:root {
    --bg: #e5e5e5;
    --card: #ffffff;
    --text: #333333;
    --muted: #666666;
    --line: #dddddd;
    --primary: #5fae2e;
    --primary-hover: #4b8d24;
    --header: #3B3939;
    --secondary: #666666;
    --secondary-hover: #444444;
    --danger: #dc3545;
    --success: #28a745;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.45;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    color: var(--primary-hover);
}

/* Identidad JB / Servicios Activos */
.header {
    background: var(--header);
    padding: 15px;
    text-align: center;
}

.header img {
    display: block;
    max-width: 180px;
    max-height: 72px;
    width: auto;
    height: auto;
    margin: 0 auto;
}

.container {
    max-width: 1100px;
    margin: 30px auto;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.main-nav {
    margin-bottom: 25px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.main-nav a {
    background: var(--primary);
    color: #fff;
    padding: 10px 15px;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    transition: .3s;
}

.main-nav a:hover {
    background: var(--primary-hover);
    color: #fff;
}

.main-nav a.logout {
    background: var(--secondary);
}

.main-nav a.logout:hover {
    background: var(--secondary-hover);
}

.page-title h1 {
    margin: 0 0 20px;
    color: #333;
    font-size: 28px;
}

h2 {
    color: #333;
}

/* Tarjetas y bloques */
.card {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 20px;
}

.section-card {
    margin-bottom: 20px;
}

.section-card h2,
.workflow-grid h2,
.review-panel h2,
.history h2 {
    margin-top: 0;
}

/* Formularios: mismos valores base de Servicios Activos */
label {
    display: flex;
    flex-direction: column;
    gap: 7px;
    font-weight: bold;
    color: #333;
}

input,
select,
textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
    background: #fff;
    transition: .2s;
}

textarea {
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 4px rgba(95,174,46,0.4);
}

input[type="checkbox"] {
    width: auto;
    padding: 0;
    accent-color: var(--primary);
}

button,
.button {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 12px 15px;
    border-radius: 6px;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: .3s;
    text-decoration: none;
}

button:hover,
.button:hover {
    background: var(--primary-hover);
    color: #fff;
}

.button.secondary {
    background: var(--secondary);
    color: #fff;
}

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

button.danger,
.button.danger {
    background: var(--danger);
}

form label + label {
    margin-top: 15px;
}

form button {
    margin-top: 15px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(220px, 1fr));
    gap: 20px;
    max-width: 850px;
}

.form-grid label + label {
    margin-top: 0;
}

.form-grid.compact {
    max-width: none;
    grid-template-columns: repeat(3, minmax(220px, 1fr));
    margin-bottom: 20px;
}

.checkbox {
    flex-direction: row;
    align-items: center;
}

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

.actions button {
    margin: 0;
}

.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin: 0 0 18px;
}

.toolbar form button {
    margin: 0;
}

.filters {
    display: flex;
    align-items: end;
    gap: 12px;
    margin-bottom: 20px;
}

.filters label {
    width: 220px;
}

.filters button {
    margin: 0;
}

/* Resúmenes */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin: 20px 0;
}

.summary-grid-four {
    grid-template-columns: repeat(4, 1fr);
}

.summary {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 14px;
}

.summary small {
    display: block;
    color: #666;
    margin-bottom: 8px;
}

.summary strong {
    color: #333;
    font-size: 24px;
}

/* Tablas: borde completo y encabezado gris como Servicios Activos */
.table-wrap {
    overflow-x: auto;
    width: 100%;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 850px;
}

th,
td {
    padding: 12px;
    border: 1px solid #ddd;
    text-align: left;
    vertical-align: top;
}

th {
    background: #f4f4f4;
    color: #333;
    font-size: 14px;
    text-transform: none;
    letter-spacing: 0;
}

tr:nth-child(even) {
    background: #fafafa;
}

.detail-cell {
    min-width: 340px;
    max-width: 650px;
}

.block {
    display: block;
    color: #666;
    margin-top: 3px;
}

/* Estados: se conserva el significado funcional, con estética simple */
.badge {
    display: inline-block;
    border-radius: 10px;
    padding: 3px 9px;
    background: #eee;
    color: #555;
    white-space: nowrap;
    font-size: 12px;
}

.badge.ok,
.badge.dentro_abono,
.badge.aprobada {
    background: #edf8e8;
    color: #356c1c;
}

.badge.facturar,
.badge.facturar_manual,
.badge.observada {
    background: #fff0f0;
    color: #9c2525;
}

.badge.decision_manual,
.badge.pendiente_revision,
.badge.revisar {
    background: #fff8e1;
    color: #8a6410;
}

.badge.trasladar,
.badge.absorber,
.badge.borrador {
    background: #f0f0f0;
    color: #555;
}

.badge.muted {
    color: #666;
}

/* Mensajes */
.alert {
    padding: 12px 15px;
    border-radius: 6px;
    margin: 0 0 20px;
    background: #f4f4f4;
    border: 1px solid #ddd;
    color: #555;
}

.alert.success {
    background: #edf8e8;
    border-color: #b7dca5;
    color: #356c1c;
}

.alert.error {
    background: #fff0f0;
    border-color: #e0aaaa;
    color: #9c2525;
}

/* Login: replica el patrón del login de Servicios Activos */
.auth-main {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 25px;
}

.login-container {
    background: #fff;
    width: 420px;
    max-width: 95%;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    overflow: hidden;
    text-align: center;
}

.logo-bar {
    background: var(--header);
    padding: 20px;
}

.logo-bar img {
    max-width: 200px;
    max-height: 80px;
    display: block;
    margin: auto;
}

.login-content {
    padding: 35px;
}

.login-content h1 {
    margin: 0 0 25px;
    color: #333;
    font-size: 24px;
}

.login-content label {
    text-align: left;
}

.login-content button {
    width: 100%;
    padding: 15px;
    font-size: 16px;
}

/* Componentes existentes de Administración */
.sticky-actions {
    position: sticky;
    bottom: 12px;
    justify-content: flex-end;
    margin-top: 18px;
}

.one-summary {
    grid-template-columns: minmax(260px, 420px);
}

.inline-filter {
    margin: 0;
    padding: 0;
    border: 0;
    box-shadow: none;
    background: transparent;
}

.source-note {
    margin-bottom: 20px;
}

.source-note p {
    margin-bottom: 0;
    white-space: normal;
}

.supply-line-form {
    display: grid;
    grid-template-columns: minmax(260px,2fr) 120px 180px auto;
    gap: 14px;
    align-items: end;
    margin-bottom: 12px;
}

.supply-line-form label + label {
    margin: 0;
}

.add-line-form {
    display: flex;
    gap: 12px;
    align-items: end;
    margin-top: 18px;
}

.add-line-form label {
    flex: 1;
}

.add-line-form button {
    margin: 0;
}

.form-help {
    color: #666;
    margin: 0;
}

.document-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-bottom: 16px;
}

.document-actions button {
    margin: 0;
}

.invoice {
    max-width: 1050px;
    margin: 0 auto 24px;
    padding: 30px;
}

.invoice-head {
    display: grid;
    grid-template-columns: 1fr 290px auto;
    gap: 24px;
    align-items: start;
    padding-bottom: 22px;
    border-bottom: 2px solid #3B3939;
}

.invoice-head h2 {
    margin: 5px 0;
    font-size: 25px;
}

.invoice-head p {
    margin: 5px 0 0;
    color: #666;
}

.invoice-kind {
    border-left: 1px solid #ddd;
    padding-left: 24px;
}

.invoice-kind strong,
.invoice-kind span {
    display: block;
}

.invoice-kind strong {
    font-size: 22px;
}

.invoice-kind span {
    color: var(--danger);
    font-size: 12px;
    font-weight: bold;
    margin-top: 3px;
}

.customer-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 25px;
    background: #fafafa;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 16px;
    margin: 20px 0;
}

.customer-box small,
.customer-box strong {
    grid-column: 1 / -1;
}

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

.invoice-metrics {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 1px;
    margin: 20px 0;
    background: #ddd;
    border: 1px solid #ddd;
}

.invoice-metrics div {
    background: #fff;
    padding: 13px;
}

.invoice-metrics small,
.invoice-metrics strong {
    display: block;
}

.invoice-table table {
    min-width: 780px;
}

.number-input {
    min-width: 100px;
}

.inline-form {
    display: inline-block;
    margin: 2px;
}

.inline-form button {
    margin: 0;
    padding: 7px 10px;
}

.invoice-totals {
    width: min(430px,100%);
    margin: 24px 0 0 auto;
}

.invoice-totals div {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #ddd;
}

.invoice-totals .grand-total {
    font-size: 20px;
    border-bottom: 0;
    border-top: 2px solid #3B3939;
    margin-top: 5px;
    padding-top: 13px;
}

.note {
    padding: 12px 14px;
    margin: 12px 0;
    background: #f5f5f5;
    border-left: 4px solid var(--primary);
}

.note.review {
    background: #fff8e1;
    border-color: #fd7e14;
}

.workflow-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 24px 0;
}

.review-panel,
.history {
    margin-top: 24px;
}

.history-event {
    padding: 12px 0;
    border-bottom: 1px solid #ddd;
}

.history-event:last-child {
    border-bottom: 0;
}

.history-event small {
    display: block;
    color: #666;
}

.history-event p {
    margin: 6px 0 0;
}

@media print {
    .header,
    .main-nav,
    .page-title,
    .no-print {
        display: none !important;
    }

    body {
        background: #fff;
    }

    .container {
        max-width: none;
        padding: 0;
        margin: 0;
        box-shadow: none;
    }

    .invoice {
        border: 0;
        box-shadow: none;
        max-width: none;
        padding: 0;
    }
}

@media (max-width: 760px) {
    .container {
        margin: 0;
        border-radius: 0;
        min-height: 100vh;
        padding: 22px 16px 40px;
    }

    .main-nav {
        flex-direction: column;
    }

    .main-nav a {
        text-align: center;
    }

    .form-grid,
    .form-grid.compact,
    .summary-grid {
        grid-template-columns: 1fr;
    }

    .filters,
    .toolbar {
        align-items: stretch;
        flex-direction: column;
    }

    .filters label {
        width: auto;
    }

    .auth-main {
        padding: 0;
        background: #fff;
    }

    .login-container {
        width: 100%;
        max-width: none;
        min-height: 100vh;
        border-radius: 0;
        box-shadow: none;
    }

    .logo-bar img {
        max-width: 170px;
    }
}

@media (max-width: 850px) {
    .invoice-head,
    .workflow-grid,
    .customer-box {
        grid-template-columns: 1fr;
    }

    .invoice-kind {
        border-left: 0;
        padding-left: 0;
    }

    .customer-box small,
    .customer-box strong {
        grid-column: auto;
    }

    .invoice-metrics {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 1050px) {
    .supply-line-form {
        grid-template-columns: 1fr;
    }

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

/* Preliquidaciones - clientes ocasionales */
.occasional-clients {
    margin-top: 24px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: #fff;
    overflow: hidden;
}

.occasional-clients > summary {
    list-style: none;
    cursor: pointer;
    background: #f0f0f0;
    padding: 12px 14px;
    font-size: 16px;
    font-weight: bold;
    color: #333;
    user-select: none;
}

.occasional-clients > summary::-webkit-details-marker {
    display: none;
}

.occasional-clients > summary::before {
    content: '▶';
    display: inline-block;
    margin-right: 9px;
    font-size: 11px;
    transition: transform .2s ease;
}

.occasional-clients[open] > summary::before {
    transform: rotate(90deg);
}

.occasional-clients > summary:hover {
    background: #e6e6e6;
}


.occasional-table {
    margin: 0;
    border-top: 1px solid #ddd;
}


/* Grupos de facturación */
.client-selector {
    display: grid;
    grid-template-columns: repeat(2, minmax(260px, 1fr));
    gap: 10px;
    margin: 15px 0 5px;
}
.client-check {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: #fafafa;
    font-weight: normal;
}
.client-check input { width: auto; margin: 0; }
.client-check span { display: flex; flex-direction: column; gap: 2px; }
.client-check small { color: #666; }
.client-check.disabled { opacity: .55; }
.sin-referente { color: #999; font-style: italic; }
@media (max-width:700px) { .client-selector { grid-template-columns: 1fr; } }

/* Dashboard - horas de los ultimos 3 meses */
.hours-chart {
    padding: 24px;
}

.hours-chart-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 25px;
}

.hours-chart-header h2 {
    margin: 0 0 5px;
    color: #333;
}

.hours-chart-header p {
    margin: 0;
    color: #666;
    font-size: 14px;
}

.hours-chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 13px;
    color: #555;
}

.hours-chart-legend span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.hours-chart-legend i {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    display: inline-block;
}

.hours-chart-body {
    display: flex;
    flex-direction: column;
}

.hours-client-row {
    display: grid;
    grid-template-columns: minmax(180px, 250px) 1fr;
    gap: 18px;
    padding: 16px 0;
    border-top: 1px solid #e2e2e2;
}

.hours-client-row:first-child {
    border-top: 0;
    padding-top: 0;
}

.hours-client-name {
    font-weight: bold;
    color: #333;
    padding-top: 3px;
}

.hours-bars {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.hours-bar-line {
    display: grid;
    grid-template-columns: minmax(100px, 1fr) 72px;
    align-items: center;
    gap: 10px;
    min-height: 18px;
}

.hours-bar-track {
    height: 14px;
    background: #eeeeee;
    border-radius: 7px;
    overflow: hidden;
}

.hours-bar {
    height: 100%;
    min-width: 0;
    border-radius: 7px;
}

.month-color-1 { background: #b9b9b9; }
.month-color-2 { background: #666666; }
.month-color-3 { background: #5fae2e; }

.hours-value {
    text-align: right;
    color: #444;
    font-size: 13px;
    font-variant-numeric: tabular-nums;
}

.muted {
    color: #777;
}

@media (max-width: 700px) {
    .hours-chart {
        padding: 18px;
    }

    .hours-chart-header {
        flex-direction: column;
    }

    .hours-client-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .hours-bar-line {
        grid-template-columns: minmax(80px, 1fr) 68px;
    }
}


/* Dashboard - clientes ocasionales */
.dashboard-occasional-clients {
    margin-top: 26px;
}

.dashboard-occasional-clients .occasional-hours-body {
    padding: 16px 14px 8px;
    border-top: 1px solid #ddd;
}