:root {
  --navy: #0f1f3d;
  --accent: #2f6fed;
  --accent-dark: #1d4fc4;
  --bg: #f4f6fb;
  --card-bg: #ffffff;
  --border: #e2e6ee;
  --text: #1c2438;
  --muted: #6b7385;
  --urgent: #ffe3e3;
  --urgent-text: #b3261e;
  --soon: #fff4d6;
  --soon-text: #8a6100;
}

* { box-sizing: border-box; }

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

header {
  background: var(--navy);
  color: white;
  padding: 20px 32px;
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
header h1 { margin: 0; font-size: 1.4rem; font-weight: 600; }

main {
  max-width: 1100px;
  margin: 28px auto;
  padding: 0 24px;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 24px;
}

.btn {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-secondary { background: #e9ecf5; color: var(--text); }
.btn-secondary:hover { background: #dde1ee; }

.summary-cards {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  align-items: center;
}
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  min-width: 160px;
}
.card-label { font-size: 0.8rem; color: var(--muted); }
.card-value { font-size: 1.6rem; font-weight: 700; margin-top: 4px; }

.sub-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.sub-table th, .sub-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.sub-table th {
  background: #f0f2f8;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted);
}
.row-urgent { background: var(--urgent); }
.row-urgent td:nth-child(7) { color: var(--urgent-text); font-weight: 700; }
.row-soon { background: var(--soon); }
.row-soon td:nth-child(7) { color: var(--soon-text); font-weight: 700; }

.actions a, .link-btn {
  margin-right: 10px;
  font-size: 0.85rem;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  text-decoration: none;
}
.link-danger { color: #c0392b; }
.empty { text-align: center; color: var(--muted); padding: 32px; }

.sub-form {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.sub-form label {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  gap: 6px;
}
.sub-form input, .sub-form select, .sub-form textarea {
  font-size: 0.95rem;
  padding: 9px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-family: inherit;
  color: var(--text);
}
.form-row { display: flex; gap: 12px; }
.form-row label { flex: 1; }
.form-actions { display: flex; gap: 10px; margin-top: 6px; }

.flash-container { margin-bottom: 20px; }
.flash {
  padding: 10px 16px;
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 0.9rem;
}
.flash-success { background: #e3f7e9; color: #1c7a3e; }
.flash-info { background: #e6effe; color: #1d4fc4; }