:root {
  --color-bg: #0f172a;
  --color-surface: #1e293b;
  --color-text: #e2e8f0;
  --color-muted: #94a3b8;
  --color-accent: #38bdf8;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --radius: 10px;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  overflow-x: hidden;
}

.site-header,
.site-footer {
  padding: var(--space-md) var(--space-lg);
}

.site-header {
  border-bottom: 1px solid var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.brand {
  color: var(--color-accent);
  font-weight: 700;
  text-decoration: none;
  font-size: 1.1rem;
}

.container {
  max-width: 52rem;
  margin: 0 auto;
  padding: var(--space-lg);
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.site-nav a,
.site-nav button {
  color: var(--color-accent);
  background: transparent;
  border: 0;
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}

.site-nav a:focus,
.site-nav button:focus,
.site-nav a:hover,
.site-nav button:hover {
  text-decoration: underline;
}

.auth-card {
  max-width: 28rem;
  margin: 3rem auto;
  padding: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius);
}

.auth-form {
  display: grid;
  gap: var(--space-sm);
}

.auth-form input,
.auth-form button {
  min-height: 2.75rem;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-muted);
  border-radius: var(--radius);
  font: inherit;
}

.auth-form button {
  margin-top: var(--space-sm);
  color: var(--color-bg);
  background: var(--color-accent);
  border-color: var(--color-accent);
  cursor: pointer;
}

.form-errors,
.auth-form .errorlist {
  color: #fbbf24;
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-sm);
}

.paste-placeholder {
  padding: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius);
}

.hero h1 {
  margin-top: 0;
  font-size: 2.25rem;
}

.lede {
  font-size: 1.15rem;
  color: var(--color-text);
}

.status-note {
  color: var(--color-muted);
}

.probe-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.probe-list a {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
  border-radius: var(--radius);
  color: var(--color-accent);
  text-decoration: none;
}

.probe-list a:hover,
.probe-list a:focus {
  outline: 2px solid var(--color-accent);
}

.site-footer {
  color: var(--color-muted);
  border-top: 1px solid var(--color-surface);
  font-size: 0.9rem;
}

.error-page {
  text-align: center;
  padding: var(--space-lg) 0;
}

.error-page .code {
  font-size: 3rem;
  color: var(--color-accent);
  margin-bottom: 0;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.composer h1 {
  margin-top: 0;
}

.dropzone {
  margin: var(--space-lg) 0;
  padding: var(--space-lg);
  min-height: 12rem;
  background: var(--color-surface);
  border: 2px dashed var(--color-muted);
  border-radius: var(--radius);
  text-align: center;
}

.dropzone.is-dragover {
  border-color: var(--color-accent);
}

.dropzone h2 {
  margin-top: 0;
}

.file-picker {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.file-picker input[type="file"] {
  max-width: 100%;
}

.feedback {
  min-height: 1.5rem;
  color: #fbbf24;
}

.preview-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: var(--space-md);
}

.preview-item {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: var(--space-md);
  align-items: center;
  background: var(--color-surface);
  padding: var(--space-sm);
  border-radius: var(--radius);
}

.preview-item img {
  object-fit: cover;
  border-radius: 6px;
  background: #0b1220;
}

.preview-name {
  margin: 0;
  word-break: break-all;
}

.preview-size {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.preview-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.preview-actions button,
.composer-form button,
.copy-row button,
.copy-actions button {
  min-height: 2.5rem;
  padding: 0.35rem 0.75rem;
  font: inherit;
  color: var(--color-bg);
  background: var(--color-accent);
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
}

.preview-actions button:disabled,
.composer-form button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.totals {
  color: var(--color-muted);
}

.composer-form {
  display: grid;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

.composer-form input,
.composer-form textarea,
.composer-form select,
.result-panel input,
.result-panel textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-muted);
  border-radius: var(--radius);
  font: inherit;
  background: #0b1220;
  color: var(--color-text);
}

.optional {
  color: var(--color-muted);
  font-weight: 400;
}

.expiry-fieldset {
  border: 1px solid var(--color-surface);
  border-radius: var(--radius);
  padding: var(--space-md);
}

.expiry-exact {
  margin: var(--space-sm) 0 0;
  color: var(--color-muted);
}

.progress-panel progress {
  width: 100%;
}

.result-panel {
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius);
}

.copy-row,
.copy-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.copy-row input {
  flex: 1 1 12rem;
}

@media (max-width: 640px) {
  .preview-item {
    grid-template-columns: 72px 1fr;
  }

  .preview-actions {
    grid-column: 1 / -1;
  }
}

.public-paste h1 {
  margin-top: 0;
  overflow-wrap: anywhere;
}

.public-instructions {
  white-space: normal;
  overflow-wrap: anywhere;
}

.public-meta {
  color: var(--color-muted);
}

.public-warning {
  padding: var(--space-md);
  background: var(--color-surface);
  border-left: 4px solid #fbbf24;
  border-radius: var(--radius);
}

.public-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-lg);
}

.public-links a {
  color: var(--color-accent);
}

.public-gallery {
  display: grid;
  gap: var(--space-lg);
  padding-left: 1.25rem;
}

.public-gallery li {
  background: var(--color-surface);
  padding: var(--space-md);
  border-radius: var(--radius);
}

.public-gallery a {
  color: var(--color-accent);
  word-break: break-all;
}

.public-gallery img {
  display: block;
  max-width: 100%;
  height: auto;
  margin-top: var(--space-sm);
  border-radius: 6px;
  background: #0b1220;
}

.public-gone h1 {
  overflow-wrap: anywhere;
}

.messages {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-md);
}

.messages li {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.messages .error,
.messages .warning {
  border-left: 4px solid #fbbf24;
}

.messages .success {
  border-left: 4px solid var(--color-accent);
}

.history-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: end;
  margin: var(--space-lg) 0;
}

.history-filters label {
  display: grid;
  gap: 0.25rem;
}

.history-filters input,
.history-filters select,
.history-filters button,
.extend-form select,
.extend-form button,
.lifecycle-actions button {
  min-height: 2.5rem;
  padding: 0.35rem 0.75rem;
  font: inherit;
  border-radius: var(--radius);
}

.history-filters input,
.history-filters select,
.extend-form select {
  border: 1px solid var(--color-muted);
  background: #0b1220;
  color: var(--color-text);
}

.history-filters button,
.extend-form button,
.lifecycle-actions button,
.actions-inline button {
  color: var(--color-bg);
  background: var(--color-accent);
  border: 0;
  cursor: pointer;
}

.actions-inline button.warning,
.lifecycle-actions button.warning {
  background: #fbbf24;
}

.actions-inline button.danger,
.lifecycle-actions button.danger {
  background: #f87171;
}

.history-table-wrap {
  overflow-x: auto;
}

.history-table {
  width: 100%;
  border-collapse: collapse;
}

.history-table th,
.history-table td {
  text-align: left;
  padding: var(--space-sm);
  border-bottom: 1px solid var(--color-surface);
  vertical-align: top;
}

.history-table a,
.paste-detail a {
  color: var(--color-accent);
}

.actions-inline {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

.actions-inline form {
  margin: 0;
}

.lifecycle-actions {
  display: grid;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.extend-form {
  display: grid;
  gap: var(--space-sm);
  max-width: 28rem;
}

.detail-thumbs {
  display: grid;
  gap: var(--space-md);
  padding-left: 1.25rem;
}

.detail-thumbs img {
  display: block;
  max-width: 12rem;
  height: auto;
  margin-top: var(--space-sm);
  border-radius: 6px;
  background: #0b1220;
}

@media (max-width: 640px) {
  .public-links ul {
    flex-direction: column;
  }

  .container {
    padding: var(--space-md);
  }

  .history-table {
    font-size: 0.9rem;
  }
}