream-warm: #EFE6D2;
  --c-sand: #E8DCC4;
  --c-ink: #1F1A14;
  --c-ink-soft: #4A4035;
  --c-sage: #9DAA92;
  --c-line: rgba(31, 26, 20, 0.12);
  --c-danger: #B23A2C;
  --c-success: #4F7A4A;

  --f-display: 'Fraunces', Georgia, serif;
  --f-body: 'Inter', system-ui, -apple-system, sans-serif;

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(31, 26, 20, 0.06);
  --shadow-md: 0 6px 16px rgba(31, 26, 20, 0.08);
  --shadow-lg: 0 20px 50px rgba(31, 26, 20, 0.12);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--f-body);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--c-ink);
  background: var(--c-cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3 { font-family: var(--f-display); font-weight: 600; letter-spacing: -0.015em; line-height: 1.1; color: var(--c-moss); margin: 0; }
p { margin: 0; }
a { color: var(--c-terracotta); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============== Layout ============== */

.shell { min-height: 100vh; display: flex; flex-direction: column; }
.topbar {
  background: var(--c-moss);
  color: var(--c-cream);
  padding: 0.9rem 0;
}
.topbar__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.topbar__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--c-cream);
}
.topbar__logo .mark {
  width: 26px; height: 26px;
  background: var(--c-terracotta);
  border-radius: 7px;
  display: grid; place-items: center;
}
.topbar__nav { display: flex; gap: 1.4rem; }
.topbar__nav a {
  color: var(--c-cream);
  opacity: 0.75;
  font-size: 0.9rem;
  font-weight: 500;
  transition: opacity 0.2s;
}
.topbar__nav a:hover { opacity: 1; text-decoration: none; }
.topbar__nav a.is-active { opacity: 1; border-bottom: 1px solid var(--c-terracotta); padding-bottom: 2px; }

.topbar__user {
  display: flex; align-items: center; gap: 0.75rem;
  font-size: 0.9rem;
}
.topbar__user-avatar {
  width: 30px; height: 30px;
  background: var(--c-terracotta);
  color: var(--c-cream);
  border-radius: 50%;
  display: grid; place-items: center;
  font-weight: 700;
  font-size: 0.85rem;
  font-family: var(--f-display);
}

.main { flex: 1; padding: 3rem 1.5rem; }
.main__inner { max-width: 1180px; margin: 0 auto; }

/* ============== Card / Form ============== */

.card {
  background: var(--c-cream-warm);
  border-radius: var(--r-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}
.card--narrow { max-width: 460px; margin: 0 auto; }
.card__title { font-size: 1.75rem; margin-bottom: 0.4rem; }
.card__subtitle { color: var(--c-ink-soft); margin-bottom: 1.8rem; font-size: 0.95rem; }

.field { margin-bottom: 1.1rem; }
.field__label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-ink-soft);
  margin-bottom: 0.4rem;
}
.field__input,
.field__textarea {
  width: 100%;
  padding: 0.75rem 0.95rem;
  background: var(--c-cream);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  font: inherit;
  font-size: 0.95rem;
  color: var(--c-ink);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field__input:focus,
.field__textarea:focus {
  outline: none;
  border-color: var(--c-terracotta);
  box-shadow: 0 0 0 3px rgba(196, 90, 58, 0.15);
}
.field__textarea { resize: vertical; min-height: 80px; }
.field__hint { font-size: 0.8rem; color: var(--c-ink-soft); margin-top: 0.3rem; }
.field__error { font-size: 0.85rem; color: var(--c-danger); margin-top: 0.3rem; min-height: 1.2em; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.4rem;
  border-radius: var(--r-pill);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, background 0.2s, border-color 0.2s;
  font-family: var(--f-body);
}
.btn:active { transform: scale(0.97); }
.btn--primary {
  background: var(--c-terracotta);
  color: var(--c-cream);
}
.btn--primary:hover { background: var(--c-terracotta-dark); }
.btn--ghost {
  background: transparent;
  color: var(--c-ink);
  border-color: var(--c-line);
}
.btn--ghost:hover { border-color: var(--c-ink); }
.btn--block { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.form__error {
  background: rgba(178, 58, 44, 0.1);
  color: var(--c-danger);
  padding: 0.7rem 0.95rem;
  border-radius: var(--r-sm);
  font-size: 0.9rem;
  margin-bottom: 1.2rem;
  display: none;
}
.form__error.is-visible { display: block; }

.form__success {
  background: rgba(79, 122, 74, 0.1);
  color: var(--c-success);
  padding: 0.7rem 0.95rem;
  border-radius: var(--r-sm);
  font-size: 0.9rem;
  margin-bottom: 1.2rem;
  display: none;
}
.form__success.is-visible { display: block; }

.divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--c-ink-soft);
  font-size: 0.85rem;
  margin: 1.4rem 0;
}
.divider::before, .divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--c-line);
}

/* ============== Hero (auth pages) ============== */

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  background: var(--c-moss);
  background-image: radial-gradient(60% 60% at 30% 30%, rgba(196, 90, 58, 0.15) 0%, transparent 60%),
                    radial-gradient(50% 50% at 80% 80%, rgba(157, 170, 146, 0.1) 0%, transparent 60%);
}
.auth-page .card {
  background: var(--c-cream);
  width: 100%;
  max-width: 460px;
}
.auth-page__brand {
  text-align: center;
  margin-bottom: 1.5rem;
}
.auth-page__brand .mark {
  width: 44px; height: 44px;
  background: var(--c-terracotta);
  border-radius: 12px;
  display: inline-grid;
  place-items: center;
  color: var(--c-cream);
  font-family: var(--f-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.7rem;
}
.auth-page__brand-name {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--c-cream);
  letter-spacing: -0.02em;
}
.auth-page__brand-tag {
  font-size: 0.85rem;
  color: rgba(245, 239, 227, 0.7);
  margin-top: 0.2rem;
}
.auth-page__link {
  text-align: center;
  margin-top: 1.3rem;
  font-size: 0.9rem;
  color: var(--c-ink-soft);
}

/* ============== Dashboard / Table ============== */

.dash-header { margin-bottom: 2.5rem; }
.dash-header h1 { font-size: 2.2rem; margin-bottom: 0.4rem; }
.dash-header p { color: var(--c-ink-soft); }

.dash-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.stat-card {
  background: var(--c-cream-warm);
  border-radius: var(--r-md);
  padding: 1.5rem;
}
.stat-card__num {
  font-family: var(--f-display);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--c-moss);
  line-height: 1;
  margin-bottom: 0.4rem;
}
.stat-card__label { color: var(--c-ink-soft); font-size: 0.9rem; }

.section { margin-bottom: 2.5rem; }
.section__head {
  display: flex; justify-content: space-between; align-items: end;
  margin-bottom: 1.2rem;
  gap: 1rem;
  flex-wrap: wrap;
}
.section__head h2 { font-size: 1.5rem; }
.section__head p { color: var(--c-ink-soft); font-size: 0.9rem; }

.table {
  width: 100%;
  background: var(--c-cream-warm);
  border-radius: var(--r-md);
  overflow: hidden;
  border-collapse: collapse;
}
.table th, .table td {
  text-align: left;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--c-line-soft);
  font-size: 0.9rem;
}
.table th {
  background: var(--c-sand);
  font-weight: 600;
  color: var(--c-ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.75rem;
}
.table tr:last-child td { border-bottom: 0; }
.table tr:hover td { background: rgba(245, 239, 227, 0.5); }

.badge {
  display: inline-block;
  padding: 0.18rem 0.6rem;
  border-radius: var(--r-pill);
  font-size: 0.75rem;
  font-weight: 600;
}
.badge--pending { background: var(--c-sand); color: var(--c-ink-soft); }
.badge--used { background: var(--c-moss); color: var(--c-cream); }
.badge--expired { background: rgba(178, 58, 44, 0.15); color: var(--c-danger); }
.badge--revoked { background: rgba(31, 26, 20, 0.1); color: var(--c-ink-soft); }

.code {
  font-family: 'JetBrains Mono', 'Menlo', monospace;
  font-size: 0.78rem;
  background: var(--c-sand);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  color: var(--c-ink-soft);
  word-break: break-all;
}

.empty {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--c-ink-soft);
}
.empty h3 { color: var(--c-moss); margin-bottom: 0.5rem; }

.copy-feedback {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--c-success);
  margin-left: 0.5rem;
  opacity: 0;
  transition: opacity 0.2s;
}
.copy-feedback.is-visible { opacity: 1; }

@media (max-width: 640px) {
  .card { padding: 1.7rem; }
  .table { font-size: 0.8rem; }
  .table th, .table td { padding: 0.65rem 0.6rem; }
  .topbar__nav { display: none; }
}

/* ============== Avatar ============== */
.avatar {
  display: inline-block;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--c-sand);
  object-fit: cover;
  overflow: hidden;
  flex-shrink: 0;
  vertical-align: middle;
}
.avatar img,
.avatar svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.avatar--md { width: 64px; height: 64px; }
.avatar--lg { width: 96px; height: 96px; }
.avatar--xl { width: 140px; height: 140px; }

.topbar__user-avatar.avatar { width: 36px; height: 36px; }
.topbar__user-avatar.avatar img { border-radius: 50%; }

/* Avatar Upload Section */
.avatar-upload {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  padding: 1.5rem;
  background: var(--c-cream);
  border-radius: var(--r-md);
  margin-bottom: 1.5rem;
}
.avatar-upload__preview {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--c-sand);
  overflow: hidden;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border: 2px solid var(--c-line);
}
.avatar-upload__preview img,
.avatar-upload__preview svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.avatar-upload__actions { flex: 1; }
.avatar-upload__hint {
  font-size: 0.8rem;
  color: var(--c-ink-soft);
  margin-top: 0.4rem;
}
.avatar-upload__buttons {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}
.avatar-upload input[type="file"] {
  display: none;
}
.avatar-upload__file-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
  background: var(--c-terracotta);
  color: var(--c-cream);
  border-radius: var(--r-pill);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background 0.2s;
}
.avatar-upload__file-label:hover { background: var(--c-terracotta-dark); }

.upload-progress {
  display: none;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--c-ink-soft);
}
.upload-progress.is-visible { display: block; }

@media (max-width: 480px) {
  .avatar-upload { flex-direction: column; text-align: center; }
  .avatar-upload__buttons { justify-content: center; }
}