:root {
  --bg: #e8eef3;
  --panel: #ffffff;
  --ink: #1a2332;
  --muted: #5c6b7a;
  --line: #c5d0db;
  --accent: #0b5f4b;
  --accent-2: #c45c26;
  --danger: #9b1c1c;
  --shadow: 0 10px 30px rgba(26, 35, 50, 0.08);
  --radius: 10px;
  --font: "Segoe UI", "Candara", "Trebuchet MS", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, #d7e7df 0%, transparent 40%),
    radial-gradient(circle at 90% 10%, #f3e2d4 0%, transparent 35%),
    linear-gradient(180deg, #f4f7fa 0%, var(--bg) 100%);
  min-height: 100vh;
}

.wrap {
  width: min(1100px, calc(100% - 2rem));
  margin: 1.5rem auto 3rem;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1.25rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  letter-spacing: -0.02em;
}

.hero p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-weight: 600;
}

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

.panel h2 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.6rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1rem;
}

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

label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.3rem;
  font-weight: 600;
}

input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  font: inherit;
  color: var(--ink);
  background: #fbfcfd;
}

input:focus, textarea:focus, select:focus {
  outline: 2px solid rgba(11, 95, 75, 0.25);
  border-color: var(--accent);
  background: #fff;
}

textarea { min-height: 90px; resize: vertical; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.btn {
  appearance: none;
  border: 0;
  border-radius: 8px;
  padding: 0.65rem 1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-secondary { background: #243447; color: #fff; }
.btn-ghost { background: #eef2f6; color: var(--ink); }
.btn-danger { background: var(--danger); color: #fff; }

.alert {
  padding: 0.8rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  border: 1px solid;
}

.alert-ok {
  background: #e8f6ef;
  border-color: #9ed0b8;
  color: #145c40;
}

.alert-err {
  background: #fdecec;
  border-color: #f0b4b4;
  color: #7a1d1d;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th, td {
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

th {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.table-actions { display: flex; gap: 0.4rem; flex-wrap: wrap; }

.billetage-table input { padding: 0.4rem 0.5rem; }

.hint {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.4rem;
}

@media (max-width: 800px) {
  .grid { grid-template-columns: 1fr; }
  .hero { flex-direction: column; align-items: start; }
}