* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #0f1a17;
    color: #e8f1ed;
}

a {
    color: #9ad3b7;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.page {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    padding: 24px 0 18px 0;
    border-bottom: 1px solid #274238;
    margin-bottom: 28px;
}

.brand-kicker {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: #9ad3b7;
    margin-bottom: 8px;
}

.brand-title {
    margin: 0 0 8px 0;
    font-size: 32px;
    line-height: 1.1;
}

.brand-subtitle {
    margin: 0;
    color: #b7c9c1;
    max-width: 700px;
}

.site-nav {
    display: flex;
    gap: 16px;
    padding-top: 8px;
}

.main-content {
    padding-bottom: 40px;
}

.card {
    background: #172420;
    border: 1px solid #274238;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}

.button,
button,
input[type="submit"] {
    background: #2b6f58;
    color: #fff;
    border: 0;
    border-radius: 8px;
    padding: 10px 16px;
    cursor: pointer;
    font-size: 14px;
}

.button:hover,
button:hover,
input[type="submit"]:hover {
    background: #35856a;
}

input[type="file"],
input[type="text"],
select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid #35584b;
    background: #0f1a17;
    color: #e8f1ed;
    margin-top: 8px;
    margin-bottom: 16px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
    background: #172420;
    border: 1px solid #274238;
}

th,
td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid #274238;
    vertical-align: top;
}

th {
    color: #9ad3b7;
    font-weight: 600;
}

.notice {
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.notice-warning {
    background: #5c4b18;
    color: #fff0bf;
    border: 1px solid #8f7422;
}

.notice-error {
    background: #512222;
    color: #ffd3d3;
    border: 1px solid #8a3c3c;
}

.notice-success {
    background: #1f4d3c;
    color: #d6fff0;
    border: 1px solid #2f7a60;
}

.site-footer {
    border-top: 1px solid #274238;
    padding-top: 18px;
    color: #9fb2aa;
    font-size: 14px;
}