* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.6;
  background: #0b0f19;
  color: #e9eef8;
}

html,
body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

.container {
  max-width: 960px;
  padding: 0 16px;
  margin: 0 auto;
}
.section {
  padding: 32px 0;
}

h1,
h2,
h3 {
  margin: 0 0 12px;
  line-height: 1.2;
}
h1 {
  font-size: 2rem;
  text-align: center;
}
h2 {
  font-size: 1.5rem;
  margin-top: 16px;
  text-align: center;
}
h3 {
  font-size: 1.25rem;
  margin-top: 12px;
}
p {
  margin: 0 0 16px;
}
small {
  color: #a8b3cf;
}
hr {
  border: 0;
  border-top: 1px solid #1e2536;
  margin: 24px 0;
}

a {
  color: #8ab4ff;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.about {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
}

header {
  background: #0f1422;
  border-bottom: 1px solid #1e2536;
}

.logo {
  text-align: left;
}

.navbar {
  display: flex;
  justify-content: center;
}

.navbar ul {
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
}

.navbar li {
  flex: 1;
  text-align: center;
  font-size: 17pt;
  font-weight: bold;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}

.navbar a {
  display: block;
  padding: 12px 15px;
  color: #e9eef8;
  text-decoration: none;
  border-radius: 6px;
}

.navbar a:hover {
  background: #151b2b;
}

.navbar a.active {
  background: #27406d;
}

.card {
  border: 1px solid #1e2536;
  background: #0f1422;
  border-radius: 10px;
  padding: 16px;
}

.btn {
  display: inline-block;
  padding: 10px 14px;
  border: 1px solid #27406d;
  background: #1a2340;
  color: #e9eef8;
  border-radius: 8px;
  cursor: pointer;
}
.btn:hover {
  background: #213056;
}
.btn:active {
  background: #1b2849;
}
.btn-primary {
  background: #27406d;
  border-color: #27406d;
}

ul {
  margin: 8px 0 16px 20px;
  padding: 0;
}
li {
  margin: 6px 0;
}

.row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.col {
  flex: 1 1 280px;
}

label {
  font-weight: 600;
  display: block;
  margin: 8px 0 4px;
}
input,
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #1e2536;
  border-radius: 8px;
  background: #0f1422;
  color: #e9eef8;
}
textarea {
  min-height: 140px;
  resize: vertical;
}
input:focus,
textarea:focus {
  outline: none;
  border-color: #3b5ea3;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 12px 0;
}
th,
td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid #1e2536;
}
thead th {
  background: #0f1422;
}

footer {
  border-top: 1px solid #1e2536;
  color: #a8b3cf;
  background: #0f1422;
  padding: 14px 0;
  font-size: 0.9rem;
  text-align: center;
}

.center {
  margin-left: auto;
  margin-right: auto;
}
.text-mute {
  color: #a8b3cf;
}
.round {
  border-radius: 10px;
}
.mt-0 {
  margin-top: 0;
}
.mb-0 {
  margin-bottom: 0;
}
.mt-1 {
  margin-top: 8px;
}
.mb-1 {
  margin-bottom: 8px;
}
.mt-2 {
  margin-top: 16px;
}
.mb-2 {
  margin-bottom: 16px;
}