:root {
  --navy: #081f34;
  --blue: #146fb3;
  --cyan: #27c7d9;
  --ice: #eefaff;
  --white: #ffffff;
  --text: #17212b;
  --muted: #607080;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(135deg, var(--ice), #ffffff);
  color: var(--text);
}

.brand-header {
  background: linear-gradient(135deg, var(--navy), #0d3557);
  color: var(--white);
  padding: 18px 30px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 3px 16px rgba(0,0,0,0.18);
}

.brand-header img {
  height: 56px;
  width: auto;
}

.brand-title {
  font-size: 25px;
  font-weight: 800;
  letter-spacing: 0.3px;
}

.brand-subtitle {
  color: #bff4fa;
  font-size: 14px;
}

.container, main {
  max-width: 1100px;
  margin: 32px auto;
  padding: 0 20px;
}

.card, section, form {
  background: var(--white);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 8px 24px rgba(8,31,52,0.10);
  border-top: 5px solid var(--cyan);
  margin-bottom: 22px;
}

h1, h2, h3 {
  color: var(--navy);
}

a {
  color: var(--blue);
}

button, .btn, input[type="submit"] {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: var(--white);
  border: none;
  border-radius: 10px;
  padding: 11px 18px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

button:hover, .btn:hover, input[type="submit"]:hover {
  opacity: 0.92;
}

input, select, textarea {
  width: 100%;
  padding: 11px;
  margin: 6px 0 14px;
  border: 1px solid #ccd8e0;
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
}

th {
  background: var(--navy);
  color: var(--white);
  text-align: left;
}

th, td {
  padding: 12px;
  border-bottom: 1px solid #e4edf2;
}

.notice, .badge {
  background: #e9fafe;
  color: var(--blue);
  padding: 6px 11px;
  border-radius: 999px;
  font-weight: 700;
}