* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f5f6f8;
    color: #1f2937;
}

.wrap {
    max-width: 1180px;
    margin: 0 auto;
    padding: 24px;
}

.wrap-small {
    max-width: 520px;
}

.hero {
    margin-bottom: 24px;
}

.hero h1,
.wrap h1 {
    margin: 0 0 12px;
    font-size: 32px;
}

.hero p {
    margin: 0;
    color: #6b7280;
}

.card {
    background: #fff;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
    margin-bottom: 20px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.form-grid .full {
    grid-column: 1 / -1;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
}

input[type="text"],
input[type="password"],
input[type="file"],
select,
textarea,
button {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid #d1d5db;
    font-size: 15px;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

button {
    background: #111827;
    color: #fff;
    border: none;
    cursor: pointer;
}

button:hover {
    opacity: 0.95;
}

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

th,
td {
    text-align: left;
    padding: 14px;
    border-bottom: 1px solid #eceff3;
    vertical-align: top;
}

th {
    background: #f9fafb;
}

small {
    color: #6b7280;
}

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

.alert-success {
    background: #dcfce7;
    color: #166534;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
}

.admin-topbar {
    background: #111827;
    color: #fff;
}

.admin-topbar__inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.admin-brand {
    font-weight: 700;
}

.admin-nav {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

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

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 20px;
}

.stat-card h2 {
    margin: 0 0 8px;
    font-size: 34px;
}

.stat-card p {
    margin: 0;
    color: #6b7280;
}

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

    .card {
        overflow-x: auto;
    }

    table {
        min-width: 760px;
    }
}