:root {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color-scheme: dark;

  --bg: #0b0e14;
  --bg-alt: #11161f;
  --panel: #161c28;
  --panel-border: #2a3344;
  --card-bg: #1c2330;
  --card-border: #313c50;
  --text: #d6dce6;
  --text-muted: #8a93a6;
  --accent: #e8c14c;
  --accent-dim: #a98f3c;
  --link: #6cc7ff;

  --ok: #4caf50;
  --warning: #e8c14c;
  --critical: #e0524d;
  --progress: #6cc7ff;
  --done: #8a93a6;
}

* {
  box-sizing: border-box;
}

html, body {
  background: var(--bg);
  color: var(--text);
}

body {
  margin: 0;
  line-height: 1.5;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3 {
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.02em;
}

h1 {
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.site-header {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--panel-border);
  padding: 0.75rem 1.5rem;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  width: 100%;
  margin: 0 auto;
}

.site-header nav a {
  color: var(--text);
}

.site-header nav a:hover {
  color: var(--accent);
  text-decoration: none;
}

.site-header .brand {
  font-weight: bold;
  font-size: 1.1rem;
  margin-right: auto;
  color: var(--accent);
  letter-spacing: 0.03em;
}

.site-header .brand:hover {
  color: var(--accent);
}

.current-user {
  color: var(--text-muted);
}

.content {
  padding: 1.5rem 2rem;
  width: 100%;
  margin: 0 auto;
}

/* Kanban board */

.kanban-board {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  align-items: start;
}

.infra-board {
  grid-template-columns: repeat(4, 1fr);
}

.kanban-column {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 0.5rem;
  padding: 0.5rem;
  min-height: 4rem;
}

.kanban-column h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0.25rem 0.5rem 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--panel-border);
  color: var(--text-muted);
}

.kanban-column:nth-child(1) h2 { color: var(--ok); border-color: var(--ok); }
.kanban-column:nth-child(2) h2 { color: var(--warning); border-color: var(--warning); }
.kanban-column:nth-child(3) h2 { color: var(--critical); border-color: var(--critical); }
.kanban-column:nth-child(4) h2 { color: var(--progress); border-color: var(--progress); }
.kanban-column:nth-child(5) h2 { color: var(--done); border-color: var(--done); }

.kanban-cards {
  min-height: 3rem;
}

.kanban-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 0.375rem;
  padding: 0.5rem 0.75rem;
  margin: 0.5rem;
  cursor: grab;
  color: var(--text);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.kanban-card.sortable-ghost {
  opacity: 0.4;
}

.kanban-card-title {
  font-weight: bold;
  color: var(--text);
}

.kanban-card-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.kanban-card-fuel {
  margin-top: 0.25rem;
  font-size: 0.85rem;
  color: var(--text);
}

.kanban-card-fuel.unknown {
  color: var(--text-muted);
  font-style: italic;
}

.kanban-empty {
  margin: 0.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.kanban-card-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.kanban-card-actions button {
  font-size: 0.8rem;
}

/* Modals */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-overlay.hidden {
  display: none;
}

.modal {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 0.5rem;
  padding: 1.5rem;
  min-width: 20rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.modal h2 {
  margin-top: 0;
}

.modal label {
  font-weight: bold;
  margin-top: 0.5rem;
  color: var(--text);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1rem;
}

.modal textarea,
.modal select,
.modal input[type="text"],
.modal input[type="number"] {
  width: 100%;
}

/* Forms & buttons */

input, select, textarea, button {
  font-family: inherit;
  font-size: 0.9rem;
}

input[type="text"],
input[type="number"],
input[type="email"],
select,
textarea {
  background: var(--bg-alt);
  color: var(--text);
  border: 1px solid var(--card-border);
  border-radius: 0.25rem;
  padding: 0.35rem 0.5rem;
}

input:focus, select:focus, textarea:focus {
  outline: 1px solid var(--accent);
  border-color: var(--accent);
}

button,
input[type="submit"] {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--card-border);
  border-radius: 0.25rem;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
}

button:hover,
input[type="submit"]:hover {
  border-color: var(--accent);
  color: var(--accent);
}

button[type="submit"] {
  background: var(--accent-dim);
  color: #1a1408;
  border-color: var(--accent-dim);
  font-weight: 600;
}

button[type="submit"]:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #1a1408;
}

/* Tables */

.admin-table,
.log-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 0.5rem;
  overflow: hidden;
}

.admin-table th,
.admin-table td,
.log-table th,
.log-table td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--panel-border);
}

.admin-table th,
.log-table th {
  background: var(--bg-alt);
  color: var(--accent);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.admin-table tbody tr:hover,
.log-table tbody tr:hover {
  background: var(--bg-alt);
}

.admin-table tbody tr:last-child td,
.log-table tbody tr:last-child td {
  border-bottom: none;
}

/* Misc */

.error {
  background: rgba(224, 82, 77, 0.15);
  border: 1px solid var(--critical);
  color: var(--critical);
  border-radius: 0.375rem;
  padding: 0.5rem 0.75rem;
}