:root{--bg-primary: #0B1120;--bg-card: #162032;--bg-card-hover: #1E2D45;--accent-primary: #06B6D4;--accent-secondary: #2AACB8;--success: #10B981;--warning: #F59E0B;--danger: #EF4444;--text-primary: #F1F5F9;--text-secondary: #94A3B8;--border-color: #1E2D45;--font-heading: "Chakra Petch", sans-serif;--font-body: "Nunito Sans", sans-serif;--touch-target: 48px}[data-theme=light]{--bg-primary: #F8FAFC;--bg-card: #FFFFFF;--bg-card-hover: #F1F5F9;--accent-primary: #06B6D4;--accent-secondary: #2AACB8;--success: #10B981;--warning: #F59E0B;--danger: #EF4444;--text-primary: #0B1120;--text-secondary: #64748B;--border-color: #E2E8F0}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;width:100%;font-family:var(--font-body);background-color:var(--bg-primary);color:var(--text-primary)}.app{height:100vh;display:flex;flex-direction:column;overflow:hidden}.header{padding:16px 20px;background:linear-gradient(135deg,var(--bg-card) 0%,var(--bg-card-hover) 100%);border-bottom:2px solid var(--border-color);display:flex;align-items:center;gap:12px;flex-shrink:0}.header img{height:40px;width:auto}.header-title{font-family:var(--font-heading);font-size:24px;font-weight:700;letter-spacing:-.5px}.content{flex:1;overflow-y:auto;overflow-x:hidden;padding:16px 16px 110px}.content::-webkit-scrollbar{width:6px}.content::-webkit-scrollbar-track{background:var(--bg-primary)}.content::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}.nav-bar{position:fixed;bottom:0;left:0;right:0;height:90px;padding-bottom:env(safe-area-inset-bottom,0px);background:linear-gradient(to top,var(--bg-card) 0%,var(--bg-card-hover) 100%);border-top:2px solid var(--border-color);display:flex;justify-content:space-around;align-items:center;z-index:1000}.nav-item{flex:1;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;cursor:pointer;border:none;background:none;color:var(--text-secondary);font-size:14px;font-weight:600;font-family:var(--font-body);transition:all .2s ease;min-height:64px}.nav-item:hover{color:var(--accent-primary)}.nav-item.active{color:var(--accent-primary);text-shadow:0 0 10px rgba(6,182,212,.3)}.nav-icon{font-size:32px;height:32px;width:32px}.card{background:var(--bg-card);border:2px solid var(--border-color);border-radius:12px;padding:16px;margin-bottom:12px;transition:all .2s ease}.card:hover{border-color:var(--accent-primary);background:var(--bg-card-hover)}.card.active{border-color:var(--accent-primary);box-shadow:0 0 20px #06b6d433,inset 0 0 20px #06b6d40d}.card-title{font-family:var(--font-heading);font-size:16px;font-weight:600;margin-bottom:8px;display:flex;align-items:center;justify-content:space-between;gap:8px}.card-subtitle{font-size:12px;color:var(--text-secondary);margin-bottom:8px}.card-value{font-family:var(--font-heading);font-size:28px;font-weight:700;margin:8px 0;letter-spacing:-1px}.card-row{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:8px 0}button{font-family:var(--font-body);border:none;border-radius:8px;padding:12px 16px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;min-height:var(--touch-target);display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-primary{background:var(--accent-primary);color:#0b1120;border:2px solid var(--accent-primary)}.btn-primary:hover{background:var(--accent-secondary);border-color:var(--accent-secondary);transform:translateY(-2px);box-shadow:0 4px 12px #06b6d44d}.btn-secondary{background:transparent;color:var(--text-primary);border:2px solid var(--border-color)}.btn-secondary:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.btn-danger{background:var(--danger);color:#fff;border:2px solid var(--danger)}.btn-danger:hover{opacity:.9;transform:translateY(-2px)}.btn-success{background:var(--success);color:#fff;border:2px solid var(--success)}.btn-success:hover{opacity:.9;transform:translateY(-2px)}.btn-sm{padding:8px 12px;font-size:12px;min-height:auto}.btn-icon{width:var(--touch-target);height:var(--touch-target);padding:0;border-radius:8px;font-size:18px}button:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.fuel-bar{height:24px;background:var(--bg-primary);border:2px solid var(--border-color);border-radius:8px;overflow:hidden;margin:8px 0;position:relative}.fuel-fill{height:100%;background:linear-gradient(90deg,#ef4444,#f59e0b,#10b981);transition:width .3s ease}.fuel-text{font-family:var(--font-heading);font-size:12px;font-weight:600;color:var(--text-secondary);margin-top:4px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}.grid-1{display:grid;grid-template-columns:1fr;gap:12px;margin-bottom:12px}@media (max-width: 768px){.grid-2{grid-template-columns:1fr}}select,input,textarea{font-family:var(--font-body);background:var(--bg-card);color:var(--text-primary);border:2px solid var(--border-color);border-radius:8px;padding:10px 12px;font-size:14px;transition:border-color .2s ease}select:focus,input:focus,textarea:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 8px #06b6d433}select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2306B6D4' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 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var(--border-color);display:flex;align-items:center;justify-content:center}.form-group{margin-bottom:16px}.form-label{display:block;font-family:var(--font-heading);font-size:12px;font-weight:600;text-transform:uppercase;color:var(--text-secondary);margin-bottom:6px;letter-spacing:.5px}.form-input{width:100%;display:block}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-row .form-group{margin-bottom:0}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 8px;border-radius:6px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.badge-active{background:#06b6d433;color:var(--accent-primary);border:1px solid var(--accent-primary)}.badge-success{background:#10b98133;color:var(--success);border:1px solid var(--success)}.badge-danger{background:#ef444433;color:var(--danger);border:1px solid var(--danger)}.badge-warning{background:#f59e0b33;color:var(--warning);border:1px solid var(--warning)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;z-index:2000;display:flex;justify-content:center;align-items:flex-end;animation:fadeIn .2s ease}.modal-content{background:var(--bg-card);width:100%;max-width:600px;border-radius:16px 16px 0 0;padding:24px;max-height:90vh;overflow-y:auto;animation:slideUp .3s ease}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:12px}.modal-title{font-family:var(--font-heading);font-size:20px;font-weight:700}.modal-close{background:transparent;color:var(--text-secondary);border:none;font-size:24px;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;min-height:auto}.modal-close:hover{color:var(--text-primary)}.modal-buttons{display:flex;gap:12px;margin-top:24px}.modal-buttons button{flex:1}.confirm-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;z-index:2500;display:flex;justify-content:center;align-items:center;animation:fadeIn .2s ease}.confirm-box{background:var(--bg-card);border:2px solid var(--border-color);border-radius:12px;padding:24px;max-width:400px;width:90%;text-align:center;animation:slideUp .2s ease}.confirm-title{font-family:var(--font-heading);font-size:18px;font-weight:700;margin-bottom:12px}.confirm-message{font-size:14px;color:var(--text-secondary);margin-bottom:24px}.confirm-buttons{display:flex;gap:12px}.confirm-buttons button{flex:1}.toast-container{position:fixed;bottom:90px;left:50%;transform:translate(-50%);z-index:3000;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}.toast{background:var(--bg-card);color:var(--text-primary);padding:12px 20px;border-radius:8px;border:2px solid var(--border-color);animation:toastSlide .3s ease;max-width:90vw;white-space:nowrap}.toast.success{border-color:var(--success);box-shadow:0 0 12px #10b98133}.toast.error{border-color:var(--danger);box-shadow:0 0 12px #ef444433}.toast.warning{border-color:var(--warning);box-shadow:0 0 12px #f59e0b33}.toggle-switch{width:48px;height:24px;background:var(--bg-primary);border:2px solid var(--border-color);border-radius:12px;cursor:pointer;position:relative;transition:all .2s ease;flex-shrink:0}.toggle-switch.active{background:var(--accent-primary);border-color:var(--accent-primary)}.toggle-knob{position:absolute;top:2px;left:2px;width:16px;height:16px;background:#fff;border-radius:50%;transition:left .2s ease}.toggle-switch.active .toggle-knob{left:26px}.alarm-card{transition:all .2s ease}.alarm-card.alarming{animation:alarm-flash .5s ease infinite;border-color:var(--danger)!important}.oil-progress{position:relative;height:32px;background:var(--bg-primary);border:2px solid var(--border-color);border-radius:8px;overflow:hidden;margin:8px 0}.oil-progress-fill{height:100%;transition:width .3s ease;display:flex;align-items:center;justify-content:center;color:#0b1120;font-weight:600;font-size:12px}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;margin-top:16px}.section-title{font-family:var(--font-heading);font-size:14px;font-weight:600;text-transform:uppercase;color:var(--text-secondary);letter-spacing:1px}.empty-state{text-align:center;padding:40px 20px;color:var(--text-secondary)}.empty-icon{font-size:64px;margin-bottom:16px;opacity:.5}.empty-title{font-family:var(--font-heading);font-size:18px;font-weight:600;margin-bottom:8px;color:var(--text-primary)}.empty-text{font-size:14px;margin-bottom:20px}.button-group{display:flex;gap:8px;margin-top:12px}.button-group button{flex:1}.inline-edit{display:flex;align-items:center;gap:8px;justify-content:flex-end}.inline-edit input{width:60px;padding:4px 8px;font-size:12px}.inline-edit-label{font-size:12px;color:var(--text-secondary)}.help-text{font-size:12px;color:var(--text-secondary);margin-top:4px}.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg-primary);overflow-y:auto}.auth-card{background:var(--bg-card);border:2px solid var(--border-color);border-radius:16px;padding:32px;width:100%;max-width:400px}.auth-logo{text-align:center;margin-bottom:24px}.auth-logo img{height:64px}.auth-title{font-family:var(--font-heading);font-size:28px;font-weight:700;color:var(--accent-primary);text-align:center;margin-bottom:8px}.auth-subtitle{color:var(--text-secondary);text-align:center;font-size:14px;margin-bottom:32px}.auth-divider{display:flex;align-items:center;gap:12px;margin:20px 0;color:var(--text-secondary);font-size:12px}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border-color)}.auth-error{color:var(--danger);font-size:13px;margin-top:8px;text-align:center}.loading-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);flex-direction:column;gap:16px}.loading-spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes toastSlide{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes alarm-flash{0%,to{border-color:var(--danger);box-shadow:0 0 20px #ef44444d}50%{border-color:#0b1120;box-shadow:0 0 20px #ef44440d}}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 480px){.header{padding:12px 16px}.header img{height:32px}.header-title{font-size:20px}.content{padding:12px 12px 110px}.card{padding:12px;margin-bottom:10px}.card-value{font-size:24px}.card-title{font-size:14px}button{font-size:13px;padding:10px 12px}.grid-2{grid-template-columns:1fr;gap:10px}.form-row{grid-template-columns:1fr}.modal-content{padding:16px}}