.admin-container {
    max-width: 760px;
    margin: 0 auto;
    padding: 30px 20px;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
}

.admin-header h1 {
    font-size: 1.8em;
    color: var(--accent);
}

.admin-header .header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.admin-header .back-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
}

.admin-header .back-link:hover {
    color: var(--text-primary);
}

.admin-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 20px;
}

.admin-section h2 {
    font-size: 1.1em;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.balance-row {
    color: var(--text-secondary);
    font-size: 14px;
}

.balance-row .balance {
    color: var(--chip-gold);
    font-weight: 800;
}

.create-form {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: end;
}

.create-form .form-group {
    margin-bottom: 0;
}

.create-form .form-group label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.create-form .form-group input {
    width: 100%;
    max-width: 260px;
    padding: 8px 12px;
}

.admin-msg {
    padding: 8px 12px;
    border-radius: var(--radius);
    margin-bottom: 12px;
    font-size: 13px;
    display: none;
}

.admin-msg.success {
    background: rgba(46, 204, 113, 0.15);
    border: 1px solid var(--success);
    color: var(--success);
}

.admin-msg.error {
    background: rgba(231, 76, 60, 0.15);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.result-box {
    margin-top: 16px;
    padding: 14px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
}

.result-label {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 8px;
}

.result-code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 18px;
    letter-spacing: 1.2px;
    padding: 10px 12px;
    border-radius: var(--radius);
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    user-select: all;
}

.result-actions {
    margin-top: 10px;
}

.result-meta {
    margin-top: 10px;
    color: var(--text-muted);
    font-size: 12px;
}

.filter-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: end;
    margin-bottom: 14px;
}

.filter-row .form-group {
    margin-bottom: 0;
}

.filter-row .form-group label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.filter-row .form-group input,
.filter-row .form-group select {
    width: 100%;
    max-width: 220px;
    padding: 8px 12px;
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.admin-table th {
    text-align: left;
    padding: 8px 6px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    font-weight: 600;
    white-space: nowrap;
}

.admin-table td {
    padding: 6px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    color: var(--text-primary);
    vertical-align: top;
}

.muted {
    color: var(--text-muted);
}

.center {
    text-align: center;
}

.pager {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 12px;
}

.pager-label {
    color: var(--text-muted);
    font-size: 12px;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.03);
    color: var(--text-secondary);
    white-space: nowrap;
}

.badge.online {
    border-color: rgba(46, 204, 113, 0.55);
    color: var(--success);
}

.badge.offline {
    border-color: rgba(160, 160, 176, 0.3);
    color: var(--text-secondary);
}

.badge.admin {
    border-color: rgba(233, 69, 96, 0.6);
    color: var(--accent);
}

.status {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    border: 1px solid var(--border);
    white-space: nowrap;
}

.status.unused {
    border-color: rgba(46, 204, 113, 0.55);
    color: var(--success);
    background: rgba(46, 204, 113, 0.08);
}

.status.used {
    border-color: rgba(127, 140, 141, 0.55);
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
}

.status.expired {
    border-color: rgba(231, 76, 60, 0.55);
    color: var(--danger);
    background: rgba(231, 76, 60, 0.08);
}

.amount-credit {
    color: var(--success);
}

.amount-debit {
    color: var(--danger);
}

.btn-mini {
    padding: 6px 12px;
    font-size: 12px;
}

.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.55);
    z-index: 2000;
}

.modal-card {
    width: 100%;
    max-width: 460px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
    padding: 18px;
}

.modal-title {
    font-size: 1.1em;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.modal-sub {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 12px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 14px;
}

.modal .form-group {
    margin-bottom: 12px;
}

.modal .form-group label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.modal .form-group input {
    width: 100%;
}

@media (max-width: 600px) {
    .admin-container {
        padding: 18px 12px;
    }

    .create-form {
        flex-direction: column;
        align-items: stretch;
    }

    .create-form .form-group input {
        max-width: 100%;
    }

    .filter-row {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-row .form-group input,
    .filter-row .form-group select {
        max-width: 100%;
    }
}