@layer properties{@supports ((-webkit-hyphens:none) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,::backdrop,:after,:before{--tw-translate-x:0;--tw-translate-y:0;--tw-translate-z:0;--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-space-y-reverse:0;--tw-space-x-reverse:0;--tw-border-style:solid;--tw-font-weight:initial;--tw-tracking:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial;--tw-backdrop-blur:initial;--tw-backdrop-brightness:initial;--tw-backdrop-contrast:initial;--tw-backdrop-grayscale:initial;--tw-backdrop-hue-rotate:initial;--tw-backdrop-invert:initial;--tw-backdrop-opacity:initial;--tw-backdrop-saturate:initial;--tw-backdrop-sepia:initial;--tw-duration:initial;--tw-ease:initial;--tw-leading:initial}}}@layer theme{:host,:root{--font-sans:"Avenir Next","Hiragino Sans","Yu Gothic",sans-serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--color-slate-200:oklch(92.9% .013 255.508);--spacing:.25rem;--text-xs:.75rem;--text-xs--line-height:1.33333;--text-sm:.875rem;--text-sm--line-height:1.42857;--text-base:1rem;--text-base--line-height:1.5;--text-xl:1.25rem;--text-xl--line-height:1.4;--font-weight-bold:700;--font-weight-extrabold:800;--tracking-tighter:-.05em;--tracking-tight:-.025em;--tracking-wider:.05em;--leading-tight:1.25;--radius-md:.375rem;--radius-lg:.5rem;--radius-xl:.75rem;--radius-2xl:1rem;--radius-3xl:1.5rem;--ease-in:cubic-bezier(.4,0,1,1);--ease-out:cubic-bezier(0,0,.2,1);--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4,0,.2,1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono);--shadow-shell:0 24px 72px #3121111f;--shadow-soft:0 14px 36px #31211114}}@layer base{*,::backdrop,:after,:before{border:0 solid;box-sizing:border-box;margin:0;padding:0}::file-selector-button{border:0 solid;box-sizing:border-box;margin:0;padding:0}:host,html{-webkit-text-size-adjust:100%;font-family:var(--default-font-family,ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);line-height:1.5;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-tap-highlight-color:transparent}hr{border-top-width:1px;color:inherit;height:0}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,pre,samp{font-family:var(--default-mono-font-family,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-size:1em;font-variation-settings:var(--default-mono-font-variation-settings,normal)}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{border-collapse:collapse;border-color:inherit;text-indent:0}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}menu,ol,ul{list-style:none}audio,canvas,embed,iframe,img,object,svg,video{display:block;vertical-align:middle}img,video{height:auto;max-width:100%}button,input,optgroup,select,textarea{background-color:#0000;border-radius:0;color:inherit;font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;opacity:1}::file-selector-button{background-color:#0000;border-radius:0;color:inherit;font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;opacity:1}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::-moz-placeholder{opacity:1}::placeholder{opacity:1}@supports (not (-webkit-appearance:-apple-pay-button)) or (contain-intrinsic-size:1px){::-moz-placeholder{color:currentColor}::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::-moz-placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit,::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-millisecond-field,::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;-moz-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;-moz-appearance:button;appearance:button}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}:root,:root[data-theme=forest-mist]{color-scheme:dark;--bg:#001b2e;--bg-deep:#1d3f58;--surface:#1d3f58c2;--surface-strong:#264861;--surface-muted:#1d3f5894;--ink:#eef3f9;--muted:#d2e1ef;--line:#eef3f91f;--line-strong:#eef3f938;--accent:#b3cde4;--accent-deep:#537692;--accent-soft:#b3cde42e;--accent-ink:#001b2e;--accent-alt:#537692;--accent-alt-soft:#5376922e;--warn:#eef3f9;--warn-soft:#eef3f92e;--danger:#b3cde4;--danger-soft:#b3cde42e;--danger-ink:#001b2e;--glow-a:#53769247;--glow-b:#b3cde433;--shell-glare:#ffffff29;--radius-xl:32px;--radius-lg:24px;--radius-md:18px}:root[data-theme=into-the-woods]{color-scheme:dark;--bg:#262b15;--bg-deep:#3f3f3f;--surface:#3f3f3fbd;--surface-strong:#454938;--surface-muted:#3f3f3f8f;--ink:#afb4ad;--muted:#9da294;--line:#afb4ad1f;--line-strong:#afb4ad38;--accent:#afb4ad;--accent-deep:#848871;--accent-soft:#afb4ad2e;--accent-ink:#262b15;--accent-alt:#464b37;--accent-alt-soft:#8488712e;--warn:#848871;--warn-soft:#84887133;--danger:#afb4ad;--danger-soft:#afb4ad2e;--danger-ink:#262b15;--glow-a:#464b3752;--glow-b:#84887133;--shell-glare:#ffffff1a}:root[data-theme=peaceful-purple-sunset]{color-scheme:dark;--bg:#0d0b33;--bg-deep:#4c2f6f;--surface:#4c2f6fbd;--surface-strong:#4d3479;--surface-muted:#4c2f6f8f;--ink:#e7c8e7;--muted:#d79dcb;--line:#e7c8e71f;--line-strong:#e7c8e738;--accent:#c266a7;--accent-deep:#e7c8e7;--accent-soft:#c266a733;--accent-ink:#0d0b33;--accent-alt:#52489f;--accent-alt-soft:#52489f33;--warn:#e7c8e7;--warn-soft:#e7c8e72e;--danger:#c266a7;--danger-soft:#c266a733;--danger-ink:#0d0b33;--glow-a:#c266a747;--glow-b:#52489f3d;--shell-glare:#ffffff1f}:root[data-theme=very-peri-crocus-field]{color-scheme:dark;--bg:#2f2d3b;--bg-deep:#5e4d9b;--surface:#39384f;--surface-strong:#3d3758;--surface-muted:#6768ab3d;--ink:#cfcad1;--muted:#b5adc8;--line:#cfcad11f;--line-strong:#cfcad133;--accent:#6768ab;--accent-deep:#9389bd;--accent-soft:#6768ab38;--accent-ink:#f6f2ff;--accent-alt:#5e4d9b;--accent-alt-soft:#5e4d9b2e;--warn:#cfcad1;--warn-soft:#cfcad12e;--danger:#9389bd;--danger-soft:#9389bd33;--danger-ink:#201d2b;--glow-a:#6768ab42;--glow-b:#9389bd2e;--shell-glare:#ffffff1f}:root[data-theme=blushing-peonies]{color-scheme:light;--bg:#fceeed;--bg-deep:#f7c6c2;--surface:#fdf1f1;--surface-strong:#fcefee;--surface-muted:#fdefee;--ink:#948d71;--muted:#a7a288;--line:#948d7129;--line-strong:#948d7147;--accent:#f7a49e;--accent-deep:#948d71;--accent-soft:#f7a49e3d;--accent-ink:#3f342d;--accent-alt:#948d71;--accent-alt-soft:#d9d7c28a;--warn:#948d71;--warn-soft:#948d7124;--danger:#f7a49e;--danger-soft:#f7a49e38;--danger-ink:#3f342d;--glow-a:#f7a49e47;--glow-b:#d9d7c26b;--shell-glare:#ffffff57}:root[data-theme=peachy-fog]{color-scheme:light;--bg:#ffddba;--bg-deep:#d9ae8e;--surface:#ffe4c9;--surface-strong:#ffe0c1;--surface-muted:#f5eae2;--ink:#232220;--muted:#635d5f;--line:#23222024;--line-strong:#23222038;--accent:#d9ae8e;--accent-deep:#4e4c4f;--accent-soft:#d9ae8e3d;--accent-ink:#232220;--accent-alt:#9f8d8d;--accent-alt-soft:#9f8d8d33;--warn:#4e4c4f;--warn-soft:#4e4c4f1f;--danger:#9f8d8d;--danger-soft:#9f8d8d2e;--danger-ink:#232220;--glow-a:#d9ae8e4d;--glow-b:#9f8d8d2e;--shell-glare:#ffffff47}*{box-sizing:border-box}#__nuxt,body,html{min-height:100%}body{background:radial-gradient(circle at top left,var(--glow-a),transparent 25%),radial-gradient(circle at top right,var(--glow-b),transparent 24%),linear-gradient(180deg,var(--bg) 0,var(--bg-deep) 100%);color:var(--ink);font-family:var(--font-sans);margin:calc(var(--spacing)*0);transition:background .18s,color .18s}a{color:inherit;text-decoration-line:none}button,input,select,textarea{font:inherit}code{background:var(--accent-soft);border-radius:var(--radius-lg);padding-block:calc(var(--spacing)*.5);padding-inline:calc(var(--spacing)*1.5)}}@layer components{.app-shell{min-height:100vh;position:relative}.shell-backdrop{background:linear-gradient(180deg,var(--shell-glare),transparent 16%),radial-gradient(circle at 10% 20%,var(--shell-glare),transparent 18%),radial-gradient(circle at 90% 10%,var(--shell-glare),transparent 18%);inset:calc(var(--spacing)*0);pointer-events:none;position:fixed}@supports (color:color-mix(in lab,red,red)){.shell-backdrop{background:linear-gradient(180deg,var(--shell-glare),transparent 16%),radial-gradient(circle at 10% 20%,var(--shell-glare),transparent 18%),radial-gradient(circle at 90% 10%,color-mix(in srgb,var(--shell-glare) 52%,transparent),transparent 18%)}}.topbar-wrap{padding-top:calc(var(--spacing)*5);position:sticky;top:calc(var(--spacing)*0);z-index:30}.page-shell,.topbar{width:min(1220px,100vw - 32px)}.topbar{background:var(--surface);border-color:var(--line);border-radius:28px;border-style:var(--tw-border-style);border-width:1px;display:grid;gap:calc(var(--spacing)*3.5);margin-inline:auto;padding:calc(var(--spacing)*5)}@supports (color:color-mix(in lab,red,red)){.topbar{background:color-mix(in srgb,var(--surface) 90%,transparent)}}.topbar{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:var(--shadow-shell)}.button-row,.hero-actions,.status-meta,.status-row,.topbar-row,.topbar-tools{align-items:center;display:flex;flex-wrap:wrap;gap:calc(var(--spacing)*3)}.topbar-row{justify-content:space-between}.brand-mark{display:grid;gap:calc(var(--spacing)*.5)}.brand-kicker,.detail-label,.eyebrow,.flashcard-level,.stat-label{--tw-font-weight:var(--font-weight-extrabold);font-weight:var(--font-weight-extrabold);text-transform:uppercase}.brand-kicker{--tw-tracking:.18em;color:var(--accent-deep);font-size:.74rem;letter-spacing:.18em}.brand-title{--tw-font-weight:var(--font-weight-extrabold);font-size:1.1rem;font-weight:var(--font-weight-extrabold)}.brand-copy,.empty-state p,.feature-card p,.flashcard-back,.flashcard-meta,.flashcard-reading,.helper-text,.hero-note,.hero-text,.info-card p,.meaning-block p,.message-text,.meta-list dt,.notice-banner,.panel-head p{color:var(--muted)}.brand-copy{font-size:.94rem}.section-nav,.theme-switcher,.topnav{background:var(--surface-muted);border-color:var(--line);border-radius:3.40282e+38px;border-style:var(--tw-border-style);border-width:1px;box-shadow:var(--shadow-soft);display:flex;flex-wrap:wrap;gap:calc(var(--spacing)*2);padding:calc(var(--spacing)*2)}.section-nav-link,.theme-option,.topnav-link{border-style:var(--tw-border-style);cursor:pointer;padding-block:calc(var(--spacing)*2.5);padding-inline:calc(var(--spacing)*3.5);--tw-font-weight:var(--font-weight-bold);border-color:#0000;border-radius:3.40282e+38px;border-width:1px;color:var(--muted);font-size:.92rem;font-weight:var(--font-weight-bold)}.theme-option{text-align:left;--tw-leading:var(--leading-tight);line-height:var(--leading-tight)}.section-nav-link.is-active,.theme-option.is-active,.theme-option:hover,.topnav-link.is-active{background:var(--surface-strong);box-shadow:inset 0 0 0 1px var(--line);color:var(--ink)}.account-chip,.badge,.helper-chip,.status-chip{border-style:var(--tw-border-style);min-height:calc(var(--spacing)*9);padding-inline:calc(var(--spacing)*3);--tw-font-weight:var(--font-weight-bold);align-items:center;background:var(--surface-muted);border-color:var(--line);border-radius:3.40282e+38px;border-width:1px;color:var(--ink);display:inline-flex;font-size:.82rem;font-weight:var(--font-weight-bold);white-space:nowrap}.badge,.status-chip{color:var(--accent-deep)}.helper-chip{color:var(--muted)}.account-chip.is-ok,.badge.is-ok,.status-chip.is-ok{background:var(--accent-alt-soft);color:var(--ink)}.status-chip.is-loading{color:var(--muted)}.badge-warn,.status-chip.is-warn{background:var(--warn-soft);color:var(--warn)}.page-shell{margin-inline:auto;padding-bottom:calc(var(--spacing)*16);padding-top:calc(var(--spacing)*7);position:relative}.content-column,.control-panel,.feature-grid,.lesson-actions,.manage-card-list,.message-list,.page-stack,.stack{display:grid;gap:calc(var(--spacing)*5)}.hero{display:grid;gap:22px;grid-template-columns:1.18fr .82fr}.feature-card,.hero-copy,.panel,.stat-card{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-color:var(--line);border-style:var(--tw-border-style);border-width:1px;box-shadow:var(--shadow-shell)}.hero-copy,.panel{background:var(--surface);border-radius:var(--radius-xl);padding:30px}.hero h1,.page-title{letter-spacing:-.06em;line-height:.93;margin:calc(var(--spacing)*0)}.hero h1{font-size:clamp(2.6rem,5vw,5.2rem);max-width:11ch}.page-title{font-size:clamp(2.1rem,4vw,3.2rem);max-width:14ch}.eyebrow{margin-bottom:calc(var(--spacing)*4);--tw-tracking:.22em;color:var(--accent-deep);font-size:.77rem;letter-spacing:.22em}.hero-text{--tw-leading:calc(var(--spacing)*7);font-size:1.03rem;line-height:calc(var(--spacing)*7);margin-top:18px;max-width:58ch}.hero-note{font-size:.92rem;margin-top:calc(var(--spacing)*4)}.auth-grid,.card-grid,.detail-copy-grid,.editor-grid-two,.grade-grid,.meaning-block,.mini-grid,.stat-grid{display:grid;gap:calc(var(--spacing)*3.5)}.auth-grid,.detail-copy-grid,.editor-grid-two,.grade-grid,.meaning-block,.mini-grid,.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stat-grid{gap:18px}.stat-card{background:linear-gradient(180deg,var(--surface-strong),var(--surface-muted)),linear-gradient(135deg,var(--accent-soft),transparent);border-radius:var(--radius-lg);display:grid;gap:calc(var(--spacing)*3);padding:22px}@supports (color:color-mix(in lab,red,red)){.stat-card{background:linear-gradient(180deg,color-mix(in srgb,var(--surface-strong) 88%,transparent),var(--surface-muted)),linear-gradient(135deg,var(--accent-soft),transparent)}}.stat-label{--tw-tracking:.08em;font-size:.84rem;letter-spacing:.08em}.stat-value{--tw-leading:1;font-size:clamp(2rem,4vw,3.1rem);line-height:1}.feature-card{background:var(--surface);border-radius:var(--radius-lg);padding:22px}.auth-panel h2,.feature-card h2,.panel h2,.panel h3{margin-bottom:calc(var(--spacing)*2.5);margin-top:calc(var(--spacing)*0)}.feature-card p{margin-bottom:calc(var(--spacing)*3.5);margin-top:calc(var(--spacing)*0);--tw-leading:calc(var(--spacing)*7);line-height:calc(var(--spacing)*7)}.text-link{--tw-font-weight:var(--font-weight-extrabold);color:var(--accent-deep);font-weight:var(--font-weight-extrabold)}.layout{display:grid;gap:calc(var(--spacing)*6);grid-template-columns:340px minmax(0,1fr)}.panel-tight{padding:calc(var(--spacing)*6)}.panel-head{align-items:flex-start;display:flex;gap:calc(var(--spacing)*4);justify-content:space-between;margin-bottom:18px}.panel-head p{margin-bottom:calc(var(--spacing)*0);margin-top:calc(var(--spacing)*2);--tw-leading:calc(var(--spacing)*7);line-height:calc(var(--spacing)*7)}.field{display:grid;gap:calc(var(--spacing)*2)}.field-label{--tw-font-weight:var(--font-weight-bold);font-size:.88rem;font-weight:var(--font-weight-bold)}.input{border-radius:var(--radius-md);border-style:var(--tw-border-style);padding-inline:calc(var(--spacing)*3.5);width:100%;--tw-outline-style:none;background:var(--surface-strong);border-color:var(--line);border-width:1px;min-height:50px;outline-style:none}@supports (color:color-mix(in lab,red,red)){.input{background:color-mix(in srgb,var(--surface-strong) 90%,transparent)}}.input{color:var(--ink)}.input:focus{border-color:var(--line-strong);box-shadow:0 0 0 4px var(--accent-soft)}.textarea{min-height:112px;padding-block:calc(var(--spacing)*3.5);padding-inline:calc(var(--spacing)*4);resize:vertical}.input-file{padding-block:calc(var(--spacing)*2.5);padding-inline:calc(var(--spacing)*3.5)}.btn{border-style:var(--tw-border-style);min-height:calc(var(--spacing)*12);transition-duration:var(--tw-duration,var(--default-transition-duration));transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));--tw-duration:.1s;--tw-ease:var(--ease-out);align-items:center;border-radius:3.40282e+38px;border-width:0;cursor:pointer;display:inline-flex;justify-content:center;padding-inline:18px;transition-duration:.1s;transition-timing-function:var(--ease-out)}.btn:hover{transform:translateY(-1px)}.btn:disabled{cursor:not-allowed;opacity:.5;transform:none}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:var(--accent-ink)}.btn-secondary{background:var(--accent-alt-soft);color:var(--accent-alt)}.btn-ghost{background:var(--surface-muted);border-color:var(--line);border-style:var(--tw-border-style);border-width:1px;color:var(--ink)}.btn-danger{background:var(--danger);color:var(--danger-ink)}.audio-meter,.flashcard-tile,.info-card,.meaning-block>div,.media-card,.message,.review-card,.timeline-row{background:var(--surface-muted);border-color:var(--line);border-style:var(--tw-border-style);border-width:1px}.flashcard-tile{gap:calc(var(--spacing)*2.5);text-align:left;transition-duration:var(--tw-duration,var(--default-transition-duration));transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));--tw-duration:.1s;--tw-ease:var(--ease-out);border-radius:22px;cursor:pointer;display:grid;padding:18px;transition-duration:.1s;transition-timing-function:var(--ease-out)}.flashcard-tile:hover{transform:translateY(-2px)}.flashcard-tile.is-active{border-color:var(--line-strong);box-shadow:inset 0 0 0 1px var(--accent-soft)}.flashcard-tile-compact{gap:calc(var(--spacing)*2);padding:calc(var(--spacing)*3.5)}.flashcard-level{--tw-tracking:.12em;color:var(--accent-deep);font-size:.78rem;letter-spacing:.12em}.flashcard-title{--tw-leading:1.15;font-size:1.2rem;line-height:1.15}.flashcard-meta{display:flex;font-size:.83rem;gap:calc(var(--spacing)*2.5);justify-content:space-between}.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.detail-panel{min-height:420px}.detail-grid,.review-shell{display:grid;gap:22px;grid-template-columns:minmax(0,1.2fr) 320px}.detail-main,.detail-side,.review-sidebar{align-content:flex-start;display:grid;gap:calc(var(--spacing)*4)}.kanji-lockup{background:linear-gradient(135deg,var(--accent),var(--accent-deep));border-radius:var(--radius-3xl);color:var(--accent-ink);display:grid;gap:calc(var(--spacing)*1.5);padding:22px}.kanji-primary{--tw-leading:1;font-size:clamp(2rem,4vw,3.5rem);line-height:1}.kanji-secondary{font-size:var(--text-base);line-height:var(--tw-leading,var(--text-base--line-height));opacity:.9}.info-card,.meaning-block>div,.media-card{border-radius:20px;padding:18px}.detail-label{margin-bottom:calc(var(--spacing)*2.5);--tw-tracking:.1em;color:var(--accent-deep);display:inline-block;font-size:.8rem;letter-spacing:.1em}.preview-image{border-radius:14px;max-height:calc(var(--spacing)*60);-o-object-fit:cover;object-fit:cover;width:100%}.meta-list{margin:calc(var(--spacing)*0)}.meta-list div{border-bottom-style:var(--tw-border-style);border-bottom-width:1px;border-color:var(--line);display:flex;gap:calc(var(--spacing)*3);justify-content:space-between;padding-block:calc(var(--spacing)*2.5)}.meta-list div:last-child{border-bottom-style:var(--tw-border-style);border-bottom-width:0;padding-bottom:calc(var(--spacing)*0)}.meta-list dd{margin:calc(var(--spacing)*0);text-align:right}.audio-player{width:100%}.audio-inline{max-width:calc(var(--spacing)*80)}.error-banner,.notice-banner,.success-banner{border-radius:var(--radius-2xl);padding-block:calc(var(--spacing)*3.5);padding-inline:calc(var(--spacing)*4)}.error-banner{background:var(--danger-soft);color:var(--danger)}.success-banner{background:var(--accent-alt-soft);color:var(--accent-alt)}.notice-banner{background:var(--warn-soft);color:var(--warn)}.empty-state{--tw-border-style:dashed;background:var(--surface-muted);border-color:var(--line-strong);border-radius:22px;border-style:dashed;border-width:1px;display:grid;min-height:220px;padding-block:calc(var(--spacing)*6);padding-inline:calc(var(--spacing)*6);place-items:center;text-align:center}.empty-state.compact{min-height:180px}.message-list{max-height:560px;overflow:auto;padding-right:calc(var(--spacing)*1)}.message{border-radius:20px;padding-block:calc(var(--spacing)*4);padding-inline:18px}.message[data-role=assistant]{border-left:4px solid var(--accent)}.message[data-role=user]{border-left:4px solid var(--accent-alt)}.message-head{display:flex;font-size:.86rem;gap:calc(var(--spacing)*3);justify-content:space-between;margin-bottom:calc(var(--spacing)*2)}.message-role{--tw-font-weight:var(--font-weight-bold);font-weight:var(--font-weight-bold)}.checkbox-row{align-items:center;color:var(--muted);display:flex;gap:calc(var(--spacing)*2.5)}.review-card{border-radius:var(--radius-3xl);padding:calc(var(--spacing)*6)}.review-prompt{margin-bottom:calc(var(--spacing)*1.5);margin-top:calc(var(--spacing)*2.5);--tw-leading:1.05;font-size:clamp(1.8rem,3vw,2.8rem);line-height:1.05}.review-answer{border-color:var(--line);border-top-style:var(--tw-border-style);border-top-width:1px;margin-top:18px;padding-top:18px}.audio-meter{border-radius:18px;padding:18px}.meter-bar-row{align-items:flex-end;display:flex;gap:calc(var(--spacing)*2);min-height:88px}.meter-bar{max-width:26px;transition-duration:var(--tw-duration,var(--default-transition-duration));transition-property:height;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));width:100%;--tw-duration:75ms;--tw-ease:linear;border-radius:3.40282e+38px;transition-duration:75ms;transition-timing-function:linear}.password-row{align-items:center;display:grid;gap:calc(var(--spacing)*2.5);grid-template-columns:minmax(0,1fr) auto}.timeline-table{display:grid;gap:calc(var(--spacing)*2)}.timeline-row{border-radius:var(--radius-2xl);display:grid;gap:calc(var(--spacing)*2.5);grid-template-columns:1.3fr repeat(7,minmax(0,1fr));padding-block:calc(var(--spacing)*3.5);padding-inline:calc(var(--spacing)*4)}.timeline-head{--tw-font-weight:var(--font-weight-bold);background:var(--accent-soft);font-weight:var(--font-weight-bold)}.lesson-layout{grid-template-columns:320px minmax(0,1fr)}.lesson-sidebar{align-content:start}.tutor-detail-grid,.tutor-shell{display:grid;gap:calc(var(--spacing)*6)}.tutor-shell{align-items:start;grid-template-columns:320px minmax(0,1fr)}.tutor-conversation-list,.tutor-main-column,.tutor-sidebar,.tutor-sidebar-column,.tutor-transcript-panel{display:grid;gap:calc(var(--spacing)*4)}.tutor-sidebar{position:sticky;top:7rem}.tutor-sidebar-divider{border-color:var(--line);border-top-style:var(--tw-border-style);border-top-width:1px}.tutor-sidebar-head{align-items:flex-start;display:flex;gap:calc(var(--spacing)*3);justify-content:space-between}.tutor-conversation-card,.tutor-message{border-style:var(--tw-border-style);text-align:left;transition-duration:var(--tw-duration,var(--default-transition-duration));transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));--tw-duration:.1s;--tw-ease:var(--ease-out);background:linear-gradient(180deg,var(--surface-strong),var(--surface-muted)),linear-gradient(135deg,var(--accent-soft),transparent 42%);border-color:var(--line);border-radius:22px;border-width:1px;padding:18px;transition-duration:.1s;transition-timing-function:var(--ease-out)}@supports (color:color-mix(in lab,red,red)){.tutor-conversation-card,.tutor-message{background:linear-gradient(180deg,color-mix(in srgb,var(--surface-strong) 84%,transparent),var(--surface-muted)),linear-gradient(135deg,var(--accent-soft),transparent 42%)}}.tutor-conversation-card{cursor:pointer}.tutor-conversation-card:hover{transform:translateY(-1px)}.tutor-conversation-card.is-active{border-color:var(--line-strong);box-shadow:inset 0 0 0 1px var(--accent-soft)}.tutor-conversation-card-small{background:var(--surface-muted)}.tutor-conversation-head,.tutor-conversation-meta{align-items:center;display:flex;gap:calc(var(--spacing)*3);justify-content:space-between}.tutor-conversation-title{--tw-leading:1.2;display:block;font-size:1rem;line-height:1.2}.tutor-conversation-card p{margin-block:calc(var(--spacing)*2);--tw-leading:calc(var(--spacing)*6);color:var(--muted);line-height:calc(var(--spacing)*6)}.tutor-conversation-meta{color:var(--muted);font-size:.8rem}.tutor-transcript-panel{min-height:720px}.tutor-audio-meter{background:linear-gradient(180deg,var(--surface-strong),var(--surface-muted))}@supports (color:color-mix(in lab,red,red)){.tutor-audio-meter{background:linear-gradient(180deg,color-mix(in srgb,var(--surface-strong) 82%,transparent),var(--surface-muted))}}.tutor-message-list{display:grid;gap:calc(var(--spacing)*4);max-height:700px;min-height:360px;overflow:auto;padding-right:calc(var(--spacing)*1)}.tutor-message[data-role=assistant]{border-left:4px solid var(--accent)}.tutor-message[data-role=user]{border-left:4px solid var(--accent-alt)}.tutor-message[data-role=system]{border-left:4px solid var(--line-strong)}.tutor-composer{border-color:var(--line);border-top-style:var(--tw-border-style);border-top-width:1px;padding-top:calc(var(--spacing)*5)}.tutor-detail-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.side-nav{display:grid;gap:calc(var(--spacing)*2);position:sticky;top:calc(var(--spacing)*28)}.side-nav-link{border-radius:var(--radius-md);padding-block:calc(var(--spacing)*3);padding-inline:calc(var(--spacing)*4);--tw-font-weight:var(--font-weight-bold);background:var(--surface-muted);color:var(--muted);font-weight:var(--font-weight-bold)}.side-nav-link:hover{background:var(--surface-strong);color:var(--ink)}@media(max-width:1100px){.detail-grid,.hero,.layout,.lesson-layout,.review-shell,.tutor-detail-grid,.tutor-shell{grid-template-columns:1fr}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.topbar-wrap{padding-top:calc(var(--spacing)*3)}.page-shell,.topbar{width:min(100vw - 16px,1220px)}.page-shell{padding-top:calc(var(--spacing)*4)}.hero-copy,.panel,.topbar{padding:18px}.auth-grid,.card-grid,.detail-copy-grid,.editor-grid-two,.grade-grid,.meaning-block,.mini-grid,.stat-grid,.tutor-detail-grid{grid-template-columns:1fr}.tutor-sidebar{position:static;top:auto}.tutor-transcript-panel{min-height:auto}.tutor-message-list{max-height:none;min-height:280px}.hero h1,.page-title{max-width:none}.timeline-row{grid-template-columns:repeat(2,minmax(0,1fr))}}.app-shell{background:var(--bg);color:var(--ink);overflow-x:hidden}.main-content{padding:1.5rem 1.5rem 5rem}@media(min-width:768px){.main-content{padding:2.5rem}}}@layer utilities{.pointer-events-none{pointer-events:none}.visible{visibility:visible}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.right-0{right:calc(var(--spacing)*0)}.bottom-0{bottom:calc(var(--spacing)*0)}.left-0{left:calc(var(--spacing)*0)}.z-50{z-index:50}.col-span-2{grid-column:span 2/span 2}.my-4{margin-block:calc(var(--spacing)*4)}.mt-2{margin-top:calc(var(--spacing)*2)}.mt-4{margin-top:calc(var(--spacing)*4)}.mt-6{margin-top:calc(var(--spacing)*6)}.mr-2{margin-right:calc(var(--spacing)*2)}.mb-2{margin-bottom:calc(var(--spacing)*2)}.mb-4{margin-bottom:calc(var(--spacing)*4)}.ml-4{margin-left:calc(var(--spacing)*4)}.block{display:block}.flex{display:flex}.grid{display:grid}.hidden{display:none}.h-4{height:calc(var(--spacing)*4)}.h-5{height:calc(var(--spacing)*5)}.h-6{height:calc(var(--spacing)*6)}.h-screen{height:100vh}.min-h-screen{min-height:100vh}.w-4{width:calc(var(--spacing)*4)}.w-5{width:calc(var(--spacing)*5)}.w-6{width:calc(var(--spacing)*6)}.w-20{width:calc(var(--spacing)*20)}.w-64{width:calc(var(--spacing)*64)}.w-65{width:calc(var(--spacing)*65)}.w-full{width:100%}.flex-1{flex:1}.shrink-0{flex-shrink:0}.translate-y-0{--tw-translate-y:calc(var(--spacing)*0)}.translate-y-0,.translate-y-1{translate:var(--tw-translate-x) var(--tw-translate-y)}.translate-y-1{--tw-translate-y:calc(var(--spacing)*1)}.rotate-180{rotate:180deg}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.flex-col{flex-direction:column}.items-center{align-items:center}.items-start{align-items:flex-start}.justify-around{justify-content:space-around}.justify-between{justify-content:space-between}.justify-center{justify-content:center}:where(.space-y-2>:not(:last-child)){--tw-space-y-reverse:0;margin-block-end:calc(var(--spacing)*2*(1 - var(--tw-space-y-reverse)));margin-block-start:calc(var(--spacing)*2*var(--tw-space-y-reverse))}:where(.space-y-6>:not(:last-child)){--tw-space-y-reverse:0;margin-block-end:calc(var(--spacing)*6*(1 - var(--tw-space-y-reverse)));margin-block-start:calc(var(--spacing)*6*var(--tw-space-y-reverse))}:where(.space-x-4>:not(:last-child)){--tw-space-x-reverse:0;margin-inline-end:calc(var(--spacing)*4*(1 - var(--tw-space-x-reverse)));margin-inline-start:calc(var(--spacing)*4*var(--tw-space-x-reverse))}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.overflow-y-auto{overflow-y:auto}.rounded-2xl{border-radius:var(--radius-2xl)}.rounded-lg{border-radius:var(--radius-lg)}.border{border-style:var(--tw-border-style);border-width:1px}.border-t{border-top-style:var(--tw-border-style);border-top-width:1px}.border-r{border-right-style:var(--tw-border-style);border-right-width:1px}.border-dashed{--tw-border-style:dashed;border-style:dashed}.border-\[var\(--line\)\]{border-color:var(--line)}.border-slate-200{border-color:var(--color-slate-200)}.p-1{padding:calc(var(--spacing)*1)}.p-2{padding:calc(var(--spacing)*2)}.p-4{padding:calc(var(--spacing)*4)}.p-6{padding:calc(var(--spacing)*6)}.px-3{padding-inline:calc(var(--spacing)*3)}.px-4{padding-inline:calc(var(--spacing)*4)}.py-3{padding-block:calc(var(--spacing)*3)}.py-8{padding-block:calc(var(--spacing)*8)}.pr-2{padding-right:calc(var(--spacing)*2)}.pl-2{padding-left:calc(var(--spacing)*2)}.text-center{text-align:center}.text-sm{font-size:var(--text-sm);line-height:var(--tw-leading,var(--text-sm--line-height))}.text-xl{font-size:var(--text-xl);line-height:var(--tw-leading,var(--text-xl--line-height))}.text-xs{font-size:var(--text-xs);line-height:var(--tw-leading,var(--text-xs--line-height))}.text-\[10px\]{font-size:10px}.font-bold{--tw-font-weight:var(--font-weight-bold);font-weight:var(--font-weight-bold)}.tracking-tight{--tw-tracking:var(--tracking-tight);letter-spacing:var(--tracking-tight)}.tracking-tighter{--tw-tracking:var(--tracking-tighter);letter-spacing:var(--tracking-tighter)}.tracking-wider{--tw-tracking:var(--tracking-wider);letter-spacing:var(--tracking-wider)}.text-\[var\(--accent\)\]{color:var(--accent)}.text-\[var\(--danger\)\]{color:var(--danger)}.text-\[var\(--muted\)\]{color:var(--muted)}.uppercase{text-transform:uppercase}.italic{font-style:italic}.opacity-0{opacity:0}.opacity-50{opacity:.5}.opacity-80{opacity:.8}.opacity-100{opacity:1}.shadow-lg{--tw-shadow:0 10px 15px -3px var(--tw-shadow-color,#0000001a),0 4px 6px -4px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.backdrop-filter{-webkit-backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,);backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,)}.transition{transition-duration:var(--tw-duration,var(--default-transition-duration));transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function))}.transition-all{transition-duration:var(--tw-duration,var(--default-transition-duration));transition-property:all;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function))}.transition-colors{transition-duration:var(--tw-duration,var(--default-transition-duration));transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function))}.transition-opacity{transition-duration:var(--tw-duration,var(--default-transition-duration));transition-property:opacity;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function))}.transition-transform{transition-duration:var(--tw-duration,var(--default-transition-duration));transition-property:transform,translate,scale,rotate;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function))}.duration-100{--tw-duration:.1s;transition-duration:.1s}.duration-150{--tw-duration:.15s;transition-duration:.15s}.duration-200{--tw-duration:.2s;transition-duration:.2s}.duration-300{--tw-duration:.3s;transition-duration:.3s}.ease-in{--tw-ease:var(--ease-in);transition-timing-function:var(--ease-in)}.ease-out{--tw-ease:var(--ease-out);transition-timing-function:var(--ease-out)}@media(hover:hover){.hover\:bg-\[var\(--line\)\]:hover{background-color:var(--line)}}@media(min-width:48rem){.md\:flex{display:flex}.md\:hidden{display:none}}}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-space-x-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}@property --tw-leading{syntax:"*";inherits:false}.nav-link[data-v-d08d7542]{color:var(--muted)}.nav-link[data-v-d08d7542]:hover{background:var(--surface-muted);color:var(--ink)}.nav-link.active[data-v-d08d7542]{background:var(--surface-strong);box-shadow:var(--shadow-soft);color:var(--accent)}aside[data-v-d08d7542],nav[data-v-d08d7542]{font-family:var(--font-sans)}