:root {
    --bg: #f5f7fb;
    --panel: #ffffff;
    --text: #18202f;
    --muted: #667085;
    --line: #dde3ee;
    --primary: #0f766e;
    --primary-dark: #115e59;
    --accent: #f59e0b;
    --danger: #b42318;
    --sidebar: #111827;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    overflow-x: hidden;
}

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

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 250px;
    background: var(--sidebar);
    color: #ffffff;
    padding: 24px 18px;
    z-index: 20;
}

.brand,
.topbar,
.work-area {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand {
    justify-content: flex-start;
    margin-bottom: 32px;
}

.brand strong,
.brand small {
    display: block;
}

.brand small {
    color: #aeb7c8;
    margin-top: 2px;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    background: var(--primary);
    color: #ffffff;
    font-weight: 700;
}

.nav {
    display: grid;
    gap: 6px;
}

.nav a {
    border-radius: 8px;
    color: #d5dbea;
    padding: 12px 14px;
}

.nav a:hover,
.nav a.active {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.nav a.disabled {
    color: rgba(213, 219, 234, 0.38);
    cursor: not-allowed;
    opacity: 0.72;
    pointer-events: none;
}

.nav a.disabled:hover {
    background: transparent;
    color: rgba(213, 219, 234, 0.38);
}

.main {
    margin-left: 250px;
    padding: 30px;
    min-width: 0;
}

.topbar {
    margin-bottom: 24px;
}

.topbar h1,
.login-heading h1,
.work-area h2,
.panel-heading h2 {
    margin: 0;
}

.topbar p,
.login-heading p,
.work-area p,
.panel-heading p {
    margin: 6px 0 0;
    color: var(--muted);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    border: 0;
    border-radius: 8px;
    background: var(--primary);
    color: #ffffff;
    cursor: pointer;
    font-weight: 700;
    padding: 0 18px;
}

.button:hover {
    background: var(--primary-dark);
}

.button.ghost {
    border: 1px solid var(--line);
    background: #ffffff;
    color: var(--text);
}

.button.small {
    font-size: 13px;
    min-height: 34px;
    padding: 0 12px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.stat-card,
.work-area,
.login-panel,
.panel {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
}

.stat-card {
    padding: 18px;
}

.stat-card span {
    display: block;
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 10px;
}

.stat-card strong {
    font-size: 26px;
}

.work-area {
    margin-top: 18px;
    padding: 22px;
}

.module-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: minmax(320px, 0.85fr) minmax(0, 1.15fr);
}

.panel {
    padding: 22px;
    min-width: 0;
}

.full-panel {
    margin-top: 18px;
}

.panel-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.login-page {
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-shell {
    width: min(100%, 420px);
}

.login-panel {
    padding: 28px;
}

.login-heading {
    margin-bottom: 24px;
    text-align: center;
}

.login-heading .brand-mark {
    margin-bottom: 14px;
}

.form {
    display: grid;
    gap: 16px;
}

.form label {
    color: var(--text);
    display: grid;
    font-weight: 700;
    gap: 8px;
}

.form input,
.form select,
.form textarea,
.search-bar input {
    border: 1px solid var(--line);
    border-radius: 8px;
    font: inherit;
    min-height: 44px;
    padding: 0 12px;
}

.form textarea {
    min-height: 92px;
    padding: 12px;
    resize: vertical;
}

.form input:focus,
.form select:focus,
.form textarea:focus,
.search-bar input:focus {
    border-color: var(--primary);
    outline: 3px solid rgba(15, 118, 110, 0.16);
}

.form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.span-2 {
    grid-column: span 2;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
}

.search-bar {
    display: grid;
    gap: 10px;
    grid-template-columns: minmax(0, 1fr) auto auto;
    margin-bottom: 16px;
}

.compact-search {
    grid-template-columns: minmax(0, 1fr) auto auto;
}

.filter-actions {
    align-items: end;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-select {
    color: var(--text);
    display: grid;
    font-weight: 700;
    gap: 6px;
}

.filter-select select {
    border: 1px solid var(--line);
    border-radius: 8px;
    font: inherit;
    min-height: 42px;
    min-width: 180px;
    padding: 0 12px;
}

.filter-select select:focus {
    border-color: var(--primary);
    outline: 3px solid rgba(15, 118, 110, 0.16);
}

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

.data-table {
    border-collapse: collapse;
    width: 100% !important;
}

.data-table th,
.data-table td {
    border-bottom: 1px solid var(--line);
    padding: 13px 10px;
    text-align: left;
    vertical-align: middle;
}

.data-table th {
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.data-table thead th {
    white-space: nowrap;
}

.data-table td small {
    color: var(--muted);
    display: block;
    margin-top: 4px;
}

.empty-cell {
    color: var(--muted);
    text-align: center;
}

.dt-container {
    color: var(--text);
}

.dt-container .dt-search,
.dt-container .dt-length,
.dt-container .dt-info,
.dt-container .dt-paging {
    color: var(--muted);
    font-size: 14px;
}

.dt-container .dt-search input,
.dt-container .dt-length select {
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--text);
    max-width: 100%;
}

.dt-container .page-link {
    color: var(--primary-dark);
}

.dt-container .active > .page-link,
.dt-container .page-link.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
}

.badge {
    border-radius: 999px;
    display: inline-flex;
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
    padding: 7px 10px;
    text-transform: capitalize;
}

.badge.activo {
    background: rgba(15, 118, 110, 0.12);
    color: var(--primary-dark);
}

.badge.inactivo {
    background: rgba(102, 112, 133, 0.14);
    color: #475467;
}

.badge.suspendido {
    background: rgba(180, 35, 24, 0.1);
    color: var(--danger);
}

.table-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.table-actions form {
    margin: 0;
}

.preview-box {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f8fafc;
    padding: 14px;
}

.preview-box span,
.muted-text {
    color: var(--muted);
    font-size: 13px;
}

.preview-box strong {
    display: block;
    margin-top: 5px;
}

.badge.activa {
    background: rgba(15, 118, 110, 0.12);
    color: var(--primary-dark);
}

.badge.vencida {
    background: rgba(102, 112, 133, 0.14);
    color: #475467;
}

.badge.cancelada {
    background: rgba(180, 35, 24, 0.1);
    color: var(--danger);
}

.badge.membresia {
    background: rgba(15, 118, 110, 0.12);
    color: var(--primary-dark);
}

.badge.visita_dia {
    background: rgba(245, 158, 11, 0.15);
    color: #92400e;
}

.badge.clase {
    background: rgba(37, 99, 235, 0.12);
    color: #1d4ed8;
}

.badge.producto {
    background: rgba(124, 58, 237, 0.12);
    color: #6d28d9;
}

.badge.visita {
    background: rgba(245, 158, 11, 0.15);
    color: #92400e;
}

.badge.otro {
    background: rgba(102, 112, 133, 0.14);
    color: #475467;
}

.badge.impreso {
    background: rgba(15, 118, 110, 0.12);
    color: var(--primary-dark);
}

.badge.pendiente {
    background: rgba(245, 158, 11, 0.15);
    color: #92400e;
}

.badge.abierta,
.badge.activo {
    background: rgba(15, 118, 110, 0.12);
    color: var(--primary-dark);
}

.badge.cerrada,
.badge.anulado {
    background: rgba(102, 112, 133, 0.14);
    color: #475467;
}

.badge.administrador {
    background: rgba(37, 99, 235, 0.12);
    color: #1d4ed8;
}

.badge.recepcion {
    background: rgba(15, 118, 110, 0.12);
    color: var(--primary-dark);
}

.badge.instructor {
    background: rgba(124, 58, 237, 0.12);
    color: #6d28d9;
}

.badge.permiso {
    background: rgba(102, 112, 133, 0.14);
    color: #475467;
    margin: 2px;
}

.permissions-box {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 14px;
}

.permissions-box legend {
    color: var(--text);
    float: none;
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 12px;
    width: auto;
}

.permissions-grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.check-option {
    align-items: center;
    border: 1px solid var(--line);
    border-radius: 8px;
    display: flex !important;
    flex-direction: row !important;
    gap: 8px !important;
    padding: 10px;
}

.check-option input {
    min-height: auto;
    width: auto;
}

.permission-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.client-access-list {
    display: grid;
    gap: 10px;
    margin-top: 18px;
}

.access-row {
    align-items: center;
    border: 1px solid var(--line);
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 12px;
}

.access-row small {
    color: var(--muted);
    display: block;
    margin-top: 4px;
}

.ticket-layout {
    align-items: flex-start;
    display: flex;
    gap: 18px;
    justify-content: center;
    margin-top: 18px;
}

.modal-body .ticket-layout {
    margin-top: 0;
}

.modal-dialog {
    max-width: min(94vw, 520px);
}

.ticket-paper {
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: #111827;
    font-family: "Courier New", Courier, monospace;
    padding: 18px;
    width: 320px;
}

.ticket-paper header,
.ticket-paper footer {
    text-align: center;
}

.ticket-paper header {
    border-bottom: 1px dashed #98a2b3;
    margin-bottom: 14px;
    padding-bottom: 12px;
}

.ticket-paper header strong,
.ticket-paper header span {
    display: block;
}

.ticket-logo {
    display: block;
    height: auto;
    margin: 0 auto 10px;
    max-height: 120px;
    max-width: 220px;
    object-fit: contain;
    width: 100%;
}

.ticket-line,
.ticket-total {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 7px 0;
}

.ticket-description {
    border-bottom: 1px dashed #98a2b3;
    border-top: 1px dashed #98a2b3;
    margin: 10px 0;
    padding: 10px 0;
}

.ticket-total {
    border-top: 1px dashed #98a2b3;
    font-size: 18px;
    margin-top: 8px;
    padding-top: 12px;
}

.ticket-paper footer {
    border-top: 1px dashed #98a2b3;
    margin-top: 14px;
    padding-top: 12px;
}

.ticket-actions {
    display: grid;
    gap: 10px;
}

.alert {
    border: 1px solid rgba(180, 35, 24, 0.22);
    border-radius: 8px;
    background: rgba(180, 35, 24, 0.08);
    color: var(--danger);
    margin-bottom: 18px;
    padding: 12px;
}

.alert.success {
    border-color: rgba(15, 118, 110, 0.22);
    background: rgba(15, 118, 110, 0.08);
    color: var(--primary-dark);
}

@media (max-width: 860px) {
    .sidebar {
        position: static;
        width: auto;
        padding: 16px;
    }

    .main {
        margin-left: 0;
        padding: 20px;
    }

    .brand {
        margin-bottom: 14px;
    }

    .nav {
        display: flex;
        gap: 8px;
        overflow-x: auto;
        padding-bottom: 4px;
        scrollbar-width: thin;
    }

    .nav a {
        flex: 0 0 auto;
        padding: 10px 12px;
        white-space: nowrap;
    }

    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .module-grid {
        grid-template-columns: 1fr;
    }

    .dt-container .row {
        gap: 10px;
    }

    .dt-container .dt-search,
    .dt-container .dt-length,
    .dt-container .dt-info,
    .dt-container .dt-paging {
        text-align: left;
    }

    .dt-container .dt-search input {
        display: block;
        margin: 6px 0 0;
        width: 100%;
    }
}

@media (max-width: 560px) {
    body {
        font-size: 14px;
    }

    .sidebar {
        padding: 14px;
    }

    .brand {
        align-items: center;
    }

    .brand-mark {
        height: 38px;
        width: 38px;
    }

    .main {
        padding: 14px;
    }

    .topbar,
    .work-area,
    .panel-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .topbar {
        gap: 12px;
        margin-bottom: 16px;
    }

    .topbar h1 {
        font-size: 24px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .stat-card,
    .work-area,
    .panel,
    .login-panel {
        padding: 16px;
    }

    .stat-card strong {
        font-size: 22px;
    }

    .form-grid,
    .search-bar {
        grid-template-columns: 1fr;
    }

    .filter-actions,
    .filter-select,
    .filter-select select {
        width: 100%;
    }

    .permissions-grid {
        grid-template-columns: 1fr;
    }

    .span-2 {
        grid-column: span 1;
    }

    .form-actions {
        justify-content: stretch;
    }

    .button,
    .form-actions .button,
    .search-bar .button {
        width: 100%;
    }

    .button.small {
        min-height: 38px;
        width: auto;
    }

    .table-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .table-actions .button,
    .table-actions form,
    .table-actions form .button {
        width: 100%;
    }

    .data-table th,
    .data-table td {
        padding: 10px 8px;
    }

    .dt-container .dt-paging .pagination {
        flex-wrap: wrap;
        gap: 4px;
        justify-content: flex-start;
    }

    .access-row {
        align-items: flex-start;
        flex-direction: column;
    }

    .ticket-layout {
        align-items: stretch;
        flex-direction: column;
    }

    .ticket-paper {
        width: 100%;
    }

    .modal-dialog {
        margin: 10px;
        max-width: calc(100vw - 20px);
    }

    .modal-footer {
        align-items: stretch;
        flex-direction: column;
    }

    .modal-footer .button,
    .modal-footer form,
    .modal-footer form .button {
        width: 100%;
    }
}

@media (max-width: 380px) {
    .main {
        padding: 10px;
    }

    .panel,
    .stat-card,
    .work-area,
    .login-panel {
        padding: 12px;
    }

    .topbar h1 {
        font-size: 21px;
    }
}

@media print {
    @page {
        margin: 0;
        size: 80mm auto;
    }

    body {
        background: #ffffff;
    }

    .no-print,
    .sidebar,
    .modal-backdrop {
        display: none !important;
    }

    .main {
        margin: 0;
        padding: 0;
    }

    .modal {
        display: block !important;
        position: static !important;
    }

    .modal-dialog {
        margin: 0 auto !important;
        max-width: none !important;
        transform: none !important;
        width: 80mm !important;
    }

    .modal-content,
    .modal-body {
        border: 0;
        box-shadow: none;
        padding: 0;
    }

    .ticket-layout {
        display: block;
        margin: 0;
    }

    .ticket-paper {
        border: 0;
        border-radius: 0;
        margin: 0 auto;
        width: 78mm;
    }
}