* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f6f8;
    color: #222;
}

a {
    color: inherit;
}

.wrap {
    width: min(1100px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    background: #111827;
    color: #fff;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
}

.brand a {
    color: #fff;
    text-decoration: none;
    font-size: 22px;
    font-weight: bold;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 18px;
}

.main-nav a {
    color: #fff;
    text-decoration: none;
}

.logout-form {
    margin: 0;
}

.logout-form button {
    border: 1px solid #fff;
    background: transparent;
    color: #fff;
    padding: 7px 12px;
    border-radius: 5px;
    cursor: pointer;
}

.site-main {
    padding: 32px 0;
    min-height: calc(100vh - 128px);
}

.site-footer {
    background: #e5e7eb;
    padding: 20px 0;
    color: #555;
}

.card {
    background: #fff;
    border-radius: 10px;
    padding: 28px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

.login-main {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-box {
    width: 100%;
    max-width: 420px;
    background: #fff;
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.login-box h1 {
    margin-top: 0;
}

.form-row {
    margin-bottom: 18px;
}

.form-row label {
    display: block;
    margin-bottom: 6px;
    font-weight: bold;
}

.form-row input {
    width: 100%;
    padding: 11px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 16px;
}

.button {
    width: 100%;
    border: 0;
    background: #2563eb;
    color: #fff;
    padding: 12px;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
}

.button:hover {
    background: #1d4ed8;
}

.alert {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 18px;
}

.login-help {
    margin-top: 20px;
    font-size: 14px;
    color: #555;
}

.email-form textarea {
    width: 100%;
    padding: 11px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 16px;
    font-family: Arial, Helvetica, sans-serif;
    resize: vertical;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.data-table th,
.data-table td {
    border-bottom: 1px solid #e5e7eb;
    padding: 10px;
    text-align: left;
    vertical-align: top;
}

.data-table th {
    background: #f9fafb;
    font-weight: bold;
}

.data-table small {
    color: #666;
}