/* ================================================= */
/* 1. PALETA, GENERALES Y BASE                       */
/* ================================================= */
:root {
    --naranja-principal: #FF9800;    /* Naranja vibrante para acciones y header */
    --amarillo-acento: #FFC107;      /* Amarillo para resaltar fondos y CTA */
    --gris-fondo: #F5F5F5;           /* Fondo general muy claro */
    --blanco-card: #FFFFFF;
    --texto-oscuro: #212121;
    --texto-claro: #555555;
    --sombra-suave: 0 4px 12px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Arial', sans-serif;
    background-color: var(--gris-fondo);
    color: var(--texto-oscuro);
    margin: 0;
}

/* --- Botones Base --- */
.btn {
    padding: 12px 25px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.3s, transform 0.2s;
}

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

.btn-primary:hover {
    background-color: #F57C00;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--amarillo-acento);
    color: var(--texto-oscuro);
    border: 1px solid #FFB300;
}

.btn-secondary:hover {
    background-color: #FFD54F;
    transform: translateY(-2px);
}

.btn-small {
    padding: 6px 10px;
    font-size: 0.8em;
    border-radius: 4px;
}

/* --- Navbar (Simple) --- */
.navbar {
    background-color: var(--blanco-card);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    padding: 15px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8em;
    font-weight: bold;
    color: var(--naranja-principal);
}

/* ================================================= */
/* 2. ESTILOS DE LOGIN Y LANDING PAGE                */
/* ================================================= */

/* Hero Section (Landing) */
.hero {
    background-color: var(--amarillo-acento);
    padding: 100px 50px;
    text-align: center;
    color: var(--texto-oscuro);
}

.hero h1 {
    font-size: 3em;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.3em;
    margin-bottom: 40px;
    color: var(--texto-claro);
}

/* Login Card */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 70px); 
    padding: 20px;
}

.login-card {
    background-color: var(--blanco-card);
    border-radius: 12px;
    box-shadow: var(--sombra-suave);
    padding: 40px;
    width: 100%;
    max-width: 380px;
    text-align: center;
}

.header h2 {
    color: var(--naranja-principal);
    margin-bottom: 30px;
    font-size: 2em;
    border-bottom: 3px solid var(--amarillo-acento);
    padding-bottom: 15px;
}

.input-group {
    text-align: left;
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.input-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 16px;
}

.btn-login {
    background-color: var(--naranja-principal);
    color: white;
    padding: 14px 25px;
    width: 100%;
    font-size: 1.1em;
    font-weight: bold;
    margin-top: 15px;
    border-radius: 6px;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.3s, transform 0.2s;
}

.btn-login:hover {
    background-color: #F57C00;
    transform: translateY(-1px);
}

/* ================================================= */
/* 3. ESTILOS DEL DASHBOARD E INVENTARIO           */
/* ================================================= */

.dashboard-main {
    padding: 30px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.description {
    color: var(--texto-claro);
    margin-bottom: 30px;
}

.inventory-module-card {
    background: var(--blanco-card);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--sombra-suave);
    border-top: 5px solid var(--naranja-principal); 
}

.inventory-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.inventory-header h2 {
    color: var(--texto-oscuro);
    font-size: 1.5em;
    margin: 0;
}

/* --- Cajas de Resumen --- */
.inventory-summary {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.summary-box {
    flex: 1;
    background-color: var(--gris-fondo);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    border-left: 5px solid var(--amarillo-acento);
}

.summary-box h3 {
    font-size: 0.9em;
    color: var(--texto-claro);
    margin: 0 0 5px 0;
}

.summary-box p {
    font-size: 2em;
    font-weight: bold;
    color: var(--naranja-principal);
    margin: 0;
}

.summary-box.alert-low {
    border-left-color: var(--naranja-principal);
}
.summary-box.alert-low p {
    color: var(--naranja-principal);
}

.summary-box.alert-expired {
    border-left-color: #D32F2F; 
}
.summary-box.alert-expired p {
    color: #D32F2F;
}

/* --- Tabla de Inventario --- */
.inventory-table-container {
    overflow-x: auto; 
}

.inventory-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.inventory-table thead th {
    background-color: var(--naranja-principal);
    color: white;
    padding: 12px 15px;
    font-weight: bold;
}

.inventory-table tbody td {
    padding: 10px 15px;
    border-bottom: 1px solid #f0f0f0;
    vertical-align: middle;
}

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

/* --- Reglas de Coloración por JavaScript --- */

/* Estilos de Texto por Vencimiento */
.ok-text-color {
    color: var(--texto-oscuro); 
    font-weight: 500;
}
.warning-text-color {
    color: #FFB300; 
    font-weight: bold;
}
.expired-text-color {
    color: #D32F2F; 
    font-weight: bold;
}

/* Coloración de la Fila (Fondo de Tabla) */
.inventory-table tbody tr[data-expiry-status="warning"] {
    background-color: #FFFDE7; 
}

.inventory-table tbody tr[data-expiry-status="expired"] {
    background-color: #FFEBEE; 
    border-left: 5px solid #D32F2F;
}

/* Botón de acción de peligro (Eliminar) */
.danger-btn {
    background-color: #D32F2F !important;
    color: white !important;
    border-color: #D32F2F !important;
}
.danger-btn:hover {
    background-color: #C62828 !important;
}

/* ================================================= */
/* 4. ESTILOS DEL CARRITO FLOTANTE Y MODAL (INDEX) */
/* ================================================= */

/* Botón Flotante */
.cart-float-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--naranja-principal);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    font-size: 1.5em;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: background-color 0.3s;
}

.cart-float-btn:hover {
    background-color: #F57C00;
}

.cart-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: #D32F2F; 
    color: white;
    border-radius: 50%;
    padding: 2px 7px;
    font-size: 0.7em;
    font-weight: bold;
}

/* Modal del Carrito */
.cart-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none; 
    justify-content: flex-end;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s;
}

.cart-modal-overlay.open {
    display: flex;
    opacity: 1;
}

.cart-modal {
    background-color: var(--blanco-card);
    width: 100%;
    max-width: 400px;
    height: 100%;
    transform: translateX(100%);
    transition: transform 0.3s ease-out;
    display: flex;
    flex-direction: column;
}

.cart-modal-overlay.open .cart-modal {
    transform: translateX(0);
}

.cart-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 2px solid var(--amarillo-acento);
}

.cart-modal-header h3 {
    margin: 0;
    color: var(--naranja-principal);
}

.close-btn {
    background: none;
    border: none;
    font-size: 2em;
    cursor: pointer;
    color: var(--texto-oscuro);
}

.cart-content {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px dashed #ddd;
}

.item-details span {
    color: var(--naranja-principal);
    font-weight: bold;
    display: block;
    margin-top: 5px;
}

.btn-remove {
    background: none;
    border: none;
    color: #D32F2F;
    cursor: pointer;
    font-size: 0.9em;
    margin-left: 10px;
}

.cart-summary {
    padding-top: 20px;
    border-top: 1px solid #ccc;
    margin-top: 20px;
}

.summary-line {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 1.1em;
}

.total-line {
    font-weight: bold;
    font-size: 1.4em;
    color: var(--naranja-principal);
}

.cart-modal-footer {
    padding: 20px;
    border-top: 1px solid #eee;
}

.btn-block {
    width: 100%;
    padding: 15px;
    font-size: 1.1em;
}