@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap');

:root {
  --bg-color: #0f172a;
  --surface-color: #1e293b;
  --primary-color: #3b82f6;
  --secondary-color: #8b5cf6;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --border-color: rgba(255, 255, 255, 0.1);
  --success: #10b981;
  --danger: #ef4444;
}

body { margin: 0; font-family: 'Outfit', sans-serif; background-color: var(--bg-color); color: var(--text-primary); }
.app-layout { display: flex; min-height: 100vh; }

.sidebar { width: 260px; background: rgba(30, 41, 59, 0.8); backdrop-filter: blur(20px); border-right: 1px solid var(--border-color); display: flex; flex-direction: column; }
.brand { padding: 2rem; display: flex; align-items: center; gap: 1rem; border-bottom: 1px solid var(--border-color); }
.logo { height: 40px; border-radius: 8px; box-shadow: 0 0 15px rgba(59, 130, 246, 0.5); }
.brand-text { font-size: 1.5rem; font-weight: 800; background: linear-gradient(to right, var(--primary-color), var(--secondary-color)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

.nav-menu { padding: 2rem 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.nav-btn { background: transparent; border: none; color: var(--text-secondary); padding: 1rem; text-align: left; font-size: 1.1rem; border-radius: 8px; cursor: pointer; transition: all 0.3s; font-family: inherit; font-weight: 600; }
.nav-btn:hover { background: rgba(255, 255, 255, 0.05); color: white; }
.nav-btn.active { background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(139,92,246,0.2)); color: white; border-left: 4px solid var(--primary-color); }

.main-content { flex: 1; display: flex; flex-direction: column; }
.topbar { padding: 2rem 3rem; border-bottom: 1px solid var(--border-color); }
.topbar h1 { margin: 0; font-size: 1.8rem; }

.tab-content { display: none; padding: 3rem; flex: 1; }
.tab-content.active { display: block; }

.glass-panel { background: rgba(30, 41, 59, 0.5); backdrop-filter: blur(10px); border: 1px solid var(--border-color); border-radius: 12px; padding: 2rem; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2); }
.panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 1rem; text-align: left; border-bottom: 1px solid rgba(255, 255, 255, 0.05); }
.data-table th { color: var(--text-secondary); font-size: 0.9rem; text-transform: uppercase; border-bottom: 1px solid var(--border-color); }
.data-table tr:hover { background: rgba(255, 255, 255, 0.02); }

.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.kpi-card { text-align: center; }
.kpi-card h3 { margin: 0 0 1rem 0; color: var(--text-secondary); font-size: 1.1rem; }
.kpi-value { font-size: 3rem; font-weight: 800; color: white; }
.kpi-card.highlight .kpi-value { background: linear-gradient(to right, #10b981, #34d399); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

.chart-container { height: 400px; width: 100%; }

.btn-primary { background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)); color: white; border: none; padding: 0.75rem 1.5rem; border-radius: 8px; font-weight: 600; cursor: pointer; transition: transform 0.2s; }
.btn-primary:hover { transform: translateY(-2px); }

.status-toggle { cursor: pointer; padding: 0.5rem 1rem; border-radius: 50px; border: none; font-weight: bold; }
.status-toggle.on { background: rgba(16, 185, 129, 0.2); color: var(--success); }
.status-toggle.off { background: rgba(239, 68, 68, 0.2); color: var(--danger); }

select.printer-select { background: var(--bg-color); color: white; border: 1px solid var(--border-color); padding: 0.5rem; border-radius: 6px; outline: none; font-family: inherit; }

/* Modal Configuración */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.7); backdrop-filter: blur(10px); display: flex; justify-content: center; align-items: center; z-index: 1000; }
.modal-overlay.hidden { display: none !important; }
.modal-content { max-width: 900px; width: 95%; max-height: 90vh; overflow-y: auto; }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.modal-header h2 { margin: 0; }
.close-btn { background: transparent; border: none; color: var(--text-secondary); font-size: 1.5rem; cursor: pointer; transition: color 0.3s; }
.close-btn:hover { color: var(--danger); }

.config-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 1.5rem; }
.config-section { background: rgba(0,0,0,0.2); padding: 1.5rem; border-radius: 12px; border: 1px solid rgba(255,255,255,0.05); }
.config-section h3 { margin-top: 0; font-size: 1.2rem; margin-bottom: 1.5rem; padding-bottom: 0.5rem; color: white; border-bottom: 1px solid rgba(255,255,255,0.05); }
.config-section label { display: block; margin-bottom: 0.5rem; font-size: 0.9rem; color: var(--text-secondary); }
.config-section input[type="text"], .config-section input[type="password"], .config-section select { width: 100%; padding: 0.75rem; background: var(--bg-color); border: 1px solid var(--border-color); border-radius: 8px; color: white; margin-bottom: 1rem; box-sizing: border-box; font-family: inherit; transition: border-color 0.3s; }
.config-section input:focus, .config-section select:focus { border-color: var(--primary-color); outline: none; }

.logo-preview-container { border: 1px dashed var(--border-color); padding: 1rem; text-align: center; margin-bottom: 1rem; border-radius: 8px; background: rgba(0,0,0,0.1); min-height: 60px; display: flex; justify-content: center; align-items: center; }
.logo-preview-container img { max-height: 60px; max-width: 100%; border-radius: 4px; }

.color-pickers { display: flex; gap: 1rem; }
.color-pickers > div { flex: 1; }
.color-pickers input[type="color"] { width: 100%; height: 45px; border: none; border-radius: 8px; cursor: pointer; background: transparent; padding: 0; box-sizing: border-box; }
.color-pickers input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
.color-pickers input[type="color"]::-webkit-color-swatch { border: 1px solid var(--border-color); border-radius: 8px; }

.modal-footer { display: flex; justify-content: flex-end; gap: 1rem; margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.05); }
.btn-secondary { background: rgba(255,255,255,0.05); border: 1px solid transparent; color: var(--text-secondary); padding: 0.75rem 1.5rem; border-radius: 8px; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.btn-secondary:hover { background: rgba(255,255,255,0.1); color: white; }