:root{--font-ui: "Segoe UI Variable", "Segoe UI", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;--font-display: "Segoe UI Variable", "Segoe UI", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;--bg-primary: #f4efe8;--bg-elevated: #fcfaf6;--bg-panel: #efe7dd;--bg-panel-strong: #e7ddd0;--bg-input: #fffaf4;--bg-accent-soft: #e4e3d6;--text-primary: #231d18;--text-secondary: #544c44;--text-muted: #7a7065;--text-placeholder: #9a9084;--border-primary: #d6ccc0;--border-strong: #c4b7a8;--accent: #6c7558;--accent-hover: #5a6248;--accent-ink: #49503c;--accent-contrast: #f7f5f0;--accent-surface: #e9e8df;--error-bg: #f4dfdc;--error-border: #caa49c;--error-text: #7f4439;--shadow-soft: 0 18px 40px rgba(48, 37, 26, .08);--shadow-card: 0 10px 24px rgba(48, 37, 26, .06);--radius-xl: 28px;--radius-lg: 20px;--radius-md: 14px;--radius-sm: 10px;color-scheme:light}[data-theme=dark]{--bg-primary: #191613;--bg-elevated: #221d19;--bg-panel: #26211d;--bg-panel-strong: #302923;--bg-input: #2b2520;--bg-accent-soft: #333126;--text-primary: #f1e9df;--text-secondary: #d3c8bc;--text-muted: #ab9f92;--text-placeholder: #82786e;--border-primary: #433b34;--border-strong: #5a5046;--accent: #b4bb96;--accent-hover: #c0c7a3;--accent-ink: #191613;--accent-contrast: #191613;--accent-surface: #2f3128;--error-bg: #422923;--error-border: #7c5349;--error-text: #f0c4bb;--shadow-soft: 0 18px 40px rgba(0, 0, 0, .28);--shadow-card: 0 10px 24px rgba(0, 0, 0, .22);color-scheme:dark}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:radial-gradient(circle at top,rgba(255,255,255,.35),transparent 28%),var(--bg-primary);color:var(--text-primary);font-family:var(--font-ui);transition:background-color .2s ease,color .2s ease}button,input,select,textarea{font:inherit}button{color:inherit}input,select,textarea{background:var(--bg-input);color:var(--text-primary)}.app-shell{min-height:100vh;padding:24px}.app-frame{max-width:1480px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,320px);gap:24px;align-items:start}.history-panel{position:sticky;top:28px;background:color-mix(in srgb,var(--bg-panel) 88%,transparent);border:1px solid var(--border-primary);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);overflow:hidden;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);min-width:0}.main-stage{min-width:0;display:grid;gap:20px}.app-header{display:flex;justify-content:space-between;gap:18px;align-items:flex-end}.app-header-copy{min-width:0}.app-kicker{margin:0 0 10px;color:var(--text-muted);font-size:12px;letter-spacing:.14em;text-transform:uppercase}.app-title{margin:0;font-family:var(--font-display);font-size:clamp(2.1rem,4vw,4rem);line-height:1.02;letter-spacing:-.04em;font-weight:760;max-width:none;word-break:keep-all}.app-subtitle{max-width:62ch;margin:12px 0 0;color:var(--text-secondary);font-size:15px;line-height:1.8}.hero-card,.content-card,.empty-card,.loading-card,.error-card,.summary-shell{background:var(--bg-elevated);border:1px solid var(--border-primary);border-radius:var(--radius-xl);box-shadow:var(--shadow-soft)}.hero-card{padding:30px}.hero-grid{display:grid;grid-template-columns:minmax(320px,.9fr) minmax(460px,1.2fr);gap:28px;align-items:start}.hero-label{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:var(--accent-surface);color:var(--accent-ink);font-size:12px;font-weight:600;letter-spacing:.02em}.hero-title{margin:14px 0 12px;font-family:var(--font-display);font-size:clamp(1.75rem,2.1vw,2.45rem);line-height:1.14;letter-spacing:-.03em;word-break:keep-all}.hero-description{margin:0;color:var(--text-secondary);font-size:15px;line-height:1.8;max-width:48ch}.composer{display:grid;gap:12px;padding:18px;border:1px solid var(--border-primary);border-radius:var(--radius-lg);background:color-mix(in srgb,var(--bg-panel) 55%,var(--bg-elevated))}.composer-row{display:grid;grid-template-columns:minmax(0,1fr) 112px 124px;gap:10px}.composer-field,.history-search,.theme-button{border:1px solid var(--border-primary);border-radius:var(--radius-md)}.composer-field,.history-search{width:100%;min-height:52px;padding:14px 16px;background:var(--bg-input);color:var(--text-primary)}.composer-field::placeholder,.history-search::placeholder{color:var(--text-placeholder)}.composer-button{border:none;border-radius:var(--radius-md);min-height:52px;padding:14px 18px;background:var(--accent);color:var(--accent-contrast);font-weight:600;cursor:pointer;transition:background-color .18s ease,transform .18s ease}.composer-button:hover:not(:disabled),.theme-button:hover{background:var(--accent-hover)}.composer-button:disabled{cursor:not-allowed;background:var(--border-strong);color:var(--text-muted)}.theme-button{display:inline-flex;align-items:center;gap:8px;min-height:46px;padding:10px 14px;background:var(--bg-elevated);cursor:pointer;flex-shrink:0}.theme-label{color:var(--text-muted);font-size:12px}.theme-icon{font-size:15px}.content-card,.empty-card,.loading-card,.error-card{padding:24px 26px}.empty-card{text-align:center;color:var(--text-muted)}.empty-title{margin:0 0 10px;color:var(--text-primary);font-family:var(--font-display);font-size:1.6rem}.loading-card{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center}.status-pill,.history-status-chip{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.status-pill{padding:7px 11px;background:var(--accent-surface);color:var(--accent-ink);border:1px solid color-mix(in srgb,var(--accent) 24%,var(--border-primary))}.loading-spinner{width:42px;height:42px;border:3px solid var(--border-primary);border-top:3px solid var(--accent);border-radius:50%;animation:spin 1s linear infinite}.error-card{background:var(--error-bg);border-color:var(--error-border);color:var(--error-text)}.error-title{display:block;margin-bottom:8px}.error-copy,.support-copy{margin:0;line-height:1.7}.error-copy+.support-copy,.support-copy+.support-copy{margin-top:8px}.history-header{padding:20px;border-bottom:1px solid var(--border-primary)}.history-kicker{margin:0 0 8px;color:var(--text-muted);font-size:11px;letter-spacing:.12em;text-transform:uppercase}.history-title{margin:0 0 14px;font-family:var(--font-display);font-size:1.4rem}.history-list{margin:0;padding:10px;list-style:none}.history-placeholder{margin:0;padding:18px 20px;color:var(--text-muted);font-size:13px}.history-placeholder-copy{line-height:1.6}.history-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:start;width:100%;padding:14px;border:1px solid transparent;border-radius:16px;background:transparent}.history-item.is-active{background:var(--accent-surface);border-color:var(--border-primary)}.history-item:not(.is-active):hover{background:color-mix(in srgb,var(--bg-elevated) 35%,transparent)}.history-entry{min-width:0;text-align:left}.history-entry-button{border:none;padding:0;background:transparent;cursor:pointer}.history-entry-title{margin:0 0 4px;color:var(--text-primary);font-size:14px;font-weight:600;line-height:1.4}.history-entry-date{margin:0;color:var(--text-muted);font-size:11px}.history-entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.history-status-chip{padding:5px 8px;background:var(--bg-panel);color:var(--text-muted);border:1px solid var(--border-primary)}.history-status-chip.is-queued{background:var(--accent-surface);color:var(--accent-ink)}.history-status-chip.is-processing{background:color-mix(in srgb,var(--accent-surface) 70%,var(--bg-elevated));color:var(--accent-ink)}.history-status-chip.is-failed,.history-status-chip.is-timed_out{background:color-mix(in srgb,var(--error-bg) 75%,var(--bg-elevated));color:var(--error-text);border-color:color-mix(in srgb,var(--error-border) 80%,var(--border-primary))}.history-delete{border:none;background:transparent;color:var(--text-placeholder);cursor:pointer;font-size:18px;line-height:1}.summary-shell{padding:28px}.summary-header{display:flex;flex-direction:column;gap:10px;margin-bottom:24px;padding-bottom:18px;border-bottom:1px solid var(--border-primary)}.summary-title{margin:0;font-family:var(--font-display);font-size:clamp(1.7rem,2vw,2.4rem);line-height:1.08}.summary-meta{display:flex;flex-wrap:wrap;gap:8px}.meta-chip,.keyword-chip,.timestamp-chip{display:inline-flex;align-items:center;border-radius:999px;font-size:12px}.meta-chip{padding:7px 10px;background:var(--bg-panel);color:var(--text-muted);border:1px solid var(--border-primary)}.summary-grid{display:grid;gap:18px}.summary-section{padding:22px;border-radius:var(--radius-lg);background:color-mix(in srgb,var(--bg-panel) 48%,var(--bg-elevated));border:1px solid var(--border-primary)}.section-title{margin:0 0 14px;color:var(--text-primary);font-size:15px;font-weight:700;letter-spacing:.01em}.section-copy{margin:0;color:var(--text-secondary);line-height:1.8}.chapter-list,.keyword-list{display:grid;gap:12px}.chapter-card{padding:16px;border-radius:16px;background:var(--bg-elevated);border:1px solid var(--border-primary)}.chapter-heading{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:8px}.timestamp-chip{padding:4px 9px;background:var(--accent-surface);color:var(--accent-ink);border:1px solid color-mix(in srgb,var(--accent) 24%,var(--border-primary))}.chapter-title{color:var(--text-primary);font-size:14px;font-weight:700}.chapter-copy{margin:0;color:var(--text-muted);font-size:14px;line-height:1.7}.keypoint-list{margin:0;padding-left:18px;color:var(--text-secondary);line-height:1.9}.keyword-wrap{display:flex;flex-wrap:wrap;gap:10px}.keyword-chip{padding:8px 12px;background:var(--bg-elevated);color:var(--text-secondary);border:1px solid var(--border-primary)}.auth-tabs{display:flex;gap:6px;padding:4px;background:var(--bg-panel-strong);border-radius:var(--radius-md)}.auth-tab{flex:1;border:none;border-radius:var(--radius-sm);padding:10px 16px;background:transparent;color:var(--text-muted);font-size:14px;font-weight:600;cursor:pointer;transition:background-color .18s ease,color .18s ease}.auth-tab:hover:not(:disabled):not(.is-active){color:var(--text-secondary);background:color-mix(in srgb,var(--bg-elevated) 40%,transparent)}.auth-tab.is-active{background:var(--accent);color:var(--accent-contrast)}.auth-tab:disabled{cursor:not-allowed;opacity:.6}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 1320px){.app-frame{grid-template-columns:minmax(0,1fr) 292px;gap:20px}.hero-grid{grid-template-columns:1fr;gap:18px}.hero-description{max-width:60ch}}@media (max-width: 920px){.composer-row{grid-template-columns:minmax(0,1fr) 120px}.composer-button{grid-column:1 / -1}}@media (max-width: 1080px){.app-shell{padding:18px}.app-frame{grid-template-columns:1fr}.history-panel{position:static}.hero-grid{grid-template-columns:1fr}.app-header{align-items:flex-start}}@media (max-width: 720px){.app-header{flex-direction:column;align-items:stretch}.app-title{max-width:none;font-size:clamp(1.9rem,9vw,2.8rem)}.hero-card,.summary-shell,.content-card,.empty-card,.loading-card,.error-card{padding:18px;border-radius:20px}.composer-row{grid-template-columns:1fr}.theme-button{width:fit-content}.history-panel{order:2}}