:root{--bg-primary: #17212b;--bg-card: #1e2d3d;--bg-card-alt: #2b3a4e;--bg-input: #242f3d;--text-primary: #e8f1f9;--text-secondary: #8a9db5;--text-muted: #5a7080;--color-accent: #5a9fd4;--color-accent-hover: #6fb3e8;--color-success: #4caf7d;--color-error: #e05555;--color-warning: #e0a855;--color-streak: oklch(80% .13 70);--border-color: #2d4056;--border-radius-sm: 8px;--border-radius-md: 12px;--border-radius-lg: 16px;--font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--transition-fast: .15s ease;--transition-normal: .25s ease;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--app-shell-max-width: 430px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}#root{min-height:var(--app-viewport-height, 100dvh);display:flex;flex-direction:column;align-items:center}.result-page{display:flex;flex-direction:column;min-height:var(--app-viewport-height, 100dvh);height:var(--app-viewport-height, 100dvh);width:min(100%,var(--app-shell-max-width));margin-inline:auto;background:var(--bg-primary);overflow:hidden}.page-center{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:var(--spacing-lg);text-align:center;gap:var(--spacing-md);width:min(100%,var(--app-shell-max-width));margin-inline:auto}.landing{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:var(--spacing-xl);text-align:center;gap:var(--spacing-md);width:min(100%,var(--app-shell-max-width));margin-inline:auto}.landing-icon{font-size:64px;margin-bottom:var(--spacing-sm)}.landing-title{font-size:32px;font-weight:700;color:var(--text-primary);letter-spacing:-.5px}.landing-subtitle{font-size:17px;color:var(--color-accent);font-weight:500}.landing-hint{font-size:14px;color:var(--text-secondary);max-width:320px;margin-top:var(--spacing-sm)}.spinner{width:36px;height:36px;border:3px solid var(--border-color);border-top-color:var(--color-accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{color:var(--text-secondary);font-size:14px}.error-icon{font-size:40px}.error-text{color:var(--color-error);font-size:15px;max-width:300px}.score-card{background:var(--bg-card);padding:var(--spacing-lg) var(--spacing-lg) var(--spacing-md);display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs);border-bottom:1px solid var(--border-color)}.score-emoji{font-size:36px;line-height:1}.score-number{font-size:52px;font-weight:800;line-height:1;letter-spacing:-2px;transition:color var(--transition-normal)}.score-max{font-size:24px;font-weight:500;opacity:.6}.score-label{font-size:16px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;transition:color var(--transition-normal)}.score-bar-track{width:100%;max-width:280px;height:6px;background:var(--border-color);border-radius:99px;overflow:hidden;margin-top:var(--spacing-sm)}.score-bar-fill{height:100%;width:100%;border-radius:99px;transform-origin:left center;transition:transform .6s cubic-bezier(.22,1,.36,1),background-color var(--transition-normal)}.tabs{display:flex;background:var(--bg-card);border-bottom:1px solid var(--border-color);overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;position:sticky;top:0;z-index:10}.tabs::-webkit-scrollbar{display:none}.tab-button{flex:1;min-width:70px;padding:var(--spacing-sm) var(--spacing-md);background:none;border:none;color:var(--text-secondary);font-size:13px;font-weight:500;font-family:var(--font-family);cursor:pointer;border-bottom:2px solid transparent;transition:color var(--transition-fast),border-color var(--transition-fast);white-space:nowrap}.tab-button:hover{color:var(--text-primary)}.tab-button--active{color:var(--color-accent);border-bottom-color:var(--color-accent)}.tab-content{flex:1;width:100%;padding:var(--spacing-md);min-height:0;overflow:hidden}.tab-content--scroll{display:flex;min-height:0}.text-section{margin-bottom:var(--spacing-md)}.section-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);margin-bottom:var(--spacing-sm)}.reader-view{display:grid;grid-template-rows:auto minmax(0,1fr);gap:var(--spacing-md);height:100%;min-height:0}.reader-panel{background:linear-gradient(180deg,#32455cf0,#1b2736fa),var(--bg-card);border:1px solid rgba(107,143,182,.18);border-radius:26px;padding:20px 20px 18px;box-shadow:0 16px 36px #050c1638;display:flex;flex-direction:column;gap:18px;min-height:0}.reader-panel__actions{display:grid;grid-template-columns:1fr auto auto;gap:10px}.reader-panel__button{border:none;border-radius:999px;background:#b9c8fff5;color:#1b2440;font:inherit;font-size:15px;font-weight:500;padding:13px 18px;cursor:pointer;width:100%;transition:transform var(--transition-fast),opacity var(--transition-fast);display:inline-flex;align-items:center;justify-content:center;gap:8px}.reader-panel__button:hover:not(:disabled){transform:translateY(-1px)}.reader-panel__button:disabled{opacity:.72;cursor:wait}.reader-panel__button--secondary{background:#dbe6ff2e;color:#e9f0ff;border:1px solid rgba(142,172,215,.28)}.reader-panel__button-icon{width:19px;height:19px;flex:0 0 auto;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;fill:none}.reader-panel__button--icon-only{padding:13px 16px;aspect-ratio:1}.reader-panel__button--saved{background:#b9c8ff38;color:#b9c8fff5;border-color:#b9c8ff80}.reader-panel__button--saved svg path{fill:currentColor}.reader-text{font-size:clamp(18px,4.2vw,28px);line-height:1.42;letter-spacing:0;color:#f5f8ff;max-height:min(29dvh,260px);overflow-y:auto;overflow-x:hidden;scrollbar-gutter:stable;user-select:text;-webkit-user-select:text}.reader-plain-text{font:inherit;color:inherit;line-height:inherit}.reader-inline-translation{display:inline;background:#86b0ff3d;border-radius:4px;padding:0 2px}.reader-word{display:inline;background:none;border:none;color:inherit;font:inherit;padding:0;margin:0;cursor:pointer;text-decoration:none;transition:color var(--transition-fast),text-decoration-color var(--transition-fast),opacity var(--transition-fast);user-select:text;-webkit-user-select:text}.reader-word:hover,.reader-word:focus-visible,.reader-word--active{color:#dbe5ff}.reader-word--range{background:#86b0ff3d;border-radius:4px}.reader-word--active{text-decoration-color:#dbe5ff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:8px}.phrase-translation-card{padding:14px 16px;border-radius:20px;background:#0e15216b;border:1px solid rgba(111,144,177,.18)}.phrase-translation-card__label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:#8da6c4;margin-bottom:6px}.phrase-translation-card__text{font-size:15px;color:#eef3ff;line-height:1.6}.correction-view{min-height:0;height:100%;display:flex;flex-direction:column}.correction-view__scroll{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding-right:4px;scroll-padding-bottom:calc(var(--spacing-md) + env(safe-area-inset-bottom,0px))}.original-text-card{background:color-mix(in oklab,var(--bg-card) 91%,oklch(20% .05 20) 9%);border-radius:20px;padding:var(--spacing-md);border:1px solid color-mix(in oklab,var(--color-error) 32%,var(--border-color))}.original-text-card--compact{padding:18px 20px}.original-text-card--clean{border-color:color-mix(in oklab,var(--color-success) 22%,var(--border-color));background:color-mix(in oklab,var(--bg-card) 88%,oklch(20% .06 148) 12%)}.original-text{color:var(--text-primary);line-height:1.6}.original-text--compact{font-size:18px;line-height:1.62}.inline-correction__original{color:color-mix(in oklab,var(--color-error) 75%,var(--text-primary));text-decoration-color:currentColor;text-decoration-thickness:1.5px}.inline-correction__corrected{font-weight:700;color:var(--color-success)}.error-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.error-card{background:var(--bg-card-alt);border-radius:20px;padding:14px var(--spacing-md);border:1px solid color-mix(in oklab,var(--color-warning) 18%,var(--border-color))}.error-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-sm)}.error-type-badge{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.error-severity{font-size:11px;color:var(--text-muted)}.error-comparison{display:flex;align-items:center;gap:var(--spacing-sm);flex-wrap:wrap;margin-bottom:var(--spacing-sm)}.error-original{color:var(--color-error);text-decoration:line-through;font-size:15px}.error-arrow{color:var(--text-muted);font-size:14px}.error-corrected{color:var(--color-success);font-size:15px;font-weight:500}.error-explanation{font-size:14px;color:var(--text-primary);opacity:.84;line-height:1.58;margin-top:10px}.success-banner{display:flex;align-items:center;gap:var(--spacing-sm);background:#4caf7d1f;border:1px solid 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env(safe-area-inset-bottom,0px));box-shadow:0 -18px 48px #0308124d;overflow:auto;min-height:0}.dictionary-sheet--idle{height:clamp(146px,18dvh,172px)}.dictionary-sheet--active{height:clamp(280px,36dvh,360px)}.dictionary-sheet__handle{width:52px;height:5px;border-radius:999px;background:#4c5d7938;margin:0 auto var(--spacing-md)}.dictionary-sheet__topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--spacing-md);margin-bottom:var(--spacing-md)}.dictionary-sheet__word-row{display:flex;align-items:center;gap:10px}.dictionary-sheet__eyebrow{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:#718198;margin-bottom:2px}.dictionary-sheet__word{font-size:clamp(24px,6.4vw,40px);line-height:.98;font-weight:800;max-width:100%;flex:1 1 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auto}.dictionary-sheet__bookmark{width:34px;height:34px;border-radius:999px;border:none;background:#1b273614;color:#425471;font:inherit;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.dictionary-sheet__bookmark--saved{background:#3b82f61f;color:#3b82f6}.dictionary-sheet__bookmark-icon{width:16px;height:16px}.dictionary-sheet__translation{font-size:clamp(22px,5.6vw,28px);line-height:1.08;font-weight:700;margin-bottom:var(--spacing-sm)}.dictionary-sheet__note{font-size:13px;line-height:1.6;color:#314056;margin-bottom:var(--spacing-md)}.dictionary-sheet__section{padding-top:var(--spacing-md);border-top:1px solid rgba(47,62,84,.12);margin-top:var(--spacing-md)}.dictionary-sheet__section-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.9px;color:#64748b;margin-bottom:var(--spacing-sm)}.dictionary-list{padding-left:18px;display:grid;gap:8px}.dictionary-list li{color:#1e293b;line-height:1.5}.dictionary-example{display:grid;gap:6px}.dictionary-example__source{font-size:14px;line-height:1.5;color:#0f172a}.dictionary-example__translation{font-size:13px;line-height:1.5;color:#516279}.dictionary-sheet__source{display:inline-block;margin-top:var(--spacing-lg);font-size:12px;color:#61738e;text-decoration:none}.dictionary-sheet__state{min-height:120px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-sm);text-align:center;width:100%}.dictionary-sheet--idle .dictionary-sheet__state{min-height:72px}.dictionary-sheet 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