.login{min-height:100vh;display:grid;place-items:center;padding:24px;background:var(--navy);position:relative;overflow:hidden}
.login .rings{right:auto;left:50%;top:50%;transform:translate(-50%,-50%);opacity:.18}
.login-card{position:relative;z-index:1;width:min(400px,100%);background:var(--surface);color:var(--ink);border-radius:22px;padding:34px 30px 26px;text-align:center;box-shadow:0 40px 80px -30px rgba(0,0,0,.6);animation:rise .6s var(--ease)}
.login-card img{width:96px;height:96px;margin:-82px auto 10px;display:block;border-radius:50%;background:#fff;padding:3px;box-shadow:0 12px 30px -10px rgba(0,0,0,.5)}
.login-card h1{font-family:var(--display);font-size:1.7rem;margin:6px 0 4px;letter-spacing:-.02em}
.login-card p{color:var(--muted);margin:0 0 20px;font-size:.95rem}
.pw{width:100%;height:48px;border-radius:12px;border:1px solid var(--line);background:var(--bg);padding:0 14px;outline:none;font-size:1rem;transition:border-color .2s,box-shadow .2s}
.pw:focus{border-color:var(--navy);box-shadow:0 0 0 4px rgba(18,46,99,.14)}
.login-card .err{color:var(--danger);font-size:.88rem;min-height:22px;margin:8px 0 6px!important}
.login-card .btn{width:100%;height:46px}
.login-card .link{display:inline-block;margin-top:14px;color:var(--muted);font-size:.9rem}
.shake{animation:shake .45s}
@keyframes shake{20%{transform:translateX(-8px)}40%{transform:translateX(8px)}60%{transform:translateX(-5px)}80%{transform:translateX(5px)}}

.adminbar{background:var(--navy);color:#fff;position:sticky;top:0;z-index:20}
.ab-in{display:flex;align-items:center;gap:12px;height:64px}
.ab-in img{width:38px;height:38px;border-radius:50%;background:#fff;padding:2px}
.ab-in b{display:block;font-family:var(--display);font-size:1.08rem;line-height:1.1}
.ab-in small{color:var(--sky);font-size:.8rem}
.ab-in .grow{flex:1}
.ab-btn{height:36px;padding:0 13px;border-radius:9px;border:0;background:rgba(255,255,255,.1);color:#fff;font-weight:600;font-size:.88rem;text-decoration:none;display:inline-flex;align-items:center;transition:background .2s}
.ab-btn:hover{background:rgba(255,255,255,.22)}

.admin-grid{display:grid;grid-template-columns:280px minmax(0,1fr);gap:28px;padding-top:26px;padding-bottom:80px;align-items:start}
.a-side{position:sticky;top:84px;display:flex;flex-direction:column;gap:16px}
.a-side h3{font-family:var(--display);font-size:1rem;margin:0 0 10px}
.a-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px}
.a-courses{display:flex;flex-direction:column;gap:2px}
.a-course{display:flex;align-items:center;gap:10px;width:100%;text-align:left;border:0;background:none;padding:8px 10px;border-radius:9px;font-size:.9rem;font-weight:500;transition:background .2s}
.a-course:hover{background:var(--bg)}
.a-course.on{background:color-mix(in srgb,var(--c) 14%,transparent);font-weight:700}
.a-course i{flex:none;width:10px;height:10px;border-radius:3px;background:var(--c)}
.a-course span{flex:1;line-height:1.25}
.a-course em{font-style:normal;font-size:.78rem;color:var(--muted);font-weight:600}
.a-card label{display:flex;flex-direction:column;gap:6px;font-size:.88rem;color:var(--muted)}
.a-card input[type=date]{height:40px;border-radius:10px;border:1px solid var(--line);background:var(--bg);padding:0 10px;color:var(--ink)}
.a-card .btn{width:100%;margin-bottom:8px;height:40px}
.hint{font-size:.8rem;color:var(--muted);margin:8px 0 0}

.a-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.a-head .dot{width:14px;height:14px;border-radius:4px;background:var(--c)}
.a-head h2{font-family:var(--display);font-size:clamp(1.5rem,3vw,2.1rem);letter-spacing:-.02em;margin:0;line-height:1.1}
.a-head .kind{font-size:.82rem;font-weight:700;color:var(--c);border:1px solid var(--c);border-radius:999px;padding:2px 10px}
.a-weeks{display:grid;grid-template-columns:repeat(14,minmax(40px,1fr));gap:5px;margin:18px 0 22px;overflow-x:auto;padding:2px}
.a-wk{height:52px;border-radius:10px;border:1px solid var(--line);background:var(--surface);display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.1;transition:all .2s}
.a-wk b{font-family:var(--display);font-size:1.1rem}
.a-wk small{font-size:.68rem;color:var(--muted);font-weight:600}
.a-wk:hover{border-color:var(--c)}
.a-wk.has{border-color:color-mix(in srgb,var(--c) 45%,var(--line))}
.a-wk.on{background:var(--c);border-color:var(--c);color:#fff}
.a-wk.on small{color:rgba(255,255,255,.8)}
.a-wk.now{box-shadow:inset 0 -3px 0 var(--sky)}

.a-cols{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:22px}
.a-cols h3{font-family:var(--display);font-size:1.1rem;margin:0 0 10px;display:flex;justify-content:space-between;align-items:baseline}
.a-cols h3 small{font-family:var(--body);font-size:.82rem;color:var(--muted);font-weight:500}

.drop{border:2px dashed var(--line);border-radius:16px;padding:26px;text-align:center;background:var(--surface);transition:border-color .2s,background .2s,transform .2s;position:relative;margin-bottom:16px}
.drop.over{border-color:var(--c);background:color-mix(in srgb,var(--c) 8%,var(--surface));transform:scale(1.01)}
.drop svg{color:var(--c);transition:transform .3s var(--ease)}
.drop.over svg{transform:translateY(-6px)}
.drop p{margin:8px 0 12px;color:var(--muted)}
.drop label{display:inline-flex;align-items:center;height:40px;padding:0 16px;border-radius:10px;background:var(--c);color:#fff;font-weight:600;cursor:pointer}
.drop input{position:absolute;width:1px;height:1px;opacity:0}
.drop .prog{height:4px;border-radius:2px;background:var(--line);margin-top:14px;overflow:hidden}
.drop .prog i{display:block;height:100%;width:0;background:var(--c);transition:width .2s}

.mv{height:34px;border-radius:8px;border:1px solid var(--line);background:var(--bg);padding:0 6px;font-size:.8rem;color:var(--ink)}
.a-empty{color:var(--muted);text-align:center;padding:12px 0}
.note{width:100%;min-height:240px;resize:vertical;border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:14px;line-height:1.6;outline:none;transition:border-color .2s}
.note:focus{border-color:var(--c)}
.saved{font-size:.82rem;color:var(--muted);height:20px;margin-top:6px}