@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap";:root{--primary:#003b7e;--primary-light:#0056b3;--primary-dark:#002d5f;--primary-gradient:linear-gradient(135deg, #003b7e 0%, #0056b3 100%);--primary-soft:#e8f0fe;--primary-muted:#b3cde8;--bg-page:#eaf0f7;--bg-card:#ffffffd9;--text-dark:#0d1b2a;--text-muted:#5a6a7e;--border-light:#d0dae5;--border-card:#003b7e14;--glass-border:#fff6;--success:#0b8457;--success-bg:#e6f7ef;--success-border:#a3e4c4;--danger:#d32f2f;--danger-bg:#fde8e8;--danger-border:#f5b7b7;--info:#0056b3;--info-bg:#e8f0fe;--info-border:#b3cde8;--warning-bg:#fff8e1;--warning-border:#ffe082;--warning:#e68a00;--shadow-card:0 4px 20px #003b7e0f, 0 2px 8px #003b7e0a;--shadow-md:0 4px 16px #003b7e1a, 0 2px 6px #003b7e0f;--shadow-lg:0 10px 30px #003b7e14;--shadow-btn:0 4px 14px #003b7e40;--sans:"Inter", system-ui, -apple-system, sans-serif;--heading:"Inter", system-ui, -apple-system, sans-serif;--radius:18px;--radius-sm:12px;--radius-lg:24px}.dark-mode{--primary:#3b82f6;--primary-light:#60a5fa;--primary-dark:#1e3a8a;--primary-gradient:linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);--primary-soft:#3b82f626;--primary-muted:#60a5fa;--bg-page:#030e21;--bg-card:#ffffff0a;--text-dark:#f8fafc;--text-muted:#94a3b8;--border-light:#ffffff14;--border-card:#ffffff0a;--glass-border:#ffffff14;--success:#10b981;--success-bg:#10b9811f;--success-border:#10b98140;--danger:#ef4444;--danger-bg:#ef44441f;--danger-border:#ef444440;--info:#3b82f6;--info-bg:#3b82f61f;--info-border:#3b82f640;--warning-bg:#f59e0b1f;--warning-border:#f59e0b40;--warning:#f59e0b;--shadow-card:0 8px 32px #0000004d, inset 0 1px 1px #ffffff0d;--shadow-md:0 12px 40px #0006;--shadow-lg:0 16px 48px #00000080;--shadow-btn:0 4px 14px #3b82f640}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{font-family:var(--sans);background-color:var(--bg-page);color:var(--text-dark);min-height:100vh;font-size:20px;line-height:1.6;transition:background-color .3s,color .3s}body.dark-mode{background:radial-gradient(circle at top,#0a192f 0%,#020c1b 100%) no-repeat fixed}.app-container{background-color:var(--bg-page);max-width:500px;min-height:100vh;box-shadow:var(--shadow-lg);flex-direction:column;margin:0 auto;padding-bottom:90px;transition:background-color .3s,box-shadow .3s;display:flex;position:relative}.app-container.dark-mode{background:linear-gradient(#0a192f 0%,#020c1b 100%);box-shadow:0 20px 50px #000c}.app-header{background:var(--primary-gradient);z-index:10;justify-content:space-between;align-items:center;padding:22px 20px;transition:background .3s;display:flex;position:sticky;top:0;box-shadow:0 4px 20px #00000026}.header-title{font-family:var(--heading);color:#fff;letter-spacing:-.3px;font-size:24px;font-weight:800}.header-actions{gap:12px;display:flex}.header-btn{-webkit-backdrop-filter:blur(8px);cursor:pointer;color:#fff;background:#ffffff26;border:1px solid #fff3;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;padding:4px;font-size:24px;transition:all .2s;display:flex}.header-btn:hover{background:#ffffff40;transform:scale(1.05)}.app-content{flex:1;padding:16px}h1,h2,h3,h4{font-family:var(--heading);color:var(--text-dark);margin-bottom:12px;transition:color .3s}h2{margin-bottom:16px;font-size:28px;font-weight:700}.card,.glass-card{background:var(--bg-card);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--radius);box-shadow:var(--shadow-card);flex-direction:column;margin-bottom:16px;padding:20px;transition:all .3s;display:flex}.card:active,.glass-card:active{transform:scale(.99)}.card-title{font-family:var(--heading);margin-bottom:8px;font-size:20px;font-weight:700}.card-floor2{border-left:5px solid #f59e0b}.card-roof{border-left:5px solid #7c3aed}.card-internet{border-left:5px solid #0284c7}.card-water{border-left:5px solid #0891b2}.card-total{border-left:5px solid var(--success)}.form-group{margin-bottom:24px}.form-label{color:var(--text-dark);margin-bottom:8px;font-size:18px;font-weight:700;transition:color .3s;display:block}.form-input{width:100%;height:60px;font-size:20px;font-family:var(--sans);background-color:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-sm);color:var(--text-dark);outline:none;padding:12px 16px;transition:all .25s}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 4px #3b82f626}.form-input::placeholder{color:var(--text-muted);opacity:.7}.form-hint{color:var(--text-muted);margin-top:6px;font-size:16px;font-weight:500}.btn{height:56px;font-size:18px;font-weight:700;font-family:var(--heading);border-radius:var(--radius-sm);cursor:pointer;-webkit-user-select:none;user-select:none;letter-spacing:-.2px;border:none;justify-content:center;align-items:center;gap:8px;width:100%;padding:0 24px;transition:all .2s;display:inline-flex}.btn:active{transform:scale(.98)}.btn-primary{background:var(--primary-gradient);color:#fff;box-shadow:var(--shadow-btn)}.btn-primary:hover{background:var(--primary-gradient);opacity:.9;box-shadow:0 6px 20px #3b82f659}.btn-primary:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.btn-secondary{background-color:var(--bg-card);border:1px solid var(--border-light);color:var(--primary);font-weight:800}.btn-secondary:hover{background-color:var(--primary-soft);border-color:var(--primary)}.dark-mode .btn-secondary{color:#fff;background-color:#ffffff0d;border:1px solid #ffffff26}.dark-mode .btn-secondary:hover{background-color:#ffffff1a;border-color:#ffffff40}.btn-success{color:#fff;background:linear-gradient(135deg,#10b981 0%,#059669 100%);box-shadow:0 4px 14px #10b9814d}.btn-danger{background-color:var(--danger);color:#fff}.btn-whatsapp{color:#fff;background:linear-gradient(135deg,#10b981 0%,#059669 100%);box-shadow:0 4px 14px #10b9814d}.btn-whatsapp:hover{opacity:.95}.btn-copy{background:var(--primary-gradient);color:#fff}.wizard-header{margin-bottom:24px}.wizard-steps{color:var(--text-muted);justify-content:space-between;margin-bottom:12px;font-size:16px;font-weight:700;display:flex}.wizard-progress{background-color:var(--border-light);border-radius:4px;height:8px;overflow:hidden}.wizard-progress-bar{background:var(--primary-gradient);border-radius:4px;height:100%;transition:width .3s}.wizard-title-large{font-family:var(--heading);color:var(--text-dark);margin-top:16px;font-size:24px;font-weight:700}.wizard-navigation{gap:12px;margin-top:24px;display:flex}.alert{border-radius:var(--radius-sm);border:1px solid #0000;flex-direction:column;gap:4px;margin-bottom:16px;padding:16px;font-size:17px;display:flex}.alert-danger{background-color:var(--danger-bg);border-color:var(--danger-border);color:var(--danger)}.alert-warning{background-color:var(--warning-bg);border-color:var(--warning-border);color:var(--warning)}.alert-info{background-color:var(--info-bg);border-color:var(--info-border);color:var(--info)}.alert-success{background-color:var(--success-bg);border-color:var(--success-border);color:var(--success)}.tab-bar{background-color:var(--bg-card);border-top:1px solid var(--border-light);z-index:10;-webkit-backdrop-filter:blur(16px);justify-content:space-around;align-items:center;height:80px;transition:background-color .3s,border-color .3s;display:flex;position:absolute;bottom:0;left:0;right:0;box-shadow:0 -4px 20px #0000000d}.tab-item{height:100%;color:var(--text-muted);cursor:pointer;font-family:var(--heading);background:0 0;border:none;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:4px;font-size:13px;font-weight:600;transition:color .2s;display:flex;position:relative}.tab-item.active{color:var(--primary);font-weight:800}.tab-item.active:before{content:"";background:var(--primary-gradient);border-radius:0 0 4px 4px;height:3px;position:absolute;top:0;left:20%;right:20%}.tab-icon{font-size:24px}.login-screen{max-width:500px;min-height:100vh;box-shadow:var(--shadow-lg);background:linear-gradient(165deg,#001f4d 0%,#003b7e 45%,#0062cc 100%);flex-direction:column;justify-content:center;margin:0 auto;padding:32px 24px;display:flex}.dashboard-hello{margin-bottom:24px;padding:8px 0}.dashboard-hello-title{color:var(--text-dark);font-size:26px;font-weight:700}.dashboard-hello-subtitle{color:var(--text-muted);font-size:18px}.stat-grid{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px;display:grid}.stat-box{background-color:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius);box-shadow:var(--shadow-card);flex-direction:column;gap:4px;padding:16px;display:flex}.stat-value{font-family:var(--heading);color:var(--text-dark);font-size:22px;font-weight:700}.stat-label{color:var(--text-muted);font-size:15px;font-weight:600}.bill-row{background-color:var(--bg-card);border:1px solid var(--border-card);cursor:pointer;box-shadow:var(--shadow-card);border-radius:14px;justify-content:space-between;align-items:center;margin-bottom:12px;padding:16px;transition:all .2s;display:flex}.bill-row:active{border-color:var(--primary-muted);box-shadow:var(--shadow-md)}.bill-info{flex-direction:column;gap:4px;display:flex}.bill-name{font-family:var(--heading);font-size:18px;font-weight:700}.bill-date-text{color:var(--text-muted);font-size:15px;font-weight:500}.bill-amount-badge{flex-direction:column;align-items:flex-end;gap:4px;display:flex}.bill-price{font-family:var(--heading);font-size:18px;font-weight:700}.status-badge{text-transform:uppercase;border-radius:6px;padding:2px 8px;font-size:13px;font-weight:700}.status-paid{background-color:var(--success-bg);color:var(--success)}.status-unpaid{background-color:var(--danger-bg);color:var(--danger)}.summary-grid{flex-direction:column;gap:12px;margin:16px 0;display:flex}.summary-item{border-bottom:1px solid var(--border-light);justify-content:space-between;padding:8px 0;font-size:18px;display:flex}.summary-item-label{color:var(--text-muted);font-weight:500}.summary-item-value{color:var(--text-dark);font-weight:700}.summary-item.grand-total{border-bottom:none;border-top:2px dashed var(--border-light);padding-top:16px;font-size:24px}.summary-item.grand-total .summary-item-label{color:var(--text-dark);font-weight:700}.summary-item.grand-total .summary-item-value{color:var(--primary)}.share-message-box{background-color:var(--primary-soft);border:1px solid var(--border-light);border-radius:var(--radius-sm);white-space:pre-wrap;color:var(--text-dark);margin:12px 0;padding:16px;font-family:monospace;font-size:15px}.switch-container{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;padding:16px 0;display:flex}.switch-label{font-size:18px;font-weight:700}.switch{width:60px;height:34px;display:inline-block;position:relative}.switch input{opacity:0;width:0;height:0}.slider{cursor:pointer;background-color:#cbd5e1;border-radius:34px;transition:all .3s;position:absolute;inset:0}.slider:before{content:"";background-color:#fff;border-radius:50%;width:26px;height:26px;transition:all .3s;position:absolute;bottom:4px;left:4px;box-shadow:0 2px 4px #00000026}input:checked+.slider{background:var(--primary-gradient)}input:checked+.slider:before{transform:translate(26px)}.modal-overlay{z-index:100;opacity:0;pointer-events:none;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background-color:#0009;justify-content:center;align-items:flex-end;transition:opacity .2s;display:flex;position:fixed;inset:0}.modal-overlay.show{opacity:1;pointer-events:auto}.modal-content{background-color:var(--bg-page);border-top:3px solid var(--primary);border-top-left-radius:24px;border-top-right-radius:24px;width:100%;max-width:500px;max-height:90vh;padding:24px 20px 40px;transition:transform .25s ease-out;overflow-y:auto;transform:translateY(100%)}.modal-overlay.show .modal-content{transform:translateY(0)}.modal-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.modal-title{font-family:var(--heading);font-size:22px;font-weight:700}.modal-close-btn{cursor:pointer;color:var(--text-muted);background:0 0;border:none;font-size:28px}.svg-chart-container{background-color:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius);box-shadow:var(--shadow-card);margin-bottom:16px;padding:16px 12px}.svg-chart-title{font-family:var(--heading);text-align:center;margin-bottom:12px;font-size:18px;font-weight:700}.toast-container{z-index:1000;pointer-events:none;flex-direction:column;gap:8px;width:calc(100% - 32px);max-width:400px;display:flex;position:fixed;top:24px;left:50%;transform:translate(-50%)}.toast{border-radius:var(--radius-sm);background:var(--bg-card);color:var(--text-dark);box-shadow:var(--shadow-lg);border-left:5px solid var(--primary);border-right:1px solid var(--border-light);border-top:1px solid var(--border-light);border-bottom:1px solid var(--border-light);align-items:center;gap:10px;padding:16px 20px;font-size:16px;font-weight:600;animation:.25s ease-out slideInDown;display:flex}.toast-success{border-left-color:var(--success)}.toast-error{border-left-color:var(--danger)}.toast-info{border-left-color:var(--primary)}@keyframes slideInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.d-flex{display:flex}.gap-8{gap:8px}.gap-12{gap:12px}.flex-1{flex:1}.flex-column{flex-direction:column}.mt-12{margin-top:12px}.mt-24{margin-top:24px}.align-center{align-items:center}.justify-between{justify-content:space-between}