:root{--bg-primary:#faf9f6;--bg-secondary:#f3f1ea;--bg-tertiary:#eeebe2;--surface:#fff;--surface-sunken:#f6f4ee;--text-primary:#23211c;--text-secondary:#6b6558;--text-muted:#938c7e;--accent:#b7562f;--accent-soft:#b7562f1a;--accent-hover:#9c4826;--risk-low:#3f7d53;--risk-moderate:#b0812c;--risk-high:#c0432b;--risk-extreme:#83291a;--risk-low-bg:#3f7d531a;--risk-moderate-bg:#b0812c1f;--risk-high-bg:#c0432b1a;--risk-extreme-bg:#83291a1a;--border-color:#e5e1d8;--border-strong:#d8d3c7;--shadow-sm:0 1px 2px #23211c0d;--shadow-md:0 2px 8px #23211c14;--font-sans:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-serif:Georgia, "Iowan Old Style", "Times New Roman", serif;--font-mono:ui-monospace, "SF Mono", "SFMono-Regular", Menlo, Consolas, monospace;--header-height:60px;--sidebar-width:360px;--radius:8px;--radius-sm:6px;--transition:.14s 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env(safe-area-inset-right));z-index:1000;align-items:center;display:flex;position:sticky;top:0}.navbar-brand{color:var(--text-primary);align-items:baseline;gap:10px;text-decoration:none;display:flex}.navbar-title{font-family:var(--font-serif);letter-spacing:-.01em;font-size:22px;font-weight:600}.navbar-subtitle{color:var(--text-muted);font-size:12px}.navbar-nav{align-items:center;gap:2px;margin-left:auto;display:flex}.nav-link{border-radius:var(--radius-sm);color:var(--text-secondary);transition:color var(--transition), background var(--transition);padding:7px 14px;font-size:14px;font-weight:500;text-decoration:none}.nav-link:hover{color:var(--text-primary);background:var(--bg-secondary)}.nav-link.active{color:var(--accent);background:var(--accent-soft)}.card{background:var(--surface);border:1px solid var(--border-color);border-radius:var(--radius);padding:18px;transition:transform .2s,box-shadow .2s}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.card-header{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.card-title{color:var(--text-primary);letter-spacing:.01em;font-size:13px;font-weight:600}.card-subtitle{color:var(--text-muted);margin-top:2px;font-size:12px}.risk-badge{letter-spacing:.04em;text-transform:uppercase;border-radius:4px;align-items:center;gap:6px;padding:3px 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.4s}.risk-gauge-center{text-align:center;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.risk-gauge-value{font-family:var(--font-mono);font-size:32px;font-weight:600;line-height:1}.risk-gauge-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-top:4px;font-size:11px}.btn{border-radius:var(--radius-sm);font-size:14px;font-weight:500;font-family:var(--font-sans);cursor:pointer;transition:background var(--transition), border-color var(--transition), opacity var(--transition);border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:9px 16px;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:not(:disabled):hover{background:var(--accent-hover)}.btn-ghost{background:var(--surface);color:var(--text-secondary);border-color:var(--border-strong)}.btn-ghost:not(:disabled):hover{background:var(--bg-secondary);color:var(--text-primary)}.btn-sm{padding:6px 12px;font-size:13px}.btn-lg{padding:11px 20px;font-size:15px}.form-group{flex-direction:column;gap:6px;display:flex}.form-label{color:var(--text-secondary);font-size:13px;font-weight:500}.form-input,.form-select,.form-textarea{background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-sm);color:var(--text-primary);font-size:14px;font-family:var(--font-sans);transition:border-color var(--transition), box-shadow var(--transition);outline:none;width:100%;padding:9px 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var(--border-color);border-left-width:3px;padding:16px}.advisory-card--low{background:var(--risk-low-bg);border-left-color:var(--risk-low)}.advisory-card--moderate{background:var(--risk-moderate-bg);border-left-color:var(--risk-moderate)}.advisory-card--high{background:var(--risk-high-bg);border-left-color:var(--risk-high)}.advisory-card--extreme{background:var(--risk-extreme-bg);border-left-color:var(--risk-extreme)}.advisory-title{margin-bottom:8px;font-size:15px;font-weight:600;line-height:1.35}.advisory-body{color:var(--text-secondary);margin-bottom:12px;font-size:14px;line-height:1.6}.advisory-actions{flex-direction:column;gap:6px;list-style:none;display:flex}.advisory-actions li{background:var(--surface);border:1px solid var(--border-color);border-radius:var(--radius-sm);align-items:flex-start;gap:8px;padding:8px 10px;font-size:13px;line-height:1.5;display:flex}.advisory-actions li:before{content:"→";color:var(--accent);flex-shrink:0}.advisory-actions[dir=rtl] 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var(--border-strong);background:var(--surface);color:var(--text-secondary);transition:border-color var(--transition), color var(--transition), background var(--transition);padding:5px 10px;font-size:12px}.lang-btn:hover{border-color:var(--accent);color:var(--text-primary)}.lang-btn.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.page-container{width:100%;max-width:980px;margin:0 auto;padding:32px 24px 48px}.grid-2col{grid-template-columns:repeat(auto-fit,minmax(min(100%,360px),1fr));align-items:start;gap:20px;display:grid}.page-header{margin-bottom:28px}.page-title{font-family:var(--font-serif);letter-spacing:-.01em;margin-bottom:6px;font-size:26px;font-weight:600}.page-description{color:var(--text-secondary);max-width:620px;font-size:15px;line-height:1.6}.table-container{border-radius:var(--radius);border:1px solid var(--border-color);overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--border-color);padding:10px 14px;font-size:13px}th{background:var(--surface-sunken);color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;font-size:11px;font-weight:600}td{color:var(--text-primary)}tr:last-child td{border-bottom:none}tr:hover td{background:var(--surface-sunken)}.toast-stack{z-index:2000;flex-direction:column;gap:8px;max-width:360px;display:flex;position:fixed;bottom:20px;right:20px}.toast{background:var(--surface);border:1px solid var(--border-color);border-radius:var(--radius);box-shadow:var(--shadow-md);border-left-width:3px;align-items:flex-start;gap:10px;padding:12px 14px;animation:.18s ease-out toast-in;display:flex}.toast--success{border-left-color:var(--risk-low)}.toast--error{border-left-color:var(--risk-high)}.toast--info{border-left-color:var(--accent)}.toast-title{font-size:13px;font-weight:600}.toast-message{color:var(--text-secondary);margin-top:2px;font-size:13px;line-height:1.45}.notice{border:1px solid 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(max-width:768px){.main-content{flex-direction:column}.side-panel{border-left:none;border-top:1px solid var(--border-color);width:100%;max-height:62dvh;padding-bottom:calc(18px + env(safe-area-inset-bottom))}.basin-list{-webkit-overflow-scrolling:touch;scrollbar-width:none;flex-direction:row;gap:8px;max-width:100%;padding:10px 14px;position:relative;top:auto;left:auto;overflow-x:auto}.basin-list::-webkit-scrollbar{display:none}.basin-card{flex-shrink:0;min-width:240px}.map-container{min-height:48dvh}.grid-2col{grid-template-columns:1fr}.navbar{padding:0 14px;padding-left:max(14px, env(safe-area-inset-left));padding-right:max(14px, env(safe-area-inset-right))}.navbar-nav{gap:0}.nav-link{min-height:40px;padding:8px 10px;font-size:13px}.navbar-subtitle,.feedback-text{display:none}.impact-grid{grid-template-columns:repeat(2,1fr)}.mobile-back-btn{display:flex}.lang-btn{padding:6px 11px;font-size:12px}}@media (max-width:480px){.navbar-title{font-size:18px}.basin-card{min-width:200px;padding:10px 12px}.basin-name{font-size:13px}.card{padding:14px}.page-container{padding:20px 14px 36px}.page-title{font-size:22px}.impact-grid{grid-template-columns:1fr 1fr;gap:6px}.impact-value{font-size:18px}.advisory-title{font-size:14px}.advisory-body{font-size:13px}}@media (max-height:500px) and (orientation:landscape) and (max-width:900px){.main-content{flex-direction:row}.side-panel{border-top:none;border-left:1px solid var(--border-color);width:46%;max-width:340px;max-height:none}.map-container{min-height:calc(100dvh - var(--header-height))}.basin-list{flex-direction:column;max-width:200px;position:absolute;top:10px;left:10px;overflow-x:visible}.mobile-back-btn{display:flex}}.maplibregl-popup-content{background:var(--surface)!important;border:1px solid var(--border-color)!important;border-radius:var(--radius)!important;color:var(--text-primary)!important;box-shadow:var(--shadow-md)!important;font-family:var(--font-sans)!important;padding:12px 14px!important;font-size:13px!important}.maplibregl-popup-tip{border-top-color:var(--surface)!important}.maplibregl-ctrl-group{overflow:hidden;background:var(--surface)!important;border:1px solid var(--border-color)!important;border-radius:var(--radius-sm)!important;box-shadow:var(--shadow-sm)!important}.maplibregl-ctrl-group button+button{border-top:1px solid var(--border-color)!important}.maplibregl-ctrl-attrib{background:#fffc!important;font-size:10px!important}.mobile-back-btn{background:var(--surface);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;align-items:center;gap:6px;margin-bottom:8px;padding:8px 14px;font-size:13px;display:none}.advisory-chat-toggle{background:var(--surface);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;width:100%;transition:background var(--transition), color var(--transition);align-items:center;gap:6px;margin-top:12px;padding:8px 12px;font-size:12px;display:flex}.advisory-chat-toggle:hover{background:var(--bg-secondary);color:var(--text-primary)}.advisory-chat{border-top:1px solid var(--border-color);margin-top:12px;padding-top:12px}.chat-thread{flex-direction:column;gap:8px;max-height:280px;margin-bottom:10px;padding-right:4px;display:flex;overflow-y:auto}.chat-bubble{border-radius:var(--radius-sm);word-break:break-word;max-width:85%;padding:8px 12px;font-size:13px;line-height:1.5}.chat-bubble--user{background:var(--accent-soft);color:var(--text-primary);border:1px solid #b7562f33;align-self:flex-end}.chat-bubble--ai{background:var(--surface);color:var(--text-secondary);border:1px solid var(--border-color);align-self:flex-start}.chat-input-row{gap:6px;display:flex}.chat-input-row input{border:1px solid var(--border-strong);border-radius:var(--radius-sm);font-size:13px;font-family:var(--font-sans);background:var(--surface);color:var(--text-primary);outline:none;flex:1;padding:8px 10px}.chat-input-row input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.chat-remaining{color:var(--text-muted);text-align:center;margin-top:6px;font-size:11px}.auth-overlay{z-index:1000;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.auth-modal{background:var(--surface);border:1px solid var(--border-color);border-radius:var(--radius);width:90%;max-width:400px;box-shadow:var(--shadow-lg);padding:20px;position:relative}.auth-modal-close{color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);z-index:1;background:0 0;border:none;justify-content:center;align-items:center;min-width:36px;min-height:36px;padding:0;font-size:24px;line-height:1;display:flex;position:absolute;top:10px;right:10px}.auth-modal-close:hover{color:var(--text-primary);background:var(--bg-secondary)}.auth-tabs{border-bottom:1px solid var(--border-color);gap:20px;margin-bottom:20px;padding-bottom:10px;display:flex}.auth-tab{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;padding:0;font-size:15px;font-weight:500}.auth-tab.active{color:var(--text-primary);border-bottom:2px solid var(--accent)}.auth-form{flex-direction:column;gap:12px;display:flex}.auth-error{color:var(--risk-high);border-radius:var(--radius-sm);background:#c0432b1a;padding:8px;font-size:12px}.user-menu{align-items:center;gap:10px;display:flex;position:relative}.user-avatar{background:var(--accent);color:#fff;cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;font-weight:700;display:flex}.user-dropdown{background:var(--surface);border:1px solid var(--border-color);border-radius:var(--radius-sm);box-shadow:var(--shadow-md);z-index:100;min-width:150px;padding:8px 0;position:absolute;top:40px;right:0}.user-dropdown-item{text-align:left;width:100%;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;padding:8px 16px;font-size:13px;display:block}.user-dropdown-item:hover{background:var(--bg-secondary);color:var(--text-primary)}.onboarding-splash{background:var(--bg-primary);z-index:2000;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.onboarding-content{background:var(--surface);border:1px solid var(--border-color);border-radius:var(--radius);width:100%;max-width:480px;box-shadow:var(--shadow-md);padding:40px 32px;position:relative}.onboarding-close{color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);background:0 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