:root{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;--color-text-primary: #1f2937;--color-text-secondary: #475569;--color-text-muted: #334155;--color-text-heading: #111827;--color-text-label: #374151;--color-text-inverse: #ffffff;--color-primary: #0f766e;--color-primary-strong: #115e59;--color-primary-soft: #0ea5a4;--color-primary-bright: #14b8a6;--color-primary-rgb: 15, 118, 110;--color-primary-soft-rgb: 13, 148, 136;--color-secondary: #f0fdfa;--color-secondary-rgb: 240, 253, 250;--color-accent: #b45309;--color-surface-base: #ffffff;--color-surface-base-rgb: 255, 255, 255;--color-surface-muted: #f8fafc;--color-surface-warm: #fff7ed;--color-surface-highlight: #fef3c7;--color-surface-danger: #fef2f2;--color-surface-danger-rgb: 254, 242, 242;--color-border-neutral: #d1d5db;--color-border-subtle: #94a3b8;--color-border-subtle-rgb: 148, 163, 184;--color-shadow: #0f172a;--color-shadow-rgb: 15, 23, 42;--color-success: #115e59;--color-error: #991b1b;--color-error-soft: #f87171;--color-error-soft-rgb: 248, 113, 113;color:var(--color-text-primary);background:radial-gradient(circle at top,var(--color-surface-highlight),var(--color-surface-warm) 35%,var(--color-surface-muted) 70%);line-height:1.5;font-weight:400}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}#app{min-height:100vh}.page{min-height:100vh;display:grid;place-items:center;padding:24px}.card{width:min(100%,520px);padding:48px 32px;border-radius:24px;background:rgba(var(--color-surface-base-rgb),.88);border:1px solid rgba(var(--color-surface-base-rgb),.9);box-shadow:0 20px 60px rgba(var(--color-shadow-rgb),.12)}.card--centered{text-align:center}.eyebrow{margin:0 0 12px;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;color:var(--color-accent)}h1,h2{margin:0}h1{font-size:clamp(2.5rem,7vw,4rem)}h2{margin-top:12px;font-size:clamp(2rem,6vw,3.25rem);font-weight:600;color:var(--color-primary)}.button-row{margin-top:28px;display:flex;justify-content:center}.button-row--split{gap:12px;flex-wrap:wrap}.button{border:0;border-radius:999px;padding:14px 24px;font:inherit;font-weight:600;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease}.button:hover{transform:translateY(-1px)}.button:focus-visible{outline:3px solid rgba(var(--color-primary-soft-rgb),.28);outline-offset:3px}.button--primary{color:var(--color-text-inverse);background:linear-gradient(135deg,var(--color-primary),var(--color-primary-soft));box-shadow:0 14px 30px rgba(var(--color-primary-rgb),.24)}.button--primary:hover{background:linear-gradient(135deg,var(--color-primary-strong),var(--color-primary))}.button--secondary{color:var(--color-primary);background:rgba(var(--color-secondary-rgb),.95);border:1px solid rgba(var(--color-primary-rgb),.2)}.button--secondary:hover{background:var(--color-surface-base)}.button--ghost{color:var(--color-text-secondary);background:rgba(var(--color-surface-base-rgb),.72);border:1px solid rgba(var(--color-border-subtle-rgb),.35)}.button--ghost:hover{background:rgba(var(--color-surface-base-rgb),.95)}.form{display:grid;gap:20px}.label{display:block;margin-bottom:10px;font-weight:600;color:var(--color-text-label)}.textarea{width:100%;min-height:220px;resize:vertical;border:1px solid var(--color-border-neutral);border-radius:18px;padding:18px;font:inherit;color:var(--color-text-heading);background:rgba(var(--color-surface-base-rgb),.95)}.textarea:focus{outline:3px solid rgba(var(--color-primary-soft-rgb),.18);border-color:var(--color-primary-soft)}.input{width:100%;border:1px solid var(--color-border-neutral);border-radius:18px;padding:14px 16px;font:inherit;color:var(--color-text-heading);background:rgba(var(--color-surface-base-rgb),.95)}.input:focus{outline:3px solid rgba(var(--color-primary-soft-rgb),.18);border-color:var(--color-primary-soft)}.home-copy{margin:18px auto 0;max-width:30rem;color:var(--color-text-secondary)}.home-actions{margin-top:28px;display:flex;justify-content:center}.home-actions--stacked{gap:12px;flex-wrap:wrap}.previous-scenarios-card{width:min(100%,720px)}.previous-scenarios-header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.previous-scenarios-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end}.previous-scenarios-title{font-size:clamp(2rem,5vw,3rem)}.previous-scenarios-empty{margin-top:28px}.previous-scenarios-list{margin-top:28px;display:grid;gap:14px}.previous-scenario-item{width:100%;border:1px solid rgba(var(--color-primary-rgb),.18);border-radius:20px;padding:18px 20px;font:inherit;text-align:left;color:var(--color-shadow);background:rgba(var(--color-surface-base-rgb),.9);cursor:pointer;transition:transform .16s ease,background-color .16s ease,box-shadow .16s ease}.previous-scenario-item:hover{transform:translateY(-1px);background:rgba(var(--color-secondary-rgb),.96);box-shadow:0 12px 28px rgba(var(--color-shadow-rgb),.08)}.previous-scenario-item:focus-visible{outline:3px solid rgba(var(--color-primary-soft-rgb),.2);outline-offset:3px}.previous-scenario-item__name{display:block;font-weight:700}.home-form{margin-top:28px;text-align:left}.home-form--editor{padding-top:28px;margin-top:28px;border-top:1px solid rgba(var(--color-border-subtle-rgb),.2)}.status-message{margin:20px 0 0;padding:14px 16px;border-radius:16px;text-align:left}.status-message--success{color:var(--color-success);background:rgba(var(--color-secondary-rgb),.88);border:1px solid rgba(var(--color-primary-rgb),.18)}.status-message--error{color:var(--color-error);background:rgba(var(--color-surface-danger-rgb),.92);border:1px solid rgba(var(--color-error-soft-rgb),.22)}.scenario-layout{height:100vh;min-height:0;overflow:hidden;display:grid;grid-template-columns:96px minmax(0,1fr) minmax(0,1fr);gap:24px;padding:24px}.scenario-tools{height:100%;min-height:0;display:flex;flex-direction:column;align-items:center;gap:16px}.scenario-tool-button{width:100%;border:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;font:inherit;padding:18px 10px;text-decoration:none;color:var(--color-primary);border-radius:28px;background:rgba(var(--color-surface-base-rgb),.82);border:1px solid rgba(var(--color-surface-base-rgb),.9);box-shadow:0 20px 60px rgba(var(--color-shadow-rgb),.12);cursor:pointer;transition:transform .16s ease,background-color .16s ease,box-shadow .16s ease}.scenario-tool-button:hover{transform:translateY(-1px);background:rgba(var(--color-surface-base-rgb),.96)}.scenario-tool-button:focus-visible{outline:3px solid rgba(var(--color-primary-soft-rgb),.28);outline-offset:3px}.scenario-tool-button__icon{font-size:64px;line-height:1}.scenario-tool-button__label{font-size:.76rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.scenario-tools>:nth-child(1) .scenario-tool-button__icon,.scenario-tools>:nth-child(2) .scenario-tool-button__icon,.scenario-tools>:nth-child(3) .scenario-tool-button__icon,.scenario-tools>:nth-child(4) .scenario-tool-button__icon,.scenario-tools>:nth-child(1) .scenario-tool-button__label,.scenario-tools>:nth-child(2) .scenario-tool-button__label,.scenario-tools>:nth-child(3) .scenario-tool-button__label,.scenario-tools>:nth-child(4) .scenario-tool-button__label{font-size:0}.scenario-tools>:nth-child(1) .scenario-tool-button__icon:before{content:"⌂"}.scenario-tools>:nth-child(2) .scenario-tool-button__icon:before{content:"↓"}.scenario-tools>:nth-child(3) .scenario-tool-button__icon:before{content:"☰"}.scenario-tools>:nth-child(4) .scenario-tool-button__icon:before{content:"🗑︎"}.scenario-tools>:nth-child(1) .scenario-tool-button__label:after{content:"홈"}.scenario-tools>:nth-child(2) .scenario-tool-button__label:after{content:"저장"}.scenario-tools>:nth-child(3) .scenario-tool-button__label:after{content:"목록"}.scenario-tools>:nth-child(4) .scenario-tool-button__label:after{content:"삭제"}.scenario-tool-button__icon:before{font-size:64px;line-height:1}.scenario-tool-button__label:after{font-size:.76rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.scenario-sidebar{height:100%;min-height:0;display:grid;grid-template-rows:minmax(0,1fr) minmax(0,1fr);gap:24px}.panel{min-height:0;display:flex;flex-direction:column;padding:32px;border-radius:24px;background:rgba(var(--color-surface-base-rgb),.88);border:1px solid rgba(var(--color-surface-base-rgb),.9);box-shadow:0 20px 60px rgba(var(--color-shadow-rgb),.12)}.scenario-panel{height:100%;min-height:0;overflow:hidden}.panel-header{margin-bottom:0}.panel-title{margin:0;font-size:clamp(1.9rem,3vw,2.8rem);color:var(--color-text-heading);text-align:center}.panel-title--editable{border-radius:14px;cursor:text;outline:none}.panel-title--editable:focus-visible{box-shadow:0 0 0 3px rgba(var(--color-primary-soft-rgb),.18)}.panel-title--editing{min-height:1.3em;padding:4px 8px;background:rgba(var(--color-secondary-rgb),.9)}.panel-title--small{font-size:clamp(1.45rem,2.4vw,2rem)}.panel-body{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;border-radius:20px;border:1px dashed rgba(var(--color-primary-rgb),.3);background:rgba(var(--color-secondary-rgb),.7);padding:24px}.panel-copy{margin:0;max-width:100%;text-align:center;color:var(--color-text-muted);font-size:1.05rem}.conversation-panel{gap:20px}.conversation-thread{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:18px;justify-content:flex-start;padding:8px 6px 8px 0}.scenario-summary{padding:18px 20px;border-radius:20px;background:rgba(var(--color-secondary-rgb),.9);border:1px solid rgba(var(--color-primary-rgb),.2)}.scenario-summary__label,.scenario-summary__text{margin:0}.scenario-summary__label{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--color-primary)}.scenario-summary__text{margin-top:8px;color:var(--color-text-primary);line-height:1.55}.message-row{display:flex;justify-content:flex-start}.message-row--user{justify-content:flex-end}.message-bubble{position:relative;width:75%;padding:18px 20px;border-radius:22px;box-shadow:0 12px 28px rgba(var(--color-shadow-rgb),.08);cursor:pointer;transition:transform .16s ease,box-shadow .16s ease}.message-bubble:hover{transform:translateY(-1px)}.message-bubble:focus-visible{outline:3px solid rgba(var(--color-primary-soft-rgb),.2);outline-offset:3px}.message-bubble--other{background:var(--color-surface-base);border-top-left-radius:10px;color:var(--color-text-primary)}.message-bubble--user{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-bright));border-top-right-radius:10px;color:var(--color-text-inverse);padding-right:78px}.message-bubble--editing{cursor:text}.message-action-button{position:absolute;top:14px;z-index:2;border:0;border-radius:999px;padding:6px 10px;font:inherit;font-size:.72rem;font-weight:700;letter-spacing:.04em;color:var(--color-primary);background:rgba(var(--color-surface-base-rgb),.92);cursor:pointer}.message-action-button--edit,.message-action-button--retry{right:16px}.message-action-button:hover{background:var(--color-surface-base)}.message-action-button:focus-visible{outline:3px solid rgba(var(--color-surface-base-rgb),.35);outline-offset:2px}.message-label,.message-text{margin:0}.message-label{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;opacity:.72}.message-text{margin-top:8px;font-size:1.6rem;line-height:1.45;white-space:pre-wrap}.message-text--editable{min-height:1.6em;outline:none}.conversation-input-wrap{margin-top:auto;padding-top:4px}.conversation-input{width:100%;border:1px solid var(--color-border-neutral);border-radius:18px;padding:16px 18px;font:inherit;color:var(--color-text-heading);background:rgba(var(--color-surface-base-rgb),.96);box-shadow:inset 0 1px 2px rgba(var(--color-shadow-rgb),.04)}.conversation-input:focus{outline:3px solid rgba(var(--color-primary-soft-rgb),.18);border-color:var(--color-primary-soft)}.help-panel,.analysis-panel{gap:20px;overflow:hidden}.analysis-thread{flex:1;min-height:0;overflow-y:auto;padding-right:6px}.analysis-entry{border-radius:20px;background:rgba(var(--color-surface-base-rgb),.92)}.analysis-label{margin:0;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--color-primary)}.analysis-label--result{margin-top:16px}.analysis-source,.analysis-text{margin:8px 0 0;color:var(--color-text-primary);line-height:1.6;white-space:pre-wrap}.analysis-empty{margin-top:16px}.help-thread{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:18px;padding-right:6px}.help-entry{padding:18px 20px;border-radius:20px;background:rgba(var(--color-secondary-rgb),.75);border:1px solid rgba(var(--color-primary-rgb),.18)}.help-label{margin:0;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--color-primary)}.help-label--response{margin-top:16px}.help-text{margin:8px 0 0;color:var(--color-text-primary);line-height:1.5}@media(max-width:900px){.scenario-layout{height:auto;overflow:visible;grid-template-columns:1fr}.scenario-tools{height:auto;align-items:stretch}.scenario-tool-button{flex-direction:row;justify-content:flex-start;padding:14px 18px}.scenario-tool-button__icon{font-size:40px}.scenario-tool-button__icon:before{font-size:40px}.scenario-sidebar{height:auto;grid-template-rows:repeat(2,minmax(220px,1fr))}}@media(max-width:900px)and (orientation:portrait){.scenario-tools{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.scenario-tool-button{justify-content:center;padding:14px 10px}}