:root {
    --admin-bg: #07101f;
    --admin-bg-soft: #0b1628;
    --admin-card: #101d32;
    --admin-card-2: #0d1a2e;
    --admin-border: rgba(125, 168, 230, 0.16);
    --admin-blue: #1688ff;
    --admin-green: #2dd98f;
    --admin-red: #ff5f6d;
    --admin-orange: #ffb454;
    --admin-text: #f5f8ff;
    --admin-muted: #92a0b5;
    --admin-line: rgba(255,255,255,0.07);
    --admin-font: 'Inter', sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--admin-bg);
    color: var(--admin-text);
    font-family: var(--admin-font);
}

a {
    color: inherit;
    text-decoration: none;
}

.admin-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

.admin-sidebar {
    background: #050b16;
    border-right: 1px solid var(--admin-border);
    padding: 22px;
    position: sticky;
    top: 0;
    height: 100vh;
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 8px 6px 24px;
    border-bottom: 1px solid var(--admin-line);
    margin-bottom: 22px;
}

.admin-brand-mark {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border-left: 2px solid rgba(255,255,255,0.55);
    border-right: 2px solid var(--admin-blue);
    position: relative;
}

.admin-brand-mark span {
    position: absolute;
    inset: 8px;
    border-radius: 50%;
    border-left: 1px solid rgba(255,255,255,0.35);
    border-right: 1px solid var(--admin-blue);
    transform: rotate(-24deg);
}

.admin-brand strong {
    display: block;
    font-size: 15px;
    line-height: 1.1;
}

.admin-brand small {
    display: block;
    color: var(--admin-muted);
    font-size: 12px;
    margin-top: 4px;
}

.admin-menu {
    display: grid;
    gap: 8px;
}

.admin-menu a,
.admin-sidebar-footer a {
    min-height: 46px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 14px;
    color: rgba(255,255,255,0.72);
    border-radius: 12px;
    font-size: 14px;
    transition: 0.2s ease;
}

.admin-menu a i,
.admin-sidebar-footer a i {
    width: 18px;
    color: var(--admin-muted);
}

.admin-menu a:hover,
.admin-menu a.active,
.admin-sidebar-footer a:hover {
    background: rgba(22, 136, 255, 0.11);
    color: #fff;
}

.admin-menu a.active i,
.admin-menu a:hover i,
.admin-sidebar-footer a:hover i {
    color: var(--admin-blue);
}

.admin-sidebar-footer {
    position: absolute;
    left: 22px;
    right: 22px;
    bottom: 22px;
    display: grid;
    gap: 8px;
    border-top: 1px solid var(--admin-line);
    padding-top: 18px;
}

.admin-main {
    min-width: 0;
}

.admin-topbar {
    height: 78px;
    background: rgba(7, 16, 31, 0.92);
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(14px);
}

.admin-topbar strong {
    display: block;
}

.admin-topbar span {
    color: var(--admin-muted);
    font-size: 13px;
}

.admin-menu-toggle {
    display: none;
    background: rgba(22, 136, 255, 0.1);
    border: 1px solid var(--admin-border);
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 12px;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: right;
}

.admin-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1688ff, #0047ff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
}

.admin-content {
    padding: 30px;
}

.page-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
}

.page-heading h1 {
    font-size: 30px;
    font-weight: 800;
    margin: 0 0 6px;
}

.page-heading p {
    color: var(--admin-muted);
    margin: 0;
}

.admin-btn {
    min-height: 44px;
    padding: 0 18px;
    border: 0;
    border-radius: 12px;
    background: linear-gradient(135deg, #1688ff, #0052ff);
    color: #fff;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-bottom: 22px;
}

.stat-card,
.admin-card {
    background: var(--admin-card);
    border: 1px solid var(--admin-border);
    border-radius: 18px;
    padding: 22px;
}

.stat-card {
    min-height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.stat-icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: rgba(22, 136, 255, 0.12);
    color: var(--admin-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.stat-card strong {
    font-size: 30px;
    font-weight: 800;
}

.stat-card span {
    color: var(--admin-muted);
    font-size: 14px;
}

.admin-grid-2 {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 18px;
}

.admin-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 18px;
}

.admin-card-header h2 {
    font-size: 18px;
    margin: 0;
    font-weight: 800;
}

.admin-card-header span {
    color: var(--admin-muted);
    font-size: 13px;
}

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

.admin-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}

.admin-table th,
.admin-table td {
    padding: 15px 12px;
    border-bottom: 1px solid var(--admin-line);
    vertical-align: middle;
    font-size: 14px;
}

.admin-table th {
    color: var(--admin-muted);
    font-weight: 700;
    white-space: nowrap;
}

.admin-table td {
    color: rgba(255,255,255,0.86);
}

.status-badge {
    display: inline-flex;
    min-height: 28px;
    align-items: center;
    padding: 0 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}

.status-paid {
    background: rgba(45, 217, 143, 0.12);
    color: var(--admin-green);
}

.status-pending {
    background: rgba(255, 180, 84, 0.12);
    color: var(--admin-orange);
}

.status-failed {
    background: rgba(255, 95, 109, 0.12);
    color: var(--admin-red);
}

.status-active {
    background: rgba(22, 136, 255, 0.12);
    color: var(--admin-blue);
}

.table-action {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    border: 1px solid var(--admin-border);
    background: rgba(255,255,255,0.03);
    color: #fff;
}

.filter-bar {
    display: grid;
    grid-template-columns: 1fr 180px 180px auto;
    gap: 12px;
    margin-bottom: 18px;
}

.admin-input,
.admin-select {
    min-height: 46px;
    border-radius: 12px;
    border: 1px solid var(--admin-border);
    background: #071225;
    color: #fff;
    padding: 0 14px;
    outline: none;
}

.admin-input::placeholder {
    color: rgba(255,255,255,0.35);
}

.admin-select option {
    background: #071225;
}

.chart-placeholder {
    min-height: 280px;
    border: 1px dashed rgba(255,255,255,0.13);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--admin-muted);
    background:
        radial-gradient(circle at center, rgba(22, 136, 255, 0.08), transparent 45%),
        rgba(255,255,255,0.02);
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background:
        radial-gradient(circle at top, rgba(22, 136, 255, 0.18), transparent 42%),
        #050b16;
    padding: 24px;
}

.login-card {
    width: 100%;
    max-width: 430px;
    background: var(--admin-card);
    border: 1px solid var(--admin-border);
    border-radius: 22px;
    padding: 34px;
}

.login-card .admin-brand {
    border-bottom: 0;
    margin-bottom: 14px;
    padding-bottom: 10px;
}

.login-card h1 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 10px;
}

.login-card p {
    color: var(--admin-muted);
    margin-bottom: 26px;
}

.login-card label {
    color: rgba(255,255,255,0.8);
    font-size: 14px;
    margin-bottom: 8px;
}

.login-card .admin-btn {
    width: 100%;
    justify-content: center;
    margin-top: 8px;
}

@media (max-width: 1100px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .admin-grid-2 {
        grid-template-columns: 1fr;
    }

    .filter-bar {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 860px) {
    .admin-layout {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        position: fixed;
        left: -290px;
        top: 0;
        width: 280px;
        z-index: 30;
        transition: 0.25s ease;
    }

    .admin-sidebar.active {
        left: 0;
    }

    .admin-menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .admin-topbar {
        padding: 0 16px;
    }

    .admin-user {
        display: none;
    }

    .admin-content {
        padding: 20px 14px;
    }

    .page-heading {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 560px) {
    .stats-grid,
    .filter-bar {
        grid-template-columns: 1fr;
    }
}
.customer-login-note {
    margin-top: 18px;
    color: var(--admin-muted);
    font-size: 13px;
    text-align: center;
    line-height: 1.6;
}

.customer-info-list {
    display: grid;
    gap: 16px;
}

.customer-info-list div,
.customer-detail-grid div {
    border: 1px solid var(--admin-border);
    background: rgba(255,255,255,0.025);
    border-radius: 14px;
    padding: 16px;
}

.customer-info-list span,
.customer-detail-grid span {
    display: block;
    color: var(--admin-muted);
    font-size: 13px;
    margin-bottom: 6px;
}

.customer-info-list strong,
.customer-detail-grid strong {
    color: #fff;
    font-size: 15px;
}

.customer-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.qr-card {
    text-align: center;
}

.qr-placeholder {
    width: 220px;
    height: 220px;
    margin: 12px auto 18px;
    border-radius: 22px;
    background: #fff;
    color: #07101f;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 118px;
}

.qr-card p {
    color: var(--admin-muted);
    margin: 0;
}

.customer-session {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 18px;
    padding: 20px 0;
    border-top: 1px solid var(--admin-line);
}

.customer-session:first-of-type {
    border-top: 0;
}

.customer-session > strong {
    color: var(--admin-blue);
    font-size: 18px;
}

.customer-session h3 {
    font-size: 17px;
    margin-bottom: 6px;
}

.customer-session p {
    color: var(--admin-muted);
    margin: 0;
    line-height: 1.6;
}

.certificate-card {
    min-height: 520px;
    display: grid;
    place-items: center;
}

.certificate-preview {
    width: 100%;
    max-width: 760px;
    min-height: 360px;
    border: 1px dashed rgba(255,255,255,0.18);
    border-radius: 24px;
    background:
        radial-gradient(circle at center, rgba(22, 136, 255, 0.1), transparent 45%),
        rgba(255,255,255,0.025);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 34px;
    text-align: center;
}

.certificate-preview i {
    font-size: 72px;
    color: var(--admin-blue);
    margin-bottom: 22px;
}

.certificate-preview h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 12px;
}

.certificate-preview p {
    color: var(--admin-muted);
    max-width: 460px;
    line-height: 1.7;
    margin-bottom: 24px;
}

.admin-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

@media (max-width: 700px) {
    .customer-detail-grid {
        grid-template-columns: 1fr;
    }

    .customer-session {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .qr-placeholder {
        width: 180px;
        height: 180px;
        font-size: 92px;
    }
}
.magic-demo-note {
    margin-top: 14px;
    padding: 13px 14px;
    border: 1px solid rgba(22, 136, 255, 0.18);
    background: rgba(22, 136, 255, 0.08);
    color: rgba(255,255,255,0.68);
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.55;
    text-align: center;
}
.registrations-filter {
    grid-template-columns: 1fr 220px 220px auto;
}

.attendee-cell {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 210px;
}

.attendee-cell strong {
    display: block;
    color: #fff;
    font-size: 14px;
    margin-bottom: 3px;
}

.attendee-cell span {
    color: var(--admin-muted);
    font-size: 12px;
}

.mini-avatar {
    width: 38px;
    height: 38px;
    border-radius: 13px;
    background: linear-gradient(135deg, rgba(22, 136, 255, 0.85), rgba(0, 82, 255, 0.85));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
}

.action-group {
    display: flex;
    justify-content: flex-end;
    gap: 7px;
    min-width: 160px;
}

.icon-action {
    width: 36px;
    height: 36px;
    border-radius: 11px;
    border: 1px solid var(--admin-border);
    background: rgba(255,255,255,0.035);
    color: rgba(255,255,255,0.82);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s ease;
}

.icon-action svg {
    width: 17px;
    height: 17px;
}

.icon-action:hover {
    background: rgba(22, 136, 255, 0.12);
    border-color: rgba(22, 136, 255, 0.45);
    color: #fff;
}

.table-empty-state {
    min-height: 220px;
    display: grid;
    place-items: center;
    text-align: center;
    color: var(--admin-muted);
    border: 1px dashed var(--admin-border);
    border-radius: 16px;
    margin-top: 18px;
    padding: 28px;
}

.table-empty-state i,
.table-empty-state svg {
    width: 42px;
    height: 42px;
    color: var(--admin-blue);
    margin-bottom: 8px;
}

.table-empty-state strong {
    display: block;
    color: #fff;
    margin-bottom: 4px;
}

.custom-modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 22px;
}

.custom-modal.active {
    display: flex;
}

.custom-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 8, 18, 0.78);
    backdrop-filter: blur(12px);
}

.custom-modal-card {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 760px;
    max-height: 88vh;
    overflow-y: auto;
    background: var(--admin-card);
    border: 1px solid var(--admin-border);
    border-radius: 22px;
    padding: 24px;
    box-shadow: 0 30px 90px rgba(0,0,0,0.38);
}

.custom-modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 22px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--admin-line);
}

.custom-modal-header h2 {
    font-size: 22px;
    font-weight: 800;
    margin: 0 0 5px;
}

.custom-modal-header span {
    color: var(--admin-muted);
    font-size: 13px;
}

.modal-close {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid var(--admin-border);
    background: rgba(255,255,255,0.035);
    color: #fff;
}

.modal-close svg {
    width: 18px;
    height: 18px;
}

.custom-modal-footer {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--admin-line);
    display: flex;
    justify-content: flex-end;
}

.invoice-upload-box {
    border: 1px dashed rgba(255,255,255,0.18);
    border-radius: 18px;
    padding: 32px;
    display: grid;
    gap: 12px;
    text-align: center;
    justify-items: center;
    background: rgba(255,255,255,0.025);
}

.invoice-upload-box svg {
    width: 46px;
    height: 46px;
    color: var(--admin-blue);
}

.invoice-upload-box strong {
    font-size: 18px;
}

.invoice-upload-box span {
    color: var(--admin-muted);
}

@media (max-width: 1100px) {
    .registrations-filter {
        grid-template-columns: 1fr 1fr;
    }

    .action-group {
        justify-content: flex-start;
    }
}

@media (max-width: 620px) {
    .registrations-filter {
        grid-template-columns: 1fr;
    }

    .custom-modal-card {
        padding: 18px;
    }

    .custom-modal-header {
        align-items: flex-start;
    }
}
.raw-response-box {
    min-height: 260px;
    border: 1px solid var(--admin-border);
    background: #050b16;
    border-radius: 16px;
    padding: 18px;
    color: rgba(255,255,255,0.82);
    white-space: pre-wrap;
    font-size: 13px;
    line-height: 1.7;
}

.refund-warning {
    border: 1px solid rgba(255, 180, 84, 0.25);
    background: rgba(255, 180, 84, 0.08);
    border-radius: 16px;
    padding: 18px;
    display: flex;
    gap: 14px;
    margin-bottom: 18px;
}

.refund-warning svg {
    width: 28px;
    height: 28px;
    color: var(--admin-orange);
    flex: 0 0 auto;
}

.refund-warning strong {
    display: block;
    color: #fff;
    margin-bottom: 5px;
}

.refund-warning span {
    color: var(--admin-muted);
    font-size: 14px;
    line-height: 1.6;
}

.admin-textarea {
    min-height: 120px;
    padding-top: 14px;
    resize: vertical;
}

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

.qr-modal-content {
    text-align: center;
}

.qr-modal-content .qr-placeholder {
    margin-bottom: 18px;
}

.qr-modal-content strong {
    display: block;
    color: #fff;
    font-size: 18px;
    margin-bottom: 6px;
}

.qr-modal-content span {
    color: var(--admin-muted);
}
/* Action button refinements */
.icon-action {
    position: relative;
}

.icon-action.action-view {
    background: rgba(22, 136, 255, 0.08);
    color: #67b7ff;
}

.icon-action.action-code {
    background: rgba(156, 122, 255, 0.08);
    color: #b9a4ff;
}

.icon-action.action-refund,
.icon-action.action-qr {
    background: rgba(255, 180, 84, 0.08);
    color: #ffc46f;
}

.icon-action.action-mail {
    background: rgba(45, 217, 143, 0.08);
    color: #62e7aa;
}

.icon-action.action-danger {
    background: rgba(255, 95, 109, 0.08);
    color: #ff8894;
}

.icon-action.action-view:hover {
    background: rgba(22, 136, 255, 0.18);
    border-color: rgba(22, 136, 255, 0.55);
}

.icon-action.action-code:hover {
    background: rgba(156, 122, 255, 0.16);
    border-color: rgba(156, 122, 255, 0.45);
}

.icon-action.action-refund:hover,
.icon-action.action-qr:hover {
    background: rgba(255, 180, 84, 0.16);
    border-color: rgba(255, 180, 84, 0.45);
}

.icon-action.action-mail:hover {
    background: rgba(45, 217, 143, 0.16);
    border-color: rgba(45, 217, 143, 0.45);
}

.icon-action.action-danger:hover {
    background: rgba(255, 95, 109, 0.16);
    border-color: rgba(255, 95, 109, 0.45);
}

body.modal-open {
    overflow: hidden;
}

.custom-modal.active .custom-modal-card {
    animation: modalPop 0.18s ease-out;
}

@keyframes modalPop {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.speakers-filter {
    grid-template-columns: 1fr 220px auto;
}

.program-filter {
    grid-template-columns: 1fr 180px 180px auto;
}

.speaker-preview-box {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 20px;
    align-items: center;
    border: 1px solid var(--admin-border);
    background: rgba(255,255,255,0.025);
    border-radius: 18px;
    padding: 18px;
    margin-bottom: 18px;
}

.speaker-photo-placeholder {
    width: 120px;
    height: 120px;
    border-radius: 22px;
    background:
        radial-gradient(circle at center, rgba(22, 136, 255, 0.16), transparent 55%),
        #050b16;
    border: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--admin-blue);
}

.speaker-photo-placeholder svg {
    width: 54px;
    height: 54px;
}

.speaker-preview-box h3 {
    font-size: 24px;
    font-weight: 800;
    margin: 0 0 5px;
}

.speaker-preview-box span {
    display: block;
    color: var(--admin-blue);
    font-weight: 700;
    margin-bottom: 10px;
}

.speaker-preview-box p {
    color: var(--admin-muted);
    line-height: 1.65;
    margin: 0;
}

.action-success:hover {
    background: rgba(45, 217, 143, 0.13);
    border-color: rgba(45, 217, 143, 0.45);
    color: var(--admin-green);
}

.action-upload:hover {
    background: rgba(255, 180, 84, 0.13);
    border-color: rgba(255, 180, 84, 0.45);
    color: var(--admin-orange);
}

@media (max-width: 1100px) {
    .speakers-filter,
    .program-filter {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 620px) {
    .speakers-filter,
    .program-filter {
        grid-template-columns: 1fr;
    }

    .speaker-preview-box {
        grid-template-columns: 1fr;
    }
}
body.modal-opened {
    overflow: hidden;
}
.settings-tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.settings-tab {
    min-height: 46px;
    padding: 0 16px;
    border-radius: 14px;
    border: 1px solid var(--admin-border);
    background: rgba(255,255,255,0.035);
    color: rgba(255,255,255,0.72);
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-weight: 700;
    transition: 0.2s ease;
}

.settings-tab svg {
    width: 17px;
    height: 17px;
}

.settings-tab:hover,
.settings-tab.active {
    background: rgba(22, 136, 255, 0.12);
    border-color: rgba(22, 136, 255, 0.42);
    color: #fff;
}

.settings-section {
    display: none;
}

.settings-section.active {
    display: block;
}

.settings-grid {
    display: grid;
    gap: 18px;
}

.settings-note {
    border: 1px solid rgba(22, 136, 255, 0.18);
    background: rgba(22, 136, 255, 0.07);
    color: rgba(255,255,255,0.74);
    border-radius: 16px;
    padding: 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    line-height: 1.65;
    font-size: 14px;
}

.settings-note svg {
    width: 22px;
    height: 22px;
    color: var(--admin-blue);
    flex: 0 0 auto;
    margin-top: 2px;
}

.settings-note.warning {
    border-color: rgba(255, 180, 84, 0.25);
    background: rgba(255, 180, 84, 0.08);
}

.settings-note.warning svg {
    color: var(--admin-orange);
}

.secondary-admin-btn {
    background: rgba(255,255,255,0.035);
    border: 1px solid var(--admin-border);
}

.secondary-admin-btn:hover {
    background: rgba(22, 136, 255, 0.12);
}

.brand-upload-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.brand-upload-card {
    border: 1px solid var(--admin-border);
    background: rgba(255,255,255,0.025);
    border-radius: 18px;
    padding: 18px;
    display: grid;
    gap: 10px;
}

.brand-upload-icon {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    background: rgba(22, 136, 255, 0.1);
    border: 1px solid rgba(22, 136, 255, 0.2);
    color: var(--admin-blue);
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-upload-icon svg {
    width: 26px;
    height: 26px;
}

.brand-upload-card strong {
    color: #fff;
    font-size: 16px;
}

.brand-upload-card span {
    color: var(--admin-muted);
    font-size: 13px;
}

@media (max-width: 760px) {
    .settings-tabs {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    .settings-tab {
        justify-content: center;
    }

    .brand-upload-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .settings-tabs {
        grid-template-columns: 1fr;
    }
}
/* QR Check-in */
.checkin-layout {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 18px;
    align-items: start;
}

.qr-scanner-card,
.checkin-result-card {
    min-height: 560px;
}

.scanner-frame {
    min-height: 300px;
    border: 1px dashed rgba(255,255,255,0.18);
    border-radius: 24px;
    background:
        radial-gradient(circle at center, rgba(22, 136, 255, 0.10), transparent 45%),
        rgba(255,255,255,0.025);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--admin-muted);
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 26px;
}

.scanner-frame svg {
    width: 74px;
    height: 74px;
    color: var(--admin-blue);
    margin-bottom: 16px;
}

.scanner-frame strong {
    color: #fff;
    font-size: 20px;
    margin-bottom: 8px;
}

.scanner-corners::before,
.scanner-corners::after {
    content: "";
    position: absolute;
    width: 64px;
    height: 64px;
    border-color: var(--admin-blue);
    border-style: solid;
}

.scanner-corners::before {
    top: 24px;
    left: 24px;
    border-width: 3px 0 0 3px;
}

.scanner-corners::after {
    right: 24px;
    bottom: 24px;
    border-width: 0 3px 3px 0;
}

.manual-code-box {
    margin-top: 18px;
}

.manual-code-box label,
.custom-modal-card label {
    color: rgba(255,255,255,0.82);
    font-size: 14px;
    margin-bottom: 8px;
}

.manual-code-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
}

.scanner-note {
    margin-top: 16px;
    border: 1px solid rgba(22, 136, 255, 0.18);
    background: rgba(22, 136, 255, 0.07);
    color: rgba(255,255,255,0.72);
    border-radius: 16px;
    padding: 14px;
    display: flex;
    gap: 10px;
    line-height: 1.55;
    font-size: 13px;
}

.scanner-note svg {
    width: 20px;
    height: 20px;
    color: var(--admin-blue);
    flex: 0 0 auto;
}

.checkin-person {
    display: flex;
    align-items: center;
    gap: 16px;
    border: 1px solid var(--admin-border);
    background: rgba(255,255,255,0.025);
    border-radius: 18px;
    padding: 18px;
    margin-bottom: 16px;
}

.checkin-avatar {
    width: 68px;
    height: 68px;
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(22,136,255,0.9), rgba(0,82,255,0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 28px;
}

.checkin-person h3 {
    margin: 0 0 4px;
    font-size: 22px;
    font-weight: 800;
}

.checkin-person span {
    color: var(--admin-muted);
}

.checkin-confirm-btn,
.checkin-secondary-btn {
    width: 100%;
    justify-content: center;
    margin-top: 14px;
}

.checkin-secondary-btn {
    min-height: 44px;
    padding: 0 18px;
    border-radius: 12px;
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.manual-attendee-card {
    border: 1px solid var(--admin-border);
    background: rgba(255,255,255,0.025);
    border-radius: 16px;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

/* Stronger admin mobile UX */
@media (max-width: 1100px) {
    .admin-layout {
        grid-template-columns: 240px 1fr;
    }

    .admin-sidebar {
        padding: 16px;
    }

    .admin-topbar {
        padding: 0 20px;
    }

    .checkin-layout {
        grid-template-columns: 1fr;
    }

    .qr-scanner-card,
    .checkin-result-card {
        min-height: auto;
    }

    .admin-table {
        min-width: 900px;
    }
}

@media (max-width: 860px) {
    body {
        overflow-x: hidden;
    }

    .admin-layout {
        display: block;
        min-height: 100vh;
    }

    .admin-sidebar {
        width: 290px;
        left: -310px;
        padding: 18px;
        box-shadow: 18px 0 60px rgba(0,0,0,0.35);
    }

    .admin-sidebar.active {
        left: 0;
    }

    .admin-main {
        width: 100%;
    }

    .admin-topbar {
        height: auto;
        min-height: 70px;
        padding: 14px;
        gap: 12px;
    }

    .admin-topbar > div:nth-child(2) {
        flex: 1;
        min-width: 0;
    }

    .admin-topbar strong {
        font-size: 14px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .admin-topbar span {
        display: none;
    }

    .admin-content {
        padding: 16px 12px 28px;
    }

    .page-heading {
        gap: 14px;
        margin-bottom: 18px;
    }

    .page-heading h1 {
        font-size: 24px;
    }

    .page-heading p {
        font-size: 14px;
        line-height: 1.55;
    }

    .page-heading .admin-btn,
    .page-heading button.admin-btn {
        width: 100%;
        justify-content: center;
    }

    .stats-grid,
    .checkin-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stat-card {
        min-height: 128px;
        padding: 16px;
    }

    .stat-card strong {
        font-size: 24px;
    }

    .admin-card {
        border-radius: 16px;
        padding: 16px;
    }

    .admin-card-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }

    .filter-bar,
    .registrations-filter,
    .program-filter,
    .speakers-filter {
        grid-template-columns: 1fr !important;
    }

    .manual-code-row {
        grid-template-columns: 1fr;
    }

    .manual-code-row .admin-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 680px) {
    /* Convert selected admin tables to mobile cards */
    .responsive-admin-table {
        min-width: 0;
        border-collapse: separate;
        border-spacing: 0 12px;
    }

    .responsive-admin-table thead {
        display: none;
    }

    .responsive-admin-table tbody,
    .responsive-admin-table tr,
    .responsive-admin-table td {
        display: block;
        width: 100%;
    }

    .responsive-admin-table tr {
        border: 1px solid var(--admin-border);
        background: rgba(255,255,255,0.025);
        border-radius: 16px;
        padding: 12px;
    }

    .responsive-admin-table td {
        border-bottom: 1px solid var(--admin-line);
        padding: 11px 4px;
        display: flex;
        justify-content: space-between;
        gap: 14px;
        text-align: right;
        font-size: 13px;
    }

    .responsive-admin-table td:last-child {
        border-bottom: 0;
    }

    .responsive-admin-table td::before {
        content: attr(data-label);
        color: var(--admin-muted);
        font-weight: 700;
        text-align: left;
        flex: 0 0 110px;
    }

    .responsive-admin-table .action-group {
        justify-content: flex-end;
        min-width: 0;
        flex-wrap: wrap;
    }

    .customer-detail-grid,
    .checkin-detail-grid {
        grid-template-columns: 1fr;
    }

    .checkin-person {
        align-items: flex-start;
    }

    .scanner-frame {
        min-height: 240px;
    }

    .scanner-frame svg {
        width: 58px;
        height: 58px;
    }
}

@media (max-width: 520px) {
    .stats-grid,
    .checkin-stats {
        grid-template-columns: 1fr;
    }

    .admin-content {
        padding-left: 10px;
        padding-right: 10px;
    }

    .custom-modal {
        padding: 10px;
    }

    .custom-modal-card {
        max-height: 92vh;
        border-radius: 18px;
        padding: 16px;
    }

    .custom-modal-header h2 {
        font-size: 18px;
    }

    .admin-btn,
    .secondary-admin-btn {
        min-height: 46px;
    }

    .checkin-avatar {
        width: 54px;
        height: 54px;
        border-radius: 18px;
        font-size: 22px;
    }

    .checkin-person h3 {
        font-size: 18px;
    }

    .manual-attendee-card {
        align-items: flex-start;
        flex-direction: column;
    }
}
.customer-register-link {
    margin-top: 16px;
    border: 1px solid rgba(22, 136, 255, 0.18);
    background: rgba(255,255,255,0.025);
    border-radius: 14px;
    padding: 14px;
    display: grid;
    gap: 10px;
    text-align: center;
}

.customer-register-link span {
    color: var(--admin-muted);
    font-size: 13px;
}

.customer-register-link a {
    min-height: 42px;
    border-radius: 12px;
    border: 1px solid rgba(22, 136, 255, 0.28);
    background: rgba(22, 136, 255, 0.10);
    color: #fff;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.customer-register-link a:hover {
    background: rgba(22, 136, 255, 0.18);
    border-color: rgba(22, 136, 255, 0.48);
}

.customer-register-link svg {
    width: 16px;
    height: 16px;
}