@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap";:root{--bg-primary: #0a0a0f;--bg-secondary: #13131c;--bg-tertiary: #1c1c28;--brand-primary: #6366f1;--brand-secondary: #8b5cf6;--brand-glow: rgba(99, 102, 241, .4);--text-primary: #ffffff;--text-secondary: #94a3b8;--text-muted: #64748b;--danger: #ef4444;--success: #10b981;--glass-bg: rgba(19, 19, 28, .65);--glass-border: rgba(255, 255, 255, .08);--navbar-bg: rgba(10, 10, 15, .8);--mobile-nav-bg: rgba(13, 13, 21, .9);--input-bg: rgba(0, 0, 0, .2);--card-hover-border: rgba(255, 255, 255, .15);--lyric-word-hover-bg: rgba(255, 255, 255, .1);--kanji-dashed-border: rgba(255, 255, 255, .5);--reading-format-active-bg: rgba(99, 102, 241, .15);--reading-format-inactive-bg: rgba(255, 255, 255, .03);--body-bg-image: radial-gradient(circle at 15% 50%, rgba(99, 102, 241, .08), transparent 25%), radial-gradient(circle at 85% 30%, rgba(139, 92, 246, .08), transparent 25%)}[data-theme=light]{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-tertiary: #f1f5f9;--brand-primary: #4f46e5;--brand-secondary: #7c3aed;--brand-glow: rgba(79, 70, 229, .1);--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--glass-bg: rgba(255, 255, 255, .7);--glass-border: rgba(15, 23, 42, .08);--navbar-bg: rgba(248, 250, 252, .8);--mobile-nav-bg: rgba(255, 255, 255, .95);--input-bg: rgba(15, 23, 42, .04);--card-hover-border: rgba(99, 102, 241, .25);--lyric-word-hover-bg: rgba(99, 102, 241, .08);--kanji-dashed-border: rgba(15, 23, 42, .3);--reading-format-active-bg: rgba(99, 102, 241, .1);--reading-format-inactive-bg: rgba(15, 23, 42, .02);--body-bg-image: radial-gradient(circle at 15% 50%, rgba(99, 102, 241, .04), transparent 25%), radial-gradient(circle at 85% 30%, rgba(139, 92, 246, .04), transparent 25%)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;overflow-x:hidden;background-image:var(--body-bg-image);background-attachment:fixed}h1,h2,h3,h4,h5,h6{font-family:Outfit,sans-serif;letter-spacing:-.02em}.glass-panel{background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:16px;box-shadow:0 4px 30px #0000001a}.title-gradient{background:linear-gradient(135deg,#fff 0%,#a5b4fc 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}[data-theme=light] .title-gradient{background:linear-gradient(135deg,#1e1b4b 0%,#4f46e5 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.btn{background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));color:#fff;border:none;padding:10px 24px;border-radius:12px;font-family:Inter,sans-serif;font-weight:500;font-size:.95rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 15px var(--brand-glow)}.btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px var(--brand-glow)}.btn-outline{background:transparent;border:1px solid var(--brand-primary);box-shadow:none;color:var(--brand-primary)}.btn-outline:hover{background:rgba(99,102,241,.1);box-shadow:none}input,select,textarea{background:var(--input-bg);border:1px solid var(--glass-border);color:var(--text-primary);padding:12px 16px;border-radius:12px;font-family:Inter,sans-serif;outline:none;transition:all .3s ease}input:focus{border-color:var(--brand-primary);box-shadow:0 0 0 2px var(--brand-glow)}.app-container{display:flex;flex-direction:column;min-height:100vh}.navbar{padding:1.5rem 5%;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--glass-border);background:var(--navbar-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0;z-index:100}.nav-brand{font-family:Outfit,sans-serif;font-weight:800;font-size:1.5rem;display:flex;align-items:center;gap:.5rem;text-decoration:none}.nav-links{display:flex;gap:2rem}.nav-link{color:var(--text-secondary);text-decoration:none;font-size:.95rem;font-weight:500;transition:color .2s ease}.nav-link:hover,.nav-link.active{color:var(--text-primary)}.mobile-bottom-nav{display:none!important}@media (max-width: 768px){.mobile-bottom-nav{display:flex!important}}main.content{flex:1;padding:3rem 5%;max-width:1400px;margin:0 auto;width:100%}.page-enter{opacity:0;transform:translateY(10px);animation:fadeUp .5s forwards cubic-bezier(.16,1,.3,1)}@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.kanji-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2001;width:90%;max-width:650px;padding:2.5rem;max-height:85vh;overflow-y:auto;box-sizing:border-box;animation:modalEnter .3s cubic-bezier(.16,1,.3,1)}@keyframes modalEnter{0%{opacity:0;transform:translate(-50%,-45%) scale(.95)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}@media (max-width: 768px){.kanji-modal{padding:1rem!important;width:88%!important;max-height:75vh;margin:0}.kanji-modal h1{font-size:1.8rem!important}.kanji-modal p{font-size:.85rem!important;line-height:1.4!important}.kanji-modal h3{font-size:.75rem!important;margin-bottom:.75rem!important}.kanji-modal .btn{font-size:.75rem!important;padding:.4rem .6rem!important;white-space:nowrap!important}.kanji-modal span[style*="font-size: 2rem"]{font-size:1.4rem!important;margin-right:.5rem!important}.kanji-modal span[style*="color: var(--text-secondary)"]{font-size:.8rem!important}.kanji-modal .glass-panel{padding:.75rem!important;gap:.5rem!important}}.song-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem;margin-top:2rem}.song-card{padding:1.5rem;display:flex;flex-direction:column;gap:1rem;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden}.song-card:before{content:"";position:fixed;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,transparent,rgba(255,255,255,.03));opacity:0;transition:opacity .3s ease}.song-card:hover{transform:translateY(-5px);border-color:var(--card-hover-border)}.song-card:hover:before{opacity:1}.song-status{position:absolute;top:1rem;right:1rem;padding:5px 12px;border-radius:20px;font-size:.75rem;font-weight:700;box-shadow:0 4px 12px #0000004d;letter-spacing:.02em;text-transform:uppercase}.status-completed{background-color:#10b981!important;color:#fff!important}.status-in-progress{background-color:var(--brand-primary)!important;color:#fff!important}.status-not-started{background-color:#d97706!important;color:#fff!important}.viewer-layout{display:grid;grid-template-columns:1fr 1fr;gap:3rem;height:calc(100vh - 150px)}.lyrics-container{overflow-y:auto;padding-right:1rem;display:flex;flex-direction:column;gap:1.5rem}.lyrics-container::-webkit-scrollbar{width:6px}.lyrics-container::-webkit-scrollbar-track{background:transparent}.lyrics-container::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:10px}.lyric-line{font-size:1.5rem;line-height:1.8;color:var(--text-secondary);transition:all .2s ease}.lyric-line:hover{color:var(--text-primary)}.lyric-word{cursor:pointer;padding:0 2px;border-radius:4px;transition:all .15s ease;position:relative}.lyric-word:hover{background:var(--lyric-word-hover-bg);color:var(--brand-primary)}.lyric-word.kanji{border-bottom:2px dashed var(--kanji-dashed-border)}.kanji-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);width:90%;max-width:500px;max-height:85vh;overflow-y:auto;z-index:1000;padding:2rem}.highlight-line{background:rgba(99,102,241,.15)!important;box-shadow:0 0 15px #6366f133;border:1px solid var(--brand-primary)!important}.hover-bright:hover{background:rgba(255,255,255,.08)!important;transform:translate(4px);border-color:var(--brand-primary)!important}@media (max-width: 768px){:root{--navbar-height: 60px;--mobile-nav-height: 70px}body{padding-bottom:var(--mobile-nav-height)}.navbar{padding:1rem 5%;position:fixed;width:100%;top:0}.nav-links{display:none}main.content{padding:1.5rem 4%;margin-top:calc(var(--navbar-height) + 1rem)}h1{font-size:2.2rem!important}h2{font-size:1.8rem!important}.glass-panel{padding:1.25rem!important}.song-grid{grid-template-columns:1fr;gap:1rem}.viewer-layout{display:flex;flex-direction:column;height:auto;gap:2rem;overflow:visible}.lyrics-container{height:auto!important;max-height:none!important;overflow:visible!important}.media-container iframe{height:auto;aspect-ratio:16/9}.lyrics-container{padding-right:0}.lyric-line{font-size:1.2rem;line-height:1.6}.mobile-bottom-nav{position:fixed;bottom:0;left:0;width:100%;height:var(--mobile-nav-height);background:var(--mobile-nav-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--glass-border);display:flex;justify-content:space-around;align-items:center;z-index:1000;padding-bottom:env(safe-area-inset-bottom)}.mobile-nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--text-secondary);text-decoration:none;font-size:.7rem;font-weight:500;flex:1;height:100%;justify-content:center}.mobile-nav-item.active{color:var(--brand-primary)}.mobile-nav-item svg{width:20px;height:20px}}@media (max-width: 900px){.settings-grid,.stats-grid,.info-grid,.selection-grid{grid-template-columns:1fr!important;gap:1.5rem!important}}@media (max-width: 768px){.hero-title{font-size:2.2rem!important}.hero-subtitle{font-size:1rem!important}}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:50px;height:50px;border:3px solid var(--glass-border);border-top-color:var(--brand-primary);border-radius:50%;animation:spin 1s linear infinite}