:root{--geo-blue:#38bdf8;--geo-teal:#2dd4bf;--geo-panel:rgba(5,25,50,.86)}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:#f8fbff}.geo-shell{width:min(1160px,calc(100% - 32px));margin:42px auto 54px}.geo-heading,.card-head,.direction-card,.explanation-card{display:flex;align-items:center;justify-content:space-between;gap:22px}.eyebrow,.section-label{display:block;color:#67e8f9;font-size:12px;font-weight:900;letter-spacing:.12em}.geo-heading{align-items:flex-end;margin-bottom:24px}.geo-heading h1,h2{margin:7px 0 0;color:#fff;font-weight:900}.geo-heading h1{font-size:clamp(30px,5vw,44px);line-height:1.1}.geo-heading p{max-width:640px;margin:12px 0 0;color:#d2e6f8;line-height:1.75}.model-badge,.hemisphere-badge{flex:0 0 auto;border:1px solid rgba(103,232,249,.38);border-radius:999px;background:rgba(13,148,136,.16);color:#d4fffb;padding:8px 12px;font-size:13px;font-weight:800}.geo-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(290px,.75fr);gap:20px}.panel-card{border:1px solid rgba(154,203,234,.2);border-radius:26px;background:var(--geo-panel);box-shadow:0 20px 48px rgba(2,8,22,.24);backdrop-filter:blur(14px)}.flow-card,.control-card{padding:22px}.card-head h2,.control-card h2{font-size:21px}.flow-stage{position:relative;overflow:hidden;height:350px;margin-top:18px;border:1px solid rgba(103,232,249,.2);border-radius:18px;background:linear-gradient(90deg,#0a3157,#075064)}#flow-canvas{display:block;width:100%;height:100%}.height-label,.gradient-label{position:absolute;border:1px solid rgba(207,250,254,.25);border-radius:9px;background:rgba(4,20,40,.62);color:#e6fcff;padding:6px 8px;font-size:11px;font-weight:800;pointer-events:none}.height-label--west{left:13px;bottom:13px}.height-label--east{right:13px;top:13px}.gradient-label{right:13px;bottom:13px;color:#b9f8f1}.flow-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:13px}.flow-summary div{padding:10px;border:1px solid rgba(103,232,249,.15);border-radius:11px;background:rgba(10,50,78,.38)}.flow-summary span{display:block;color:#b8d7e8;font-size:11px}.flow-summary strong{display:block;margin-top:5px;color:#fff;font-size:14px}.control-card{display:flex;flex-direction:column}.control-group{margin-top:27px}.control-group label{display:flex;justify-content:space-between;gap:12px;font-weight:800}.control-group output{color:#67e8f9}.control-group input{width:100%;margin:14px 0 0;accent-color:#2dd4bf}.control-group p{margin:9px 0 0;color:#b5cede;font-size:13px;line-height:1.6}.fixed-condition{display:grid;gap:5px;margin-top:25px;padding:14px;border:1px solid rgba(45,212,191,.24);border-radius:14px;background:rgba(13,148,136,.13)}.fixed-condition strong{color:#e3fffb;font-size:14px}.fixed-condition small{color:#b5cede}#reset-button{width:100%;margin-top:auto;padding:12px;border:1px solid rgba(45,212,191,.5);border-radius:11px;background:rgba(13,148,136,.26);color:#eaffff;font:inherit;font-size:13px;font-weight:800;cursor:pointer}#reset-button:hover{background:rgba(13,148,136,.48)}.direction-card{margin-top:20px;padding:25px 28px}.direction-card p{margin:9px 0 0;color:#bed5e8;font-size:14px;line-height:1.65}.direction-result{display:grid;grid-template-columns:auto auto;align-items:center;column-gap:9px;white-space:nowrap}.direction-result span{grid-row:1/3;color:#5eead4;font-size:62px;line-height:.85}.direction-result strong{color:#fff;font-size:28px}.direction-result small{color:#a8c9dd}.equation{display:flex;align-items:center;gap:7px;color:#cef6ff;font-family:Georgia,serif;font-size:18px}.fraction{display:inline-flex;flex-direction:column;align-items:center;line-height:1.1}.fraction b:first-child{padding:0 4px 2px;border-bottom:1px solid #cef6ff}.explanation-card{align-items:flex-start;margin-top:20px;padding:22px 28px}.explanation-card p{max-width:720px;margin:0;color:#cedeea;line-height:1.8}.explanation-card strong{color:#86efef}
html[data-site-theme="light"] .geo-shell{color:#172033}html[data-site-theme="light"] .geo-heading h1,html[data-site-theme="light"] h2{color:#0f172a}html[data-site-theme="light"] .geo-heading p,html[data-site-theme="light"] .control-group p,html[data-site-theme="light"] .direction-card p,html[data-site-theme="light"] .explanation-card p{color:#475569}html[data-site-theme="light"] .eyebrow,html[data-site-theme="light"] .section-label,html[data-site-theme="light"] .control-group output{color:#0f766e}html[data-site-theme="light"] .model-badge,html[data-site-theme="light"] .hemisphere-badge{border-color:#99f6e4;background:#f0fdfa;color:#115e59}html[data-site-theme="light"] .panel-card{background:rgba(255,255,255,.96);border-color:#d6dfed;box-shadow:0 16px 38px rgba(15,23,42,.08)}html[data-site-theme="light"] .flow-summary div{border-color:#ccfbf1;background:#f0fdfa}html[data-site-theme="light"] .flow-summary span,html[data-site-theme="light"] .fixed-condition small{color:#475569}html[data-site-theme="light"] .flow-summary strong,html[data-site-theme="light"] .fixed-condition strong,html[data-site-theme="light"] .direction-result strong{color:#134e4a}html[data-site-theme="light"] .fixed-condition{border-color:#99f6e4;background:#f0fdfa}html[data-site-theme="light"] #reset-button{border-color:#0f766e;background:#0f766e;color:#fff}html[data-site-theme="light"] .direction-result span,html[data-site-theme="light"] .equation{color:#0f766e}html[data-site-theme="light"] .fraction b:first-child{border-color:#0f766e}html[data-site-theme="light"] .direction-result small{color:#475569}html[data-site-theme="light"] .explanation-card strong{color:#0f766e}
@media(max-width:850px){.geo-heading,.direction-card{align-items:flex-start;flex-direction:column}.geo-grid{grid-template-columns:1fr}.equation{justify-content:flex-start}}@media(max-width:540px){.geo-shell{width:min(100% - 20px,1160px);margin-top:24px}.flow-card,.control-card{padding:17px}.flow-stage{height:300px}.flow-summary{grid-template-columns:1fr}.direction-card,.explanation-card{padding:20px}.gradient-label{left:13px;right:auto}.direction-result span{font-size:52px}}html[data-graphics-quality="low"] .panel-card{backdrop-filter:none;box-shadow:none}
.simulation-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:16px}.simulation-actions button{padding:12px;border:1px solid rgba(45,212,191,.5);border-radius:11px;background:rgba(13,148,136,.26);color:#eaffff;font:inherit;font-size:13px;font-weight:800;cursor:pointer}.simulation-actions button:hover{background:rgba(13,148,136,.48)}html[data-site-theme="light"] .simulation-actions button{border-color:#0f766e;background:#0f766e;color:#fff}@media(max-width:540px){.simulation-actions{grid-template-columns:1fr}}
.direction-result strong{transform:translateY(8px)}