* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 1rem;
    margin: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Login Screen */
.login-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e40af 100%);
    padding: 1rem;
}

.login-container {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 400px;
}

.login-container h1 {
    color: var(--primary-color);
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    text-align: center;
}

.login-container h2 {
    color: var(--text-color);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.error-message {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 1rem;
    text-align: center;
}

header {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

header h1 {
    color: var(--primary-color);
    font-size: 1.75rem;
    margin: 0;
}

/* Sistema de Pestañas */
.tabs-container {
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    overflow: hidden;
}

.tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border-color);
}

.tab-button {
    padding: 1rem 2rem;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--secondary-color);
    transition: all 0.3s;
    position: relative;
}

.tab-button:hover {
    background: var(--bg-color);
    color: var(--primary-color);
}

.tab-button.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background: var(--bg-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.user-info span {
    padding: 0.5rem 1rem;
    background: var(--bg-color);
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
}

.user-info #rol-actual {
    background: var(--primary-color);
    color: white;
}

/* Acumulados */
.acumulados {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.acumulados h2 {
    margin-bottom: 1rem;
    color: var(--text-color);
    font-size: 1.25rem;
}

.acumulados-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.acumulado-card {
    background: var(--bg-color);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.acumulado-card h3 {
    font-size: 0.875rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.acumulado-card .valor {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-color);
}

.acumulado-card .valor.positivo {
    color: var(--success-color);
}

.acumulado-card .valor.negativo {
    color: var(--danger-color);
}

/* Filtros */
.filtros {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.filtros h2 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.filtros-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    align-items: end;
}

.filtro-item {
    display: flex;
    flex-direction: column;
}

.filtro-item label {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-color);
}

.filtro-input {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.875rem;
    background: white;
}

/* Formulario */
.formulario {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.formulario h2 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.form-item {
    display: flex;
    flex-direction: column;
}

.form-item.full-width {
    grid-column: 1 / -1;
}

.form-item label {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.form-item input,
.form-item select {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.875rem;
}

.form-item input[type="file"] {
    padding: 0.25rem;
}

#preview-ticket {
    margin-top: 0.5rem;
}

#preview-ticket img {
    max-width: 200px;
    max-height: 200px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

/* Botones */
.btn {
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #1d4ed8;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #475569;
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-success:hover {
    background-color: #059669;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-edit {
    background-color: var(--warning-color);
    color: white;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    margin-right: 0.5rem;
}

.btn-edit:hover {
    background-color: #d97706;
}

/* Movimientos */
.movimientos {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.movimientos-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.movimientos-header h2 {
    font-size: 1.25rem;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

thead {
    background-color: var(--bg-color);
}

th {
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-color);
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

tbody tr:hover {
    background-color: var(--bg-color);
}

.tipo-ingreso {
    color: var(--success-color);
    font-weight: 600;
}

.tipo-gasto {
    color: var(--danger-color);
    font-weight: 600;
}

.cantidad-positiva {
    color: var(--success-color);
    font-weight: 600;
}

.cantidad-negativa {
    color: var(--danger-color);
    font-weight: 600;
}

.ticket-link {
    color: var(--primary-color);
    text-decoration: none;
    cursor: pointer;
    font-size: 0.75rem;
}

.ticket-link:hover {
    text-decoration: underline;
}

.ticket-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ticket-image {
    max-width: 50px;
    max-height: 50px;
    border-radius: 4px;
    cursor: pointer;
}

.btn-download-ticket {
    background: var(--success-color);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 0.25rem 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    transition: background 0.2s;
}

.btn-download-ticket:hover {
    background: #059669;
}

.empty-state {
    text-align: center;
    color: var(--secondary-color);
    padding: 2rem !important;
}

.acciones-cell {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: var(--card-bg);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 8px;
    max-width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.close-modal {
    color: var(--secondary-color);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 1rem;
    top: 1rem;
}

.close-modal:hover {
    color: var(--text-color);
}

#modal-ticket-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

#modal-ticket-content iframe {
    width: 100%;
    min-height: 600px;
    border: none;
}

/* Gestión de Usuarios */
.gestion-usuarios {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.gestion-usuarios h2 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.usuarios-list {
    margin-top: 2rem;
}

.usuarios-list h3 {
    margin-bottom: 1rem;
    font-size: 1rem;
}

.usuarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.usuario-card {
    background: var(--bg-color);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.usuario-info {
    flex: 1;
}

.usuario-info .usuario-nombre {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.usuario-info .usuario-rol {
    font-size: 0.75rem;
    color: var(--secondary-color);
    text-transform: capitalize;
}

.usuario-acciones {
    display: flex;
    gap: 0.5rem;
}

/* Herramientas de Administración */
.admin-tools {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-color);
    border-radius: 8px;
    border: 2px solid var(--danger-color);
}

.admin-tools h3 {
    margin-bottom: 1rem;
    color: var(--danger-color);
    font-size: 1rem;
}

.admin-tools-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.admin-tool-item {
    padding: 1rem;
    background: white;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.admin-tool-item p {
    margin-bottom: 0.75rem;
    color: var(--text-color);
    font-size: 0.875rem;
}

.admin-buttons-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.admin-tools-content p strong {
    color: var(--danger-color);
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 0.5rem;
    }

    .tabs {
        flex-wrap: wrap;
    }

    .tab-button {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
        flex: 1;
        min-width: 120px;
    }

    .header-content {
        flex-direction: column;
        align-items: stretch;
    }

    header h1 {
        font-size: 1.5rem;
        text-align: center;
    }

    .user-info {
        justify-content: center;
    }

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

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

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

    .movimientos-header {
        flex-direction: column;
        align-items: stretch;
    }

    .movimientos-header h2 {
        margin-bottom: 0.5rem;
    }

    table {
        font-size: 0.75rem;
    }

    th, td {
        padding: 0.5rem;
    }

    .table-container {
        -webkit-overflow-scrolling: touch;
    }

    /* Ocultar algunas columnas en móvil */
    .hide-mobile {
        display: none;
    }

    .modal-content {
        margin: 10% auto;
        padding: 1rem;
        max-width: 95%;
    }
}

@media (max-width: 480px) {
    .acumulados-grid {
        grid-template-columns: 1fr;
    }

    .acumulado-card .valor {
        font-size: 1.25rem;
    }
}