:root{color-scheme:light;--color-bg: #f6efe2;--color-bg-start: #fbf6ec;--color-bg-accent: rgba(232, 93, 49, .1);--color-surface: #ffffff;--color-surface-strong: #fffaf3;--color-surface-hover: rgba(255, 249, 241, .94);--color-text: #1b1714;--color-text-soft: #625247;--color-line: rgba(27, 23, 20, .12);--color-accent: #dd6237;--color-accent-strong: #b64f2c;--color-accent-soft: rgba(221, 98, 55, .12);--color-success: #22704f;--color-warning: #ac6530;--font-body: system-ui, -apple-system, sans-serif;--font-display: system-ui, -apple-system, sans-serif;--font-size-body: 1rem;--font-size-title: clamp(1.5rem, 4vw, 2.5rem);--line-height-body: 1.6;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--radius-sm: .375rem;--radius-card: 1rem;--radius-pill: 9999px;--motion-base: .2s ease;--shadow-soft: 0 4px 12px rgba(0, 0, 0, .05);--content-width: min(100%, 64rem)}*{box-sizing:border-box}html,body,#app{min-height:100vh}body{margin:0;font-family:var(--font-body);background:var(--color-bg);background:linear-gradient(180deg,var(--color-bg-start) 0%,var(--color-bg) 100%);color:var(--color-text);line-height:var(--line-height-body)}button,input,a{font:inherit;color:inherit}button{cursor:pointer;border:none;background:none}a{text-decoration:none}.shell{width:var(--content-width);margin:0 auto;padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-6)}.shell[data-shell=focus]{width:100%;min-height:100vh;min-height:100svh;padding:0;gap:0}.shell__main{width:100%}.shell__main[data-shell=focus]{min-height:100vh;min-height:100svh}.shell__header{display:flex;align-items:center;justify-content:space-between;padding-bottom:var(--space-4);border-bottom:1px solid var(--color-line)}.shell__brand{display:flex;align-items:baseline;gap:var(--space-3)}.shell__brand-title,.auth-brand__title{font-family:var(--font-display);font-weight:800;font-size:1.5rem;letter-spacing:.05em}.shell__actions{display:flex;align-items:center;gap:var(--space-3)}.shell__user{font-size:.9rem;color:var(--color-text-soft)}.shell__offline{font-size:.8rem;color:var(--color-warning);font-weight:700}.primary-button{background:var(--color-accent);color:#fff;padding:.6rem 1.2rem;border-radius:var(--radius-pill);font-weight:700;transition:transform var(--motion-base),background-color var(--motion-base)}.primary-button:hover{background:var(--color-accent-strong);transform:translateY(-1px)}.secondary-button{padding:.6rem 1.2rem;border:1px solid var(--color-line);border-radius:var(--radius-pill);transition:background-color var(--motion-base)}.secondary-button:hover{background:var(--color-surface-hover)}.refresh-button{background:var(--color-success);color:#fff;padding:.5rem 1rem;border-radius:var(--radius-pill);font-size:.85rem}.panel{background:var(--color-surface);padding:var(--space-5);border-radius:var(--radius-card);border:1px solid var(--color-line);box-shadow:var(--shadow-soft);animation:fade-in .3s ease}.panel__title{margin:0 0 var(--space-4) 0;font-family:var(--font-display);font-size:var(--font-size-title)}.panel__subtitle{margin:calc(-1 * var(--space-2)) 0 var(--space-5);color:var(--color-text-soft)}.form{display:grid;gap:var(--space-4)}.field{display:grid;gap:var(--space-2)}.field__label{font-weight:700;font-size:.9rem}.field__input{width:100%;padding:.75rem 1rem;border:1px solid var(--color-line);border-radius:var(--radius-sm);background:var(--color-surface-strong)}.field__input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-soft)}.field__error{color:var(--color-warning);font-size:.85rem}@keyframes fade-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%{transform:scale(.95);opacity:.5}50%{transform:scale(1.05);opacity:1}to{transform:scale(.95);opacity:.5}}.auth-shell__header{text-align:center;padding:var(--space-6) 0}.auth-brand__title{font-size:2.5rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.today-page{min-height:100vh;min-height:100svh;padding:clamp(1.5rem,4vw,3.5rem);background:radial-gradient(circle at 18% 12%,rgba(247,210,255,.52),transparent 26rem),radial-gradient(circle at 78% 22%,rgba(255,232,178,.42),transparent 28rem),linear-gradient(145deg,#fffaf7,#f8f1ff,#fffdf8)}.today-panel{width:min(100%,820px);min-height:calc(100vh - clamp(3rem,8vw,7rem));min-height:calc(100svh - clamp(3rem,8vw,7rem));margin:0 auto;display:grid;grid-template-rows:auto 1fr;gap:clamp(1.25rem,3vw,2rem)}.kibo-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4)}.kibo-header__identity{display:flex;align-items:center;gap:clamp(.85rem,2vw,1.15rem)}.kibo-header__avatar,.focus-card__avatar{display:grid;place-items:center;flex:0 0 auto;border-radius:999px;background:linear-gradient(145deg,#eee4ff,#fff);box-shadow:inset 0 0 0 1px #7d58da1a,0 12px 28px #7052c21f}.kibo-header__avatar{width:clamp(4rem,8vw,5.5rem);height:clamp(4rem,8vw,5.5rem);font-size:clamp(2rem,4vw,2.8rem)}.kibo-header__title{margin:0;font-size:clamp(1.9rem,4vw,2.6rem);font-weight:850;line-height:1;color:#111735}.kibo-header__subtitle{margin:.35rem 0 0;color:#73798d;font-size:clamp(1rem,2vw,1.25rem);font-weight:650}.kibo-header__progress{display:inline-flex;align-items:center;gap:.6rem;padding:.7rem 1.15rem;border:1px solid rgba(121,91,210,.16);border-radius:999px;background:#ffffffbd;box-shadow:0 10px 26px #432e8414;color:#7359cf;font-size:clamp(1rem,2vw,1.25rem);font-weight:800}.focus-card{align-self:center;display:grid;gap:clamp(1rem,2.6vw,1.55rem);padding:clamp(1.4rem,3vw,2.25rem);border:1px solid rgba(121,91,210,.1);border-radius:clamp(1.75rem,4vw,2.75rem);background:#ffffffb8;box-shadow:0 28px 70px #4c32961f;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.focus-card__heading{text-align:center}.focus-card__eyebrow{margin:0;color:#7b5dde;font-size:clamp(1.65rem,4vw,2.45rem);font-weight:900;line-height:1.1}.focus-card__eyebrow:before,.focus-card__eyebrow:after{content:"✦";margin:0 .75rem;color:#ffd866;font-size:.58em;vertical-align:.12em}.focus-card__title{margin:.5rem 0 0;color:#0c1230;font-size:clamp(1.85rem,4.6vw,3.1rem);line-height:1.08}.focus-card__image{display:grid;place-items:center;min-height:clamp(15rem,36vw,22rem);overflow:hidden;border:.55rem solid rgba(255,255,255,.9);border-radius:clamp(1.4rem,3vw,2.25rem);background:radial-gradient(circle at 26% 70%,#f59a2e 0 3rem,transparent 3.2rem),radial-gradient(circle at 38% 58%,#fff1bd 0 1.8rem,transparent 1.95rem),radial-gradient(circle at 68% 44%,rgba(20,22,24,.9) 0 5.5rem,transparent 5.75rem),radial-gradient(circle at 68% 44%,#8d8371 0 7.2rem,transparent 7.4rem),linear-gradient(135deg,#315f32,#74a83e 38%,#c99646 68%,#2d5732);box-shadow:0 18px 42px #233f2829;color:#ffffffe0;font-weight:850;text-shadow:0 2px 12px rgba(0,0,0,.32)}.focus-card__prompt-row{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:clamp(.75rem,2vw,1.25rem)}.focus-card__avatar{width:clamp(4rem,9vw,5.5rem);height:clamp(4rem,9vw,5.5rem);font-size:clamp(2rem,4vw,2.75rem)}.focus-card__prompt{margin:0;padding:clamp(1rem,2.4vw,1.35rem) clamp(1.1rem,3vw,1.7rem);border:1px solid rgba(121,91,210,.1);border-radius:1.5rem;background:#ffffffd1;color:#161a35;font-size:clamp(1.1rem,2.5vw,1.45rem);line-height:1.55;box-shadow:0 16px 34px #4a358414}.focus-card__prompt strong{color:#7658da}.focus-card__status{margin:0;text-align:center;color:#6d51cf;font-weight:800}.today-focus-stack{display:grid;align-self:center;gap:.85rem}.interaction-card{align-self:stretch}.interaction-card__label{text-align:center;color:#7b5dde;font-size:clamp(1.2rem,3vw,1.75rem);font-weight:900}.word-card{display:grid;justify-items:center;gap:.25rem;padding:clamp(1.1rem,3vw,1.8rem);border:1px solid rgba(121,91,210,.1);border-radius:2rem;background:#ffffffb8}.word-card__word{margin:0;color:#0c1230;font-size:clamp(3.3rem,10vw,5.5rem);font-weight:950;line-height:1}.word-card__phonetic,.word-card__meaning{margin:0;color:#73798d;font-size:clamp(1.25rem,3vw,1.75rem);font-weight:750}.word-card__meaning{color:#7b5dde}.icon-orb,.inline-audio-button,.audio-strip__play{display:inline-grid;place-items:center;border-radius:999px;color:#7658da;background:#7b5dde1a}.icon-orb{width:4.7rem;height:4.7rem;margin-top:.5rem;border:2px solid rgba(123,93,222,.16)}.focus-card__image--short{min-height:clamp(9rem,24vw,14rem)}.focus-card__image--question{min-height:clamp(11rem,26vw,16rem)}.voice-practice-card,.audio-strip,.question-card,.feedback-strip,.example-strip,.voice-answer-panel{border:1px solid rgba(121,91,210,.13);border-radius:1.45rem;background:#ffffffb8;box-shadow:0 14px 32px #4a358412}.voice-practice-card{display:flex;align-items:center;gap:1.1rem;padding:1rem 1.25rem;color:#7658da}.voice-practice-card--center{display:grid;justify-items:center;text-align:center;padding:1.4rem}.voice-practice-card__title{margin:0;color:#7658da;font-size:clamp(1.25rem,3vw,1.7rem);font-weight:900}.voice-practice-card__helper{margin:.2rem 0 0;color:#73798d;font-weight:700}.voice-practice-card__wave,.audio-strip__wave{width:min(100%,22rem);height:2.5rem;border-radius:999px;background:repeating-linear-gradient(90deg,rgba(123,93,222,.18) 0 .25rem,transparent .25rem .7rem)}.example-strip,.feedback-strip{display:flex;align-items:center;justify-content:center;gap:.6rem;margin:0;padding:.9rem 1rem;color:#101632;font-size:clamp(1rem,2.2vw,1.25rem);font-weight:750}.example-strip{background:#fff7d6d6}.feedback-strip{background:#ecffe0cc}.read-panel{display:grid;gap:.6rem;padding:clamp(1rem,2.6vw,1.6rem);border-radius:1.6rem;background:#ffffffd1}.read-panel__sentence{margin:0;color:#101632;font-size:clamp(1.25rem,3vw,1.9rem);line-height:1.55}.keyword-chip,.sentence-keyword{color:#7658da;font-weight:900}.keyword-chip{display:inline-block;padding:0 .35rem;border-radius:.6rem;background:#7b5dde1a}.inline-audio-button{width:2rem;height:2rem;margin-left:.4rem;vertical-align:middle}.audio-strip{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:1rem;padding:.85rem 1rem;color:#626984;font-weight:750}.audio-strip__play{width:3.8rem;height:3.8rem;color:#fff;background:linear-gradient(145deg,#a56cf3,#7654d9)}.focus-card__title--sentence{max-width:14ch;margin-inline:auto}.focus-card__button--compact{justify-self:center;min-height:3.8rem;width:min(100%,28rem)}.question-card{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:1rem;padding:1rem 1.2rem;color:#7658da}.question-card--center{grid-template-columns:auto 1fr auto}.question-card__question{margin:0;color:#101632;font-size:clamp(1.35rem,3vw,2rem);font-weight:900}.question-card__helper{margin:.15rem 0 0;color:#73798d;font-size:clamp(1rem,2vw,1.25rem);font-weight:700}.question-card__badge{display:grid;place-items:center;width:2.7rem;height:2.7rem;border-radius:999px;background:linear-gradient(145deg,#a56cf3,#7654d9);color:#fff;font-weight:900}.choice-list{display:grid;gap:.75rem}.choice-option{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:1rem;min-height:4.7rem;padding:.8rem 1rem;border:1px solid rgba(121,91,210,.12);border-radius:1.25rem;background:#ffffffc2;color:#111735;text-align:left;font-size:clamp(1rem,2.5vw,1.35rem);font-weight:800}.choice-option--selected{border-color:#7b5dde94;color:#7658da;box-shadow:0 0 0 3px #7b5dde1c}.choice-option__icon{display:grid;place-items:center;width:3.5rem;height:3.5rem;border-radius:1rem;background:#fff7d6db;font-size:1.7rem}.voice-answer-panel{display:grid;justify-items:center;gap:.8rem;padding:1.1rem;color:#7658da;font-weight:850}.voice-answer-panel__bubble{width:min(100%,34rem);padding:.9rem 1.2rem;border-radius:1.2rem;color:#101632;font-size:clamp(1.05rem,2.5vw,1.35rem);font-weight:750}.voice-answer-panel__bubble--user{background:#7b5dde1f}.voice-answer-panel__bubble--kibo{background:#ffffffdb}.focus-card__button{display:flex;align-items:center;justify-content:center;gap:1rem;min-height:clamp(4.1rem,8vw,5.1rem);padding:.95rem 1.5rem;border-radius:999px;background:linear-gradient(135deg,#a06cf4,#7958d9);box-shadow:0 16px 32px #7656d752,inset 0 0 0 3px #ffffff29;color:#fff;font-size:clamp(1.25rem,3vw,1.75rem);font-weight:900;transition:transform var(--motion-base),box-shadow var(--motion-base)}.focus-card__button:hover{transform:translateY(-2px);box-shadow:0 20px 38px #7656d761,inset 0 0 0 3px #ffffff2e}.focus-card__button-icon{display:grid;place-items:center;width:2.4rem;height:2.4rem;border-radius:999px;background:#fff;color:#7a59dc;font-size:1rem}@media(max-width:639px){.today-page{padding:1rem}.today-panel{min-height:calc(100svh - 2rem);gap:1rem}.kibo-header{gap:.75rem}.kibo-header__progress{padding:.55rem .85rem}.focus-card{padding:1rem;border-radius:1.6rem}.focus-card__prompt-row{grid-template-columns:1fr;justify-items:center}.focus-card__prompt{width:100%}.focus-card__image{min-height:12.5rem;border-width:.35rem}}@media(min-width:1025px){.today-panel{width:min(100%,860px)}}