/* ============ TDH Student Dashboard + Auth (TagMango-style) ============ */
.tdh-dash,.tdh-auth{--tdh-accent:#6C5CE7;--tdh-ink:#14151a;--tdh-muted:#6b7280;--tdh-line:#e9eaee;--tdh-soft:#f6f7f9;
	color:var(--tdh-ink);max-width:1100px;margin:0 auto;font-size:15px;line-height:1.6}
.tdh-dash *,.tdh-auth *{box-sizing:border-box}

/* ---- Auth (login / register) ---- */
.tdh-auth{display:flex;justify-content:center;padding:30px 16px}
.tdh-auth-card{width:100%;max-width:420px;background:#fff;border:1px solid var(--tdh-line);border-radius:16px;
	box-shadow:0 14px 40px rgba(20,21,26,.08);overflow:hidden}
.tdh-auth-tabs{display:flex}
.tdh-auth-tabs a{flex:1;text-align:center;padding:16px;font-weight:700;text-decoration:none;color:var(--tdh-muted);background:var(--tdh-soft)}
.tdh-auth-tabs a.is-active{color:var(--tdh-ink);background:#fff;box-shadow:inset 0 -3px 0 var(--tdh-accent)}
.tdh-auth-err{margin:16px 22px 0;background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:10px 14px;border-radius:10px;font-size:14px}
.tdh-auth-form{padding:22px}
.tdh-auth-form label{display:block;font-weight:600;font-size:13px;margin:0 0 14px;color:#374151}
.tdh-auth-form input[type=text],.tdh-auth-form input[type=email],.tdh-auth-form input[type=password]{
	width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--tdh-line);border-radius:10px;font-size:15px}
.tdh-auth-remember{font-weight:500!important;color:var(--tdh-muted)!important}
.tdh-auth-btn{display:block;width:100%;background:var(--tdh-accent);color:#fff;border:0;padding:14px;
	border-radius:10px;font-weight:700;font-size:16px;cursor:pointer;text-align:center;text-decoration:none}
.tdh-auth-btn:hover{filter:brightness(.94);color:#fff}
.tdh-auth-forgot{display:block;text-align:center;margin-top:14px;color:var(--tdh-muted);font-size:13px}

/* ---- Dashboard ---- */
.tdh-dash{padding:24px 16px}
.tdh-dash-top{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin:0 0 22px}
.tdh-dash-top h2{margin:0;font-size:26px;font-weight:800}
.tdh-dash-hi{margin:2px 0 0;color:var(--tdh-muted)}
.tdh-dash-logout{color:var(--tdh-accent);font-weight:600;text-decoration:none;border:1px solid var(--tdh-line);padding:8px 16px;border-radius:10px}
.tdh-dash-logout:hover{background:var(--tdh-soft)}

.tdh-dash-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:0 0 28px}
.tdh-stat{background:#fff;border:1px solid var(--tdh-line);border-radius:14px;padding:18px 20px;color:var(--tdh-muted);font-size:14px}
.tdh-stat span{display:block;font-size:28px;font-weight:800;color:var(--tdh-ink);line-height:1.1}

.tdh-dash-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px}
.tdh-dash-card{background:#fff;border:1px solid var(--tdh-line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;
	box-shadow:0 8px 22px rgba(20,21,26,.05)}
.tdh-dash-thumb{position:relative;display:block;aspect-ratio:16/9;background:#111;overflow:hidden}
.tdh-dash-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.tdh-dash-ph{display:flex;align-items:center;justify-content:center;height:100%;color:#fff;font-size:34px}
.tdh-dash-badge{position:absolute;top:10px;right:10px;background:rgba(0,0,0,.7);color:#fff;font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px}
.tdh-dash-cbody{padding:16px;display:flex;flex-direction:column;gap:12px;flex:1}
.tdh-dash-cbody h3{margin:0;font-size:16px;line-height:1.35}
.tdh-dash-cbody h3 a{color:inherit;text-decoration:none}
.tdh-dash-bar{height:8px;background:#e9eaee;border-radius:999px;overflow:hidden}
.tdh-dash-bar span{display:block;height:100%;background:var(--tdh-accent);border-radius:999px;transition:width .4s}
.tdh-dash-continue{margin-top:auto;display:block;text-align:center;background:var(--tdh-accent);color:#fff;
	font-weight:700;padding:11px;border-radius:10px;text-decoration:none}
.tdh-dash-continue:hover{filter:brightness(.94);color:#fff}

.tdh-dash-empty{text-align:center;background:#fff;border:1px dashed var(--tdh-line);border-radius:16px;padding:40px 20px}
.tdh-dash-empty .tdh-auth-btn{display:inline-block;width:auto;margin-top:14px;padding:12px 24px}

@media(max-width:600px){.tdh-dash-stats{grid-template-columns:1fr}}