:root{--color-bg: #0b0e12;--color-surface: #171b21;--color-surface-2: #1e242c;--color-border: #2a313b;--color-accent: #e8b45c;--color-accent-pressed: #c9973f;--color-text: #e6e8eb;--color-text-secondary: #c7ced6;--color-text-muted: #8b95a1;--color-text-faint: #6b7480;--color-success: #8fbf9f;--color-danger: #d46a6a;--color-danger-border: #3d2a2a;--color-danger-bg: #2a1b1b;--color-accent-on: #14181d;--font-ui: "Noto Sans KR", system-ui, -apple-system, sans-serif;--font-serif: "Noto Serif KR", serif;--font-mono: "JetBrains Mono", monospace;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-6: 24px;--space-8: 32px;--radius-input: 10px;--radius-card: 12px;--radius-chip: 999px;--touch-target-min: 44px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--color-bg);color:var(--color-text);font-family:var(--font-ui)}.bottom-nav{position:fixed;left:0;right:0;bottom:0;height:62px;display:flex;background:var(--color-surface);border-top:1px solid var(--color-border);z-index:10}.bottom-nav__item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:var(--touch-target-min);color:var(--color-text-muted);text-decoration:none;font-size:11px}.bottom-nav__item--active{color:var(--color-accent)}.bottom-nav__icon{font-size:18px;line-height:1}.page-with-bottom-nav{padding-bottom:62px}.login-page{min-height:100%;display:flex;flex-direction:column;justify-content:center;padding:var(--space-8) var(--space-4)}.login-page__card{width:100%;max-width:400px;margin:0 auto;display:flex;flex-direction:column;gap:var(--space-4)}.login-page__brand{display:flex;flex-direction:column;gap:var(--space-2);margin-bottom:var(--space-2)}.login-page__logo{width:44px;height:44px;border-radius:11px;background:var(--color-accent);color:var(--color-accent-on);font-weight:700;font-size:20px;display:flex;align-items:center;justify-content:center}.login-page__title{margin:var(--space-2) 0 0;font-size:26px;font-weight:700;letter-spacing:-.5px}.login-page__subtitle{font-size:13.5px;color:var(--color-text-muted)}.login-page__field{display:flex;flex-direction:column;gap:var(--space-2)}.login-page__label{font-size:12.5px;color:var(--color-text-muted)}.login-page__input-row{height:50px;border-radius:var(--radius-input);background:var(--color-surface);border:1px solid var(--color-border);display:flex;align-items:center;padding:0 14px}.login-page__input-row--error{border-color:var(--color-danger)}.login-page__input{flex:1;min-width:0;background:transparent;border:none;outline:none;color:var(--color-text);font-size:15px;font-family:var(--font-ui)}.login-page__toggle{background:none;border:none;color:var(--color-text-muted);font-size:12px;padding:var(--space-2);margin:-8px;cursor:pointer;min-height:var(--touch-target-min);min-width:44px}.login-page__error{font-size:12.5px;color:#e08a8a;margin-top:2px}.login-page__submit{height:52px;border-radius:var(--radius-input);background:var(--color-accent);color:var(--color-accent-on);font-weight:700;font-size:15.5px;border:none;cursor:pointer;margin-top:var(--space-2)}.login-page__submit:disabled{opacity:.7;cursor:default}.login-page__note{font-size:12px;color:var(--color-text-faint);text-align:center;margin-top:var(--space-1)}.paper-item{background:var(--color-surface);border:1px solid 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var(--color-border);background:var(--color-surface-2);color:var(--color-text-secondary);text-decoration:none}.home-page__empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-3);padding:var(--space-8) var(--space-4);text-align:center;color:var(--color-text-muted)}.paper-list-page{display:flex;flex-direction:column;min-height:100%}.paper-list-page__header{flex:0 0 52px;display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-4);border-bottom:1px solid var(--color-surface-2)}.paper-list-page__title{font-size:17px;font-weight:700}.paper-list-page__sort{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-secondary);border-radius:var(--radius-input);font-size:12.5px;padding:6px 10px}.paper-list-page__filters{flex:0 0 auto;display:flex;gap:7px;padding:var(--space-2) var(--space-4);overflow-x:auto;border-bottom:1px solid 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var(--color-border);display:flex;flex-direction:column;gap:8px;padding:13px;justify-content:center}.paper-list-page__skeleton-bar{height:12px;border-radius:4px;background:var(--color-surface-2)}.paper-list-page__empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-8) var(--space-4);text-align:center;color:var(--color-text-muted)}.paper-list-page__fab{position:fixed;right:var(--space-4);bottom:78px;width:52px;height:52px;border-radius:50%;background:var(--color-accent);color:var(--color-accent-on);display:flex;align-items:center;justify-content:center;text-decoration:none;font-size:26px;box-shadow:0 8px 24px #00000080}.search-page{display:flex;flex-direction:column;min-height:100%}.search-page__header{flex:0 0 60px;display:flex;align-items:center;gap:10px;padding:0 var(--space-4);border-bottom:1px solid var(--color-surface-2)}.search-page__input{flex:1;height:44px;border-radius:var(--radius-input);background:var(--color-surface);border:1px solid var(--color-border);padding:0 13px;color:var(--color-text);font-size:14.5px;font-family:var(--font-ui)}.search-page__input:focus{outline:none;border-color:var(--color-accent)}.search-page__section{padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-3);border-bottom:1px solid #1c222a}.search-page__section-title{font-size:12.5px;font-weight:700;color:var(--color-text-muted)}.search-page__chips{display:flex;flex-wrap:wrap;gap:7px}.search-page__chip{font-size:12.5px;color:var(--color-text-secondary);background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-chip);padding:7px 12px}.search-page__result-count{font-size:11.5px;color:var(--color-text-faint);padding:var(--space-3) var(--space-4) 0}.search-page__list{padding:var(--space-3) var(--space-4);display:flex;flex-direction:column;gap:9px}.search-page__empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:0 40px;text-align:center}.search-page__empty-title{font-size:15px;font-weight:600}.search-page__empty-desc{font-size:13px;line-height:1.7;color:var(--color-text-muted)}.upload-page{padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-4);max-width:480px;margin:0 auto}.upload-page__title{font-size:20px;font-weight:700}.upload-page__field{display:flex;flex-direction:column;gap:6px}.upload-page__label{font-size:12.5px;color:var(--color-text-muted)}.upload-page__label--required:after{content:" *";color:var(--color-danger)}.upload-page__input,.upload-page__textarea{border-radius:var(--radius-input);background:var(--color-surface);border:1px solid var(--color-border);padding:12px 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11px}.paper-detail__chip--category{color:var(--color-accent);background:#241f16;border-color:#3a3222}.paper-detail__section-title{font-size:13px;font-weight:700;color:var(--color-text-muted)}.paper-detail__abstract{font-size:13.5px;line-height:1.8;color:var(--color-text-secondary);white-space:pre-wrap}.paper-detail__abstract--collapsed{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.paper-detail__toggle{background:none;border:none;color:var(--color-accent);font-size:12.5px;padding:0;cursor:pointer;align-self:flex-start}.paper-detail__actionbar{position:fixed;left:0;right:0;bottom:0;background:var(--color-surface);border-top:1px solid var(--color-border);padding:var(--space-3) var(--space-4);display:flex;gap:9px;box-shadow:0 -8px 24px #00000080}.paper-detail__action-btn{flex:1;height:48px;border-radius:var(--radius-input);font-size:13.5px;font-weight:600;border:1px solid var(--color-border);background:var(--color-surface-2);color:var(--color-text-secondary);text-decoration:none;display:flex;align-items:center;justify-content:center;cursor:pointer}.paper-detail__action-btn--primary{background:var(--color-accent);color:var(--color-accent-on);border:none}.paper-detail__action-btn:disabled,.paper-detail__action-btn--disabled{opacity:.45;cursor:default}.paper-detail__favorite{background:none;border:1px solid var(--color-border);border-radius:var(--radius-input);width:48px;height:48px;font-size:18px;color:var(--color-accent);cursor:pointer}.paper-detail__read-state{display:flex;gap:7px}.paper-detail__read-state-btn{font-size:12.5px;padding:7px 12px;border-radius:var(--radius-chip);border:1px solid var(--color-border);background:var(--color-surface-2);color:var(--color-text-secondary);cursor:pointer}.paper-detail__read-state-btn--active{background:var(--color-accent);color:var(--color-accent-on);border-color:var(--color-accent);font-weight:600}.reader{display:flex;flex-direction:column;height:100vh;height:100dvh;overflow:hidden}.reader__header{flex:0 0 auto;background:var(--color-bg);border-bottom:1px solid var(--color-surface-2)}.reader__header-row{height:52px;display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-4);gap:var(--space-2)}.reader__back{color:var(--color-text-secondary);text-decoration:none;font-size:13px;white-space:nowrap}.reader__title{flex:1;min-width:0;text-align:center;font-size:13.5px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.reader__header-actions{display:flex;gap:var(--space-2)}.reader__icon-btn{background:none;border:none;color:var(--color-text-secondary);font-size:13px;padding:var(--space-2);cursor:pointer;min-width:var(--touch-target-min);min-height:var(--touch-target-min)}.reader__tabs{display:flex;gap:var(--space-2);padding:var(--space-2) var(--space-4) var(--space-3)}.reader__tab{font-size:12.5px;padding:6px 12px;border-radius:var(--radius-chip);border:1px solid var(--color-border);background:var(--color-surface-2);color:var(--color-text-secondary);text-decoration:none;cursor:pointer}.reader__tab--active{background:var(--color-accent);color:var(--color-accent-on);border-color:var(--color-accent);font-weight:600}.reader__tab--disabled{opacity:.4;cursor:default}.reader__progress{height:2px;background:var(--color-surface-2)}.reader__progress-bar{height:100%;background:var(--color-accent);transition:width .15s linear}.reader__content{flex:1;overflow-y:auto;padding:var(--space-6) var(--space-4)}.reader__content-inner{max-width:720px;margin:0 auto;font-family:var(--font-serif)}.reader__content-inner h1,.reader__content-inner h2,.reader__content-inner h3{font-family:var(--font-ui);font-weight:700;margin:1.4em 0 .6em}.reader__content-inner p{margin:0 0 1em}.reader__content-inner 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0;padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-3);max-height:70vh;overflow-y:auto}.reader__sheet-title{font-size:15px;font-weight:700}.reader__toc-item{display:block;width:100%;text-align:left;background:none;border:none;color:var(--color-text-secondary);padding:10px 0;border-bottom:1px solid #1c222a;font-size:14px;cursor:pointer}.reader__setting-row{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.reader__setting-label{font-size:13px;color:var(--color-text-muted)}.reader__stepper{display:flex;align-items:center;gap:var(--space-3)}.reader__stepper button{width:36px;height:36px;border-radius:8px;border:1px solid var(--color-border);background:var(--color-surface-2);color:var(--color-text);font-size:16px;cursor:pointer}.reader__toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:10px;padding:10px 16px;font-size:13px;color:var(--color-text-secondary);z-index:30}.settings-page{padding:var(--space-4);padding-bottom:40px;display:flex;flex-direction:column;gap:var(--space-6);max-width:480px;margin:0 auto}.settings-page__title{font-size:17px;font-weight:700}.settings-section{display:flex;flex-direction:column;gap:var(--space-3);background:var(--color-surface);border:1px solid var(--color-surface-2);border-radius:var(--radius-card);padding:var(--space-4)}.settings-section__title{font-size:13px;font-weight:700;color:var(--color-text-muted)}.settings-row{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.settings-row__label{font-size:13.5px;color:var(--color-text-secondary)}.settings-stepper{display:flex;align-items:center;gap:var(--space-3)}.settings-stepper button{width:32px;height:32px;border-radius:8px;border:1px solid var(--color-border);background:var(--color-surface-2);color:var(--color-text);font-size:15px;cursor:pointer}.settings-select{background:var(--color-surface-2);border:1px solid var(--color-border);color:var(--color-text);border-radius:8px;padding:6px 10px;font-size:13px}.settings-toggle{width:44px;height:26px;border-radius:999px;border:none;background:var(--color-border);position:relative;cursor:pointer}.settings-toggle--on{background:var(--color-accent)}.settings-toggle__knob{position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:left .15s ease}.settings-toggle--on .settings-toggle__knob{left:21px}.settings-usage-bar{height:8px;border-radius:4px;background:var(--color-surface-2);overflow:hidden}.settings-usage-bar__fill{height:100%;background:var(--color-accent)}.settings-input{height:44px;border-radius:var(--radius-input);background:var(--color-surface-2);border:1px solid var(--color-border);padding:0 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#1c222a}.import-status{padding:var(--space-4);padding-bottom:80px;display:flex;flex-direction:column;gap:var(--space-4)}.import-status__header{display:flex;align-items:center;justify-content:space-between}.import-status__title{font-size:17px;font-weight:700}.import-status__refresh{background:none;border:1px solid var(--color-border);color:var(--color-text-secondary);border-radius:var(--radius-input);padding:6px 12px;font-size:12.5px;cursor:pointer}.import-status__filters{display:flex;gap:7px;overflow-x:auto}.import-status__chip{font-size:12px;white-space:nowrap;border-radius:var(--radius-chip);padding:6px 11px;border:1px solid var(--color-border);background:var(--color-surface-2);color:var(--color-text-secondary);cursor:pointer}.import-status__chip--active{background:var(--color-accent);color:var(--color-accent-on);border-color:var(--color-accent);font-weight:600}.import-status__list{display:flex;flex-direction:column;gap:10px}.import-status__item{background:var(--color-surface);border:1px solid var(--color-surface-2);border-radius:var(--radius-card);padding:14px;display:flex;flex-direction:column;gap:8px}.import-status__item-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.import-status__item-title{font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.import-status__badge{font-size:10.5px;font-weight:600;border-radius:var(--radius-chip);padding:3px 9px;white-space:nowrap}.import-status__badge--done{color:var(--color-success);background:#16211a;border:1px solid #24382a}.import-status__badge--review{color:var(--color-accent);background:#241f16;border:1px solid #3a3222}.import-status__badge--failed{color:#e08a8a;background:#2a1b1b;border:1px solid #3d2a2a}.import-status__badge--duplicate{color:var(--color-text-secondary);background:var(--color-surface-2);border:1px solid var(--color-border)}.import-status__badge--pending{color:var(--color-text-muted);background:var(--color-surface-2);border:1px solid var(--color-border)}.import-status__meta{font-size:11.5px;color:var(--color-text-faint)}.import-status__error{font-size:12.5px;color:#e08a8a}.import-status__actions{display:flex;gap:8px;margin-top:4px}.import-status__action-btn{height:36px;padding:0 14px;border-radius:8px;font-size:12.5px;border:1px solid var(--color-border);background:var(--color-surface-2);color:var(--color-text-secondary);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center}.import-status__action-btn--primary{background:var(--color-accent);color:var(--color-accent-on);border:none;font-weight:600}.import-status__empty{color:var(--color-text-muted);font-size:13px;padding:var(--space-6) 0;text-align:center}