@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";
:root{--bg-primary:#f9fafb;--bg-secondary:#fff;--bg-surface:#fff;--bg-surface-hover:#f0f2f4;--bg-glass:#00000005;--bg-glass-hover:#0000000a;--header-bg:#fffc;--border-subtle:#0000000f;--border-medium:#0000001f;--border-focus:#39f;--text-primary:#0f1729;--text-secondary:#65758b;--text-tertiary:#97a3b4;--text-inverse:#fff;--consumption:#0080ff;--consumption-light:#80bfff;--consumption-dark:#06c;--consumption-bg:#0080ff1a;--consumption-gradient:linear-gradient(135deg, #0080ff, #1a40ff);--solar:#f59f0a;--solar-light:#f9c56c;--solar-dark:#c47f08;--solar-bg:#f59f0a26;--solar-gradient:linear-gradient(135deg, #f59f0a, #dc6c09);--success:#14b866;--success-bg:#14b86626;--warning:#f59f0a;--warning-bg:#f59f0a26;--danger:#e83030;--danger-bg:#e8303026;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 12px #0000000d;--shadow-lg:0 8px 32px #00000014;--shadow-glow-blue:0 0 20px #0080ff33;--shadow-glow-amber:0 0 20px #f59f0a33;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-full:9999px;--transition-fast:.15s ease;--transition-base:.25s ease;--transition-slow:.4s ease;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace;--sidebar-width:260px;--sidebar-collapsed-width:72px;--header-height:64px}.dark{--bg-primary:#080c16;--bg-secondary:#0f1524;--bg-surface:#161d2d;--bg-surface-hover:#1b2337;--bg-glass:#ffffff0a;--bg-glass-hover:#ffffff12;--header-bg:#0b0f19cc;--border-subtle:#ffffff0f;--border-medium:#ffffff1a;--border-focus:#39f;--text-primary:#f2f2f2;--text-secondary:#98a1b3;--text-tertiary:#626d84;--text-inverse:#0b111e;--consumption:#39f;--consumption-light:#80bfff;--consumption-dark:#0073e6;--consumption-bg:#3399ff1a;--consumption-gradient:linear-gradient(135deg, #39f, #4c6aff);--solar:#f6a823;--solar-light:#f9c56c;--solar-dark:#c47f08;--solar-bg:#f6a8231a;--solar-gradient:linear-gradient(135deg, #f6a823, #f5780a);--success:#17cf73;--success-bg:#17cf731a;--warning:#f6a823;--warning-bg:#f6a8231a;--danger:#eb4747;--danger-bg:#eb47471a;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 4px 12px #0000004d;--shadow-lg:0 8px 32px #0006;--shadow-glow-blue:0 0 20px #3399ff26;--shadow-glow-amber:0 0 20px #f6a82326}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;font-size:16px}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6;overflow-x:hidden}a{color:var(--consumption);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--consumption-light)}.app-layout{min-height:100vh;display:flex}.main-content{margin-left:var(--sidebar-width);padding:var(--space-8);padding-top:calc(var(--header-height) + var(--space-8));min-height:100vh;transition:margin-left var(--transition-base);flex:1}@media (max-width:768px){.main-content{padding:var(--space-4);padding-top:calc(var(--header-height) + var(--space-4));margin-left:0}}.page-header{margin-bottom:var(--space-8)}.page-title{color:var(--text-primary);margin-bottom:var(--space-2);font-size:1.75rem;font-weight:700}.page-subtitle{color:var(--text-secondary);font-size:.9rem;font-weight:400}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border-subtle);z-index:100;height:100vh;transition:transform var(--transition-base);flex-direction:column;display:flex;position:fixed;top:0;left:0}.sidebar-header{padding:var(--space-6);border-bottom:1px solid var(--border-subtle);align-items:center;gap:var(--space-3);display:flex}.sidebar-logo{border-radius:var(--radius-md);background:var(--consumption-gradient);flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:1.2rem;display:flex}.sidebar-brand{color:var(--text-primary);letter-spacing:-.02em;font-size:1.1rem;font-weight:700}.sidebar-brand-sub{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em;font-size:.7rem;font-weight:500}.sidebar-nav{padding:var(--space-4);gap:var(--space-1);flex-direction:column;flex:1;display:flex}.nav-link{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);color:var(--text-secondary);transition:all var(--transition-fast);cursor:pointer;text-align:left;background:0 0;border:none;width:100%;font-size:.9rem;font-weight:500;display:flex}.nav-link:hover{background:var(--bg-glass-hover);color:var(--text-primary)}.nav-link.active{background:var(--consumption-bg);color:var(--consumption)}.nav-link-icon{text-align:center;flex-shrink:0;width:24px;font-size:1.15rem}.sidebar-footer{padding:var(--space-4);border-top:1px solid var(--border-subtle)}.sidebar-toggle{top:var(--space-4);left:var(--space-4);z-index:200;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:var(--space-2) var(--space-3);color:var(--text-primary);cursor:pointer;font-size:1.2rem;display:none;position:fixed}@media (max-width:768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-toggle{display:block}.sidebar-overlay{z-index:99;opacity:0;pointer-events:none;transition:opacity var(--transition-base);background:#00000080;position:fixed;inset:0}.sidebar-overlay.visible{opacity:1;pointer-events:all}}.header{top:0;left:var(--sidebar-width);height:var(--header-height);background:var(--header-bg);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle);padding:0 var(--space-8);z-index:50;transition:left var(--transition-base);justify-content:space-between;align-items:center;display:flex;position:fixed;right:0}@media (max-width:768px){.header{padding:0 var(--space-4);padding-left:60px;left:0}}.header-status{align-items:center;gap:var(--space-3);color:var(--text-secondary);font-size:.85rem;display:flex}.status-dot{background:var(--success);width:8px;height:8px;box-shadow:0 0 8px var(--success);border-radius:50%;animation:2s ease-in-out infinite pulse}.status-dot.offline{background:var(--danger);box-shadow:0 0 8px var(--danger);animation:none}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.header-actions{align-items:center;gap:var(--space-4);display:flex}.card{background:var(--bg-glass);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-6);transition:all var(--transition-base)}.card:hover{border-color:var(--border-medium);box-shadow:var(--shadow-md)}.card-header{margin-bottom:var(--space-4);justify-content:space-between;align-items:center;display:flex}.card-title{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:.85rem;font-weight:500}.card-icon{font-size:1.2rem}.kpi-grid{gap:var(--space-6);margin-bottom:var(--space-8);grid-template-columns:repeat(auto-fit,minmax(220px,1fr));display:grid}.kpi-card{background:var(--bg-glass);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-6);transition:all var(--transition-base);position:relative;overflow:hidden}.kpi-card:before{content:"";background:var(--kpi-accent,var(--consumption-gradient));opacity:0;height:2px;transition:opacity var(--transition-base);position:absolute;top:0;left:0;right:0}.kpi-card:hover{border-color:var(--border-medium);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.kpi-card:hover:before{opacity:1}.kpi-card.consumption{--kpi-accent:var(--consumption-gradient)}.kpi-card.solar{--kpi-accent:var(--solar-gradient)}.kpi-card.success{--kpi-accent:linear-gradient(135deg, var(--success), #17cfb0)}.kpi-card.cost{--kpi-accent:linear-gradient(135deg, #a73cdd, #dd3cc2)}.kpi-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-3);align-items:center;gap:var(--space-2);font-size:.8rem;font-weight:500;display:flex}.kpi-value{color:var(--text-primary);letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:2rem;font-weight:700;line-height:1.2}.kpi-value.consuming{color:var(--consumption)}.kpi-value.feeding{color:var(--solar)}.kpi-unit{color:var(--text-secondary);margin-left:var(--space-1);font-size:.9rem;font-weight:400}.kpi-detail{color:var(--text-tertiary);margin-top:var(--space-2);font-size:.8rem}.chart-grid{gap:var(--space-6);margin-bottom:var(--space-8);grid-template-columns:repeat(auto-fit,minmax(480px,1fr));display:grid}@media (max-width:560px){.chart-grid{grid-template-columns:1fr}}.chart-card{background:var(--bg-glass);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-6);transition:all var(--transition-base)}.chart-card:hover{border-color:var(--border-medium)}.chart-card.full-width{grid-column:1/-1}.chart-title{color:var(--text-primary);margin-bottom:var(--space-1);font-size:.95rem;font-weight:600}.chart-subtitle{color:var(--text-tertiary);margin-bottom:var(--space-5);font-size:.8rem}.chart-wrapper{width:100%;height:280px}.chart-wrapper.tall{height:360px}.btn{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);border-radius:var(--radius-md);font-family:var(--font-family);cursor:pointer;transition:all var(--transition-fast);border:1px solid #0000;font-size:.875rem;font-weight:500;line-height:1.4;display:inline-flex}.btn-primary{background:var(--consumption-gradient);color:#fff;border-color:var(--consumption)}.btn-primary:hover{filter:brightness(1.1);box-shadow:var(--shadow-glow-blue);transform:translateY(-1px)}.btn-secondary{background:var(--bg-glass);color:var(--text-primary);border-color:var(--border-medium)}.btn-secondary:hover{background:var(--bg-glass-hover);border-color:var(--text-tertiary)}.btn-danger{background:var(--danger-bg);color:var(--danger);border-color:var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff}.btn-sm{padding:var(--space-2) var(--space-3);font-size:.8rem}.btn-lg{padding:var(--space-4) var(--space-8);font-size:1rem}.form-group{margin-bottom:var(--space-5)}.form-label{color:var(--text-secondary);margin-bottom:var(--space-2);font-size:.85rem;font-weight:500;display:block}.form-input{width:100%;padding:var(--space-3) var(--space-4);background:var(--bg-surface);border:1px solid var(--border-medium);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-family);transition:all var(--transition-fast);outline:none;font-size:.9rem}.form-input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #3399ff1a}.form-input::placeholder{color:var(--text-tertiary)}.form-hint{color:var(--text-tertiary);margin-top:var(--space-1);font-size:.75rem}.form-select{width:100%;padding:var(--space-3) var(--space-4);background:var(--bg-surface);border:1px solid var(--border-medium);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-family);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");background-position:right .5rem center;background-repeat:no-repeat;background-size:1.5em 1.5em;outline:none;font-size:.9rem}.form-select:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #3399ff1a}.login-page{background:var(--bg-primary);min-height:100vh;padding:var(--space-4);justify-content:center;align-items:center;display:flex}.login-container{width:100%;max-width:420px}.login-card{background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:var(--space-10);box-shadow:var(--shadow-lg)}.login-logo{border-radius:var(--radius-lg);background:var(--consumption-gradient);width:56px;height:56px;margin:0 auto var(--space-6);justify-content:center;align-items:center;font-size:1.6rem;display:flex}.login-title{text-align:center;margin-bottom:var(--space-2);font-size:1.5rem;font-weight:700}.login-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:var(--space-8);font-size:.9rem}.login-error{background:var(--danger-bg);border:1px solid var(--danger);border-radius:var(--radius-sm);padding:var(--space-3) var(--space-4);color:var(--danger);margin-bottom:var(--space-5);text-align:center;font-size:.85rem}.login-btn{width:100%;padding:var(--space-4);margin-top:var(--space-4);font-size:1rem}.settings-grid{gap:var(--space-6);grid-template-columns:repeat(auto-fit,minmax(380px,1fr));display:grid}@media (max-width:480px){.settings-grid{grid-template-columns:1fr}}.settings-card{background:var(--bg-glass);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-6)}.settings-card-title{margin-bottom:var(--space-6);align-items:center;gap:var(--space-3);font-size:1.1rem;font-weight:600;display:flex}.settings-row{align-items:center;gap:var(--space-4);margin-bottom:var(--space-4);display:flex}.settings-row .form-group{flex:1;margin-bottom:0}.settings-saved{align-items:center;gap:var(--space-2);color:var(--success);font-size:.85rem;font-weight:500;animation:.3s fadeIn;display:inline-flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.analytics-controls{align-items:center;gap:var(--space-4);margin-bottom:var(--space-6);flex-wrap:wrap;display:flex}.date-range-picker{align-items:center;gap:var(--space-2);display:flex}.date-range-picker .form-input{width:auto}.range-tabs{gap:var(--space-1);background:var(--bg-surface);padding:var(--space-1);border-radius:var(--radius-md);border:1px solid var(--border-subtle);display:flex}.range-tab{padding:var(--space-2) var(--space-4);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);font-size:.8rem;font-weight:500;font-family:var(--font-family);background:0 0;border:none}.range-tab:hover{color:var(--text-primary)}.range-tab.active{background:var(--consumption-bg);color:var(--consumption)}.empty-state{padding:var(--space-16) var(--space-8);text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex}.empty-state-icon{margin-bottom:var(--space-4);opacity:.3;font-size:3rem}.empty-state-title{color:var(--text-secondary);margin-bottom:var(--space-2);font-size:1.1rem;font-weight:600}.empty-state-text{color:var(--text-tertiary);max-width:400px;font-size:.9rem}.skeleton{background:linear-gradient(90deg, var(--bg-surface) 25%, var(--bg-surface-hover) 50%, var(--bg-surface) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s ease-in-out infinite shimmer}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton-text{width:60%;height:1rem;margin-bottom:var(--space-2)}.skeleton-value{width:80%;height:2.5rem}.recharts-tooltip-wrapper{outline:none!important}.custom-tooltip{background:var(--bg-surface)!important;border:1px solid var(--border-medium)!important;border-radius:var(--radius-md)!important;padding:var(--space-3) var(--space-4)!important;box-shadow:var(--shadow-lg)!important}.custom-tooltip .label{color:var(--text-secondary);margin-bottom:var(--space-2);font-size:.8rem}.custom-tooltip .value{color:var(--text-primary);font-size:.9rem;font-weight:600}.toast{bottom:var(--space-6);right:var(--space-6);background:var(--bg-surface);border:1px solid var(--border-medium);border-radius:var(--radius-md);padding:var(--space-4) var(--space-6);box-shadow:var(--shadow-lg);align-items:center;gap:var(--space-3);z-index:1000;font-size:.9rem;animation:.3s slideUp;display:flex;position:fixed}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.text-consumption{color:var(--consumption)}.text-solar{color:var(--solar)}.text-success{color:var(--success)}.text-danger{color:var(--danger)}.text-secondary{color:var(--text-secondary)}.text-center{text-align:center}.font-mono{font-family:var(--font-mono)}.mt-4{margin-top:var(--space-4)}.mt-8{margin-top:var(--space-8)}.mb-4{margin-bottom:var(--space-4)}.mb-6{margin-bottom:var(--space-6)}.flex{display:flex}.items-center{align-items:center}.gap-2{gap:var(--space-2)}.gap-4{gap:var(--space-4)}