@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Escala Eléctrica */
    --elec-50: #F0F7FF;
    --elec-100: #E6F2FF;
    --elec-200: #CCE5FF;
    --elec-300: #99CCFF;
    --elec-500: #1A82FF; /* Corazón del sistema */
    --elec-600: #1569CC;
    --elec-800: #0D407F;
    --elec-900: #072140;

    /* Neutros con tinte frío */
    --neutral-50: #F8FAFC;
    --neutral-100: #F1F5F9;
    --neutral-200: #E2E8F0;
    --neutral-300: #CBD5E1;
    --neutral-600: #475569;
    --neutral-800: #1E293B;
    --neutral-900: #0F172A;

    /* Semánticos */
    --success: #10B981; /* Verde esmeralda */
    --danger: #EF4444;  /* Rojo alertas */
    --warning: #F59E0B; /* Amarillo recepciones */
    --info: var(--elec-500);

    /* UI Constants */
    --bg-color: var(--neutral-50);
    --card-bg: #ffffff;
    --text-primary: var(--neutral-900);
    --text-secondary: var(--neutral-600);
    --nav-width: 280px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.12);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.app-container {
    display: flex;
    padding: 2rem;
    gap: 2rem;
    max-width: 1800px;
    margin: 0 auto;
}

/* Sidebar - Deep Electric */
aside {
    width: var(--nav-width);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.logo-container {
    background: var(--elec-900);
    padding: 0 1.5rem;
    height: 100px; /* Nivelado con el header */
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-container span {
    font-weight: 700;
    font-size: 1.25rem;
    color: white;
}

nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Formularios Premium */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-top: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--neutral-600);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

input, select, textarea {
    padding: 0.65rem 1rem;
    border: 1px solid var(--neutral-200);
    border-radius: 10px;
    font-size: 0.85rem;
    font-family: inherit;
    background: white;
    transition: var(--transition);
    color: var(--neutral-900);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--elec-500);
    box-shadow: 0 0 0 4px rgba(26, 130, 255, 0.1);
    background: white;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--neutral-100);
}

nav ul li a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    color: var(--neutral-600);
    text-decoration: none;
    border-radius: 16px;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    font-weight: 600;
    border: 1px solid var(--neutral-200);
}

nav ul li a:hover, nav ul li a.active {
    color: var(--elec-500);
    border-color: var(--elec-200);
    background: var(--elec-50);
    transform: translateX(4px);
}

nav ul li a.active {
    background: var(--elec-100);
    color: var(--elec-800);
    border-color: var(--elec-300);
}

/* Main Content */
main {
    flex: 1;
}

header {
    background: var(--card-bg);
    padding: 0 2rem;
    height: 100px; /* Altura incrementada para mayor estética */
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    margin-bottom: 2.5rem; /* Ajustado para nivelar con el primer item del menú */
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--neutral-200);
}

h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--elec-900);
}

/* Cards */
.glass-card {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--neutral-200);
}

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

.stat-card {
    padding: 1.5rem;
    border-bottom: 4px solid var(--neutral-200);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--elec-900);
}

/* Estilo Planilla de Cálculo Premium */
.table-container {
    overflow-x: auto;
    overflow-y: auto;
    max-height: 550px; /* Limita la altura a aprox 7-8 filas */
    margin-top: -1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--neutral-200) transparent;
}

.table-container::-webkit-scrollbar {
    width: 6px;
}

.table-container::-webkit-scrollbar-thumb {
    background-color: var(--neutral-200);
    border-radius: 10px;
}

table thead th {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--neutral-50) !important;
    box-shadow: 0 1px 0 var(--neutral-200);
}

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

thead th {
    text-align: left;
    padding: 0.75rem 1rem;
    color: var(--neutral-400);
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--neutral-200);
}

.th-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

tbody td {
    padding: 0.75rem 1rem;
    background: transparent;
    border-bottom: 1px solid var(--neutral-100);
    font-size: 0.85rem;
    transition: var(--transition);
}

tbody tr:hover td {
    background: var(--neutral-50);
}

/* Identificadores y Nombres (Estilo Planilla) */
.row-id {
    color: #ff4d22; /* Naranja MetalFlow */
    font-weight: 800;
    font-size: 0.9rem;
}

.row-main-text {
    color: #1e40af; /* Azul MetalFlow */
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.row-secondary-text {
    color: var(--neutral-600);
}

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

/* Botones de Acción Estilo Imagen */
.action-btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: var(--neutral-100);
    color: var(--neutral-500);
    border: 1px solid var(--neutral-200);
    transition: var(--transition);
}

.action-btn-ghost:hover {
    background: white;
    color: var(--elec-500);
    box-shadow: var(--shadow-sm);
    border-color: var(--elec-200);
}

/* Indicadores de Estado (Dots) */
.status-dot {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--neutral-800);
}

.dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
}

.dot-ok { background: var(--success); }
.dot-low { background: var(--warning); }
.dot-none { background: var(--danger); }

/* Fila de Alerta sutil */
tr.alert-row td {
    background: rgba(239, 68, 68, 0.02);
}
tr.alert-row:hover td {
    background: rgba(239, 68, 68, 0.05);
}

/* Buttons */
.btn {
    padding: 0.875rem 1.75rem;
    border-radius: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: var(--elec-500);
    color: white;
}

.btn-primary:hover {
    background: var(--elec-600);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(26, 130, 255, 0.3);
}

/* Badges */
.badge {
    padding: 0.5rem 1rem;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    border: 1px solid transparent;
}

.badge-ok { background: #DCFCE7; color: var(--success); }
.badge-low { background: #FEF3C7; color: var(--warning); }
.badge-none { background: #FEE2E2; color: var(--danger); }

/* Badges de Pedidos */
.badge-borrador { background: #fff7ed; color: #c2410c; border-color: #ffedd5; }
.badge-enviada { background: #eff6ff; color: #1d4ed8; border-color: #dbeafe; }
.badge-recibida { background: #ecfdf5; color: #047857; border-color: #d1fae5; }
.badge-cancelada { background: #fef2f2; color: #b91c1c; border-color: #fee2e2; }

/* Progress Bar Custom */
#progress-bar {
    background: linear-gradient(to right, var(--elec-300), var(--elec-500));
}