:root{--color-bg: #f7f6f3;--color-bg-subtle: #efede8;--color-surface: #ffffff;--color-surface-hover: #faf9f7;--color-border: rgba(0, 0, 0, .08);--color-border-strong: rgba(0, 0, 0, .15);--color-text: #1a1814;--color-text-secondary: #6b6660;--color-text-muted: #9c9690;--color-text-inverse: #ffffff;--color-accent: #0ea87e;--color-accent-hover: #0c9570;--color-accent-light: rgba(14, 168, 126, .1);--color-accent-glow: rgba(14, 168, 126, .25);--color-error: #e53e3e;--color-error-bg: #fff5f5;--color-warning: #d97706;--color-success: #0ea87e;--font-display: "Syne", sans-serif;--font-body: "Inter", sans-serif;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: clamp(2.25rem, 2rem + 2vw, 3.5rem);--text-hero: clamp(3rem, 2rem + 5vw, 5.5rem);--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--space-section: clamp(4rem, 3rem + 4vw, 8rem);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08), 0 2px 4px rgba(0, 0, 0, .04);--shadow-lg: 0 12px 32px rgba(0, 0, 0, .1), 0 4px 8px rgba(0, 0, 0, .05);--shadow-accent: 0 4px 24px var(--color-accent-glow);--duration-fast: .12s;--duration-normal: .22s;--duration-slow: .38s;--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-in-out: cubic-bezier(.4, 0, .2, 1);--container-max: 1200px;--container-narrow: 800px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-body);font-size:var(--text-base);line-height:1.6;color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border-strong);border-radius:var(--radius-full)}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:2px}h1,h2,h3,h4{font-family:var(--font-display);line-height:1.1;letter-spacing:-.02em}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 var(--space-6)}.container--narrow{max-width:var(--container-narrow)}@keyframes wave-bar{0%,to{transform:scaleY(.3)}50%{transform:scaleY(1)}}@keyframes pulse-ring{0%{transform:scale(1);opacity:.6}to{transform:scale(1.8);opacity:0}}@keyframes fade-in-up{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:-200% center}to{background-position:200% center}}.account-bar{position:relative;display:flex;align-items:center;gap:var(--space-2)}.account-meta{display:flex;align-items:center;gap:var(--space-2)}.tier-badge{display:inline-flex;align-items:center;height:20px;padding:0 8px;border-radius:var(--radius-full);font-size:.7rem;font-weight:700;letter-spacing:.03em;white-space:nowrap;border:1px solid transparent}.tier-badge--anonymous{color:var(--color-text-muted);background:var(--color-bg-subtle);border-color:var(--color-border-strong)}.tier-badge--free{color:var(--color-accent);background:var(--color-accent-light);border-color:#0ea87e4d}.tier-badge--pro{color:#fff;background:linear-gradient(135deg,var(--color-accent),var(--color-accent-hover));border-color:#0ea87e66;box-shadow:0 2px 8px var(--color-accent-glow)}.account-quota{font-size:var(--text-xs);color:var(--color-text-muted);white-space:nowrap}.account-login-btn{height:30px;padding:0 var(--space-4);border-radius:var(--radius-full);font-size:var(--text-sm);font-weight:600;color:#fff;background:var(--color-accent);transition:background var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}.account-login-btn:hover{background:var(--color-accent-hover);box-shadow:var(--shadow-accent)}.account-login-btn:active{transform:scale(.97)}.account-user{display:flex;align-items:center;gap:var(--space-2);height:30px;max-width:200px;padding:0 var(--space-3) 0 var(--space-1);border-radius:var(--radius-full);background:var(--color-bg-subtle);border:1px solid var(--color-border-strong);transition:background var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out)}.account-user:hover,.account-user--open{background:var(--color-accent-light);border-color:var(--color-accent)}.account-username{font-size:var(--text-sm);color:var(--color-text);max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-caret{font-size:9px;color:var(--color-text-muted)}.account-menu{position:absolute;top:calc(100% + 8px);right:0;width:240px;background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:var(--space-2);z-index:120;animation:account-menu-in var(--duration-fast) var(--ease-out)}@keyframes account-menu-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.account-menu-head{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);padding:var(--space-2) var(--space-3)}.account-menu-username{font-size:var(--text-sm);font-weight:600;color:var(--color-text);max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-menu-stats{display:flex;flex-direction:column;gap:var(--space-1);padding:var(--space-1) var(--space-3) var(--space-2);background:var(--color-bg-subtle);border-radius:var(--radius-sm);margin:0 var(--space-1)}.account-menu-stat{display:flex;align-items:center;justify-content:space-between;font-size:var(--text-xs)}.account-menu-stat-label{color:var(--color-text-secondary)}.account-menu-stat-value{color:var(--color-text);font-weight:600}.account-menu-expires{padding:var(--space-1) var(--space-3);font-size:var(--text-xs);color:var(--color-accent)}.account-menu-divider{height:1px;background:var(--color-border);margin:var(--space-1) var(--space-1)}.account-menu-item{display:block;width:100%;text-align:left;padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);font-size:var(--text-sm);color:var(--color-text-secondary);transition:background var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.account-menu-item:hover{background:var(--color-bg-subtle);color:var(--color-text)}.account-menu-item--upgrade{color:var(--color-accent);font-weight:600}.account-menu-item--upgrade:hover{background:var(--color-accent-light);color:var(--color-accent-hover)}.navbar{position:fixed;top:0;left:0;right:0;z-index:100;height:60px;background:#f7f6f3d9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border)}.navbar__inner{display:flex;align-items:center;height:60px;gap:var(--space-6)}.navbar__logo{display:flex;align-items:center;gap:var(--space-2);font-family:var(--font-display);font-size:var(--text-lg);font-weight:800;color:var(--color-text);letter-spacing:-.02em;text-decoration:none}.navbar__logo-mark{display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:var(--color-accent);color:#fff;border-radius:var(--radius-md)}.navbar__links{display:flex;align-items:center;gap:var(--space-5);margin-left:auto}.navbar__link{font-size:var(--text-sm);font-weight:500;color:var(--color-text-secondary);text-decoration:none;transition:color var(--duration-fast) var(--ease-out)}.navbar__link:hover{color:var(--color-text);text-decoration:none}.navbar__cta{display:inline-flex;align-items:center;padding:var(--space-2) var(--space-5);font-size:var(--text-sm);font-weight:600;color:#fff;background:var(--color-accent);border-radius:var(--radius-full);text-decoration:none;transition:background var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out)}.navbar__cta:hover{background:var(--color-accent-hover);transform:translateY(-1px);text-decoration:none}.navbar__link--btn{background:none;border:none;cursor:pointer;font-family:var(--font-body);display:inline-flex;align-items:center;gap:var(--space-2);padding:0}.navbar__link--active{color:var(--color-accent)!important}.navbar__pro-badge{display:inline-flex;align-items:center;padding:1px 6px;font-size:10px;font-weight:700;font-family:var(--font-body);letter-spacing:.04em;text-transform:uppercase;background:var(--color-accent);color:#fff;border-radius:var(--radius-full);line-height:1.6}@media (max-width: 480px){.navbar__links{display:none}}.waveform{display:flex;align-items:center;gap:3px;height:48px}.waveform__bar{display:block;width:3px;height:var(--bar-height, 40%);background:currentColor;border-radius:var(--radius-full);transform-origin:center;opacity:.35}.waveform--animated .waveform__bar{animation:wave-bar 1.4s ease-in-out infinite;animation-delay:var(--bar-delay, 0s);opacity:.7}.hero{position:relative;padding-top:var(--space-20);padding-bottom:0;overflow:hidden;background:var(--color-bg)}.hero__bg-grid{position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(0,0,0,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.035) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,black 40%,transparent 100%);mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,black 40%,transparent 100%);pointer-events:none}.hero__orb{position:absolute;border-radius:50%;filter:blur(80px);pointer-events:none}.hero__orb--1{width:600px;height:600px;top:-200px;left:-100px;background:radial-gradient(circle,rgba(14,168,126,.12) 0%,transparent 70%)}.hero__orb--2{width:500px;height:500px;top:-100px;right:-150px;background:radial-gradient(circle,rgba(99,102,241,.08) 0%,transparent 70%)}.hero__inner{position:relative;text-align:center;max-width:780px;margin:0 auto;padding-bottom:var(--space-12);animation:fade-in-up .6s var(--ease-out) both}.hero__badge{display:inline-flex;align-items:center;gap:var(--space-2);background:var(--color-accent-light);color:var(--color-accent);font-size:var(--text-sm);font-weight:500;padding:var(--space-2) var(--space-4);border-radius:var(--radius-full);border:1px solid rgba(14,168,126,.2);margin-bottom:var(--space-8)}.hero__badge-dot{width:7px;height:7px;background:var(--color-accent);border-radius:50%;position:relative}.hero__badge-dot:after{content:"";position:absolute;top:-3px;right:-3px;bottom:-3px;left:-3px;border-radius:50%;background:var(--color-accent);animation:pulse-ring 1.8s ease-out infinite}.hero__title{font-size:var(--text-hero);font-family:var(--font-display);font-weight:800;letter-spacing:-.03em;line-height:1;color:var(--color-text);margin-bottom:var(--space-6)}.hero__title-line{display:block}.hero__title-line--accent{color:var(--color-accent)}.hero__subtitle{font-size:var(--text-xl);color:var(--color-text-secondary);line-height:1.65;margin-bottom:var(--space-8);font-weight:400}.hero__pills{display:flex;flex-wrap:wrap;gap:var(--space-2);justify-content:center;margin-bottom:var(--space-10)}.hero__pill{font-size:var(--text-sm);font-weight:500;color:var(--color-text-secondary);background:var(--color-surface);border:1px solid var(--color-border);padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);box-shadow:var(--shadow-sm)}.hero__cta{display:flex;flex-direction:column;align-items:center;gap:var(--space-3);margin-bottom:var(--space-12)}.hero__btn-primary{display:inline-flex;align-items:center;gap:var(--space-2);background:var(--color-accent);color:var(--color-text-inverse);font-family:var(--font-body);font-size:var(--text-lg);font-weight:600;padding:var(--space-4) var(--space-10);border-radius:var(--radius-full);border:none;cursor:pointer;box-shadow:var(--shadow-accent);transition:transform var(--duration-fast) var(--ease-out),background var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}.hero__btn-primary:hover{background:var(--color-accent-hover);transform:translateY(-2px);box-shadow:0 8px 32px var(--color-accent-glow)}.hero__btn-primary:active{transform:translateY(0)}.hero__cta-note{font-size:var(--text-sm);color:var(--color-text-muted)}.hero__waveform-container{display:flex;justify-content:center;color:var(--color-accent)}.hero__waveform{height:56px}.hero__comparison{background:var(--color-bg-subtle);border-top:1px solid var(--color-border);padding:var(--space-5) 0;margin-top:var(--space-4)}.hero__comparison-inner{display:flex;align-items:center;justify-content:center;gap:var(--space-8);flex-wrap:wrap}.hero__comparison-item{display:flex;flex-direction:column;gap:var(--space-1);text-align:center}.hero__comparison-label{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.08em;font-weight:600;color:var(--color-text-muted)}.hero__comparison-value{font-size:var(--text-base);font-weight:600}.hero__comparison-item--bad .hero__comparison-value{color:var(--color-error);text-decoration:line-through;opacity:.7}.hero__comparison-item--good .hero__comparison-value{color:var(--color-accent)}.hero__comparison-vs{font-size:var(--text-sm);font-weight:700;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.1em}@media (max-width: 640px){.hero__subtitle{font-size:var(--text-lg)}.hero__btn-primary{font-size:var(--text-base);padding:var(--space-3) var(--space-8)}}.spinner{display:inline-flex;align-items:center;justify-content:center}.spinner--sm{width:16px;height:16px}.spinner--md{width:20px;height:20px}.spinner__ring{display:block;width:100%;height:100%;border:2px solid transparent;border-top-color:currentColor;border-radius:50%;animation:spin .65s linear infinite}.voice-selector{display:flex;flex-direction:column;gap:var(--space-2);height:100%;min-height:0}.voice-selector--loading,.voice-selector--error{display:flex;align-items:center;justify-content:center;gap:var(--space-3);padding:var(--space-8);color:var(--color-text-secondary);font-size:var(--text-sm);background:var(--color-bg-subtle);border-radius:var(--radius-md);border:1px dashed var(--color-border)}.voice-selector--error{color:var(--color-error);background:var(--color-error-bg);border-color:#e53e3e33}.voice-selector__error-icon{font-size:var(--text-lg)}.voice-selector__search-wrap{position:relative}.voice-selector__search-icon{position:absolute;left:var(--space-3);top:50%;transform:translateY(-50%);color:var(--color-text-muted);pointer-events:none;display:flex}.voice-selector__search{width:100%;padding:var(--space-2) var(--space-3) var(--space-2) var(--space-8);font-family:var(--font-body);font-size:var(--text-sm);color:var(--color-text);background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:var(--radius-md);outline:none;transition:border-color var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}.voice-selector__search:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-light)}.voice-selector__search::placeholder{color:var(--color-text-muted)}.voice-selector__groups{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:var(--space-1);padding-right:var(--space-1)}.voice-selector__empty{padding:var(--space-4);text-align:center;font-size:var(--text-sm);color:var(--color-text-muted)}.voice-selector__group{border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--color-border);background:var(--color-surface)}.voice-selector__group-header{width:100%;display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);background:transparent;border:none;cursor:pointer;font-family:var(--font-body);color:var(--color-text-secondary);font-size:var(--text-sm);font-weight:500;text-align:left;transition:background var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.voice-selector__group-header:hover{background:var(--color-bg-subtle);color:var(--color-text)}.voice-selector__group-header.is-open{color:var(--color-text);border-bottom:1px solid var(--color-border)}.voice-selector__group-label{flex:1;font-weight:600}.voice-selector__group-label-static{padding:var(--space-2) var(--space-3);font-size:var(--text-xs);font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--color-border)}.voice-selector__group-count{font-size:var(--text-xs);font-weight:500;background:var(--color-bg-subtle);padding:1px 6px;border-radius:var(--radius-full);color:var(--color-text-muted)}.voice-selector__group-chevron{color:var(--color-text-muted);transition:transform var(--duration-fast) var(--ease-out);display:flex}.voice-selector__group-header.is-open .voice-selector__group-chevron{transform:rotate(180deg)}.voice-selector__voice-list{padding:var(--space-1);display:flex;flex-direction:column;gap:2px}.voice-selector__voice-item{width:100%;display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);background:transparent;border:none;border-radius:var(--radius-sm);cursor:pointer;font-family:var(--font-body);text-align:left;transition:background var(--duration-fast) var(--ease-out)}.voice-selector__voice-item:hover{background:var(--color-bg-subtle)}.voice-selector__voice-item.is-selected{background:var(--color-accent-light)}.voice-selector__gender-icon{font-size:var(--text-xs);width:18px;height:18px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-weight:600;flex-shrink:0}.voice-selector__gender-icon--female{background:#ec48991a;color:#db2777}.voice-selector__gender-icon--male{background:#3b82f61a;color:#2563eb}.voice-selector__voice-name{font-size:var(--text-sm);font-weight:500;color:var(--color-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.voice-selector__voice-item.is-selected .voice-selector__voice-name{color:var(--color-accent)}.voice-selector__voice-meta{font-size:var(--text-xs);color:var(--color-text-muted);white-space:nowrap;text-transform:capitalize}.voice-selector__check{color:var(--color-accent);display:flex;flex-shrink:0}.audio-player{border-radius:var(--radius-lg);border:1px solid var(--color-border);padding:var(--space-6);background:var(--color-surface);transition:background var(--duration-normal) var(--ease-out)}.audio-player--empty,.audio-player--generating{display:flex;flex-direction:column;align-items:center;gap:var(--space-3);padding:var(--space-10) var(--space-6);background:var(--color-bg-subtle);border-style:dashed}.audio-player--generating{background:var(--color-accent-light);border-color:#0ea87e4d}.audio-player__empty-wave{color:var(--color-border-strong);opacity:.5}.audio-player__generating-wave{color:var(--color-accent)}.audio-player__empty-text,.audio-player__generating-text{font-size:var(--text-sm);color:var(--color-text-muted)}.audio-player--generating .audio-player__generating-text{color:var(--color-accent);font-weight:500}.audio-player--ready{animation:fade-in-up .35s var(--ease-out) both}.audio-player__inner{display:flex;flex-direction:column;gap:var(--space-4)}.audio-player__element{width:100%;height:40px;border-radius:var(--radius-sm);accent-color:var(--color-accent)}.audio-player__download{display:inline-flex;align-items:center;gap:var(--space-2);align-self:flex-start;padding:var(--space-2) var(--space-5);font-family:var(--font-body);font-size:var(--text-sm);font-weight:600;color:var(--color-accent);background:var(--color-accent-light);border:1px solid rgba(14,168,126,.25);border-radius:var(--radius-full);cursor:pointer;transition:background var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}.audio-player__download:hover{background:#0ea87e2e;transform:translateY(-1px);box-shadow:var(--shadow-sm)}.audio-player__download:active{transform:translateY(0)}.audio-player__dl-anchor{display:none;pointer-events:none}.audio-player__download--locked{opacity:.75;cursor:pointer;border-style:dashed}.audio-player__download--locked:hover{background:#0ea87e1f;border-style:dashed}.audio-player__lock-badge{font-size:var(--text-xs);font-weight:700;color:var(--color-accent);background:var(--color-surface);border:1px solid rgba(14,168,126,.25);border-radius:var(--radius-full);padding:1px 6px;margin-left:var(--space-1)}.audio-player__rates{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin-top:12px}.audio-player__rates-label{font-size:.8rem;opacity:.7;margin-right:4px}.audio-player__rate{font:inherit;font-size:.85rem;padding:4px 10px;border-radius:999px;border:1px solid var(--color-border, rgba(0,0,0,.15));background:transparent;color:inherit;cursor:pointer;transition:transform var(--duration-fast,.15s) ease,background var(--duration-fast,.15s) ease}.audio-player__rate:hover{transform:translateY(-1px)}.audio-player__rate--active{background:var(--color-accent, #0ea87e);border-color:var(--color-accent, #0ea87e);color:#fff}.history-panel{margin-top:var(--space-8);padding-top:var(--space-8);border-top:1px solid var(--color-border);animation:fade-in-up .3s var(--ease-out) both}.history-panel__title{font-family:var(--font-display);font-size:var(--text-base);font-weight:700;color:var(--color-text-secondary);margin-bottom:var(--space-4);text-transform:uppercase;letter-spacing:.06em}.history-panel__list{display:flex;flex-direction:column;gap:var(--space-3)}.history-panel__item{padding:var(--space-4);background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:background var(--duration-fast) var(--ease-out)}.history-panel__item:hover{background:var(--color-surface-hover)}.history-panel__item-meta{display:flex;align-items:center;gap:var(--space-2);margin-bottom:var(--space-2)}.history-panel__voice-name{font-size:var(--text-sm);font-weight:600;color:var(--color-accent)}.history-panel__time{font-size:var(--text-xs);color:var(--color-text-muted)}.history-panel__speed{font-size:var(--text-xs);font-weight:500;color:var(--color-text-muted);background:var(--color-bg-subtle);border:1px solid var(--color-border);padding:0 var(--space-2);border-radius:var(--radius-full)}.history-panel__text{font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.5;margin-bottom:var(--space-3);word-break:break-word}.history-panel__actions{display:flex;align-items:center;gap:var(--space-3)}.history-panel__audio{flex:1;height:32px;accent-color:var(--color-accent)}.history-panel__dl{display:flex;align-items:center;justify-content:center;width:32px;height:32px;color:var(--color-text-secondary);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);transition:color var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out);flex-shrink:0}.history-panel__dl:hover{color:var(--color-accent);border-color:var(--color-accent);transform:translateY(-1px);text-decoration:none}.history-panel__dl--locked{border-style:dashed;opacity:.75;cursor:pointer}.history-panel__dl--locked:hover{color:var(--color-accent);border-color:var(--color-accent);border-style:dashed}.history-panel__dl-lock{font-size:10px;position:absolute;bottom:-2px;right:-2px}.tts-tool{padding:var(--space-section) 0;background:var(--color-bg)}.tts-tool__header{text-align:center;margin-bottom:var(--space-12)}.tts-tool__title{font-size:var(--text-4xl);color:var(--color-text);margin-bottom:var(--space-3)}.tts-tool__subtitle{font-size:var(--text-lg);color:var(--color-text-secondary)}.tts-tool__layout{display:grid;grid-template-columns:1fr 380px;gap:var(--space-8);align-items:start}.tts-tool__main{display:flex;flex-direction:column;gap:var(--space-5)}.tts-tool__sidebar{position:sticky;top:var(--space-8)}.tts-tool__sidebar .tts-tool__field{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-5);box-shadow:var(--shadow-md);max-height:480px;display:flex;flex-direction:column;gap:var(--space-3)}.tts-tool__field{display:flex;flex-direction:column;gap:var(--space-2)}.tts-tool__label{font-size:var(--text-sm);font-weight:600;color:var(--color-text-secondary);display:flex;align-items:center;gap:var(--space-2);text-transform:uppercase;letter-spacing:.05em}.tts-tool__loading-badge{display:inline-flex;align-items:center;gap:var(--space-1);font-size:var(--text-xs);font-weight:400;color:var(--color-text-muted);text-transform:none;letter-spacing:0}.tts-tool__textarea-wrap{position:relative;border:1.5px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);transition:border-color var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out);overflow:hidden}.tts-tool__textarea-wrap:focus-within{border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-light)}.tts-tool__textarea-wrap.is-over-limit{border-color:var(--color-error);box-shadow:0 0 0 3px #e53e3e1a}.tts-tool__textarea{width:100%;padding:var(--space-4);font-family:var(--font-body);font-size:var(--text-base);line-height:1.65;color:var(--color-text);background:transparent;border:none;outline:none;resize:vertical;min-height:200px}.tts-tool__textarea::placeholder{color:var(--color-text-muted)}.tts-tool__char-count{padding:var(--space-2) var(--space-4);font-size:var(--text-xs);color:var(--color-text-muted);background:var(--color-bg-subtle);border-top:1px solid var(--color-border);text-align:right}.tts-tool__char-over{color:var(--color-error);font-weight:600}.tts-tool__char-sep{opacity:.5}.tts-tool__char-warn{color:var(--color-error);font-weight:500}.tts-tool__tier-hint{font-size:var(--text-xs);color:var(--color-text-muted);margin-top:var(--space-1)}.tts-tool__tier-hint-link{color:var(--color-accent);font-weight:600;text-decoration:underline;cursor:pointer}.tts-tool__tier-hint-link:hover{color:var(--color-accent-hover)}.tts-tool__speed-header{display:flex;align-items:center;justify-content:space-between}.tts-tool__speed-value{font-size:var(--text-sm);font-weight:700;color:var(--color-accent);background:var(--color-accent-light);padding:2px var(--space-3);border-radius:var(--radius-full);min-width:48px;text-align:center}.tts-tool__speed-wrap{display:flex;align-items:center;gap:var(--space-3)}.tts-tool__speed-tick{font-size:var(--text-xs);color:var(--color-text-muted);white-space:nowrap;flex-shrink:0}.tts-tool__speed-slider{flex:1;height:4px;accent-color:var(--color-accent);cursor:pointer;background:var(--color-bg-subtle);border-radius:var(--radius-full)}.tts-tool__selected-voice{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);background:var(--color-accent-light);border:1px solid rgba(14,168,126,.2);border-radius:var(--radius-md);font-size:var(--text-sm);animation:fade-in-up .2s var(--ease-out) both}.tts-tool__selected-voice-label{color:var(--color-text-muted)}.tts-tool__selected-voice-name{font-weight:600;color:var(--color-accent)}.tts-tool__selected-voice-meta{color:var(--color-text-muted);font-size:var(--text-xs)}.tts-tool__error{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-4);background:var(--color-error-bg);border:1px solid rgba(229,62,62,.2);border-radius:var(--radius-md);color:var(--color-error);font-size:var(--text-sm);line-height:1.5;animation:fade-in-up .2s var(--ease-out) both}.tts-tool__error svg{flex-shrink:0;margin-top:2px}.tts-tool__generate-btn{display:flex;align-items:center;justify-content:center;gap:var(--space-3);width:100%;padding:var(--space-4) var(--space-6);font-family:var(--font-body);font-size:var(--text-lg);font-weight:700;color:var(--color-text-inverse);background:var(--color-accent);border:none;border-radius:var(--radius-lg);cursor:pointer;transition:background var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out),opacity var(--duration-fast) var(--ease-out);box-shadow:var(--shadow-accent)}.tts-tool__generate-btn:hover:not(:disabled){background:var(--color-accent-hover);transform:translateY(-2px);box-shadow:0 8px 28px var(--color-accent-glow)}.tts-tool__generate-btn:active:not(:disabled){transform:translateY(0);box-shadow:var(--shadow-accent)}.tts-tool__generate-btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.tts-tool__translate-toggle{display:flex;flex-direction:column;gap:var(--space-1)}.tts-tool__toggle-label{display:flex;align-items:center;gap:var(--space-3);cursor:pointer;-webkit-user-select:none;user-select:none}.tts-tool__toggle-label:has(.tts-tool__toggle-checkbox:disabled){cursor:not-allowed;opacity:.5}.tts-tool__toggle-checkbox{position:absolute;opacity:0;width:0;height:0}.tts-tool__toggle-track{position:relative;display:inline-block;width:36px;height:20px;flex-shrink:0;background:var(--color-border-strong);border-radius:var(--radius-full);transition:background var(--duration-fast) var(--ease-out)}.tts-tool__toggle-track:after{content:"";position:absolute;top:3px;left:3px;width:14px;height:14px;background:#fff;border-radius:var(--radius-full);box-shadow:var(--shadow-sm);transition:transform var(--duration-fast) var(--ease-out)}.tts-tool__toggle-checkbox:checked+.tts-tool__toggle-track{background:var(--color-accent)}.tts-tool__toggle-checkbox:checked+.tts-tool__toggle-track:after{transform:translate(16px)}.tts-tool__toggle-checkbox:focus-visible+.tts-tool__toggle-track{outline:2px solid var(--color-accent);outline-offset:2px}.tts-tool__toggle-text{font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.4}.tts-tool__toggle-hint{font-size:var(--text-xs);color:var(--color-text-muted);padding-left:calc(36px + var(--space-3))}.tts-tool__translation-preview{padding:var(--space-4);background:var(--color-bg-subtle);border:1px solid var(--color-border-strong);border-left:3px solid var(--color-accent);border-radius:var(--radius-md);animation:fade-in-up .2s var(--ease-out) both}.tts-tool__translation-header{display:flex;align-items:center;gap:var(--space-2);font-size:var(--text-xs);font-weight:600;color:var(--color-accent);text-transform:uppercase;letter-spacing:.06em;margin-bottom:var(--space-2)}.tts-tool__translation-text{font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.65;margin:0;white-space:pre-wrap}@media (max-width: 900px){.tts-tool__layout{grid-template-columns:1fr}.tts-tool__sidebar{position:static;order:-1}.tts-tool__sidebar .tts-tool__field{max-height:320px}}.lf-section{padding-block:var(--space-section);background:var(--color-bg-subtle);border-top:1px solid var(--color-border)}.lf-container{max-width:var(--container-max);margin-inline:auto;padding-inline:var(--space-6)}.lf-loading-auth{display:flex;align-items:center;gap:var(--space-3);color:var(--color-text-secondary);font-size:var(--text-sm);padding-block:var(--space-12);justify-content:center}.lf-header{margin-bottom:var(--space-8)}.lf-header__title{font-family:var(--font-display);font-size:var(--text-3xl);font-weight:800;letter-spacing:-.03em;color:var(--color-text);margin:0 0 var(--space-3)}.lf-header__subtitle{font-size:var(--text-base);color:var(--color-text-secondary);max-width:600px;margin:0;line-height:1.65}.lf-tabs{display:flex;gap:var(--space-1);margin-bottom:var(--space-8);border-bottom:2px solid var(--color-border);padding-bottom:0}.lf-tab{font-size:var(--text-sm);font-weight:600;font-family:var(--font-body);color:var(--color-text-secondary);background:none;border:none;border-bottom:2px solid transparent;padding:var(--space-3) var(--space-5);margin-bottom:-2px;cursor:pointer;transition:color var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out)}.lf-tab:hover{color:var(--color-text)}.lf-tab--active{color:var(--color-accent);border-bottom-color:var(--color-accent)}.lf-lock{max-width:520px;margin-inline:auto;text-align:center;padding-block:var(--space-12)}.lf-lock__icon{display:flex;align-items:center;justify-content:center;width:72px;height:72px;border-radius:var(--radius-xl);background:var(--color-accent-light);color:var(--color-accent);margin:0 auto var(--space-6)}.lf-lock__title{font-family:var(--font-display);font-size:var(--text-2xl);font-weight:800;letter-spacing:-.02em;color:var(--color-text);margin:0 0 var(--space-4)}.lf-lock__body{font-size:var(--text-base);color:var(--color-text-secondary);line-height:1.65;margin:0 0 var(--space-6)}.lf-lock__features{list-style:none;padding:0;margin:0 0 var(--space-8);text-align:left;display:grid;gap:var(--space-2)}.lf-lock__features li{display:flex;align-items:flex-start;gap:var(--space-3);font-size:var(--text-sm);color:var(--color-text-secondary);padding:var(--space-2) var(--space-4);background:var(--color-surface);border-radius:var(--radius-md);border:1px solid var(--color-border)}.lf-lock__features li:before{content:"✓";color:var(--color-accent);font-weight:700;flex-shrink:0;margin-top:1px}.lf-lock__actions{display:flex;gap:var(--space-3);justify-content:center;flex-wrap:wrap}.lf-lock__btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);font-size:var(--text-sm);font-weight:600;border-radius:var(--radius-full);border:none;cursor:pointer;transition:transform var(--duration-fast) var(--ease-out),opacity var(--duration-fast) var(--ease-out)}.lf-lock__btn:hover{transform:translateY(-1px)}.lf-lock__btn--primary{background:var(--color-accent);color:#fff}.lf-lock__btn--primary:hover{background:var(--color-accent-hover)}.lf-lock__btn--secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border-strong)}.lf-new__layout{display:grid;grid-template-columns:1fr 340px;gap:var(--space-8);align-items:start}@media (max-width: 900px){.lf-new__layout{grid-template-columns:1fr}}.lf-new__field{display:flex;flex-direction:column;gap:var(--space-3);margin-bottom:var(--space-5)}.lf-new__label{font-size:var(--text-sm);font-weight:600;color:var(--color-text)}.lf-new__optional{font-weight:400;color:var(--color-text-muted);margin-left:var(--space-1)}.lf-new__input{width:100%;padding:var(--space-3) var(--space-4);font-size:var(--text-base);font-family:var(--font-body);color:var(--color-text);background:var(--color-surface);border:1.5px solid var(--color-border-strong);border-radius:var(--radius-md);transition:border-color var(--duration-fast) var(--ease-out);box-sizing:border-box}.lf-new__input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-light)}.lf-new__text-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--space-2)}.lf-new__import-row{display:flex;align-items:center;gap:var(--space-2);flex-wrap:wrap}.lf-new__import-btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);font-size:var(--text-xs);font-weight:600;font-family:var(--font-body);color:var(--color-text-secondary);background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);cursor:pointer;transition:color var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out)}.lf-new__import-btn:hover:not(:disabled){color:var(--color-accent);border-color:var(--color-accent);transform:translateY(-1px)}.lf-new__import-btn:disabled{opacity:.5;cursor:not-allowed}.lf-new__file-input{display:none}.lf-new__url-panel{display:flex;gap:var(--space-2);align-items:center;animation:lf-slide-in var(--duration-normal) var(--ease-out)}@keyframes lf-slide-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.lf-new__url-input{flex:1}.lf-new__import-confirm-btn{flex-shrink:0;padding:var(--space-3) var(--space-5);font-size:var(--text-sm);font-weight:600;font-family:var(--font-body);color:#fff;background:var(--color-accent);border:none;border-radius:var(--radius-md);cursor:pointer;transition:background var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out);display:inline-flex;align-items:center;gap:var(--space-2)}.lf-new__import-confirm-btn:hover:not(:disabled){background:var(--color-accent-hover);transform:translateY(-1px)}.lf-new__import-confirm-btn:disabled{opacity:.5;cursor:not-allowed}.lf-new__textarea{width:100%;padding:var(--space-4);font-size:var(--text-base);font-family:var(--font-body);color:var(--color-text);background:var(--color-surface);border:1.5px solid var(--color-border-strong);border-radius:var(--radius-md);resize:vertical;min-height:300px;line-height:1.65;transition:border-color var(--duration-fast) var(--ease-out);box-sizing:border-box}.lf-new__textarea:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-light)}.lf-new__text-meta{font-size:var(--text-xs);color:var(--color-text-muted);margin:0}.lf-new__error{font-size:var(--text-sm);color:var(--color-error);background:var(--color-error-bg);border:1px solid rgba(229,62,62,.2);border-radius:var(--radius-sm);padding:var(--space-3) var(--space-4);margin:0}.lf-new__speed-header{display:flex;align-items:center;justify-content:space-between}.lf-new__speed-value{font-size:var(--text-sm);font-weight:700;color:var(--color-accent)}.lf-new__speed-wrap{display:flex;align-items:center;gap:var(--space-3)}.lf-new__speed-tick{font-size:var(--text-xs);color:var(--color-text-muted);white-space:nowrap}.lf-new__speed-slider{flex:1;accent-color:var(--color-accent);height:4px;cursor:pointer}.lf-new__generate-btn{display:inline-flex;align-items:center;gap:var(--space-3);padding:var(--space-4) var(--space-8);font-size:var(--text-base);font-weight:700;font-family:var(--font-display);color:#fff;background:var(--color-accent);border:none;border-radius:var(--radius-full);cursor:pointer;transition:background var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out),opacity var(--duration-fast) var(--ease-out);box-shadow:var(--shadow-accent);width:100%;justify-content:center}.lf-new__generate-btn:hover:not(:disabled){background:var(--color-accent-hover);transform:translateY(-2px)}.lf-new__generate-btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.lf-progress{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6);margin-bottom:var(--space-6)}.lf-progress__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-3)}.lf-progress__label{font-size:var(--text-sm);font-weight:600;color:var(--color-text)}.lf-progress__pct{font-size:var(--text-sm);font-weight:700;color:var(--color-accent)}.lf-progress__bar-track{height:8px;background:var(--color-bg-subtle);border-radius:var(--radius-full);overflow:hidden;margin-bottom:var(--space-5)}.lf-progress__bar-fill{height:100%;background:var(--color-accent);border-radius:var(--radius-full);transition:width var(--duration-slow) var(--ease-out)}.lf-progress__chunks{display:flex;flex-direction:column;gap:var(--space-2);max-height:280px;overflow-y:auto}.lf-progress__chunk{display:flex;align-items:flex-start;gap:var(--space-3);font-size:var(--text-xs);color:var(--color-text-secondary);padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);background:var(--color-bg-subtle)}.lf-progress__chunk-icon{flex-shrink:0;width:18px;height:18px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700}.lf-progress__chunk-icon--done{background:var(--color-accent-light);color:var(--color-accent)}.lf-progress__chunk-icon--error{background:var(--color-error-bg);color:var(--color-error)}.lf-progress__chunk-icon--generating{background:#d977061f;color:var(--color-warning);animation:lf-pulse 1s ease-in-out infinite}.lf-progress__chunk-icon--pending{background:var(--color-border);color:var(--color-text-muted)}@keyframes lf-pulse{0%,to{opacity:1}50%{opacity:.5}}.lf-progress__chunk-text{flex:1;line-height:1.5}.lf-project{animation:lf-slide-in var(--duration-normal) var(--ease-out)}.lf-project__back{display:inline-flex;align-items:center;gap:var(--space-2);font-size:var(--text-sm);font-weight:500;color:var(--color-text-secondary);background:none;border:none;cursor:pointer;padding:var(--space-2) 0;margin-bottom:var(--space-5);transition:color var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out)}.lf-project__back:hover{color:var(--color-text);transform:translate(-2px)}.lf-project__header{margin-bottom:var(--space-6)}.lf-project__title{font-family:var(--font-display);font-size:var(--text-2xl);font-weight:800;letter-spacing:-.02em;color:var(--color-text);margin:0 0 var(--space-3)}.lf-project__meta{display:flex;align-items:center;gap:var(--space-4);flex-wrap:wrap}.lf-project__status{display:inline-flex;align-items:center;padding:var(--space-1) var(--space-3);font-size:var(--text-xs);font-weight:700;border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.05em}.lf-project__status--done{background:var(--color-accent-light);color:var(--color-accent)}.lf-project__status--generating{background:#d977061f;color:var(--color-warning)}.lf-project__status--error{background:var(--color-error-bg);color:var(--color-error)}.lf-project__duration,.lf-project__voice{font-size:var(--text-sm);color:var(--color-text-muted)}.lf-project__error-banner{background:var(--color-error-bg);border:1px solid rgba(229,62,62,.2);border-radius:var(--radius-md);padding:var(--space-4) var(--space-5);font-size:var(--text-sm);color:var(--color-error);margin-bottom:var(--space-6)}.lf-project__player-section{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6);margin-bottom:var(--space-6);box-shadow:var(--shadow-sm)}.lf-project__audio{width:100%;border-radius:var(--radius-sm);margin-bottom:var(--space-4)}.lf-project__downloads{display:flex;gap:var(--space-3);flex-wrap:wrap}.lf-project__dl-btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);font-size:var(--text-sm);font-weight:600;font-family:var(--font-body);border-radius:var(--radius-md);border:none;cursor:pointer;transition:transform var(--duration-fast) var(--ease-out),opacity var(--duration-fast) var(--ease-out);background:var(--color-accent);color:#fff}.lf-project__dl-btn:hover{transform:translateY(-1px);background:var(--color-accent-hover)}.lf-project__dl-btn--secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border-strong)}.lf-project__dl-btn--secondary:hover{background:var(--color-bg-subtle)}.lf-project__chunks{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6);box-shadow:var(--shadow-sm)}.lf-project__chunks-title{font-family:var(--font-display);font-size:var(--text-lg);font-weight:700;color:var(--color-text);margin:0 0 var(--space-5);display:flex;align-items:center;gap:var(--space-3)}.lf-project__chunks-count{font-size:var(--text-sm);font-weight:500;color:var(--color-text-muted)}.lf-project__chunk-list{display:flex;flex-direction:column;gap:var(--space-3)}.lf-chunk{background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-4);transition:border-color var(--duration-fast) var(--ease-out)}.lf-chunk--error{border-color:#e53e3e4d;background:var(--color-error-bg)}.lf-chunk--done{border-color:#0ea87e33}.lf-chunk__top{display:flex;align-items:flex-start;gap:var(--space-3);margin-bottom:var(--space-3)}.lf-chunk__badge{flex-shrink:0;width:24px;height:24px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:var(--text-xs);font-weight:700;background:var(--color-border);color:var(--color-text-secondary)}.lf-chunk__badge--done{background:var(--color-accent-light);color:var(--color-accent)}.lf-chunk__badge--error{background:var(--color-error-bg);color:var(--color-error)}.lf-chunk__badge--generating{background:#d977061f;color:var(--color-warning);animation:lf-pulse 1s ease-in-out infinite}.lf-chunk__text{flex:1;font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.6;margin:0}.lf-chunk__footer{display:flex;align-items:center;justify-content:space-between}.lf-chunk__dur{font-size:var(--text-xs);color:var(--color-text-muted);font-variant-numeric:tabular-nums}.lf-chunk__regen-btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-1) var(--space-3);font-size:var(--text-xs);font-weight:600;font-family:var(--font-body);color:var(--color-text-secondary);background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);cursor:pointer;transition:color var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out)}.lf-chunk__regen-btn:hover:not(:disabled){color:var(--color-accent);border-color:var(--color-accent);transform:translateY(-1px)}.lf-chunk__regen-btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.lf-history{animation:lf-slide-in var(--duration-normal) var(--ease-out)}.lf-history--loading,.lf-history--error{display:flex;align-items:center;gap:var(--space-3);padding-block:var(--space-12);justify-content:center;color:var(--color-text-secondary);font-size:var(--text-sm)}.lf-history--error{color:var(--color-error)}.lf-history--empty{display:flex;flex-direction:column;align-items:center;text-align:center;padding-block:var(--space-12);gap:var(--space-4)}.lf-history__empty-icon{color:var(--color-text-muted);opacity:.5}.lf-history__empty-text{font-size:var(--text-base);color:var(--color-text-secondary);margin:0}.lf-history__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-5)}.lf-history__title{font-family:var(--font-display);font-size:var(--text-xl);font-weight:700;color:var(--color-text);margin:0}.lf-history__new-btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);font-size:var(--text-sm);font-weight:600;font-family:var(--font-body);color:var(--color-accent);background:var(--color-accent-light);border:none;border-radius:var(--radius-md);cursor:pointer;transition:opacity var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out)}.lf-history__new-btn:hover{opacity:.85;transform:translateY(-1px)}.lf-history__list{display:flex;flex-direction:column;gap:var(--space-3)}.lf-history-item{display:flex;align-items:stretch;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out)}.lf-history-item:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.lf-history-item__body{flex:1;text-align:left;background:none;border:none;cursor:pointer;padding:var(--space-4) var(--space-5);display:flex;flex-direction:column;gap:var(--space-2)}.lf-history-item__top{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.lf-history-item__title{font-size:var(--text-base);font-weight:600;color:var(--color-text);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lf-history-item__status{flex-shrink:0;font-size:var(--text-xs);font-weight:700;padding:var(--space-1) var(--space-2);border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.04em}.lf-history-item__status--done{background:var(--color-accent-light);color:var(--color-accent)}.lf-history-item__status--generating{background:#d977061f;color:var(--color-warning)}.lf-history-item__status--error{background:var(--color-error-bg);color:var(--color-error)}.lf-history-item__meta{display:flex;align-items:center;gap:var(--space-4)}.lf-history-item__date{font-size:var(--text-xs);color:var(--color-text-muted)}.lf-history-item__bar-wrap{flex:1;height:4px;background:var(--color-bg-subtle);border-radius:var(--radius-full);overflow:hidden;max-width:100px}.lf-history-item__bar-fill{display:block;height:100%;background:var(--color-accent);border-radius:var(--radius-full)}.lf-history-item__delete{flex-shrink:0;width:44px;display:flex;align-items:center;justify-content:center;background:none;border:none;border-left:1px solid var(--color-border);cursor:pointer;color:var(--color-text-muted);transition:color var(--duration-fast) var(--ease-out),background var(--duration-fast) var(--ease-out)}.lf-history-item__delete:hover{color:var(--color-error);background:var(--color-error-bg)}.lf-project-loading,.lf-project-error{display:flex;align-items:center;gap:var(--space-3);padding-block:var(--space-12);justify-content:center;font-size:var(--text-sm)}.lf-project-loading{color:var(--color-text-secondary)}.lf-project-error{color:var(--color-error)}.features-section{padding:var(--space-section) 0;background:var(--color-bg-subtle);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}.features-section__header{text-align:center;margin-bottom:var(--space-12)}.features-section__title{font-size:var(--text-4xl);color:var(--color-text);margin-bottom:var(--space-3)}.features-section__subtitle{font-size:var(--text-lg);color:var(--color-text-secondary)}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-5)}.feature-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-8);display:flex;flex-direction:column;gap:var(--space-3);transition:transform var(--duration-normal) var(--ease-out),box-shadow var(--duration-normal) var(--ease-out),border-color var(--duration-normal) var(--ease-out)}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#0ea87e33}.feature-card__icon{display:flex;width:48px;height:48px;align-items:center;justify-content:center;background:var(--color-accent-light);color:var(--color-accent);border-radius:var(--radius-lg);flex-shrink:0}.feature-card__title{font-family:var(--font-display);font-size:var(--text-xl);font-weight:700;color:var(--color-text);letter-spacing:-.01em}.feature-card__desc{font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.65}.faq-section{padding:var(--space-section) 0;background:var(--color-bg)}.faq-section__title{font-size:var(--text-4xl);color:var(--color-text);text-align:center;margin-bottom:var(--space-12)}.faq-list{display:flex;flex-direction:column;gap:var(--space-3)}.faq-item{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);overflow:hidden;transition:border-color var(--duration-fast) var(--ease-out)}.faq-item[open]{border-color:#0ea87e40}.faq-item__question{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:var(--space-5) var(--space-6);cursor:pointer;font-size:var(--text-base);font-weight:600;color:var(--color-text);list-style:none;transition:background var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.faq-item__question::-webkit-details-marker{display:none}.faq-item__question:hover{background:var(--color-bg-subtle);color:var(--color-accent)}.faq-item[open] .faq-item__question{color:var(--color-accent);border-bottom:1px solid var(--color-border)}.faq-item__chevron{color:var(--color-text-muted);flex-shrink:0;display:flex;transition:transform var(--duration-fast) var(--ease-out)}.faq-item[open] .faq-item__chevron{transform:rotate(180deg)}.faq-item__answer{padding:var(--space-5) var(--space-6);font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.7}@media (max-width: 900px){.features-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 600px){.features-grid{grid-template-columns:1fr}}.footer{padding:var(--space-12) 0;background:var(--color-bg-subtle);border-top:1px solid var(--color-border)}.footer__inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-8);flex-wrap:wrap}.footer__logo{font-family:var(--font-display);font-size:var(--text-xl);font-weight:800;color:var(--color-text);letter-spacing:-.02em}.footer__tagline{font-size:var(--text-sm);color:var(--color-text-muted);margin-top:var(--space-1)}.footer__meta{text-align:right}.footer__copy{font-size:var(--text-sm);color:var(--color-text-secondary)}.footer__disclaimer{font-size:var(--text-xs);color:var(--color-text-muted);margin-top:var(--space-1)}@media (max-width: 600px){.footer__meta{text-align:left}}.auth-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#00000059;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:200;padding:var(--space-4);animation:auth-fade var(--duration-normal) var(--ease-out)}@keyframes auth-fade{0%{opacity:0}to{opacity:1}}.auth-modal{width:min(400px,94vw);background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg),0 0 0 1px #0ea87e0f;overflow:hidden;animation:auth-rise var(--duration-normal) var(--ease-out)}@keyframes auth-rise{0%{transform:translateY(12px);opacity:0}to{transform:translateY(0);opacity:1}}.auth-header{position:relative;display:flex;flex-direction:column;align-items:center;gap:var(--space-1);padding:var(--space-8) var(--space-6) var(--space-5);text-align:center;background:linear-gradient(180deg,var(--color-accent-light),transparent);border-bottom:1px solid var(--color-border)}.auth-brandmark{display:flex;align-items:center;justify-content:center;width:44px;height:44px;margin-bottom:var(--space-2);color:var(--color-accent);background:var(--color-accent-light);border-radius:var(--radius-md);border:1px solid rgba(14,168,126,.2)}.auth-title{font-family:var(--font-display);font-size:var(--text-xl);font-weight:700;color:var(--color-text);letter-spacing:-.01em}.auth-subtitle{font-size:var(--text-sm);color:var(--color-text-secondary)}.auth-close{position:absolute;top:var(--space-4);right:var(--space-4);color:var(--color-text-muted);font-size:var(--text-base);line-height:1;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:color var(--duration-fast) var(--ease-out),background var(--duration-fast) var(--ease-out)}.auth-close:hover:not(:disabled){color:var(--color-text);background:var(--color-bg-subtle)}.auth-close:disabled{opacity:.4;cursor:not-allowed}.auth-form{display:flex;flex-direction:column;gap:var(--space-4);padding:var(--space-6)}.auth-field{display:flex;flex-direction:column;gap:var(--space-1)}.auth-label{font-size:var(--text-xs);font-weight:600;color:var(--color-text-secondary);letter-spacing:.04em;text-transform:uppercase}.auth-input{height:42px;padding:0 var(--space-3);background:var(--color-bg);border:1.5px solid var(--color-border-strong);border-radius:var(--radius-md);color:var(--color-text);font-size:var(--text-base);font-family:var(--font-body);transition:border-color var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}.auth-input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-glow)}.auth-input:disabled{opacity:.6;cursor:not-allowed}.auth-hint{font-size:var(--text-xs);color:var(--color-text-muted)}.auth-error{font-size:var(--text-sm);color:var(--color-error);background:var(--color-error-bg);border:1px solid rgba(229,62,62,.2);border-radius:var(--radius-md);padding:var(--space-2) var(--space-3)}.auth-submit{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);height:44px;margin-top:var(--space-1);background:var(--color-accent);color:#fff;font-size:var(--text-base);font-weight:600;border-radius:var(--radius-md);transition:background var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}.auth-submit:hover:not(:disabled){background:var(--color-accent-hover);box-shadow:var(--shadow-accent)}.auth-submit:active:not(:disabled){transform:scale(.985)}.auth-submit:disabled{opacity:.65;cursor:not-allowed}.auth-spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:auth-spin .7s linear infinite}@keyframes auth-spin{to{transform:rotate(360deg)}}.auth-footer{display:flex;align-items:center;justify-content:center;gap:var(--space-1);padding:var(--space-4) var(--space-6) var(--space-6);font-size:var(--text-sm);color:var(--color-text-secondary);border-top:1px solid var(--color-border);background:var(--color-bg-subtle)}.auth-switch{color:var(--color-accent);font-weight:600;font-size:var(--text-sm);padding:2px 4px;border-radius:4px;transition:color var(--duration-fast) var(--ease-out)}.auth-switch:hover:not(:disabled){color:var(--color-accent-hover);text-decoration:underline}.auth-switch:disabled{opacity:.5;cursor:not-allowed}.redeem-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#00000059;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:210;padding:var(--space-4);animation:auth-fade var(--duration-normal) var(--ease-out)}.redeem-modal{width:min(400px,94vw);background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg),0 0 0 1px #0ea87e14;overflow:hidden;animation:auth-rise var(--duration-normal) var(--ease-out)}.redeem-header{position:relative;display:flex;flex-direction:column;align-items:center;gap:var(--space-1);padding:var(--space-8) var(--space-6) var(--space-5);text-align:center;background:linear-gradient(180deg,rgba(14,168,126,.08),transparent);border-bottom:1px solid var(--color-border)}.redeem-crown{display:flex;align-items:center;justify-content:center;width:44px;height:44px;margin-bottom:var(--space-2);font-size:20px;color:#fff;background:linear-gradient(135deg,var(--color-accent),var(--color-accent-hover));border-radius:var(--radius-md);box-shadow:0 4px 14px var(--color-accent-glow)}.redeem-title{font-family:var(--font-display);font-size:var(--text-xl);font-weight:700;color:var(--color-text)}.redeem-subtitle{font-size:var(--text-sm);color:var(--color-text-secondary);max-width:300px;line-height:1.5}.redeem-close{position:absolute;top:var(--space-4);right:var(--space-4);color:var(--color-text-muted);font-size:var(--text-base);line-height:1;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:color var(--duration-fast) var(--ease-out),background var(--duration-fast) var(--ease-out)}.redeem-close:hover:not(:disabled){color:var(--color-text);background:var(--color-bg-subtle)}.redeem-close:disabled{opacity:.4;cursor:not-allowed}.redeem-form{display:flex;flex-direction:column;gap:var(--space-3);padding:var(--space-6)}.redeem-input{height:48px;padding:0 var(--space-4);background:var(--color-bg);border:1.5px solid var(--color-border-strong);border-radius:var(--radius-md);color:var(--color-text);font-size:var(--text-lg);letter-spacing:.12em;text-align:center;transition:border-color var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}.redeem-input::placeholder{color:var(--color-text-muted);letter-spacing:.12em}.redeem-input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-glow)}.redeem-input:disabled{opacity:.6;cursor:not-allowed}.redeem-error{font-size:var(--text-sm);color:var(--color-error);background:var(--color-error-bg);border:1px solid rgba(229,62,62,.2);border-radius:var(--radius-md);padding:var(--space-2) var(--space-3)}.redeem-submit{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);height:44px;background:var(--color-accent);color:#fff;font-size:var(--text-base);font-weight:600;border-radius:var(--radius-md);transition:background var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}.redeem-submit:hover:not(:disabled){background:var(--color-accent-hover);box-shadow:var(--shadow-accent)}.redeem-submit:active:not(:disabled){transform:scale(.985)}.redeem-submit:disabled{opacity:.65;cursor:not-allowed}.redeem-spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:auth-spin .7s linear infinite}.paywall-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#00000059;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:205;padding:var(--space-4);animation:auth-fade var(--duration-normal) var(--ease-out)}.paywall-modal{width:min(440px,94vw);background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden;animation:auth-rise var(--duration-normal) var(--ease-out)}.paywall-header{position:relative;display:flex;flex-direction:column;align-items:center;gap:var(--space-2);padding:var(--space-8) var(--space-6) var(--space-5);text-align:center;background:linear-gradient(180deg,var(--color-accent-light),transparent);border-bottom:1px solid var(--color-border)}.paywall-icon{font-size:28px;line-height:1;margin-bottom:var(--space-1)}.paywall-title{font-family:var(--font-display);font-size:var(--text-xl);font-weight:700;color:var(--color-text)}.paywall-body{font-size:var(--text-sm);color:var(--color-text-secondary);max-width:340px;line-height:1.6}.paywall-close{position:absolute;top:var(--space-4);right:var(--space-4);color:var(--color-text-muted);font-size:var(--text-base);line-height:1;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:color var(--duration-fast) var(--ease-out),background var(--duration-fast) var(--ease-out)}.paywall-close:hover{color:var(--color-text);background:var(--color-bg-subtle)}.paywall-table{padding:var(--space-4) var(--space-6);display:flex;flex-direction:column;gap:2px;background:var(--color-bg-subtle);border-bottom:1px solid var(--color-border)}.paywall-row{display:grid;grid-template-columns:1.8fr .8fr .8fr .8fr;align-items:center;border-radius:var(--radius-sm)}.paywall-row--head{margin-bottom:var(--space-1)}.paywall-cell{padding:5px 4px;font-size:var(--text-xs);color:var(--color-text-secondary);text-align:center}.paywall-row--head .paywall-cell{font-weight:700;color:var(--color-text-muted);font-size:.7rem;letter-spacing:.04em;text-transform:uppercase}.paywall-cell--feature{text-align:left;color:var(--color-text);font-size:var(--text-sm)}.paywall-cell--pro{color:var(--color-accent);font-weight:600}.paywall-cell--hl{background:var(--color-accent-light);border-radius:4px;color:var(--color-accent);font-weight:600}.paywall-row--head .paywall-cell--pro{color:var(--color-accent)}.paywall-footer{display:flex;justify-content:flex-end;gap:var(--space-2);padding:var(--space-4) var(--space-6) var(--space-5)}.paywall-btn{height:38px;padding:0 var(--space-5);border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:600;transition:background var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}.paywall-btn--ghost{color:var(--color-text-secondary);background:var(--color-bg-subtle);border:1px solid var(--color-border-strong)}.paywall-btn--ghost:hover{background:var(--color-border);color:var(--color-text)}.paywall-btn--primary{color:#fff;background:var(--color-accent)}.paywall-btn--primary:hover{background:var(--color-accent-hover);box-shadow:var(--shadow-accent)}.paywall-btn:active{transform:scale(.98)}