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.exchange-stats{grid-template-columns:repeat(3,minmax(0,1fr));max-width:900px}.exchange-controls{display:flex;align-items:center;gap:10px;margin:10px 0 18px}.exchange-controls select{min-width:240px;padding:10px 12px;border:1px solid #cad8e5;border-radius:10px;background:white;color:#23425d}.exchange-list{display:grid;gap:12px}.exchange-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px;align-items:center;border:1px solid #dfe8f0;border-radius:14px;padding:17px;background:#fff}.exchange-item.needs-reply{border-left:5px solid #d69020;background:#fffdf7}.exchange-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;flex-wrap:wrap}.exchange-student{font-size:16px;color:#173b5e}.exchange-date{display:block;color:#6b7f91;font-size:12px;margin-top:2px}.exchange-item h3{margin:8px 0 5px}.exchange-preview{margin:0 0 8px;line-height:1.45;color:#314c64}.exchange-action{align-self:center}@media(max-width:850px){.exchange-stats{grid-template-columns:1fr}.exchange-item{grid-template-columns:1fr}.exchange-action .btn{width:100%}.exchange-controls{align-items:stretch;flex-direction:column}.exchange-controls select{min-width:0;width:100%}}

:root{--accent:#087f76}.side{background:#123b46}.btn{background:#087f76}.auth-card{max-width:500px}.section-label{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:#087f76;font-weight:800}.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.score-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.score{border-top:4px solid var(--c);padding:12px;background:#f5f8fa;border-radius:8px}.score input{width:100%}.entry{border:1px solid #dce6ed;border-radius:12px;padding:18px;margin:12px 0}.entry p{white-space:pre-wrap}.entry.coach{border-left:4px solid #087f76;background:#f0f9f6}.badge{display:inline-block;border-radius:20px;padding:5px 10px;font-size:12px;background:#e5f4ef;color:#126958}.notice{padding:12px;border-radius:10px;background:#fff7df;color:#735817;margin-bottom:18px}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 24px}.tabs button{border:1px solid #dce6ed;background:white;border-radius:9px;padding:10px 16px}.tabs .active{background:#123b46;color:white}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:12px;border-bottom:1px solid #e0e8f0}th{font-size:12px;color:#61768b}td small{display:block}.table-wrap{overflow:auto}textarea{min-height:110px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #d69a2d;outline-offset:2px}.statusline{font-size:13px;color:#61768b;min-height:20px}footer{margin-top:24px;font-size:12px;color:#61768b}.hero{background:#e9f5f1;padding:24px;border-radius:16px;margin-bottom:20px}.hero h2{font-size:25px}.empty{padding:28px;background:#f7fafb;border-radius:12px;color:#61768b}.hidden{display:none!important}label{display:block;margin:12px 0 7px;font-weight:600}input,select,textarea{max-width:100%;width:100%;border:1px solid #cbd8e1;border-radius:9px;padding:11px;background:#fff;color:#18304a}.field small{display:block;color:#61768b;margin-top:6px}.actions{display:flex;gap:10px;flex-wrap:wrap}button{min-height:40px}.entry time{font-size:12px;color:#61768b}.readonly{padding:12px;background:#f7f9fb;border-radius:8px;white-space:pre-wrap}.top select{max-width:330px}.score-grid .field{margin:0}.danger-text{color:#b63838}@media(max-width:700px){.profile-grid{grid-template-columns:1fr}.score-grid{grid-template-columns:1fr 1fr}.main{padding:18px 12px}.sidebottom{display:block}.side{gap:10px}.nav{flex-wrap:wrap}.nav button{width:auto}.top{margin-bottom:12px}h1{font-size:23px}}
.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(ellipse at top left,#e0f1eb,transparent 65%),#f4f7fb}.auth-card{width:100%;padding:36px;background:#fff;border-radius:20px;border:1px solid #dce6ed;box-shadow:0 15px 60px #123b4610}.auth-card h1{font-size:34px;margin:15px 0}.btn.secondary{background:#fff;border:1px solid #cbd8e1;color:#234956}.btn.secondary:hover{background:#f0f7f5}.btn:hover{filter:brightness(.96)}.hero p{max-width:680px}.score label{font-size:13px}summary{cursor:pointer}summary.btn{list-style:none}details[open]>summary{margin-bottom:16px}@media(max-width:500px){.auth-card{padding:23px}.auth-screen{padding:12px}.auth-card h1{font-size:29px}}

.btn.secondary.danger-text{color:#b63838;border-color:#e7bdbd}.btn.secondary.danger-text:hover{background:#fff1f1}