@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=Manrope:wght@400;500;600;650;700;800&display=swap');
:root{color-scheme:dark;--bg:#161a19;--panel:#202523;--panel2:#272d2a;--border:#343c36;--text:#f1f0e8;--muted:#adb6ac;--sage:#c1d3ab;--lavender:#c5b8d9;--peach:#d8b49a;--blue:#abc4d1;--rose:#d5abb6;--sand:#d8c89e;--accent:var(--sage);font-family:'DM Sans',system-ui,sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:15px;line-height:1.55}button,input{font:inherit}button{cursor:pointer;color:inherit;border:0;background:none;-webkit-tap-highlight-color:transparent}button:disabled{cursor:default;opacity:.35}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--sage);outline-offset:5px}a{color:var(--sage)}svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:'Manrope',system-ui,sans-serif}h1{font-size:42px;letter-spacing:-1.9px;line-height:1.2;font-weight:650}h2{font-size:22px;letter-spacing:-.6px;font-weight:650}h3{font-size:17px;letter-spacing:-.3px}small{font-size:12px}.muted{color:var(--muted)}.eyebrow{font-size:11px;font-weight:650;letter-spacing:1.9px;text-transform:uppercase}.row{display:flex;align-items:center;gap:10px}.spread{justify-content:space-between}.icon-btn{height:42px;width:42px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:50%;color:var(--muted)}.icon-btn:hover{background:var(--panel2);color:var(--text)}.pill{padding:5px 10px;border-radius:20px;background:#c1d3ab12;color:var(--sage);font-size:12px;display:inline-flex;align-items:center;gap:6px}.pill svg{width:13px;height:13px}.primary{background:var(--sage);color:#253322;border-radius:13px;padding:14px 20px;font-weight:650;display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:48px}.primary:hover{background:#ceddbb}.secondary{background:var(--panel2);border:1px solid var(--border);border-radius:12px;padding:12px 17px;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px}.text-btn{display:inline-flex;align-items:center;gap:7px;color:var(--muted);padding:7px 0;font-size:13px}.text-btn:hover{color:var(--text)}.text-btn svg{width:16px;height:16px}
.shell{max-width:1380px;margin:auto;display:grid;grid-template-columns:238px 1fr;min-height:100vh}.sidebar{border-right:1px solid var(--border);padding:36px 26px;display:flex;flex-direction:column;position:sticky;height:100vh;top:0}.brand{display:flex;align-items:center;gap:10px;font-family:Manrope,sans-serif;font-size:30px;font-weight:800;letter-spacing:-1px}.brand-mark{background:var(--sage);color:#263424;width:36px;height:36px;border-radius:12px;display:grid;place-items:center;transform:rotate(-7deg)}.brand-mark svg{width:25px;height:25px}.brand span:last-child{color:var(--sage)}.brand-caption{margin-top:10px;font-size:12px;color:var(--muted)}.navigation{display:grid;gap:7px;margin-top:47px}.nav-item{display:flex;align-items:center;gap:12px;color:var(--muted);padding:12px 14px;text-align:left;border-radius:11px;font-size:14px}.nav-item.active{color:var(--sage);background:#c1d3ab10}.nav-item:hover{background:var(--panel)}.nav-item svg{width:19px;height:19px}.nav-count{margin-left:auto;border-radius:5px;background:#c1d3ab17;padding:0 6px;font-size:11px}.side-note{margin-top:auto;padding:20px 16px;border:1px solid var(--border);border-radius:15px;background:linear-gradient(145deg,#30382b40,transparent)}.side-note .eyebrow{font-size:9px;color:var(--sage)}.side-note p{font-size:13px;color:var(--muted);margin-top:10px}.side-note strong{color:var(--text);font-weight:500}.side-foot{display:flex;justify-content:space-between;margin-top:24px;color:var(--muted);font-size:11px}.side-foot button{font-size:11px}.main{padding:30px 48px 52px;min-width:0}.topbar{height:42px;margin-bottom:39px}.mobile-brand{display:none}.breadcrumb{font-size:13px;color:var(--muted)}.topbar .right{gap:18px}.day-pill{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:7px}.day-pill svg{width:16px;height:16px;color:var(--peach)}.hero{display:flex;justify-content:space-between;gap:25px;align-items:flex-end;margin-bottom:29px}.hero .eyebrow{color:var(--sage);margin-bottom:13px}.hero p{color:var(--muted);margin-top:11px}.hero-aside{text-align:right;font-size:12px;color:var(--muted);padding-bottom:3px;white-space:nowrap}.hero-aside b{font-size:22px;font-weight:500;color:var(--sage);display:block}.daily{position:relative;overflow:hidden;background:linear-gradient(110deg,#2e382d,#242d26);border:1px solid #45533e;border-radius:20px;padding:27px 29px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:20px}.daily .eyebrow{color:var(--sage);font-size:10px;margin-bottom:13px}.daily h2{font-size:26px;letter-spacing:-.8px;max-width:360px}.daily p{font-size:13px;color:#bac6b5;margin-top:9px}.daily .primary{margin-top:23px;min-width:188px}.daily-meta{display:flex;align-items:center;gap:13px;font-size:11px;color:#bac6b5;margin-top:16px}.daily-meta span{display:inline-flex;align-items:center;gap:5px}.daily-meta svg{width:13px;height:13px}.daily-art{width:213px;height:178px;position:relative;display:grid;place-items:center;margin-right:14px}.orbit{position:absolute;border:1px solid #a5bb8930;border-radius:50%;width:166px;height:166px;transform:rotate(-25deg)}.orbit.second{width:217px;height:115px;transform:rotate(-34deg)}.little-card{width:126px;height:152px;background:#d1dabc;border-radius:15px;transform:rotate(12deg);box-shadow:0 14px 24px #10170e50;color:#394532;padding:17px;font-size:11px;position:relative}.little-card::before{content:'';position:absolute;inset:0;border:1px solid #e7edd3;border-radius:15px;transform:translate(-15px,5px) rotate(-18deg);z-index:-1;background:#8e9f78}.little-card .hola{font-family:Manrope,sans-serif;font-size:31px;margin-top:18px;letter-spacing:-1.5px}.little-card .rule{height:1px;background:#73836060;margin:12px 0}.art-spark{position:absolute;color:var(--sage);font-size:26px;top:2px;right:15px}.art-dot{position:absolute;left:13px;bottom:20px;height:7px;width:7px;background:var(--peach);border-radius:50%}.section-title{margin:31px 0 17px;display:flex;align-items:center;justify-content:space-between;gap:12px}.section-title h2{font-size:19px}.section-title span{font-size:12px;color:var(--muted)}.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.level{--accent:var(--sage);text-align:left;background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:19px 19px 15px;position:relative;transition:transform .15s,border-color .15s}.level:hover{transform:translateY(-3px);border-color:var(--accent)}.level.selected{border-color:#9ead856b;background:#262c24}.level-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:19px}.level-icon{display:grid;place-items:center;width:37px;height:37px;background:color-mix(in srgb,var(--accent) 10%,transparent);color:var(--accent);border-radius:11px}.level-number{font-size:10px;letter-spacing:1.3px;color:var(--muted)}.level h3{font-size:16px;margin-bottom:5px}.level-description{color:var(--muted);font-size:11px;min-height:34px}.level-footer{border-top:1px solid var(--border);padding-top:12px;margin-top:15px;font-size:11px;color:var(--muted);display:flex;justify-content:space-between;align-items:center}.level-footer svg{width:16px;height:16px;color:var(--accent)}.level-meter{height:2px;background:var(--border);position:absolute;bottom:0;left:17px;right:17px;border-radius:5px;overflow:hidden}.level-meter span{height:100%;display:block;background:var(--accent)}.bottom-note{display:flex;align-items:center;justify-content:space-between;margin-top:23px;gap:16px;font-size:12px;color:var(--muted)}.bottom-note svg{width:15px;height:15px}.bottom-note .row{gap:7px}.mobile-nav{display:none}
.study-head{margin-top:7px}.study-head h1{font-size:29px}.study-head .eyebrow{color:var(--accent);margin-bottom:7px}.study-controls{margin:23px 0 17px;display:flex;justify-content:space-between;gap:14px}.segmented{display:flex;padding:4px;border-radius:10px;background:var(--panel);border:1px solid var(--border);gap:4px}.segmented button{padding:6px 12px;font-size:12px;border-radius:7px;color:var(--muted)}.segmented button.active{background:var(--panel2);color:var(--text)}.study-progress{height:3px;background:var(--border);margin:20px 0;border-radius:3px}.study-progress span{display:block;height:100%;background:var(--accent);transition:width .25s}.flashcard{background:radial-gradient(ellipse at 50% 110%,color-mix(in srgb,var(--accent) 6%,transparent),transparent 65%),var(--panel);border:1px solid var(--border);border-radius:22px;min-height:370px;display:flex;flex-direction:column;padding:25px 27px;touch-action:pan-y;cursor:pointer;position:relative}.card-top{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px}.card-top .pill{color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent)}.card-body{flex:1;display:flex;flex-direction:column;justify-content:center;text-align:center;padding:23px 4px}.sentence{font-family:Manrope,sans-serif;font-size:34px;font-weight:500;line-height:1.65;letter-spacing:-.65px}.word{display:inline;padding:4px 2px;border-radius:6px;font:inherit;color:inherit;line-height:inherit;white-space:nowrap;border-bottom:1px dotted #75826d90;position:relative}.word:hover{background:color-mix(in srgb,var(--accent) 11%,transparent);color:var(--accent)}.translation{font-size:18px;line-height:1.7;color:var(--accent);max-width:560px;margin:14px auto 0;animation:appear .2s}.hidden-translation{font-size:12px;color:var(--muted);margin-top:19px}.card-bottom{text-align:center;font-size:11px;color:var(--muted);margin-top:12px;display:flex;align-items:center;justify-content:center;gap:7px}.card-bottom svg{width:14px;height:14px}.sentence-en{font-size:30px;line-height:1.5;font-family:Manrope,sans-serif;margin:12px 0;color:var(--text)}.flip-button{display:block;margin:18px auto 0;font-size:12px;color:var(--accent);min-height:36px}.below-card{display:flex;align-items:center;justify-content:space-between;margin-top:16px}.page-count{font-size:12px;color:var(--muted)}.rating{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:19px}.rating .secondary{color:var(--peach)}.rating .primary{background:var(--accent)}.rating-hint{text-align:center;font-size:11px;margin-top:10px;color:var(--muted)}.tutor-note{border:1px solid var(--border);padding:19px 21px;border-radius:15px;margin-top:23px;background:#20252380}.tutor-note .eyebrow{color:var(--accent);font-size:10px}.tutor-note p{margin-top:8px;font-size:13px;color:var(--muted)}.tutor-note strong{color:var(--text);font-weight:500}.challenge{margin-top:16px;padding-top:14px;border-top:1px solid var(--border)}.empty{border:1px solid var(--border);border-radius:20px;padding:40px 25px;text-align:center;background:var(--panel)}.empty>svg{width:39px;height:39px;color:var(--sage);margin-bottom:18px}.empty h2{margin-bottom:12px}.empty p{color:var(--muted);max-width:420px;margin:0 auto 22px}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}.stat{padding:22px;border-radius:15px;background:var(--panel);border:1px solid var(--border)}.stat b{display:block;color:var(--sage);font-size:30px;font-weight:500}.stat span{font-size:12px;color:var(--muted)}.progress-level{padding:18px 0;border-bottom:1px solid var(--border)}.progress-level p{font-size:12px;color:var(--muted)}.progress-track{height:5px;border-radius:5px;background:var(--border);margin-top:12px}.progress-track i{display:block;height:100%;border-radius:5px;background:var(--accent)}.saved-card{padding:20px;border:1px solid var(--border);border-radius:15px;background:var(--panel);margin-top:13px}.saved-card h3{font-size:17px;font-weight:500}.saved-card p{font-size:13px;color:var(--muted);margin:6px 0}.saved-card button{margin-top:9px}.plan-lead{padding:23px;border:1px solid #46513d;background:#293126;border-radius:18px;margin:23px 0}.plan-lead h2{font-size:20px;margin-bottom:8px}.plan-lead p{color:var(--muted);font-size:14px}.routine{display:grid;grid-template-columns:repeat(4,1fr);gap:11px;margin-top:20px}.routine-step{padding:15px;border:1px solid var(--border);background:var(--panel);border-radius:12px}.routine-step b{color:var(--sage);font-size:20px;display:block}.routine-step h3{font-size:13px;margin-top:6px}.routine-step p{color:var(--muted);font-size:11px;margin-top:5px}.timeline{margin-top:25px}.week{display:grid;grid-template-columns:80px 1fr;gap:17px;margin-bottom:15px;padding:18px;border:1px solid var(--border);border-radius:14px;background:var(--panel)}.week>span{color:var(--sage);font-size:11px;padding-top:2px}.week h3{font-size:15px}.week p{font-size:13px;color:var(--muted);margin-top:5px}.research{margin-top:25px;padding:21px;border:1px solid var(--border);border-radius:15px}.research p{font-size:13px;color:var(--muted);margin-top:11px}.research a{font-size:12px;text-decoration-color:#7f937370}.expansion{display:grid;gap:12px;margin-top:17px}.expansion-item{border:1px solid var(--border);border-radius:13px;padding:17px;display:flex;gap:15px}.expansion-item>span{color:var(--lavender);font-size:12px}.expansion-item h3{font-size:14px}.expansion-item p{color:var(--muted);font-size:12px;margin-top:4px}
dialog{border:1px solid #485144;background:#232923;color:var(--text);border-radius:23px;padding:28px;max-width:480px;width:calc(100% - 32px);max-height:85dvh;overflow:auto;box-shadow:0 25px 100px #0008}dialog::backdrop{background:#080d0ab8;backdrop-filter:blur(6px)}dialog .close{position:absolute;right:17px;top:17px}dialog .eyebrow{color:var(--sage);padding-right:50px}dialog h2{font-size:30px;margin-top:19px;letter-spacing:-1px}dialog .meaning{color:var(--sage);font-size:19px;margin:7px 0 18px}dialog .word-type{display:inline-block;padding:5px 9px;background:#c1d3ab12;border:1px solid #c1d3ab25;color:var(--sage);border-radius:7px;font-size:11px}dialog .explanation{color:var(--muted);font-size:14px;margin:18px 0 0}dialog .context{font-size:14px;margin-top:20px;padding-top:19px;border-top:1px solid var(--border)}dialog .context span{color:var(--sage)}dialog .primary,dialog .secondary{margin-top:22px}dialog h3{margin-top:21px;font-size:15px}dialog p{margin-top:12px;color:var(--muted);font-size:14px}dialog ol{padding-left:20px;font-size:14px;color:var(--muted)}dialog li{padding:5px 0}.setting{padding:19px 0;border-bottom:1px solid var(--border)}.setting h3{margin:0 0 9px}.setting p{margin:7px 0 0;font-size:12px}.setting .segmented{display:inline-flex}.danger{color:var(--rose);font-size:12px;margin-top:20px;min-height:44px}.toast-visible{opacity:1!important;transform:translate(-50%,0)!important}#toast{position:fixed;bottom:35px;left:50%;transform:translate(-50%,15px);z-index:10;background:#3a4535;color:var(--text);border:1px solid #627256;border-radius:11px;padding:12px 19px;font-size:13px;opacity:0;transition:.2s;pointer-events:none;max-width:calc(100% - 30px);text-align:center}.store-note{font-size:12px;color:var(--muted);margin-top:24px}.completion{padding:36px;border:1px solid var(--border);border-radius:20px;background:var(--panel);text-align:center}.completion .big-icon{color:var(--sage);display:grid;place-items:center;width:66px;height:66px;background:#c1d3ab10;border:1px solid #c1d3ab30;border-radius:50%;margin:0 auto 22px}.completion .big-icon svg{width:30px;height:30px}.completion p{color:var(--muted);margin:12px auto 20px;max-width:420px}.completion .row{justify-content:center;flex-wrap:wrap}.no-audio{font-size:11px;color:var(--muted);margin-top:10px}.keyboard{font-size:11px;color:var(--muted)}@keyframes appear{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1200px){.main{padding-left:57px;padding-right:57px}.level{padding:22px}.daily{padding:30px 34px}.daily h2{font-size:29px}}
@media(max-width:1050px){.shell{grid-template-columns:197px 1fr}.sidebar{padding:30px 19px}.main{padding:25px 30px 40px}.level-grid{grid-template-columns:repeat(2,1fr)}.hero-aside{display:none}.daily-art{width:165px;transform:scale(.88);margin-right:0}.daily h2{font-size:24px}.routine{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){body{font-size:14px}.shell{display:block}.sidebar{display:none}.main{padding:18px 21px calc(100px + env(safe-area-inset-bottom));}.topbar{margin-bottom:29px;height:35px}.breadcrumb .mobile-brand{display:inline;font-family:Manrope,sans-serif;font-size:25px;font-weight:800;letter-spacing:-1px;color:var(--text)}.breadcrumb .mobile-brand span{color:var(--sage)}.breadcrumb>.desktop-label{display:none}.topbar .right{gap:10px}.day-pill{font-size:11px}.topbar .icon-btn{height:35px;width:35px}.topbar .icon-btn svg{width:17px;height:17px}.hero{margin-bottom:23px}.hero .eyebrow{font-size:10px;margin-bottom:10px}h1{font-size:31px;letter-spacing:-1.2px}.hero p{font-size:13px;margin-top:9px}.daily{border-radius:17px;padding:23px 21px;gap:0;grid-template-columns:1fr}.daily h2{font-size:25px;max-width:235px}.daily p{max-width:230px;line-height:1.6}.daily-art{position:absolute;right:-44px;top:12px;transform:scale(.64);opacity:.55;width:160px;pointer-events:none}.daily .primary{margin-top:20px;position:relative;font-size:13px;min-width:171px;padding:12px 16px}.daily-meta{gap:12px;font-size:10px;position:relative}.section-title{margin-top:27px;margin-bottom:14px}.section-title h2{font-size:18px}.section-title span{font-size:11px}.level-grid{gap:11px}.level{padding:16px 14px 14px;border-radius:14px}.level-top{margin-bottom:16px}.level-icon{width:33px;height:33px;border-radius:9px}.level-icon svg{width:18px;height:18px}.level-number{font-size:9px;letter-spacing:.8px}.level h3{font-size:14px}.level-description{font-size:10px;min-height:32px;line-height:1.55}.level-footer{font-size:10px;padding-top:11px;margin-top:12px}.bottom-note{font-size:11px;align-items:flex-start;margin-top:20px}.bottom-note>.text-btn{font-size:11px;white-space:nowrap}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:#1b211df5;border-top:1px solid var(--border);backdrop-filter:blur(15px);padding:10px 10px calc(9px + env(safe-area-inset-bottom));z-index:4;justify-content:space-around}.mobile-nav button{display:flex;flex-direction:column;align-items:center;gap:5px;color:var(--muted);font-size:10px;min-width:58px;min-height:45px}.mobile-nav button svg{width:20px;height:20px}.mobile-nav button.active{color:var(--sage)}.study-head h1{font-size:26px}.study-head .eyebrow{font-size:10px}.study-controls{margin:22px 0 13px}.segmented button{font-size:11px;padding:6px 9px}.flashcard{min-height:300px;border-radius:19px;padding:21px 18px}.sentence{font-size:27px;line-height:1.7;letter-spacing:-.5px}.sentence-en{font-size:25px}.card-body{padding:26px 0}.translation{font-size:16px;line-height:1.6}.card-top{font-size:11px}.card-top .pill{font-size:10px}.rating{gap:10px}.rating button{font-size:13px;padding:13px 10px}.tutor-note{padding:17px}.tutor-note p{font-size:12px}.keyboard{display:none}.study-progress{margin:17px 0}.below-card{margin-top:13px}.stat-grid{gap:9px}.stat{padding:16px 12px}.stat b{font-size:26px}.stat span{font-size:10px}.week{grid-template-columns:60px 1fr;gap:10px;padding:16px 14px}.week>span{font-size:10px}.week p{font-size:12px}.routine{gap:10px}.routine-step{padding:14px}.plan-lead{padding:20px}.plan-lead h2{font-size:18px}.plan-lead p{font-size:13px}dialog{position:fixed;top:auto;bottom:0;left:0;right:0;margin:0;width:100%;max-width:none;border-radius:23px 23px 0 0;padding:27px 25px calc(25px + env(safe-area-inset-bottom));max-height:85dvh}dialog h2{font-size:29px}.research{padding:18px}.research p{font-size:12px}#toast{bottom:calc(90px + env(safe-area-inset-bottom))}.completion{padding:31px 20px}.completion h2{font-size:22px}}
@media(max-width:360px){.main{padding-left:15px;padding-right:15px}.daily-art{right:-55px}.level{padding:14px 11px}.level h3{font-size:13px}.level-number{font-size:8px}.sentence{font-size:24px}.topbar .day-pill{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* App screens: content stays in the viewport; deeper reading lives in sheets. */
.home-screen,.study-screen,.review-screen,.progress-screen,.saved-screen,.path-screen{display:flex;flex-direction:column;gap:18px;max-width:860px;margin:auto;width:100%}
.home-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.home-heading h1{font-size:33px;margin-top:10px}.home-heading .eyebrow{color:var(--sage)}
.compact-daily{padding:24px 27px;grid-template-columns:1fr auto}.compact-daily .eyebrow{margin:0 0 5px}.compact-daily h2{font-size:23px}.compact-daily p{margin:4px 0 0}.compact-daily .primary{margin:0;min-width:115px}.home-screen .section-title{margin:3px 0 0}.home-screen .level-grid{gap:14px}.home-screen .level-top{margin-bottom:13px}.home-screen .level-footer{margin-top:12px}.home-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px}.home-bottom .text-btn{font-size:12px}
.study-screen{gap:14px}.study-screen .study-head{margin:0}.study-screen .study-controls{margin:0}.study-screen .study-progress{margin:0}.study-screen .flashcard{min-height:380px;padding:19px 24px;cursor:pointer}.study-screen .card-top .pill{background:none;padding:0;color:var(--muted)}.card-audio{color:var(--accent);width:39px;height:39px}.study-screen .card-body{padding:20px 3px}.study-screen .sentence-en{font-size:30px;max-width:610px;margin:0 auto}.study-screen .card-bottom{justify-content:space-between;margin:0;gap:10px}.study-screen .card-bottom .text-btn{font-size:12px}.card-flip{width:32px;height:32px;border:0}.card-flip svg{width:17px;height:17px}.study-screen .below-card,.study-screen .rating{margin:0}.end-session{margin-right:-7px}.review-screen .hero,.progress-screen .hero,.path-screen .hero,.saved-screen .hero{margin:0}.review-screen .hero h1,.progress-screen .hero h1,.path-screen .hero h1,.saved-screen .hero h1{font-size:31px}.centered{justify-content:center;align-self:center}.progress-screen .stat-grid{margin:0}.today-mini{font-size:12px;color:var(--muted);padding:13px 0;border-bottom:1px solid var(--border)}.progress-level .row{font-size:14px}.progress-screen .progress-level{padding:13px 0}.progress-screen .progress-track{margin-top:8px;height:4px}.compact-routine{grid-template-columns:repeat(4,1fr);margin:0}.routine-label h3{font-size:15px}.compact-routine .routine-step b{font-size:22px}.compact-routine .routine-step small{font-size:10px;font-weight:400}.week-pages{display:flex;gap:8px;justify-content:center}.week-pages button{height:36px;width:36px;border-radius:50%;border:1px solid var(--border);color:var(--muted);font-size:12px}.week-pages button.active{background:var(--sage);color:var(--bg);border-color:var(--sage)}.path-card{padding:26px;border:1px solid var(--border);background:var(--panel);border-radius:18px}.path-card .eyebrow{color:var(--sage)}.path-card h2{font-size:24px;margin:12px 0 6px}.path-focus{font-size:12px}.path-card p{font-size:14px;color:var(--muted);margin-top:13px}.path-target{display:flex;gap:10px;align-items:center;margin-top:21px;padding-top:18px;border-top:1px solid var(--border);font-size:13px;color:var(--sage)}.saved-screen .saved-card{margin:0;display:flex;flex-direction:column;gap:15px;padding:24px}.saved-screen .saved-card h3{font-size:26px;line-height:1.5;margin:0}.saved-screen .saved-card p{font-size:17px;margin:0}.saved-screen .saved-card .primary{align-self:flex-start}.full-plan-sheet{margin-top:20px}.full-plan-sheet .hero h1{font-size:25px}.full-plan-sheet .hero p{font-size:13px}.full-plan-sheet .routine{grid-template-columns:repeat(2,1fr)}.full-plan-sheet button[data-action=goal]{pointer-events:none}.full-plan-sheet .hero{margin-bottom:18px}.completion{max-width:860px;margin:auto;width:100%}
@media(max-width:700px){
 html,body{height:100%;overflow:hidden;overscroll-behavior:none}body{font-size:14px}#app{height:100%;overflow:hidden}
 .shell{height:100dvh;min-height:0;display:flex;flex-direction:column;overflow:hidden;width:100%}.sidebar{display:none}
 .main{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden;padding:calc(10px + env(safe-area-inset-top)) 18px 12px}
 .topbar{height:34px;min-height:34px;margin:0 0 13px;flex-shrink:0}.topbar .icon-btn{width:32px;height:32px}.topbar .right{gap:10px}.topbar .mobile-brand{font-size:24px}.day-pill{font-size:10px}
 #content{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}.home-screen,.study-screen,.review-screen,.progress-screen,.saved-screen,.path-screen{height:100%;min-height:0;gap:12px;margin:0;max-width:none;flex:1;overflow:hidden}
 .mobile-nav{position:static;flex-shrink:0;min-height:calc(62px + env(safe-area-inset-bottom));padding:9px 10px calc(8px + env(safe-area-inset-bottom));z-index:4}.mobile-nav button{min-height:43px;font-size:10px}
 .home-heading{flex-shrink:0}.home-heading .eyebrow{font-size:9px;letter-spacing:1.3px}.home-heading h1{font-size:26px;letter-spacing:-.8px;margin-top:5px}.home-heading .icon-btn{width:32px;height:32px}
 .compact-daily{padding:15px 16px;border-radius:15px;grid-template-columns:minmax(0,1fr) auto;gap:13px;flex-shrink:0}.compact-daily .eyebrow{font-size:8px;letter-spacing:1px;line-height:1.5;margin-bottom:3px}.compact-daily h2{font-size:18px;letter-spacing:-.5px}.compact-daily p{font-size:11px;margin-top:2px}.compact-daily .primary{min-width:97px;min-height:42px;padding:11px 13px;font-size:12px;gap:8px}.compact-daily .primary svg{width:16px;height:16px}
 .home-screen .section-title{flex-shrink:0;min-height:23px}.home-screen .section-title h2{font-size:15px}.home-screen .section-title span{font-size:10px}
 .home-screen .level-grid{flex:1;min-height:0;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(3,minmax(0,1fr));gap:10px}.home-screen .level{padding:12px 13px;display:flex;flex-direction:column;justify-content:center;min-height:0;border-radius:13px}.home-screen .level-top{margin:0 0 8px}.home-screen .level-icon{height:27px;width:27px;border-radius:8px}.home-screen .level-icon svg{height:16px;width:16px}.home-screen .level-number{font-size:8px;letter-spacing:.8px}.home-screen .level h3{font-size:13px;letter-spacing:-.2px;margin:0}.home-screen .level-footer{font-size:10px;line-height:1.4;border:0;margin-top:6px;padding:0}.home-screen .level-meter{left:13px;right:13px}.home-bottom{flex-shrink:0;min-height:26px}.home-bottom .text-btn{font-size:10px;gap:5px;padding:4px 0}.home-bottom .text-btn svg{width:13px;height:13px}
 .study-screen{gap:9px}.study-screen .study-head{display:none}.study-screen .study-controls{flex-shrink:0;height:36px}.study-screen .study-controls .icon-btn{height:34px;width:34px}.study-screen .segmented{padding:3px}.study-screen .segmented button{font-size:11px;padding:6px 10px}.study-screen .study-progress{flex-shrink:0;height:2px}
 .study-screen .flashcard{flex:1;min-height:0;padding:13px 16px;border-radius:17px;overflow:hidden}.study-screen .card-top{flex-shrink:0;height:34px;gap:8px;font-size:10px}.study-screen .card-top .pill{font-size:10px;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}.card-audio{height:34px;width:34px;flex-shrink:0}.card-audio svg{width:18px;height:18px}.study-screen .card-body{flex:1;min-height:0;padding:8px 0}.study-screen .sentence{font-size:clamp(24px,6.8vw,30px);line-height:1.65;letter-spacing:-.5px}.study-screen .sentence-en{font-size:clamp(24px,6.5vw,29px);line-height:1.5}.study-screen .long-sentence .sentence{font-size:clamp(21px,6vw,26px);line-height:1.6}.study-screen .long-sentence .sentence-en{font-size:clamp(22px,6vw,27px);line-height:1.5}.study-screen .card-bottom{flex-shrink:0;height:29px;justify-content:space-between}.study-screen .card-bottom .text-btn{font-size:11px;padding:4px 0}.study-screen .below-card{flex-shrink:0;height:36px}.study-screen .below-card .icon-btn{height:34px;width:34px}.study-screen .page-count{font-size:11px}.study-screen .rating{flex-shrink:0;gap:10px}.study-screen .rating button{min-height:46px;padding:11px 8px;font-size:12px}.study-screen .rating svg{width:17px;height:17px}
 .review-screen .hero,.progress-screen .hero,.path-screen .hero,.saved-screen .hero{flex-shrink:0}.review-screen .hero h1,.progress-screen .hero h1,.path-screen .hero h1,.saved-screen .hero h1{font-size:25px;letter-spacing:-.8px;line-height:1.2}.review-screen .hero .eyebrow,.progress-screen .hero .eyebrow,.path-screen .hero .eyebrow,.saved-screen .hero .eyebrow{font-size:9px;margin-bottom:7px}.hero p{font-size:12px;margin-top:7px;line-height:1.4}.empty{flex:1;min-height:0;padding:24px 20px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}.empty>svg{margin:0;width:32px;height:32px}.empty h2{font-size:22px;margin:0}.empty p{font-size:13px;margin:0;max-width:310px}.empty .primary{font-size:13px;margin-top:9px}.centered{flex-shrink:0;font-size:11px;min-height:30px}
 .progress-screen{gap:12px}.progress-screen .stat-grid{flex-shrink:0;gap:8px}.stat{padding:13px 11px;border-radius:12px}.stat b{font-size:25px;line-height:1.2}.stat span{font-size:10px}.today-mini{flex-shrink:0;padding:6px 0 9px;font-size:10px}.level-progress-list{flex:1;min-height:0;display:grid;grid-template-rows:repeat(6,minmax(0,1fr))}.progress-screen .progress-level{padding:7px 0;display:flex;flex-direction:column;justify-content:center}.progress-screen .progress-level .row{font-size:12px}.progress-screen .progress-track{height:3px;margin-top:7px}
 .path-screen{gap:12px}.routine-label{flex-shrink:0}.routine-label h3{font-size:13px}.compact-routine{flex-shrink:0;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px}.compact-routine .routine-step{padding:11px 8px;text-align:center;border-radius:10px}.compact-routine .routine-step b{font-size:20px;line-height:1.2}.compact-routine .routine-step h3{font-size:10px;margin-top:5px}.compact-routine .routine-step small{font-size:9px}.week-pages{flex-shrink:0;gap:10px}.week-pages button{width:31px;height:31px;font-size:11px}.path-card{flex:1;min-height:0;padding:19px;display:flex;flex-direction:column;justify-content:center;border-radius:16px}.path-card .eyebrow{font-size:9px;letter-spacing:1px}.path-card h2{font-size:23px;line-height:1.25;margin:10px 0 5px}.path-focus{font-size:10px}.path-card p{font-size:13px;line-height:1.55;margin-top:12px}.path-target{margin-top:15px;padding-top:13px;font-size:12px;line-height:1.5;gap:8px}.path-target svg{width:18px;height:18px}
 .saved-screen .saved-card{flex:1;min-height:0;gap:16px;justify-content:center;padding:22px 18px;border-radius:17px}.saved-screen .saved-card h3{font-size:23px}.saved-screen .saved-card p{font-size:15px}.saved-screen .saved-card>.row{margin-bottom:auto}.saved-screen .saved-card>.primary{margin-top:auto;align-self:stretch;font-size:12px}.saved-screen .below-card{flex-shrink:0;height:36px;margin:0}.saved-screen .below-card .icon-btn{height:34px;width:34px}
 .completion{margin:0;flex:1;min-height:0;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:22px 18px}.completion .big-icon{height:53px;width:53px;margin-bottom:18px}.completion h2{font-size:21px}.completion p{font-size:13px;line-height:1.5}.completion .primary,.completion .secondary{font-size:12px;min-height:43px;padding:11px 14px}.completion .row{flex-shrink:0}
 dialog{max-height:calc(100dvh - 25px - env(safe-area-inset-top));overscroll-behavior:contain}dialog h2{font-size:27px}dialog .context{display:none}.full-plan-sheet{overflow:visible}dialog .full-plan-sheet .hero h1{font-size:23px}.full-plan-sheet .routine-step{padding:13px}.full-plan-sheet .routine-step h3{font-size:12px}.full-plan-sheet .week{display:block}.full-plan-sheet .week>span{display:block;margin-bottom:7px}#toast{bottom:calc(75px + env(safe-area-inset-bottom))}
}
@media(max-width:700px) and (max-height:700px){.main{padding:calc(7px + env(safe-area-inset-top)) 15px 9px}.topbar{margin-bottom:9px;height:30px;min-height:30px}.mobile-nav{min-height:calc(55px + env(safe-area-inset-bottom));padding-top:6px;padding-bottom:calc(5px + env(safe-area-inset-bottom))}.mobile-nav button{min-height:40px;gap:3px}.home-screen,.progress-screen,.path-screen,.saved-screen,.review-screen{gap:9px}.home-heading h1{font-size:23px}.compact-daily{padding:11px 13px}.compact-daily .eyebrow{font-size:7px}.compact-daily h2{font-size:16px}.compact-daily p{font-size:10px}.home-screen .level-grid{gap:8px}.home-screen .level{padding:9px 11px}.home-screen .level-top{margin-bottom:4px}.home-screen .level-icon{height:22px;width:22px}.home-screen .level h3{font-size:12px}.home-screen .level-footer{font-size:9px;margin-top:4px}.study-screen{gap:7px}.study-screen .flashcard{padding:10px 13px}.study-screen .card-top{height:30px}.study-screen .sentence{font-size:26px;line-height:1.5}.study-screen .long-sentence .sentence{font-size:22px;line-height:1.45}.study-screen .long-sentence .sentence-en{font-size:22px;line-height:1.45}.study-screen .rating button{min-height:43px;padding:9px 6px;font-size:11px}.study-screen .below-card{height:33px}.study-screen .card-bottom{height:26px}.stat{padding:10px}.stat b{font-size:23px}.progress-screen .progress-level{padding:5px 0}.progress-screen .hero p,.saved-screen .hero p{display:none}.compact-routine .routine-step{padding:8px 6px}.compact-routine .routine-step b{font-size:18px}.path-card{padding:15px}.path-card h2{font-size:21px}.path-card p{font-size:12px;margin-top:8px}.path-target{margin-top:10px;padding-top:10px;font-size:11px}.week-pages button{width:28px;height:28px}.path-screen .hero h1{font-size:23px}.saved-screen .saved-card h3{font-size:21px}}
@media(max-width:360px){.topbar .day-pill{display:none}.home-bottom .text-btn{font-size:9px}.home-screen .level h3{font-size:11px}.study-screen .long-sentence .sentence,.study-screen .long-sentence .sentence-en{font-size:20px}.path-target{font-size:10px}.path-card h2{font-size:20px}}
/* Normal app pages can scroll. Only an active flashcard session is fixed. */
@media(max-width:700px){
 #content{overflow-y:auto;overscroll-behavior-y:contain;scrollbar-width:none}#content::-webkit-scrollbar{display:none}
 .home-screen,.review-screen,.progress-screen,.saved-screen,.path-screen{height:auto;min-height:100%;overflow:visible;flex-shrink:0}
 .home-screen .level-grid{flex:none;grid-template-rows:repeat(3,minmax(105px,1fr));min-height:335px}
 .home-screen .level{padding:15px}.home-screen .level h3{font-size:14px}.home-screen .level-icon{height:29px;width:29px}.home-screen .level-top{margin-bottom:8px}.home-screen .level-footer{font-size:10px;margin-top:6px}
 .level-progress-list{flex:none;grid-template-rows:repeat(6,52px)}.path-card{min-height:230px}.saved-screen .saved-card{min-height:340px}.review-screen .empty{min-height:280px}
 body[data-view=study] #content{overflow:hidden}body[data-view=study] .study-screen{height:100%;min-height:0;overflow:hidden}
 .main{padding-top:calc(10px + env(safe-area-inset-top,0px))}.topbar{position:relative;z-index:2}.mobile-nav{padding-bottom:calc(8px + env(safe-area-inset-bottom,0px))}
}
/* Some installed iPhone wrappers report a zero inset. Keep a status-bar clearance there. */
@supports(-webkit-touch-callout:none){@media(max-width:700px) and (display-mode:standalone){.main{padding-top:calc(10px + max(env(safe-area-inset-top,0px),44px))}}}
.mobile-brand{padding:0;line-height:1.3;text-align:left}.day-pill{min-height:32px;padding:0}.day-pill:hover{color:var(--text)}
/* The app frame fills its containing viewport, including installed Safari.
   Avoid 100dvh: Safari can report it shorter than the actual fixed viewport. */
.categories-screen{max-width:860px;margin:auto;display:flex;flex-direction:column;gap:18px;width:100%}.category-heading h1{font-size:30px;margin-top:5px}.category-heading .eyebrow{color:var(--accent)}.category-heading{gap:16px}.categories-screen .section-title{margin:0}.all-topics{display:flex;align-items:center;gap:18px;width:100%;text-align:left;padding:22px 24px;border:1px solid color-mix(in srgb,var(--accent) 45%,var(--border));border-radius:17px;background:color-mix(in srgb,var(--accent) 7%,var(--panel))}.all-topics strong{font-size:20px;font-weight:600;display:block}.all-topics small{display:block;color:var(--muted);margin-top:4px}.all-topics>svg{margin-left:auto;color:var(--accent)}.category-icon{height:37px;width:37px;border-radius:11px;background:color-mix(in srgb,var(--accent) 9%,transparent);color:var(--accent);display:grid;place-items:center;flex-shrink:0}.category-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.category-card{border:1px solid var(--border);border-radius:16px;background:var(--panel);padding:21px;text-align:left;display:flex;flex-direction:column;gap:13px}.category-card:hover,.category-card.selected{border-color:color-mix(in srgb,var(--accent) 55%,var(--border))}.category-card h2{font-size:18px}.category-card p{color:var(--muted);font-size:12px;line-height:1.5}.category-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--muted);font-size:11px;margin-top:auto}.category-footer svg{width:17px;color:var(--accent)}.category-card .progress-track{height:3px;margin:0}.category-card .progress-track i{background:var(--accent)}
@media(max-width:700px){
 #app{position:fixed;inset:0;height:auto;width:100%;overflow:hidden}
 .shell{height:100%;min-height:0;margin:0}
 .mobile-nav{margin-top:auto;position:relative;inset:auto;min-height:0;width:100%;padding:8px 10px calc(8px + env(safe-area-inset-bottom,0px));align-items:flex-start}
 .mobile-nav button{flex:1;min-width:0;min-height:44px;justify-content:center}
 .categories-screen{height:auto;min-height:100%;overflow:visible;flex-shrink:0;gap:14px}
 .category-heading h1{font-size:24px;margin-top:3px}.category-heading .eyebrow{font-size:9px;letter-spacing:1px}.category-heading .icon-btn{width:34px;height:34px;flex-shrink:0}.category-heading{gap:12px}
 .all-topics{padding:17px;border-radius:14px;gap:13px}.all-topics strong{font-size:18px}.all-topics small{font-size:11px;margin-top:2px}
 .categories-screen .section-title h2{font-size:16px}.categories-screen .section-title span{font-size:10px}
 .category-grid{gap:10px}.category-card{padding:16px 13px;gap:10px;min-height:147px;border-radius:13px}.category-card h2{font-size:14px;line-height:1.35;letter-spacing:-.2px}.category-card p{display:none}.category-footer{font-size:10px;gap:3px}.category-icon{width:29px;height:29px;border-radius:8px}.category-icon svg{width:18px;height:18px}
 .compact-daily p{max-width:none;line-height:1.45}
}
@supports(-webkit-touch-callout:none){@media(max-width:700px) and (display-mode:standalone){
 .mobile-nav{padding-bottom:calc(8px + max(env(safe-area-inset-bottom,0px),20px))}
}}

/* Dragging is direct manipulation; only a completed horizontal swipe rates. */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.study-screen .flashcard{touch-action:none;user-select:none;-webkit-user-select:none;--swipe-strength:0;will-change:transform}
.study-screen .card-bottom{justify-content:flex-end}
.study-position{text-align:center;line-height:1.4}
.flashcard.is-settling{transition:transform 220ms cubic-bezier(.2,.8,.2,1),border-color 180ms,box-shadow 180ms}
.flashcard.is-dragging{transition:none}
.flashcard.swipe-got{border-color:color-mix(in srgb,#bbdcac calc(var(--swipe-strength)*100%),var(--border));box-shadow:0 0 calc(var(--swipe-strength)*24px) #a6d49830}
.flashcard.swipe-again{border-color:color-mix(in srgb,var(--peach) calc(var(--swipe-strength)*75%),var(--border))}
.swipe-label{position:absolute;top:62px;left:18px;right:18px;display:flex;justify-content:center;align-items:center;gap:7px;font-size:12px;font-weight:650;opacity:0;pointer-events:none;color:var(--sage)}
.swipe-label svg{width:17px;height:17px}.swipe-label-again{color:var(--peach)}
.swipe-got .swipe-label-got,.swipe-again .swipe-label-again{opacity:var(--swipe-strength)}
.rating-overlay.study-screen{position:fixed;z-index:8;pointer-events:none;min-height:0!important;max-width:none;margin:0;gap:0;overflow:visible;flex:none;animation:card-release 500ms cubic-bezier(.25,.8,.25,1) both}
.rating-overlay.study-screen .flashcard{height:100%;min-height:0;flex:1}
.rating-got .flashcard{border-color:#bbdcac;animation:recall-glow 350ms ease-out both}
.rating-got .swipe-label-got,.rating-again .swipe-label-again{opacity:1}
.rating-again .word,.rating-again .sentence-en{animation:practice-pulse 340ms ease-in-out both;animation-delay:calc(var(--word-index,0)*8ms)}
.card-arriving{animation:card-arrive 500ms ease-out both}
.reduced-feedback.rating-overlay{animation:none}.reduced-feedback.rating-got .flashcard{box-shadow:0 0 20px #a6d49840}.reduced-feedback.rating-again .flashcard{border-color:var(--peach)}
@keyframes recall-glow{0%{box-shadow:0 0 0 #a6d49800}40%{box-shadow:0 0 0 2px #bbdcac70,0 0 32px #a6d49855}100%{box-shadow:0 0 18px #a6d49820}}
@keyframes practice-pulse{0%,100%{color:var(--text);text-shadow:0 0 0 transparent;opacity:1}48%{color:var(--peach);text-shadow:0 0 14px #d8b49a90;opacity:.6}}
@keyframes card-release{0%,55%{transform:translateX(var(--release-x)) rotate(var(--release-angle));opacity:1}100%{transform:translateX(var(--exit-x)) rotate(var(--exit-angle));opacity:0}}
@keyframes card-arrive{0%,35%{opacity:0;transform:scale(.98)}100%{opacity:1;transform:scale(1)}}
/* Match the actual visible browser/WebView viewport, or the full installed-app frame. */
:root{--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px)}
@media(max-width:700px){
 #app{inset:auto;top:var(--app-top,0px);left:var(--app-left,0px);width:var(--app-width,100%);height:var(--app-height,100%)}
 .main{padding-top:calc(10px + var(--safe-top))}
 .mobile-nav{padding-bottom:calc(8px + var(--safe-bottom));width:100%;align-self:stretch}
 .study-position{flex-shrink:0;font-size:11px}
}
@supports(-webkit-touch-callout:none){@media(max-width:700px) and (display-mode:standalone){
 .main{padding-top:calc(10px + max(var(--safe-top),44px))}
 .mobile-nav{padding-bottom:calc(8px + max(var(--safe-bottom),20px))}
}}

body{overflow-x:clip}

/* Word buttons remain tap targets and participate in whole-card dragging. */
.study-screen .flashcard,.study-screen .word{touch-action:none;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}.study-screen .flashcard{cursor:grab}.study-screen .flashcard.is-dragging,.study-screen .is-dragging .word{cursor:grabbing}