:root {
  --paper: #f6f5f2;
  --surface: #ffffff;
  --ink: #1f2024;
  --muted: #7a776f;
  --line: #d9d5cd;
  --line-strong: #b9b3a8;
  --brass: #8c6f3f;
  --danger: #8a3a2e;
  --ok: #3c6146;
  --grid: rgba(31, 32, 36, 0.055);
  --radius: 2px;
  --sans: 'Instrument Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --step-0: 1rem;
  --step-1: 1.25rem;
  --step-2: 1.75rem;
  --step-3: 2.5rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.55;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: -1px -1px;
}

a {
  color: inherit;
}

button {
  font: inherit;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
}

.sheet {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.sheet-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem clamp(1rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--line);
  background: rgba(246, 245, 242, 0.85);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.wordmark {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.wordmark span {
  color: var(--muted);
}

.ghost-link {
  font-size: 0.8rem;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.3rem 0.7rem;
  background: var(--surface);
  transition: border-color 0.15s ease, color 0.15s ease;
}

.ghost-link:hover {
  color: var(--ink);
  border-color: var(--line-strong);
}

.sheet-body {
  flex: 1;
  display: flex;
  justify-content: center;
  padding: clamp(2rem, 8vh, 5rem) clamp(1rem, 4vw, 2.5rem) 3rem;
}

.sheet-foot {
  padding: 1rem clamp(1rem, 4vw, 2.5rem) 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Öffentliche Seite */

.panel {
  width: 100%;
  max-width: 34rem;
}

.panel[hidden] {
  display: none;
}

h1 {
  font-size: var(--step-3);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 0.6rem;
}

.lede {
  margin: 0 0 2.5rem;
  color: var(--muted);
  max-width: 44ch;
}

.field {
  display: block;
  margin-bottom: 1.5rem;
}

.field-label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

#code-input {
  width: 100%;
  font-family: var(--mono);
  font-size: clamp(1.5rem, 6vw, 2.1rem);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-align: center;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: var(--radius);
  padding: 1rem 0.75rem;
  transition: border-color 0.18s ease;
}

#code-input::placeholder {
  color: #c9c4ba;
  letter-spacing: 0.18em;
}

#code-input:focus {
  border-color: var(--brass);
  outline: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  padding: 0.75rem 1.4rem;
  font-size: 0.95rem;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn:hover {
  background: #33353b;
  border-color: #33353b;
}

.btn:disabled {
  opacity: 0.5;
  cursor: progress;
}

.btn-wide {
  width: 100%;
}

.btn-quiet {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn-quiet:hover {
  background: #efece6;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn-small {
  padding: 0.4rem 0.8rem;
  font-size: 0.82rem;
}

.btn-danger {
  background: var(--surface);
  color: var(--danger);
  border-color: #d8c3bd;
}

.btn-danger:hover {
  background: #f6ece9;
  color: var(--danger);
  border-color: #c9a79f;
}

.message {
  margin: 0 0 1.25rem;
  padding: 0.7rem 0.9rem;
  border-left: 2px solid var(--danger);
  background: #f7eeeb;
  color: var(--danger);
  font-size: 0.9rem;
}

.message[hidden] {
  display: none;
}

.message.is-ok {
  border-left-color: var(--ok);
  background: #eef3ef;
  color: var(--ok);
}

.file-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  border-top: 1px solid var(--line);
}

.file-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.file-name {
  overflow-wrap: anywhere;
}

.file-meta {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
}

.summary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.5rem;
  margin: 0 0 2rem;
  padding: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.summary div {
  display: flex;
  gap: 0.4rem;
}

.summary dd {
  margin: 0;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.fade-in {
  animation: rise 0.35s ease-out both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .fade-in {
    animation: none;
  }
  * {
    transition-duration: 0.01ms !important;
  }
}

/* Adminbereich */

.admin-body {
  display: grid;
  grid-template-columns: minmax(16rem, 22rem) 1fr;
  gap: 0;
  flex: 1;
  align-items: stretch;
}

.admin-aside {
  border-right: 1px solid var(--line);
  padding: 1.25rem clamp(1rem, 2vw, 1.5rem);
  overflow-y: auto;
}

.admin-main {
  padding: 1.25rem clamp(1rem, 3vw, 2rem) 3rem;
  overflow-y: auto;
}

.section-title {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0 0 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.code-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.code-card {
  width: 100%;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.7rem 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  transition: border-color 0.15s ease;
}

.code-card:hover {
  border-color: var(--line-strong);
}

.code-card.is-active {
  border-color: var(--brass);
  box-shadow: inset 2px 0 0 var(--brass);
}

.code-card .code-value {
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
}

.code-card .code-label {
  font-size: 0.82rem;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.status {
  font-size: 0.72rem;
  font-family: var(--mono);
  color: var(--muted);
}

.status.is-ok {
  color: var(--ok);
}

.status.is-blocked {
  color: var(--danger);
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.card h2 {
  font-size: var(--step-1);
  font-weight: 500;
  margin: 0 0 1rem;
}

.card h3 {
  font-size: 0.95rem;
  font-weight: 500;
  margin: 1.5rem 0 0.6rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 0.9rem;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.form-grid input,
.form-grid textarea {
  font: inherit;
  font-size: 0.9rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.5rem 0.6rem;
}

.form-grid input:focus,
.form-grid textarea:focus {
  border-color: var(--brass);
  outline: none;
}

.form-grid .span-all {
  grid-column: 1 / -1;
}

.hint {
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0.4rem 0 0;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.table th {
  text-align: left;
  font-weight: 500;
  color: var(--muted);
  font-size: 0.78rem;
  border-bottom: 1px solid var(--line);
  padding: 0.4rem 0.5rem 0.4rem 0;
}

.table td {
  border-bottom: 1px solid var(--line);
  padding: 0.5rem 0.5rem 0.5rem 0;
  vertical-align: top;
  overflow-wrap: anywhere;
}

.table td.num,
.table th.num {
  font-family: var(--mono);
  font-size: 0.78rem;
  white-space: nowrap;
}

.toolbar {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 1rem;
}

.dropzone {
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.88rem;
  background: var(--paper);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.dropzone.is-over {
  border-color: var(--brass);
  background: #f2ece1;
  color: var(--ink);
}

.progress {
  height: 2px;
  background: var(--line);
  margin-top: 0.75rem;
  overflow: hidden;
}

.progress span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--brass);
  transition: width 0.2s ease;
}

.empty {
  color: var(--muted);
  font-size: 0.9rem;
}

.login-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.login-card {
  width: min(22rem, 100%);
}

.login-card input {
  width: 100%;
  font: inherit;
  padding: 0.65rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  margin-bottom: 0.9rem;
}

@media (max-width: 860px) {
  .admin-body {
    grid-template-columns: 1fr;
  }
  .admin-aside {
    border-right: none;
    border-bottom: 1px solid var(--line);
    max-height: 40vh;
  }
}

[hidden] {
  display: none !important;
}