:root {
  color-scheme: light dark;
  --bg: #f5f6f8;
  --panel: #ffffff;
  --text: #1a1d23;
  --muted: #6b7280;
  --border: #e3e5e9;
  --accent: #2563eb;
  --good: #15803d;
  --good-bg: #e9f7ef;
  --warn: #b45309;
  --warn-bg: #fff2e8;
  --bad: #b91c1c;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181d;
    --panel: #1f2229;
    --text: #eceef1;
    --muted: #9aa1ac;
    --border: #2e323b;
    --good: #4ade80;
    --good-bg: #123521;
    --warn: #fbbf24;
    --warn-bg: #3a2312;
    --bad: #f87171;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

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

header {
  padding: 20px 20px 8px;
  max-width: 560px;
  margin: 0 auto;
}
header h1 { font-size: 1.35rem; margin: 0 0 4px; }
header p { color: var(--muted); margin: 0; font-size: 0.9rem; }

main {
  max-width: 560px;
  margin: 0 auto;
  padding: 16px 20px 40px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
}

.machine-badge {
  display: inline-block;
  background: var(--accent);
  color: white;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

form { display: flex; flex-direction: column; gap: 14px; }

label { display: flex; flex-direction: column; gap: 5px; font-size: 0.85rem; color: var(--muted); }
label span.required::after { content: ' *'; color: var(--bad); }

input, select, textarea {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px;
  font-size: 16px;
  font-family: inherit;
}
textarea { resize: vertical; min-height: 90px; }

.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 420px) {
  .row-2 { grid-template-columns: 1fr; }
}

.hint { color: var(--muted); font-size: 0.8rem; margin: -4px 0 0; }

button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 13px 18px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
}
button:hover { opacity: 0.92; }
button:disabled { opacity: 0.5; cursor: default; }
button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  font-weight: 500;
  font-size: 0.85rem;
  padding: 6px 12px;
}

.error-box {
  background: var(--warn-bg);
  color: var(--warn);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.85rem;
}

.success-state { text-align: center; padding: 20px 0; }
.success-state .icon {
  width: 56px; height: 56px; margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--good-bg);
  display: flex; align-items: center; justify-content: center;
  color: var(--good);
}
.success-state h2 { margin: 0 0 8px; }
.success-state p { color: var(--muted); margin: 0; }

/* Admin */

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 500; }
.table-scroll { overflow-x: auto; }

.status-pill {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
}
.status-pill.open { background: var(--warn-bg); color: var(--warn); }
.status-pill.resolved { background: var(--good-bg); color: var(--good); }

.admin-filters { display: flex; gap: 8px; margin-bottom: 14px; }
.admin-filters button.active { background: var(--accent); color: white; }

.empty { color: var(--muted); padding: 16px 0; text-align: center; }