:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --surface-2: #273449;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --primary: #38bdf8;
  --primary-ink: #082f49;
  --danger: #f87171;
  --ok: #34d399;
  --warn: #fbbf24;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

button,
input,
select,
textarea {
  font: inherit;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
}

button {
  cursor: pointer;
}

button:hover {
  border-color: var(--primary);
}

button.primary {
  background: var(--primary);
  color: var(--primary-ink);
  border-color: var(--primary);
  font-weight: 600;
}

button.danger {
  color: var(--danger);
  border-color: #7f1d1d;
}

button.ghost {
  background: transparent;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.topbar h1 {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.3px;
}

.topbar .user {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 14px;
}

main {
  padding: 20px;
  max-width: 1400px;
  margin: 0 auto;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.toolbar input[type="search"] {
  flex: 1;
  min-width: 220px;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 13px;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

th,
td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

tbody tr {
  cursor: pointer;
}

tbody tr:hover {
  background: var(--surface-2);
}

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

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid var(--border);
}

.badge.P1 {
  color: #fecaca;
  border-color: #7f1d1d;
  background: #450a0a;
}
.badge.P2 {
  color: #fde68a;
  border-color: #78350f;
  background: #451a03;
}
.badge.P3 {
  color: #bae6fd;
  border-color: #0c4a6e;
  background: #082f49;
}
.badge.NEW {
  color: #cbd5e1;
}
.badge.ASSIGNED {
  color: var(--warn);
}
.badge.IN_PROGRESS {
  color: var(--primary);
}
.badge.RESOLVED {
  color: var(--ok);
}
.badge.CLOSED {
  color: var(--muted);
}
.badge.CANCELLED {
  color: var(--danger);
}

.overdue {
  color: var(--danger);
  font-weight: 600;
}

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

.empty {
  padding: 24px;
  text-align: center;
  color: var(--muted);
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.75);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  overflow-y: auto;
  z-index: 50;
}

.modal.hidden {
  display: none;
}

.modal-card {
  position: relative;
  width: 100%;
  max-width: 760px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 2px 10px;
  font-size: 20px;
  line-height: 1.4;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.form-grid .full {
  grid-column: 1 / -1;
}

label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
}

label input,
label select,
label textarea {
  width: 100%;
}

textarea {
  min-height: 70px;
  resize: vertical;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.section-title {
  margin: 18px 0 8px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
}

.kv {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 6px 12px;
  font-size: 14px;
}

.kv .k {
  color: var(--muted);
}

.timeline {
  border-left: 2px solid var(--border);
  margin-left: 6px;
  padding-left: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.event {
  font-size: 13px;
}

.event .when {
  color: var(--muted);
  font-size: 11px;
}

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.login-card h1 {
  margin: 0 0 4px;
  font-size: 20px;
}

.login-card p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 13px;
}

.login-card .field {
  margin-bottom: 12px;
}

.error {
  color: var(--danger);
  font-size: 13px;
  margin-top: 10px;
  min-height: 18px;
}

@media (max-width: 720px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .kv {
    grid-template-columns: 1fr;
  }
  th:nth-child(5),
  td:nth-child(5) {
    display: none;
  }
}