:root {
    --bg: #f5f7fb;
    --card: #ffffff;
    --text: #172033;
    --muted: #667085;
    --border: #d9e0ec;
    --primary: #1f5eff;
    --primary-dark: #1647c7;
    --danger: #b42318;
    --danger-bg: #fff1f0;
    --success: #067647;
    --success-bg: #ecfdf3;
    --info-bg: #eff8ff;
    --shadow: 0 18px 40px rgba(23, 32, 51, 0.08);
}

* {
    box-sizing: border-box;
}

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

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.topbar {
    align-items: center;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 24px;
    justify-content: space-between;
    padding: 22px 32px;
}

.topbar h1,
.card h2,
.auth-card h1 {
    margin: 0;
}

.topbar p,
.card p,
.auth-card p,
small,
.small {
    color: var(--muted);
}

.topbar nav {
    align-items: center;
    display: flex;
    gap: 14px;
}

.container {
    margin: 0 auto;
    max-width: 1500px;
    padding: 32px;
}

.card,
.auth-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.card {
    overflow: hidden;
}

.card-header {
    align-items: center;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    padding: 22px 24px;
}

.table-wrap {
    overflow-x: auto;
}

table {
    border-collapse: collapse;
    min-width: 1180px;
    width: 100%;
}

th,
td {
    border-bottom: 1px solid var(--border);
    padding: 16px;
    text-align: left;
    vertical-align: top;
}

th {
    background: #fbfcff;
    color: #475467;
    font-size: 12px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

td small {
    display: block;
    margin-top: 6px;
}

code {
    background: #eef2ff;
    border-radius: 6px;
    color: #253a8a;
    display: inline-block;
    padding: 4px 7px;
}

.badge {
    background: #eef2f6;
    border-radius: 999px;
    color: #344054;
    display: inline-block;
    font-size: 12px;
    margin-top: 8px;
    padding: 4px 9px;
    text-transform: capitalize;
}

.missing {
    color: var(--danger);
}

.button,
button {
    border: 0;
    border-radius: 10px;
    cursor: pointer;
    display: inline-flex;
    font-size: 14px;
    font-weight: 700;
    justify-content: center;
    padding: 10px 14px;
}

.button:hover {
    text-decoration: none;
}

.button.primary {
    background: var(--primary);
    color: #ffffff;
}

.button.primary:hover {
    background: var(--primary-dark);
}

.button.secondary {
    background: #eef2f6;
    color: #344054;
}

.button:disabled,
button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.button.full {
    width: 100%;
}

.link-button {
    background: transparent;
    color: var(--primary);
    padding: 4px 0 0;
}

.tracking-form {
    display: grid;
    gap: 10px;
    min-width: 245px;
}

label {
    display: grid;
    gap: 5px;
}

label span {
    color: #344054;
    font-size: 12px;
    font-weight: 700;
}

input,
select,
textarea {
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font: inherit;
    padding: 10px 11px;
    width: 100%;
}

textarea {
    resize: vertical;
}

.alert {
    border-radius: 12px;
    margin-bottom: 18px;
    padding: 14px 16px;
}

.alert.danger {
    background: var(--danger-bg);
    color: var(--danger);
}

.alert.success {
    background: var(--success-bg);
    color: var(--success);
}

.alert.info {
    background: var(--info-bg);
    color: #175cd3;
}

.auth-page {
    align-items: center;
    display: flex;
    min-height: 100vh;
    padding: 24px;
}

.auth-card {
    margin: 0 auto;
    max-width: 440px;
    padding: 28px;
    width: 100%;
}

.auth-card form {
    display: grid;
    gap: 16px;
    margin-top: 22px;
}

@media (max-width: 760px) {
    .topbar,
    .card-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .container {
        padding: 18px;
    }
}