* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Segoe UI, Arial, sans-serif;
    color: #17202a;
    background: #eef2f5;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 22px;
    color: #ffffff;
    background: #16324f;
}

.topbar a {
    color: #ffffff;
}

.layout {
    display: grid;
    grid-template-columns: minmax(320px, 520px) minmax(420px, 1fr);
    gap: 20px;
    padding: 20px;
}

.panel,
.login-panel {
    border: 1px solid #d7dee6;
    border-radius: 8px;
    background: #ffffff;
    padding: 20px;
}

.login-page {
    display: grid;
    min-height: 100vh;
    place-items: center;
}

.login-panel {
    width: min(420px, calc(100vw - 32px));
}

h1,
h2 {
    margin: 0 0 16px;
}

form {
    display: grid;
    gap: 14px;
}

label {
    display: grid;
    gap: 6px;
    font-weight: 600;
}

input {
    width: 100%;
    border: 1px solid #b9c4d0;
    border-radius: 6px;
    padding: 10px 12px;
    font: inherit;
}

button {
    border: 0;
    border-radius: 6px;
    padding: 11px 14px;
    color: #ffffff;
    background: #1f6feb;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

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

th,
td {
    border-bottom: 1px solid #e3e8ef;
    padding: 10px 8px;
    text-align: left;
    vertical-align: top;
}

.error,
.warning,
.success {
    border-radius: 6px;
    padding: 10px 12px;
}

.error {
    color: #8a1f17;
    background: #fdecea;
}

.warning {
    color: #7a4f01;
    background: #fff7d6;
}

.success {
    color: #14532d;
    background: #dcfce7;
}

@media (max-width: 900px) {
    .layout {
        grid-template-columns: 1fr;
    }
}