/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Iconos Font Awesome */
.fas, .far {
    margin-right: 0.5rem;
}

/* Iconos sin margen cuando están solos en botones */
.btn i:only-child,
.btn-small i:only-child {
    margin-right: 0;
    margin-left: 0;
}

h2 .fas, h2 .far,
h3 .fas, h3 .far {
    color: inherit;
}

.navbar .fas, .navbar .far {
    width: 1.2em;
    text-align: center;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #180273;
    background: #f2f1ff;
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

/* Header */
header {
    background-color: #4f1cff;
    color: #f2f1ff;
    padding: 1.5rem 0;
    text-align: center;
    box-shadow: 0 2px 8px rgba(79, 28, 255, 0.3);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

header h1 {
    font-size: 2rem;
    font-weight: 600;
    text-shadow: 2px 2px 4px rgba(24, 2, 115, 0.3);
    margin: 0;
}

/* Navbar lateral */
.navbar {
    background-color: #e7e6ff;
    width: 250px;
    position: fixed;
    top: 80px;
    left: 0;
    height: calc(100vh - 80px);
    box-shadow: 2px 0 4px rgba(79, 28, 255, 0.2);
    overflow-y: auto;
    z-index: 999;
}

.navbar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.navbar li {
    margin: 0;
    border-bottom: 1px solid rgba(209, 207, 255, 0.5);
}

.navbar li:first-child {
    border-top: none;
}

.navbar a {
    display: block;
    padding: 1.2rem 1.5rem;
    color: #180273;
    text-decoration: none;
    transition: background-color 0.3s;
    font-weight: 500;
    line-height: 1.5;
}

.navbar a:hover {
    background-color: #afa9ff;
    color: #4f1cff;
}

.navbar a.active {
    background-color: #6243ff;
    color: #f2f1ff;
    font-weight: 600;
}

.navbar a.active:hover {
    background-color: #4f1cff;
    color: #f2f1ff;
}

/* Container - ajustado para sidebar */
.container {
    margin-left: 250px;
    margin-top: 80px;
    max-width: calc(100% - 250px);
    padding: 2rem;
    width: 100%;
}

/* Títulos */
h2 {
    color: #4f1cff;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

h3 {
    color: #6243ff;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

/* Botones */
.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background-color: #6243ff;
    color: #f2f1ff;
    text-decoration: none;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #8879ff;
    color: #f2f1ff;
}

.btn-primary {
    background-color: #6243ff;
}

.btn-primary:hover {
    background-color: #8879ff;
    color: #f2f1ff;
}

.btn-secondary {
    background-color: #d1cfff;
    color: #180273;
}

.btn-secondary:hover {
    background-color: #afa9ff;
    color: #4f1cff;
}

.btn-danger {
    background-color: #410bf6;
}

.btn-danger:hover {
    background-color: #4f1cff;
}

.btn-link {
    background-color: transparent;
    color: #6243ff;
    text-decoration: underline;
    padding: 0.4rem 0.8rem;
}

.btn-link:hover {
    background-color: transparent;
    color: #4f1cff;
}

.btn-small {
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
}

/* Ajuste para botones pequeños con solo iconos */
.btn-small:has(i:only-child) {
    padding: 0.4rem 0.6rem;
    min-width: 2.5rem;
    text-align: center;
}

/* Fallback para navegadores que no soportan :has() */
@supports not selector(:has(*)) {
    .btn-small i:only-child {
        margin-right: 0;
    }
}

/* Formularios */
.form {
    background-color: #f2f1ff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(79, 28, 255, 0.15);
    max-width: 600px;
    border: 1px solid #d1cfff;
}

.form-inline {
    background-color: #e7e6ff;
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
    margin-bottom: 1rem;
    border: 2px solid #afa9ff;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #180273;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.7rem;
    border: 1px solid #d1cfff;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    background-color: #f2f1ff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #6243ff;
    box-shadow: 0 0 0 2px rgba(98, 67, 255, 0.3);
}

.form-actions {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
}

/* Tablas */
.table {
    width: 100%;
    background-color: #f2f1ff;
    border-collapse: collapse;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(79, 28, 255, 0.15);
    margin-bottom: 2rem;
    border: 1px solid #d1cfff;
}

.table thead {
    background: linear-gradient(135deg, #6243ff 0%, #afa9ff 100%);
    color: #f2f1ff;
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.table tbody tr:hover {
    background-color: #e7e6ff;
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table tfoot {
    background-color: #e7e6ff;
    font-weight: 600;
    color: #180273;
}

.table-detail {
    width: 100%;
    background-color: #f2f1ff;
    border-collapse: collapse;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(79, 28, 255, 0.15);
    margin-bottom: 2rem;
    border: 1px solid #d1cfff;
}

.table-detail th {
    background-color: #e7e6ff;
    padding: 1rem;
    text-align: left;
    width: 200px;
    font-weight: 600;
    color: #4f1cff;
}

.table-detail td {
    padding: 1rem;
    border-bottom: 1px solid #eee;
}

/* Alertas */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

.alert-error {
    background-color: #e7e6ff;
    color: #410bf6;
    border: 1px solid #afa9ff;
}

.alert-success {
    background-color: #f2f1ff;
    color: #3909dd;
    border: 1px solid #8879ff;
}

/* Búsqueda */
.search-form {
    background-color: #f2f1ff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(79, 28, 255, 0.15);
    margin-bottom: 2rem;
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    border: 1px solid #d1cfff;
}

.search-form input[type="text"],
.search-form input[type="date"] {
    flex: 1;
    min-width: 200px;
    padding: 0.7rem;
    border: 1px solid #d1cfff;
    border-radius: 4px;
    font-size: 1rem;
    background-color: #f2f1ff;
}

/* Page header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.dashboard-card {
    background-color: #f2f1ff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(79, 28, 255, 0.15);
    text-align: center;
    border: 1px solid #d1cfff;
}

.dashboard-card h3 {
    color: #3909dd;
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.dashboard-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: #6243ff;
    margin: 0;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: #f2f1ff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(79, 28, 255, 0.15);
    text-align: center;
    border: 1px solid #d1cfff;
}

.stat-card h3 {
    font-size: 0.9rem;
    color: #3909dd;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: #6243ff;
    margin: 0;
}

/* Section */
.section {
    background-color: #f2f1ff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(79, 28, 255, 0.15);
    margin-bottom: 2rem;
    border: 1px solid #d1cfff;
}

/* Stock */
.stock {
    font-weight: 600;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    display: inline-block;
}

.stock-bajo {
    background-color: #e7e6ff;
    color: #410bf6;
}

/* Actions */
.actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.inline-form {
    display: inline;
}

/* Producto items en formularios */
.producto-item {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.producto-item select,
.producto-item input {
    flex: 1;
    min-width: 150px;
}

.producto-item .producto-search {
    flex: 1;
    min-width: 200px;
}

.producto-item .btn-crear-producto {
    flex-shrink: 0;
    min-width: auto;
}

.cantidad-input {
    width: 120px;
    flex-shrink: 0;
}

.costo-input {
    width: 180px;
    flex-shrink: 0;
}

.input-small {
    width: 100px;
    padding: 0.5rem;
}

.cantidad-input,
.costo-input {
    width: 120px;
}

.subtotal {
    font-weight: 600;
    color: #4f1cff;
    min-width: 80px;
}

.stock-form {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.stock-btn-mobile {
    display: none;
    min-width: 40px;
    padding: 0.5rem;
    text-align: center;
}

.stock-btn-mobile .fas {
    margin: 0;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-content {
    background-color: #f2f1ff;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(79, 28, 255, 0.3);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #d1cfff;
}

.modal-header h3 {
    margin: 0;
    color: #4f1cff;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #3909dd;
    cursor: pointer;
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.modal-close:hover {
    background-color: #e7e6ff;
}

.modal-body {
    padding: 1.5rem;
}

.modal-body .form {
    max-width: 100%;
    box-shadow: none;
    border: none;
    padding: 0;
}

/* No data */
.no-data {
    text-align: center;
    padding: 3rem;
    color: #3909dd;
    font-style: italic;
}

/* Info text */
.info-text {
    color: #3909dd;
    font-size: 0.9rem;
}

/* Error page */
.error-page {
    text-align: center;
    padding: 3rem;
    background-color: #f2f1ff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(79, 28, 255, 0.15);
    border: 1px solid #d1cfff;
}

.error-message {
    font-size: 1.2rem;
    color: #410bf6;
    margin: 1rem 0;
}

.error-code {
    color: #3909dd;
    font-size: 0.9rem;
}

/* Detail section */
.detail-section {
    margin-bottom: 2rem;
}

/* Footer eliminado */

/* Responsive */
@media (max-width: 980px) {
    header {
        position: fixed;
        top: 0;
        height: 60px;
    }
    
    header h1 {
        font-size: 1.5rem;
    }
    
    .navbar {
        position: fixed;
        bottom: 0;
        top: auto;
        left: 0;
        right: 0;
        width: 100%;
        height: 70px;
        box-shadow: 0 -2px 8px rgba(79, 28, 255, 0.2);
    }
    
    .navbar ul {
        display: flex;
        flex-direction: row;
        justify-content: space-around;
        align-items: center;
        height: 100%;
        padding: 0;
        margin: 0;
    }
    
    .navbar li {
        flex: 1;
        border-bottom: none;
        border-right: 1px solid rgba(209, 207, 255, 0.3);
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .navbar li:last-child {
        border-right: none;
    }
    
    .navbar a {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 0.5rem;
        width: 100%;
        height: 100%;
        text-align: center;
        position: relative;
    }
    
    .navbar a .fas,
    .navbar a .far {
        font-size: 1.5rem;
        margin: 0;
        display: block;
    }
    
    .navbar a .nav-text {
        display: none;
    }
    
    .navbar a:hover {
        background-color: #afa9ff;
    }
    
    .navbar a.active {
        background-color: #6243ff;
        color: #f2f1ff;
    }
    
    .navbar a.active:hover {
        background-color: #4f1cff;
        color: #f2f1ff;
    }
    
    .container {
        margin-left: 0;
        margin-top: 60px;
        margin-bottom: 70px;
        max-width: 100%;
        padding: 1.5rem 1rem;
    }
}

@media (max-width: 768px) {
    .stock-form-desktop {
        display: none;
    }
    
    .stock-btn-mobile {
        display: inline-block;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .dashboard-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .table {
        font-size: 0.9rem;
    }
    
    .table th,
    .table td {
        padding: 0.7rem 0.5rem;
    }
    
    .producto-item {
        flex-direction: column;
        align-items: stretch;
    }
    
    .producto-item select,
    .producto-item input {
        width: 100%;
    }
    
    .actions {
        flex-wrap: wrap;
        gap: 0.3rem;
    }
    
    .actions .btn {
        font-size: 0.85rem;
        padding: 0.4rem 0.6rem;
    }
}

/* Botón de ayuda flotante */
.help-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #6243ff;
    color: #f2f1ff;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(79, 28, 255, 0.4);
    z-index: 1000;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.help-button:hover {
    background-color: #4f1cff;
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(79, 28, 255, 0.6);
}

.help-button i {
    margin: 0;
}

/* Modal de ayuda */
.help-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

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

.help-modal-content {
    background-color: #f2f1ff;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.help-modal-header {
    background-color: #6243ff;
    color: #f2f1ff;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.help-modal-header h3 {
    margin: 0;
    color: #f2f1ff;
    font-size: 1.5rem;
}

.help-modal-close {
    background: none;
    border: none;
    color: #f2f1ff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: transform 0.2s;
}

.help-modal-close:hover {
    transform: rotate(90deg);
}

.help-modal-body {
    padding: 2rem;
    overflow-y: auto;
    color: #180273;
}

.help-modal-body h4 {
    color: #4f1cff;
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
}

.help-modal-body h4:first-child {
    margin-top: 0;
}

.help-modal-body ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.help-modal-body li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.help-modal-body p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.help-modal-body strong {
    color: #6243ff;
}

/* Responsive para el botón de ayuda */
@media (max-width: 980px) {
    .help-button {
        bottom: 90px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .help-modal-content {
        width: 95%;
        max-height: 85vh;
    }
    
    .help-modal-body {
        padding: 1.5rem;
    }
}