* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #0b1020;
    color: #e5e7eb;
}

.topbar {
    background: #111827;
    padding: 18px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #263044;
}

.topbar h2 {
    margin: 0;
}

.topbar a {
    color: #fff;
    text-decoration: none;
    background: #dc2626;
    padding: 10px 15px;
    border-radius: 8px;
}

.container {
    padding: 25px;
}

.card {
    background: #111827;
    border: 1px solid #263044;
    padding: 20px;
    margin-bottom: 22px;
    border-radius: 14px;
    box-shadow: 0 10px 25px rgba(0,0,0,.25);
}

h3 {
    margin-top: 0;
}

.grid-form {
    display: grid;
    grid-template-columns: 1fr 1.5fr 1.5fr auto;
    gap: 12px;
}

input {
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #374151;
    background: #0b1020;
    color: #fff;
}

button, .btn {
    padding: 11px 15px;
    background: #2563eb;
    color: #fff;
    border: 0;
    border-radius: 8px;
    text-decoration: none;
    cursor: pointer;
    display: inline-block;
}

.btn.danger {
    background: #dc2626;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

th, td {
    padding: 12px;
    border-bottom: 1px solid #263044;
    vertical-align: top;
}

th {
    text-align: left;
    background: #0b1020;
}

small {
    word-break: break-all;
}

.ok {
    color: #22c55e;
    font-weight: bold;
}

.bad {
    color: #ef4444;
    font-weight: bold;
}

code {
    display: block;
    background: #020617;
    color: #22c55e;
    padding: 14px;
    border-radius: 8px;
    word-break: break-all;
}

.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top, #1e3a8a, #020617);
}

.login-box {
    width: 360px;
    padding: 28px;
    background: #111827;
    border-radius: 16px;
    border: 1px solid #263044;
}

.login-box h2 {
    text-align: center;
}

.login-box input,
.login-box button {
    width: 100%;
    margin-top: 12px;
}

.alert {
    background: #7f1d1d;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 10px;
}

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

    table {
        font-size: 12px;
    }
}