* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, sans-serif;
    background: linear-gradient(135deg, #e8f0ff 0%, #f7f9fc 100%);
    color: #1f2937;
    min-height: 100vh;
}

.container {
    max-width: 560px;
    margin: 40px auto;
    padding: 0 16px;
}

.container-wide {
    max-width: 1100px;
}

.card {
    background: #fff;
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.card-narrow {
    max-width: 420px;
    margin: 0 auto;
}

h1 {
    margin: 0 0 8px;
    font-size: 1.75rem;
}

.subtitle {
    margin: 0 0 24px;
    color: #6b7280;
}

.form label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

.form input[type="email"],
.form input[type="tel"],
.form input[type="text"],
.form input[type="password"] {
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 16px;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    font-size: 1rem;
}

.form input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

button,
.btn-secondary {
    display: inline-block;
    border: none;
    border-radius: 10px;
    padding: 12px 18px;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
}

button {
    background: #e60000;
    color: #fff;
    font-weight: 600;
}

button:hover {
    background: #c40000;
}

.btn-secondary {
    background: #eef2ff;
    color: #1e3a8a;
}

.actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.alert {
    padding: 14px 16px;
    border-radius: 10px;
    margin-bottom: 18px;
}

.alert p {
    margin: 0;
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-info {
    background: #eff6ff;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

.header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.filters {
    display: flex;
    gap: 10px;
    margin-bottom: 18px;
}

.filters a {
    padding: 8px 14px;
    border-radius: 999px;
    background: #f3f4f6;
    color: #374151;
    text-decoration: none;
    font-size: 0.95rem;
}

.filters a.active {
    background: #e60000;
    color: #fff;
}

.table-wrap {
    overflow-x: auto;
}

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

th,
td {
    padding: 12px 10px;
    border-bottom: 1px solid #e5e7eb;
    text-align: left;
    white-space: nowrap;
}

th {
    background: #f9fafb;
    font-size: 0.9rem;
}

.empty {
    text-align: center;
    color: #6b7280;
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-used {
    background: #dcfce7;
    color: #166534;
}

.badge-unused {
    background: #fef3c7;
    color: #92400e;
}

code {
    background: #f3f4f6;
    padding: 2px 6px;
    border-radius: 6px;
}

.magazin-label {
    color: #6b7280;
    font-size: 0.9rem;
}

@media (max-width: 640px) {
    .container {
        margin: 20px auto;
    }

    .card {
        padding: 20px;
    }

    .header-row {
        flex-direction: column;
    }
}