/**
 * Sistema de Gestión de Producción - Estilos CSS
 * Diseño inspirado en dashboards modernos con gráficos
 */

/* ============================================
   VARIABLES CSS
   ============================================ */
:root {
    /* Colores principales */
    --color-primary: #4267B2;
    --color-primary-dark: #365899;
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-danger: #dc3545;
    --color-info: #17a2b8;

    /* Colores de fondo */
    --bg-body: #f0f2f5;
    --bg-sidebar: #1e293b;
    --bg-card: #ffffff;
    --bg-header: #ffffff;

    /* Texto */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;

    /* Bordes */
    --border-color: #e2e8f0;
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;

    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Sidebar */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 0px;
}

/* ============================================
   RESET & BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-body);
}

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

img {
    max-width: 100%;
    height: auto;
}

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: var(--spacing-md);
}

.login-box {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.login-header h1 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.login-header p {
    color: var(--text-secondary);
}

.login-form {
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(66, 103, 178, 0.1);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-block {
    width: 100%;
    display: block;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.language-selector {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.language-selector p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.lang-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.lang-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    transition: all 0.3s;
}

.lang-btn:hover,
.lang-btn.active {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
    color: var(--text-white);
}

.login-footer {
    text-align: center;
    margin-top: var(--spacing-md);
    color: var(--text-white);
    font-size: 0.875rem;
}

.alert {
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

/* ============================================
   LAYOUT (Dashboard)
   ============================================ */
body:not(.login-page) {
    display: flex;
}

.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    background-color: var(--bg-sidebar);
    color: var(--text-white);
    position: fixed;
    left: 0;
    top: 0;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: var(--spacing-lg) var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.sidebar-logo {
    max-height: 36px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
    display: block;
}

.sidebar-app-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-white);
    line-height: 1.2;
}

.sidebar-lang-switcher {
    margin-top: var(--spacing-sm);
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.lang-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.lang-pill:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-white);
}

.lang-pill.active {
    background: #ffffff;
    color: var(--color-primary);
    border-color: #ffffff;
}

.sidebar-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

.sidebar-menu {
    flex: 1;
    padding: var(--spacing-md) 0;
}

.menu-section-title {
    padding: var(--spacing-sm) var(--spacing-md);
    margin-top: var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.5);
}

.menu-section-title:first-of-type {
    margin-top: 0;
}

.menu-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.menu-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
}

.menu-item.active {
    background-color: rgba(66, 103, 178, 0.2);
    color: var(--text-white);
    border-left-color: var(--color-primary);
}

.menu-item i {
    margin-right: var(--spacing-sm);
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-info i {
    font-size: 2rem;
}

.user-name {
    font-weight: 500;
    font-size: 0.9rem;
}

.logout-pill {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    background: rgba(220, 53, 69, 0.12); /* var(--color-danger) softened */
    color: #f87171; /* rojo claro para el texto */
    border: 1px solid rgba(248, 113, 113, 0.6);
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s, transform 0.1s;
}

.logout-pill i {
    font-size: 0.9rem;
}

.logout-pill:hover {
    background: rgba(220, 53, 69, 0.25);
    color: #fecaca;
    border-color: rgba(248, 113, 113, 0.9);
    transform: translateY(-1px);
}

.logout-pill:active {
    transform: translateY(0);
}

.user-role {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
    background-color: var(--bg-body);
}

.top-bar {
    background-color: var(--bg-header);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 10px;
}

.top-bar h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.language-selector-inline {
    display: flex;
    gap: var(--spacing-xs);
}

.lang-link {
    padding: 0.4rem 0.8rem;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.lang-link:hover,
.lang-link.active {
    background-color: var(--color-primary);
    color: var(--text-white);
}

.btn-logout {
    padding: 0.5rem 1rem;
    background-color: var(--color-danger);
    color: var(--text-white);
    border-radius: var(--border-radius);
    transition: all 0.3s;
}

.btn-logout:hover {
    background-color: #c82333;
}

/* ============================================
   DASHBOARD CONTENT
   ============================================ */
.dashboard-content {
    padding: var(--spacing-lg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-white);
}

.stat-card-success .stat-icon {
    background: linear-gradient(135deg, #28a745, #20c997);
}

.stat-card-warning .stat-icon {
    background: linear-gradient(135deg, #ffc107, #fd7e14);
}

.stat-card-danger .stat-icon {
    background: linear-gradient(135deg, #dc3545, #bd2130);
}

.stat-card-info .stat-icon {
    background: linear-gradient(135deg, #17a2b8, #138496);
}

.stat-details h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.stat-details p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.dashboard-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.dashboard-card-wide {
    grid-column: 1 / -1;
}

.card-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-header-actions {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    align-items: center;
}

.card-header-actions .btn-group {
    display: flex;
    gap: 0;
}

.card-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

.card-body {
    padding: var(--spacing-md);
}

/* ============================================
   IMAGE DROPZONE (Productos)
   ============================================ */
.image-dropzone {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: center;
    cursor: pointer;
    background-color: #f8fafc;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    transition: background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.image-dropzone__icon {
    font-size: 2rem;
    color: var(--color-primary);
}

.image-dropzone__text strong {
    display: block;
    margin-bottom: 0.15rem;
}

.image-dropzone__text span {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.image-dropzone__hint {
    font-size: 0.8rem;
    margin-top: 0.3rem;
}

.image-dropzone.dragover {
    background-color: #e0ecff;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.image-dropzone__list {
    list-style: none;
    margin-top: 0.5rem;
    padding: 0;
    width: 100%;
    max-height: 140px;
    overflow-y: auto;
    text-align: left;
}

.image-dropzone__list li {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    border-top: 1px dashed var(--border-color);
    padding-top: 2px;
    margin-top: 2px;
}

/* ============================================
   CHARTS
   ============================================ */
.chart-container {
    height: 300px;
    position: relative;
}

/* ============================================
   TABLES
   ============================================ */
.table-responsive {
    overflow-x: auto;
}

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

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

.table th {
    padding: var(--spacing-sm);
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
}

.table td {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

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

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

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-block;
    padding: 0.35rem 0.65rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
    text-align: center;
}

.badge-success {
    background-color: #d4edda;
    color: #155724;
}

.badge-warning {
    background-color: #fff3cd;
    color: #856404;
}

.badge-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.badge-info {
    background-color: #d1ecf1;
    color: #0c5460;
}

/* ============================================
   SEARCH & QUICK LINKS
   ============================================ */
.search-form {
    margin-bottom: var(--spacing-md);
}

.search-input-group {
    display: flex;
    gap: var(--spacing-xs);
}

.search-input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.quick-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.quick-link {
    padding: var(--spacing-sm);
    background-color: var(--bg-body);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.quick-link:hover {
    background-color: var(--color-primary);
    color: var(--text-white);
}

.quick-link i {
    width: 20px;
}

/* ============================================
   Documentos / Pedidos Cards
   ============================================ */
.po-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.po-card {
    display: flex;
    gap: var(--spacing-md);
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: var(--spacing-md);
    background: #fff;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.po-card__media img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05);
}

.po-card__placeholder {
    width: 120px;
    height: 120px;
    border-radius: 10px;
    background: linear-gradient(135deg, #f3f4f6, #e5e7eb);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9ca3af;
    font-size: 2rem;
}

.po-card__content {
    flex: 1;
    min-width: 0;
}

.po-card__title {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.po-card__select {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.po-card__select input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

.po-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.po-card__meta {
    margin: 0 0 4px 0;
    font-size: 0.9rem;
    color: #4b5563;
}

.po-card__description {
    font-size: 0.9rem;
    color: #6b7280;
    margin-bottom: var(--spacing-sm);
}

.po-card--selected {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(66, 103, 178, 0.15);
    background: #f8fbff;
}

.po-card__footer {
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-sm);
    margin-top: auto;
}

.po-card .po-card__content .po-card__footer {
    margin-top: auto;
}

.po-card__footer .po-card__actions--centered {
    justify-content: center;
}

.po-card__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-xs);
}

.po-card__actions--centered {
    justify-content: center;
    margin-top: auto;
    padding-top: var(--spacing-sm);
}

.po-card .po-card__content {
    display: flex;
    flex-direction: column;
}

.po-card .po-card__content .po-card__actions {
    margin-top: auto;
}

.po-card__status-form {
    margin: var(--spacing-xs) 0;
}

.po-card__status-label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.po-card__status-select {
    width: 100%;
}

.po-card__orders {
    margin-top: var(--spacing-sm);
    border-top: 1px dashed #e5e7eb;
    padding-top: var(--spacing-sm);
}

.po-card__order {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px solid #f3f4f6;
    gap: var(--spacing-sm);
}

.po-card__order-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-xs);
}

.po-card__order:last-child {
    border-bottom: none;
}

.po-card__order-select input {
    accent-color: var(--color-primary);
    width: 16px;
    height: 16px;
}

.po-card__order-select {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.po-card__order-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.po-card__order--selected {
    background: #f0f7ff;
    border-radius: 6px;
    padding: 6px;
}

.product-card .po-card__media img,
.product-card .po-card__placeholder {
    width: 100px;
    height: 100px;
}

.btn-outline {
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    background: transparent;
}

.btn-outline:hover {
    background: rgba(66, 103, 178, 0.08);
}

.tag {
    background: rgba(66, 103, 178, 0.12);
    color: var(--color-primary);
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}

.selection-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background: #f8fafc;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.selection-info.hidden {
    display: none;
}

.quote-card-label {
    cursor: pointer;
    display: block;
    position: relative;
}
.quote-card-label input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.quote-card-label .po-card {
    transition: all 0.2s;
}
.quote-card-label:hover .po-card {
    border-color: var(--color-primary);
    background: #f8fbff;
}
.quote-card-label.quote-card--selected .po-card {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(66, 103, 178, 0.3);
    background: #f0f7ff;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .sidebar {
        left: -var(--sidebar-width);
        transition: left 0.3s ease;
        z-index: 1001;
    }

    .sidebar.active {
        left: 0;
    }

    .main-content {
        margin-left: 0;
        width: 100%;
    }

    .menu-toggle {
        display: block;
    }

    .top-bar {
        padding: var(--spacing-sm);
    }

    .top-bar h1 {
        font-size: 1.2rem;
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1000;
    }

    .sidebar-overlay.active {
        display: block;
    }

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