/* ATBC 2026 Admin — self-contained styles */
:root {
  --green:#0e7c66; --green-d:#115e4a; --green-soft:#ecfdf5;
  --ink:#0f1a15; --soft:#33433a; --muted:#5b6b62; --line:#dde7df; --line-2:#c7d6ca;
  --bg:#f3f8f3; --surface:#fff; --surface-2:#f4f8f4;
  --amber:#e0532a; --blue:#2563eb; --red:#dc2626;
  --r:12px; --r-sm:8px; --shadow:0 6px 20px rgba(10,44,32,.10); --shadow-sm:0 2px 8px rgba(10,44,32,.07);
  --font:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,monospace;
}
*{box-sizing:border-box} *{margin:0}
body{font-family:var(--font);background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
a{color:var(--green);text-decoration:none}
.boot{padding:80px;text-align:center;color:var(--muted)}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:var(--r-sm);font-weight:600;font-size:13px;border:1px solid var(--line);background:var(--surface);color:var(--ink);transition:.15s}
.btn:hover{border-color:var(--line-2);background:var(--surface-2)}
.btn--primary{background:var(--green);border-color:var(--green);color:#fff;box-shadow:var(--shadow-sm)}
.btn--primary:hover{background:var(--green-d);border-color:var(--green-d)}
.btn--primary:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}
.btn--danger{color:var(--red);border-color:#f3c7c7}
.btn--danger:hover{background:#fdeeee}
.btn--sm{padding:5px 10px;font-size:12px}
.btn--icon{padding:6px 9px;font-weight:700}

/* ---- official banner ---- */
.site-banner{display:block;width:100%;line-height:0;background:#6e0f17}
.site-banner img{width:100%;height:auto;display:block}

/* ---- login ---- */
.login-wrap{min-height:68vh;display:grid;place-items:center;padding:24px}
.login{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:32px;width:100%;max-width:380px;text-align:center}
.login .mark{width:54px;height:54px;border-radius:14px;background:linear-gradient(145deg,#0e9b73,#115e4a);display:grid;place-items:center;margin:0 auto 16px;color:#fff;font-weight:800;font-size:20px}
.login h1{font-size:20px;margin-bottom:4px}
.login p{color:var(--muted);font-size:13px;margin-bottom:20px}
.login input{width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-sm);font-size:15px;margin-bottom:12px}
.login input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(14,124,102,.18)}
.login .err{color:var(--red);font-size:13px;min-height:18px;margin-bottom:8px}

/* ---- shell ---- */
.topbar{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar__in{max-width:1200px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.brand .mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(145deg,#0e9b73,#115e4a);display:grid;place-items:center;color:#fff;font-size:15px}
.brand small{display:block;font-weight:600;color:var(--muted);font-size:11px}
.tabs{display:flex;gap:4px;background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:4px}
.tab{padding:7px 16px;border-radius:999px;font-weight:700;font-size:13px;color:var(--soft)}
.tab.on{background:var(--surface);color:var(--green);box-shadow:var(--shadow-sm)}
.tab span{font-weight:600;color:var(--muted);font-size:11px;margin-left:5px}
.spacer{flex:1}
.dirty{font-size:12px;color:var(--amber);font-weight:700;display:none}
.dirty.show{display:inline}

.wrap{max-width:1200px;margin:0 auto;padding:22px 20px 80px}
.toolbar{display:flex;gap:12px;align-items:center;margin-bottom:18px;flex-wrap:wrap}
.search{flex:1;min-width:220px;position:relative}
.search input{width:100%;height:40px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface)}
.search input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(14,124,102,.15)}
.select{height:40px;padding:0 32px 0 12px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);font-weight:600;color:var(--soft);appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}

/* ---- session group (talks tab) ---- */
.sgroup{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);margin-bottom:14px;overflow:hidden}
.sgroup__head{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--surface-2)}
.sgroup__stripe{width:5px;align-self:stretch;border-radius:99px;background:var(--green)}
.sgroup__title{font-weight:700}
.sgroup__meta{font-size:12px;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap;margin-top:2px}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.03em}
.b-symposium{color:#0e7c66;background:#0e7c6622}.b-oral{color:#2563eb;background:#2563eb1e}
.b-poster{color:#d97706;background:#d977061f}.b-ofs{color:#7c3aed;background:#7c3aed1e}
.b-workshop{color:#db2777;background:#db27771e}.b-course{color:#0891b2;background:#0891b21e}
.talkrow{display:flex;align-items:center;gap:10px;padding:9px 16px;border-top:1px solid var(--line)}
.talkrow:hover{background:var(--surface-2)}
.talkrow__num{font-family:var(--mono);font-size:12px;font-weight:700;color:var(--green);width:24px;text-align:center;flex:none}
.talkrow__main{flex:1;min-width:0}
.talkrow__title{font-weight:600;font-size:13px}
.talkrow__sub{font-size:12px;color:var(--muted)}
.talkrow__act{display:flex;gap:4px;flex:none}
.bulk-chk{flex:none;width:16px;height:16px;cursor:pointer;margin:0}
.drag{flex:none;cursor:grab;color:var(--muted);font-size:16px;line-height:1;user-select:none;padding:0 2px}
.drag:active{cursor:grabbing}
.talkrow.drop-over{box-shadow:inset 0 2px 0 0 var(--green);background:var(--green-soft)}
.sgroup__head.drop-over{outline:2px dashed var(--green);outline-offset:-2px}
.talkrow__title[data-title]{cursor:text}
.inline-input{width:100%;font:inherit;font-weight:600;border:1px solid var(--green);border-radius:5px;padding:2px 7px;box-shadow:0 0 0 3px rgba(14,124,102,.15)}
.bulkbar{position:sticky;top:54px;z-index:6;display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:var(--green-soft);border:1px solid #0e7c6640;border-radius:var(--r);padding:10px 14px;margin-bottom:12px}
.reorder{display:flex;flex-direction:column;gap:1px}
.reorder button{padding:0 5px;font-size:10px;line-height:13px;color:var(--muted);border:1px solid var(--line);border-radius:4px}
.reorder button:hover{color:var(--green);border-color:var(--line-2)}

/* ---- generic list table (sessions/events) ---- */
.rows{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.row{display:flex;align-items:center;gap:12px;padding:11px 16px;border-top:1px solid var(--line)}
.row:first-child{border-top:0}.row:hover{background:var(--surface-2)}
.row__main{flex:1;min-width:0}
.row__t{font-weight:600}
.row__s{font-size:12px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap;margin-top:2px}
.chip{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);font-size:11px;font-weight:600}

.empty{padding:50px;text-align:center;color:var(--muted)}

/* ---- dashboard ---- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin-bottom:22px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.stat__n{font-size:26px;font-weight:800;color:var(--green);line-height:1}
.stat__l{font-size:11px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-top:6px}
.stat__sub{font-size:11px;color:var(--soft);margin-top:7px;line-height:1.4}
.section-title{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:6px 0 12px}
.flags{display:flex;flex-direction:column;gap:9px}
.flag{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.flag__head{display:flex;align-items:center;gap:10px;padding:12px 16px;cursor:pointer}
.flag__head:hover{background:var(--surface-2)}
.flag__dot{width:10px;height:10px;border-radius:50%;flex:none}
.flag--ok .flag__dot{background:#16a34a}.flag--warn .flag__dot{background:#e0532a}.flag--info .flag__dot{background:#2563eb}
.flag__t{font-weight:700;flex:1}
.flag__n{font-weight:800;font-size:14px}
.flag--ok .flag__n{color:#16a34a}.flag--warn .flag__n{color:#e0532a}.flag--info .flag__n{color:#2563eb}
.flag__chev{color:var(--muted);font-size:11px;transition:.15s}
.flag.open .flag__chev{transform:rotate(180deg)}
.flag__body{border-top:1px solid var(--line);display:none}
.flag.open .flag__body{display:block}
.flag__item{display:flex;align-items:center;gap:8px;padding:8px 16px;border-top:1px solid var(--line);font-size:13px;cursor:pointer}
.flag__item:first-child{border-top:0}.flag__item:hover{background:var(--surface-2)}
.flag__item.muted{cursor:default}

/* ---- modal / form ---- */
.modal-bg{position:fixed;inset:0;background:rgba(11,20,16,.45);backdrop-filter:blur(3px);z-index:100;display:flex;align-items:flex-start;justify-content:center;padding:32px 16px;overflow-y:auto}
.modal{background:var(--surface);border-radius:var(--r);box-shadow:0 20px 56px rgba(0,0,0,.25);width:100%;max-width:640px;margin:auto;animation:pop .2s ease}
@keyframes pop{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.modal__head{display:flex;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}
.modal__head h3{font-size:16px}.modal__head .spacer{flex:1}
.modal__body{padding:18px 20px;max-height:64vh;overflow-y:auto}
.modal__foot{display:flex;gap:10px;justify-content:flex-end;padding:14px 20px;border-top:1px solid var(--line)}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;font-weight:700;color:var(--soft);margin-bottom:5px}
.field input,.field select,.field textarea{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);font-size:14px}
.field textarea{min-height:90px;resize:vertical;line-height:1.5}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(14,124,102,.15)}
.field .hint{font-size:11px;color:var(--muted);margin-top:4px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.field-check{display:flex;align-items:center;gap:8px}
.field-check input{width:auto}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:#0f1a15;color:#f6faf6;padding:11px 20px;border-radius:999px;box-shadow:var(--shadow);font-weight:600;font-size:13px;opacity:0;pointer-events:none;transition:.2s;z-index:200}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{background:#7f1d1d}

@media(max-width:640px){.grid2{grid-template-columns:1fr}.tabs .tab span{display:none}.topbar__in{flex-wrap:wrap}}

/* ---- Schedule (big-time headers) editor ---- */
.sched{max-width:720px}
.sched h3{margin:22px 0 10px;font-size:15px}
.frow{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.frow label{width:170px;flex:none;font-weight:600;font-size:13px}
.frow .in{flex:1;min-width:0;height:38px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface)}
.frow .in:focus{outline:none;border-color:var(--green)}
.frow--head{margin-bottom:4px}
.frow--head span{flex:1;font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:700}

/* ---- Emails (author notifications) ---- */
.subtabs{display:flex;gap:6px;margin-bottom:16px}
.em-pill{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600;background:var(--surface-2);border:1px solid var(--line);color:var(--soft)}
.em-pill.ok{background:var(--green-soft);border-color:#bfe6d6;color:var(--green-d)}
.em-pill.warn{background:#fff4ec;border-color:#f3cdb4;color:var(--amber)}
.em-stats{margin:12px 0;color:var(--soft);font-size:14px}
.em-tpl{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:10px 16px;margin:12px 0}
.em-tpl summary{cursor:pointer;font-weight:600;color:var(--green-d)}
.em-tpl label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin:12px 0 4px}
.em-tpl input,.em-tpl textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface-2);font:inherit;font-size:13px}
.em-tpl .row{display:flex;align-items:center;gap:10px;margin-top:12px}
.em-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:14px 0}
.em-actions input{min-width:240px;padding:8px 10px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface)}
.em-actions .spacer{flex:1}
.em-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;font-size:13px}
.em-table th{background:var(--surface-2);text-align:left;padding:9px 12px;font-size:11px;color:var(--muted);border-bottom:1px solid var(--line)}
.em-table td{padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.em-table tr:last-child td{border-bottom:none}
.em-table .row{display:flex;gap:6px}
.em-chg{margin:4px 0;font-size:12px}
.em-was{color:var(--muted);text-decoration:line-through}
.em-now{color:var(--green-d);font-weight:600}
.em-modal{position:fixed;inset:0;background:rgba(10,30,22,.55);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}
.em-modal__box{background:var(--surface);border-radius:var(--r);width:min(680px,100%);max-height:88vh;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.em-modal__bar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line)}
.em-frame{flex:1;border:none;width:100%;min-height:60vh;background:#fff;border-radius:0 0 var(--r) var(--r)}
.em-steps{margin:8px 0 12px 18px;font-size:13px;color:var(--soft);line-height:1.7}
.em-steps code{background:var(--surface-2);padding:1px 5px;border-radius:4px;font-family:var(--mono);font-size:12px}
.em-script{width:100%;font-family:var(--mono);font-size:12px;background:#0f1a15;color:#d6f5e6;border:1px solid var(--line);border-radius:var(--r-sm);padding:10px;white-space:pre;overflow:auto;margin:8px 0}
.em-safe{background:var(--green-soft);border:1px solid #bfe6d6;border-radius:var(--r-sm);padding:8px 12px;font-size:13px;color:var(--green-d);margin:8px 0}