/* ESTILOS GLOBALES - MAQINV: REGISTRO & BALANCE */
:root {
    --bg-dark: #1e222d;
    --bg-sidebar: #131722;
    --sidebar-hover: #2a2e3d;
    --primary-accent: #d32f2f;
    --primary-accent-hover: #b71c1c;
    --secondary-accent: #2563eb;
    --text-light: #f8fafc;
    --text-muted: #94a3b8;
    --bg-light: #f1f5f9;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-light);
    color: #1e293b;
    min-height: 100vh;
}

/* Pantalla de Login */
#login-screen {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    background: linear-gradient(135deg, var(--bg-sidebar) 0%, var(--bg-dark) 100%);
    display: flex; justify-content: center; align-items: center;
    z-index: 2000;
}

.login-box {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 16px;
    width: 100%; max-width: 420px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
    text-align: center;
}

.login-logo {
    font-size: 32px; font-weight: 800;
    color: var(--primary-accent);
    margin-bottom: 8px;
    display: flex; align-items: center; justify-content: center; gap: 10px;
}

.login-subtitle {
    color: #64748b; font-size: 14px; margin-bottom: 24px;
}

.login-box .input-group {
    margin-bottom: 18px; text-align: left;
}

.login-box label {
    display: block; font-size: 13px; font-weight: 600; color: #475569; margin-bottom: 6px;
}

.login-box input {
    width: 100%; padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px; font-size: 15px; outline: none; transition: all 0.2s;
}

.login-box input:focus {
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.15);
}

.btn-login {
    background-color: var(--primary-accent);
    color: white; border: none; padding: 14px;
    width: 100%; border-radius: 8px; cursor: pointer;
    font-size: 16px; font-weight: 700; transition: background 0.2s; margin-top: 10px;
}

.btn-login:hover { background-color: var(--primary-accent-hover); }

.error-msg {
    color: var(--danger);
    display: none;
    margin-top: 14px;
    font-size: 13px;
    font-weight: 600;
}

/* Layout Principal */
#app-screen {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar Navigation */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    color: var(--text-light);
    display: flex; flex-direction: column; flex-shrink: 0;
}

.brand {
    padding: 24px 20px;
    font-size: 22px; font-weight: 800;
    color: var(--primary-accent);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex; align-items: center; gap: 12px;
}

.brand span { color: var(--text-light); }

.nav-menu { list-style: none; padding: 20px 0; flex: 1; }

.nav-item {
    padding: 14px 24px; cursor: pointer; transition: all 0.2s;
    display: flex; align-items: center; gap: 12px; font-weight: 500;
    color: var(--text-muted); border-left: 4px solid transparent;
}

.nav-item:hover {
    background-color: var(--sidebar-hover);
    color: var(--text-light);
}

.nav-item.active {
    background-color: var(--bg-dark);
    color: var(--text-light);
    border-left-color: var(--primary-accent);
    font-weight: 600;
}

.nav-item i { width: 20px; text-align: center; font-size: 16px; }

.user-info {
    padding: 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex; align-items: center; justify-content: space-between;
}

.user-details { display: flex; align-items: center; gap: 10px; }

.avatar {
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--primary-accent);
    display: flex; align-items: center; justify-content: center;
    font-weight: bold; color: white;
}

.user-name { font-weight: 700; font-size: 14px; }
.user-role { font-size: 11px; color: var(--text-muted); }

.logout-btn { color: #ef4444; cursor: pointer; font-size: 18px; transition: opacity 0.2s; }
.logout-btn:hover { opacity: 0.8; }

/* Contenido Principal */
.main-content {
    flex: 1; padding: 28px 36px; overflow-y: auto;
}

.header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 24px; flex-wrap: wrap; gap: 16px;
}

.header h1 { font-size: 26px; font-weight: 800; color: #0f172a; }

/* Selector Global de Divisa */
.currency-bar {
    background: #ffffff;
    border: 1px solid var(--border-color);
    padding: 8px 16px; border-radius: 10px;
    display: flex; align-items: center; gap: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.currency-bar label {
    font-size: 13px; font-weight: 700; color: #475569;
    display: flex; align-items: center; gap: 6px;
}

.currency-bar select, .currency-bar input {
    padding: 6px 12px; border: 1px solid var(--border-color);
    border-radius: 6px; font-size: 13px; font-weight: 700; outline: none;
    background-color: #f8fafc;
}

.currency-bar select {
    color: var(--primary-accent);
    background-color: #fef2f2;
    border-color: #fca5a5;
}

.rate-label, .rate-unit { font-size: 12px; color: #64748b; font-weight: 600; }
.currency-bar input { width: 85px; }

/* Secciones */
.section-view { display: none; }
.section-view.active { display: block; }

/* Panel de Filtros Dashboard */
.filter-card {
    background: var(--card-bg); padding: 20px 24px; border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05); border: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.filter-title {
    font-size: 14px; font-weight: 700; color: #475569;
    text-transform: uppercase; letter-spacing: 0.5px;
    margin-bottom: 14px; display: flex; align-items: center; gap: 8px;
}

.filter-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px;
}

.filter-group { display: flex; flex-direction: column; gap: 6px; }
.filter-group label { font-size: 12px; font-weight: 600; color: #64748b; }
.filter-group select, .filter-group input {
    padding: 10px 12px; border: 1px solid var(--border-color);
    border-radius: 8px; font-size: 14px; background-color: #f8fafc;
    color: #334155; outline: none; transition: border 0.2s;
}

.filter-group select:focus, .filter-group input:focus {
    border-color: var(--primary-accent); background: #fff;
}

.filter-margin { margin-bottom: 20px; }

/* Tarjetas KPI */
.kpi-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px; margin-bottom: 24px;
}

.kpi-card {
    background: var(--card-bg); padding: 22px; border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05); border: 1px solid var(--border-color);
    display: flex; justify-content: space-between; align-items: center;
}

.kpi-info h3 {
    font-size: 13px; font-weight: 600; color: #64748b;
    text-transform: uppercase; margin-bottom: 6px;
}

.kpi-info .value { font-size: 24px; font-weight: 800; color: #0f172a; }

.kpi-icon {
    width: 48px; height: 48px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center; font-size: 20px;
}

.kpi-icon.red { background-color: #fee2e2; color: #dc2626; }
.kpi-icon.blue { background-color: #dbeafe; color: #2563eb; }
.kpi-icon.green { background-color: #dcfce7; color: #16a34a; }
.kpi-icon.amber { background-color: #fef3c7; color: #d97706; }

/* Contenedores de Gráficos */
.charts-grid-top { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; margin-bottom: 24px; }
.charts-grid-bottom { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px; }

@media (max-width: 1024px) {
    .charts-grid-top, .charts-grid-bottom { grid-template-columns: 1fr; }
    .main-content { padding: 20px; }
    #app-screen { flex-direction: column; height: auto; overflow: visible; }
    .sidebar { width: 100%; height: auto; }
}

.chart-card {
    background: var(--card-bg); padding: 22px; border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05); border: 1px solid var(--border-color);
}

.chart-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.chart-header h2 { font-size: 16px; font-weight: 700; color: #1e293b; }

/* Formulario y Tablas */
.card-box {
    background: var(--card-bg); padding: 24px; border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05); border: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.card-box h2 { font-size: 18px; font-weight: 700; margin-bottom: 16px; color: #0f172a; }

.form-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px; margin-bottom: 20px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full-width { margin-bottom: 20px; }
.form-group label { font-size: 13px; font-weight: 600; color: #475569; }
.form-group input, .form-group select, .form-group textarea {
    padding: 10px 12px; border: 1px solid var(--border-color);
    border-radius: 8px; font-size: 14px; outline: none; transition: border 0.2s;
}

.form-group input:focus, .form-group select:focus { border-color: var(--primary-accent); }

.btn-group { display: flex; gap: 10px; }

.btn-action {
    background-color: var(--primary-accent); color: white; border: none;
    padding: 11px 20px; border-radius: 8px; cursor: pointer; font-weight: 600;
    display: inline-flex; align-items: center; gap: 8px; transition: background 0.2s; font-size: 14px;
}

.btn-action:hover { background-color: var(--primary-accent-hover); }

.btn-action.btn-secondary {
    background-color: #64748b; display: none;
}
.btn-action.btn-secondary:hover { background-color: #475569; }

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

table { width: 100%; border-collapse: separate; border-spacing: 0; }
th {
    background-color: #f8fafc; color: #475569; font-weight: 700;
    font-size: 12px; text-transform: uppercase; padding: 14px; text-align: left;
    border-bottom: 1px solid var(--border-color);
}
td { padding: 14px; border-bottom: 1px solid var(--border-color); font-size: 14px; color: #334155; }
tr:last-child td { border-bottom: none; }
tr:hover td { background-color: #f8fafc; }

.badge {
    padding: 4px 10px; border-radius: 20px; font-size: 12px; font-weight: 700; display: inline-block;
}
.badge-mantenimiento { background-color: #dbeafe; color: #1e40af; }
.badge-reparacion { background-color: #fee2e2; color: #991b1b; }
.badge-cat { background-color: #f1f5f9; color: #334155; border: 1px solid var(--border-color); }
.badge-taller { background-color: #fef3c7; color: #92400e; border: 1px solid #fde68a; }

.btn-icon {
    background: none; border: none; cursor: pointer; font-size: 15px;
    padding: 6px; border-radius: 6px; transition: background 0.2s;
}
.btn-icon.edit { color: var(--secondary-accent); }
.btn-icon.edit:hover { background-color: #eff6ff; }
.btn-icon.delete { color: var(--danger); }
.btn-icon.delete:hover { background-color: #fef2f2; }

/* Utilitarios */
.text-right { text-align: right; }
.empty-state { text-align: center; padding: 40px; color: var(--text-muted); font-style: italic; }

.info-note {
    background-color: #eff6ff; border-left: 4px solid var(--secondary-accent);
    padding: 10px 14px; border-radius: 6px; font-size: 13px; color: #1e40af;
    display: flex; align-items: center; gap: 8px; margin-bottom: 16px;
}