/* 선생님 계정 화면: 기존의 밝은 보라색 디자인을 이어갑니다. */
.auth-gate{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,440px);gap:24px;align-items:stretch;width:min(1080px,calc(100% - 64px));margin:64px auto 72px}.auth-intro{position:relative;overflow:hidden;border:1px solid #e4dcf0;border-radius:24px;padding:45px 40px 35px;background:linear-gradient(145deg,#faf8ff 10%,#f2eafb 100%);display:flex;flex-direction:column;align-items:flex-start;min-height:530px}.auth-intro:after{content:'';position:absolute;width:240px;height:240px;border:1px solid #e5d9f3;border-radius:50%;right:-94px;bottom:-110px;pointer-events:none}.auth-intro>.eyebrow{font-size:.66rem;letter-spacing:.12em;line-height:1.8}.auth-flower{display:flex;align-items:center;justify-content:center;width:68px;height:68px;margin:49px 0 26px;background:#fff;border:1px solid #e4d8f1;border-radius:20px;color:var(--accent);font-size:2rem;box-shadow:0 7px 21px #6b43a20a}.auth-intro h1{font-size:2rem;letter-spacing:-.055em;line-height:1.55;font-weight:700}.auth-intro>p:not(.eyebrow){margin-top:18px;line-height:1.9;font-size:.91rem;color:#675c77;word-break:keep-all}.auth-features{display:flex;flex-wrap:wrap;gap:7px;margin:30px 0 40px}.auth-features>span{padding:7px 10px;border:1px solid #e2d7ef;background:#ffffffb3;color:#685479;font-size:.71rem;border-radius:7px;line-height:1.5;white-space:nowrap}.auth-signature{position:relative;margin-top:auto;font-size:.72rem;color:#7b6c8d;line-height:1.7}.auth-card{padding:35px 32px 29px;border:1px solid var(--border);border-radius:24px;background:#fff;box-shadow:0 12px 42px #4c2d7808;align-self:start;min-height:440px}.auth-card>.eyebrow{font-size:.64rem}.auth-card h2{font-size:1.34rem;letter-spacing:-.04em;line-height:1.65;margin-top:10px}.auth-description{font-size:.8125rem;line-height:1.8;color:var(--muted);margin-top:9px;word-break:keep-all}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin:26px 0 24px;padding:4px;background:#f5f2f9;border:1px solid #ede7f4;border-radius:10px}.auth-tabs button{border:1px solid transparent;background:transparent;border-radius:7px;min-height:43px;padding:9px 10px;font-size:.83rem;font-weight:600;color:var(--muted);transition:background .15s,color .15s}.auth-tabs button[aria-selected=true]{color:var(--accent-dark);background:white;border-color:#e6ddef;box-shadow:0 1px 5px #45345709}.auth-tabs button:disabled{cursor:wait;opacity:.7}.auth-field{display:grid;gap:8px;font-size:.8125rem;font-weight:600;line-height:1.5;margin-top:19px}.auth-field:first-child{margin-top:0}.auth-field input{width:100%;min-width:0;height:46px;border:1px solid #dfdbe8;border-radius:9px;padding:11px 13px;font-size:.875rem;background:#fdfcfe;transition:border-color .15s,box-shadow .15s}.auth-field input:focus{border-color:#a78aca;box-shadow:0 0 0 3px #f4effa}.auth-field input:disabled{background:#f7f5fa;color:#7f7589}.auth-field-hint{font-size:.71rem;font-weight:400;line-height:1.75;color:var(--muted);word-break:keep-all}.auth-submit{width:100%;min-height:48px;margin-top:25px;font-size:.87rem}.auth-submit:disabled{cursor:wait}.auth-error{margin-top:18px;padding:11px 12px;border:1px solid #f0d7cc;border-radius:9px;color:#973f28;background:#fff6f1;font-size:.79rem;line-height:1.8;word-break:keep-all;overflow-wrap:anywhere}.auth-error:focus{outline:2px solid #d58c70;outline-offset:3px}.auth-account-note{font-size:.71rem;line-height:1.8;text-align:center;color:var(--muted);margin-top:18px;word-break:keep-all}.auth-session-panel{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;text-align:center;padding:45px 0 24px;min-height:250px}.auth-session-panel>p{font-size:.85rem;color:var(--muted);line-height:1.9;word-break:keep-all;max-width:290px}.auth-session-indicator{display:block;width:32px;height:32px;border:3px solid #e5d9f1;border-top-color:var(--accent);border-radius:50%}.auth-session-indicator:not(.is-loading){border-color:#dbcce9;border-top-color:#ae8acf}.auth-session-indicator.is-loading{animation:auth-spin .9s linear infinite}.auth-session-panel>.button{min-height:44px;font-size:.81rem}.auth-gate button:focus-visible,.auth-gate input:focus-visible{outline:3px solid var(--ring);outline-offset:3px}
.topbar{height:auto;min-height:88px;padding-top:12px;padding-bottom:12px}.topbar-right{flex-wrap:wrap}.account-controls{display:flex;align-items:center;gap:9px 14px;flex-wrap:wrap;border-left:1px solid var(--border);padding-left:16px;margin-left:3px;max-width:300px}.account-person{display:flex;align-items:center;gap:9px;min-width:0;flex:1}.account-avatar{display:flex;align-items:center;justify-content:center;flex:none;width:32px;height:34px;border-radius:10px;background:var(--accent-soft);color:var(--accent);font-family:Georgia,serif;font-weight:700;font-size:25px;padding-bottom:3px}.account-person>span:last-child{display:grid;gap:3px;min-width:0}.account-caption{font-size:.6rem;line-height:1.3;color:var(--muted)}.account-person strong{display:block;max-width:135px;text-overflow:ellipsis;white-space:nowrap;overflow:hidden;font-size:.8rem;line-height:1.5;font-weight:600}.account-controls>.button{font-size:.75rem;min-height:40px;padding:8px 10px}.account-status{flex-basis:100%;font-size:.72rem;line-height:1.6;color:#9c3b32;max-width:280px;overflow-wrap:anywhere;word-break:keep-all}
@keyframes auth-spin{to{transform:rotate(360deg)}}
@media(max-width:1100px){.auth-gate{width:calc(100% - 48px);margin:43px auto 55px;grid-template-columns:minmax(0,1fr) minmax(330px,400px);gap:20px}.auth-intro{padding:34px 29px 29px}.auth-intro h1{font-size:1.74rem}.auth-intro>.eyebrow{font-size:.59rem}.auth-intro>p:not(.eyebrow){font-size:.85rem}.auth-card{padding:31px 27px 27px}.topbar-right{gap:7px}.account-controls{padding-left:10px;gap:8px;max-width:230px}.account-person strong{max-width:105px}.account-avatar{display:none}.account-controls>.button{padding-left:7px;padding-right:7px}}
@media(max-width:820px){.auth-gate{max-width:480px;grid-template-columns:minmax(0,1fr);gap:18px;margin:30px auto 44px}.auth-intro{min-height:0;padding:27px 28px 25px}.auth-intro h1{font-size:1.65rem;margin-top:18px}.auth-flower{position:absolute;right:24px;top:26px;margin:0;width:48px;height:48px;font-size:1.5rem;border-radius:15px}.auth-intro>.eyebrow{max-width:calc(100% - 63px);font-size:.59rem}.auth-intro>p:not(.eyebrow){font-size:.81rem;line-height:1.8;margin-top:13px}.auth-features{margin:18px 0 0;gap:6px}.auth-features>span{font-size:.66rem;padding:6px 8px}.auth-signature{display:none}.auth-card{min-height:0;padding:28px}.auth-intro:after{width:170px;height:170px;right:-100px;bottom:-70px}.topbar{align-items:flex-start;gap:14px}.topbar-right{max-width:calc(100% - 170px);justify-content:flex-end}.account-controls{border-left:0;padding-left:0;margin-left:0;max-width:none;flex-basis:100%;justify-content:flex-end}.account-person{flex:initial}.account-caption{display:none}.account-person strong{max-width:180px;font-size:.76rem}.account-controls>.button{min-height:32px;padding-top:5px;padding-bottom:5px;font-size:.72rem}.account-status{max-width:none;text-align:right}}
@media(max-width:640px){.topbar{padding-top:13px;padding-bottom:9px;gap:9px;align-items:center}.topbar-right{display:flex;max-width:none;width:100%;gap:5px;justify-content:flex-start}.topbar-right>.home-link{padding:8px 5px;min-height:38px;display:flex;align-items:center}.topbar-right>.button{flex:1;min-height:39px}.account-controls{border-top:1px solid #f0ebf5;padding:9px 1px 0;margin-top:2px;justify-content:space-between;gap:6px 10px}.account-person{flex:1;gap:8px}.account-avatar{display:flex;width:27px;height:28px;border-radius:8px;font-size:21px}.account-person strong{font-size:.76rem;max-width:200px}.account-controls>.button{min-height:35px;padding:7px 9px}.account-status{text-align:left;font-size:.7rem}.auth-gate{width:calc(100% - 28px);max-width:460px;margin-top:22px;gap:16px}.auth-intro{border-radius:18px;padding:24px}.auth-intro h1{font-size:1.55rem;line-height:1.5;letter-spacing:-.055em}.auth-intro>p:not(.eyebrow){font-size:.79rem}.auth-flower{right:22px;top:22px}.auth-card{border-radius:18px;padding:25px 22px 23px}.auth-card h2{font-size:1.22rem}.auth-description{font-size:.78rem}.auth-tabs{margin-top:22px;margin-bottom:22px}.auth-field{font-size:.8rem;margin-top:18px}.auth-field input{font-size:1rem;min-height:47px}.auth-field-hint{font-size:.7rem}.auth-error{font-size:.76rem}.auth-session-panel{padding-top:32px;min-height:220px}.auth-session-panel>p{font-size:.8rem}.auth-submit{min-height:48px}.auth-account-note{font-size:.69rem}.auth-features{gap:5px}.auth-features>span{font-size:.65rem;padding:6px 7px}}
@media(max-width:360px){.auth-intro{padding:22px 19px}.auth-intro h1{font-size:1.4rem}.auth-card{padding:23px 18px}.auth-flower{right:19px;width:43px;height:43px}.auth-intro>.eyebrow{font-size:.54rem}.auth-features>span{font-size:.6rem;padding:5px 6px}.account-person strong{max-width:165px}}
@media(prefers-reduced-motion:reduce){.auth-session-indicator.is-loading{animation:none}}