:root {
    --bg: #f4f7fb;
    --panel: #ffffff;
    --text: #122033;
    --muted: #607083;
    --primary: #0b75d1;
    --primary-dark: #075aa1;
    --border: #d9e2ec;
    --success: #e8f8ef;
    --error: #ffecec;
    --warn: #fff8e5;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background: var(--bg);
}

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

a:hover {
    text-decoration: underline;
}

.topbar {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: center;
    padding: 14px 24px;
    background: #102236;
    color: white;
}

.topbar a {
    color: white;
}

.brand {
    font-weight: 700;
    font-size: 18px;
}

.topbar nav {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    font-size: 14px;
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 28px 18px 60px;
}

.hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.hero h1 {
    font-size: clamp(34px, 7vw, 68px);
    margin: 0 0 16px;
    line-height: 1;
}

.hero p {
    color: var(--muted);
    max-width: 760px;
    font-size: 18px;
}

.eyebrow {
    color: var(--primary) !important;
    font-weight: 700;
    letter-spacing: .12em;
}

.button,
button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 10px;
    background: var(--primary);
    color: white;
    padding: 11px 16px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
}

.button:hover,
button:hover {
    background: var(--primary-dark);
    text-decoration: none;
}

.button.secondary {
    background: #eef4fb;
    color: var(--primary);
}

.grid {
    display: grid;
    gap: 16px;
}

.grid.two {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.cards {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    margin: 20px 0;
}

.card,
.panel,
.auth-box {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(16, 34, 54, .05);
}

.card strong {
    display: block;
    color: var(--muted);
    margin-bottom: 8px;
}

.card span {
    display: block;
    font-size: 34px;
    font-weight: 800;
}

.panel {
    margin: 18px 0;
}

.auth-box {
    max-width: 480px;
    margin: 60px auto;
}

label {
    display: block;
    margin: 14px 0;
    font-weight: 700;
}

input,
textarea,
select {
    display: block;
    width: 100%;
    margin-top: 7px;
    padding: 11px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font: inherit;
}

textarea {
    resize: vertical;
}

.checkbox {
    display: flex;
    gap: 10px;
    align-items: center;
}

.checkbox input {
    width: auto;
    margin: 0;
}

.alert {
    padding: 12px 14px;
    border-radius: 12px;
    margin: 14px 0;
}

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

.alert.error {
    background: var(--error);
}

.alert.warn {
    background: var(--warn);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

th,
td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 13px;
}

.chat-log {
    display: grid;
    gap: 12px;
}

.msg {
    padding: 14px;
    border-radius: 14px;
    background: #f3f6fa;
}

.msg.user {
    background: #eaf3ff;
}

.msg.assistant {
    background: #eef9f1;
}

.msg small {
    color: var(--muted);
}

.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 4px 9px;
    background: #eef4fb;
    color: #22435f;
    font-size: 12px;
    font-weight: 700;
}

.badge.ok {
    background: #e8f8ef;
    color: #136b38;
}

.badge.warn {
    background: #fff8e5;
    color: #8a6100;
}

.badge.bad {
    background: #ffecec;
    color: #a51d1d;
}

.event {
    border-left: 4px solid var(--border);
    padding: 10px 0 10px 14px;
    margin: 10px 0;
}

.event small {
    display: block;
    color: var(--muted);
    margin: 4px 0;
}