:root{font-family:Inter,ui-sans-serif,system-ui,sans-serif;color:#17231f;background:#f5f3ed;line-height:1.4;--green:#173b30;--muted:#66716b;--card:#fff;--line:#dce1db}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;padding-bottom:78px}
.app-header{background:var(--green);color:#fff;padding:24px max(20px,calc((100% - 760px)/2));display:flex;justify-content:space-between;align-items:center}
.app-header h1{margin:0;font-size:1.7rem}
.header-right{display:flex;align-items:center;gap:14px}
.user-info{display:flex;align-items:center;gap:10px;font-size:.85rem}
.user-name{font-weight:600;color:#fff}
.admin-badge{background:#8ee3ad;color:#152b24;padding:2px 6px;border-radius:4px;font-size:.68rem;font-weight:700;text-transform:uppercase}
.logout-button{background:rgba(255,255,255,0.15);border:1px solid rgba(255,255,255,0.3);color:#fff;border-radius:6px;padding:4px 10px;font-size:.8rem;font-weight:600;cursor:pointer}
.logout-button:hover{background:rgba(255,255,255,0.25)}
.eyebrow{margin:0 0 3px;font-size:.7rem;letter-spacing:.16em;opacity:.7}
.status-dot{width:10px;height:10px;background:#8ee3ad;border-radius:50%}
.status-dot.offline{background:#f0b35e}
.banner{background:#fff1d6;color:#734e17;padding:10px 20px;text-align:center;font-size:.9rem}
.hidden{display:none!important}
main{max-width:760px;margin:0 auto;padding:22px 16px}
h2{font-size:1.35rem;margin:0 0 18px}
.mode-selector{display:flex;gap:8px;border:0;padding:0;margin:0 0 18px}
.mode-selector legend{font-size:.8rem;font-weight:700;color:#48544e;margin-bottom:7px}
.mode-selector label{display:flex;align-items:center;gap:7px;padding:9px 14px;background:#e7ece9;border-radius:9px;cursor:pointer}
.mode-selector input{width:auto;margin:0;padding:0}
.elo-player-picker{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 16px;margin:0 0 18px}
.elo-player-picker legend{font-weight:700;padding:0 7px}
.elo-player-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.teams{display:grid;gap:10px;position:relative}
.team-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 16px 14px;display:grid;gap:12px}
.team-card legend{font-weight:700;padding:0 7px}
.team-card input[readonly],.team-card select:disabled{background:#f0f3f1;color:#34463f;opacity:1}
.team-elo{margin:0;padding:8px 10px;background:#edf5f1;border-radius:8px;color:var(--green);font-size:.76rem;font-weight:650}
.versus{text-align:center;font-size:.75rem;font-weight:700;color:var(--muted);margin:-4px 0}
label{display:grid;gap:5px;font-size:.8rem;font-weight:650;color:#48544e}
input,select{font:inherit;font-size:1rem;color:#17231f;background:#fff;border:1px solid #cbd3cc;border-radius:9px;padding:11px 12px;min-width:0}
input:focus,select:focus,button:focus-visible{outline:3px solid #a8d5c0;outline-offset:2px}
.score-control{display:grid;grid-template-columns:42px 1fr 42px;gap:7px}
.score-control button{border:0;border-radius:9px;background:#e3eee9;color:var(--green);font-size:1.5rem;cursor:pointer}
.score-control input{text-align:center;font-weight:750}
.primary-button,.secondary-button{width:100%;border:0;border-radius:10px;padding:13px;font:inherit;font-weight:700;cursor:pointer}
.primary-button{margin-top:20px;background:var(--green);color:#fff}
.primary-button:disabled,.secondary-button:disabled{opacity:.5;cursor:not-allowed}
.secondary-button{background:#e2ece7;color:var(--green);margin-top:16px}
.form-message{min-height:20px;text-align:center;font-size:.9rem}
.form-message.error{color:#a33e2e}
.form-message.success{color:#25734c}
.section-heading{display:flex;justify-content:space-between;align-items:center}
.text-button{background:none;border:0;color:#32765b;font-weight:700;cursor:pointer;font-size:inherit}
.history-list{display:grid;gap:12px}
.game-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:15px}
.game-date{color:var(--muted);font-size:.78rem}
.game-teams{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px;margin-top:9px}
.game-team:last-child{text-align:right}
.game-team.winner{font-weight:750}
.color-mark{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:5px;border:1px solid #aaa}
.color-mark.Black{background:#17231f}
.color-mark.White{background:#fff}
.game-score{font-size:1.2rem;font-weight:800}
.game-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:13px;padding-top:12px;border-top:1px solid var(--line)}
.game-action-button{border:0;border-radius:8px;padding:8px 11px;background:#e2ece7;color:var(--green);font:inherit;font-size:.78rem;font-weight:700;cursor:pointer}
.game-action-button:hover{background:#d3e4dc}
.game-action-button:disabled{opacity:.55;cursor:not-allowed}
.game-action-button.danger{background:#f9e2de;color:#9a3024}
.game-action-button.danger:hover{background:#f3d1cb}
.archive-list{margin-top:4px}
.empty{color:var(--muted);text-align:center;padding:35px 0}
.rating-status{display:grid;gap:3px;margin-bottom:16px;padding:13px 15px;border-radius:12px;font-size:.82rem}
.rating-status.success{background:#e8f4ed;color:#256344}
.rating-status.warning{background:#fff1d6;color:#734e17}
.rating-status span{font-size:.76rem}
.standings{margin-top:22px}
.standings h3{margin:0 0 10px;font-size:1.05rem}
.table-scroll{max-width:100%;overflow-x:auto;border-radius:14px}
.stats-table{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden}
.stats-table th,.stats-table td{text-align:left;padding:11px 9px;border-bottom:1px solid var(--line);font-size:.86rem}
.stats-table th{font-size:.72rem;color:var(--muted)}
.color-stats{background:#fff;border-radius:14px;padding:16px;margin-bottom:16px}
.color-row{display:flex;justify-content:space-between;padding:5px 0}
.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:68px;background:#fff;border-top:1px solid var(--line);display:flex;justify-content:center;z-index:2}
.nav-button{flex:1;max-width:250px;border:0;background:none;color:#748079;font-size:1.35rem;cursor:pointer}
.nav-button span{display:block;font-size:.7rem;font-weight:650}
.nav-button.active{color:var(--green)}
.view{display:none}
.view.active{display:block}

/* Auth & Admin styling */
.auth-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px 20px;max-width:420px;margin:20px auto}
.auth-subtitle{color:var(--muted);font-size:.85rem;margin-top:-10px;margin-bottom:16px}
.auth-switch{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);text-align:center;font-size:.85rem;color:var(--muted);display:flex;flex-direction:column;gap:6px;align-items:center}
.admin-grid{display:grid;gap:16px}
.admin-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 16px}
.admin-card h3{margin:0 0 8px;font-size:1.1rem}
.admin-desc{color:var(--muted);font-size:.88rem;margin:0 0 16px}
.admin-card form{margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.admin-card form .admin-desc{margin:8px 0 0}
.checkbox-label{display:flex;align-items:center;gap:9px}
.checkbox-label input{width:auto;margin:0;padding:0}
.elo-admin-status{display:grid;gap:4px;padding:12px;background:#f5f8f6;border-radius:10px;color:var(--muted);font-size:.82rem}
.elo-admin-status strong{color:var(--green);font-size:.9rem}
.invite-output{margin-top:16px;padding:16px;background:#f5f8f6;border:1px solid #cde0d5;border-radius:10px;display:grid;gap:10px}
.invite-note{font-size:.8rem;color:var(--green);margin:0;font-weight:600}

@media(min-width:600px){
  .teams{grid-template-columns:1fr 30px 1fr;align-items:center}
  .versus{grid-column:2;grid-row:1}
  .team-card:first-child{grid-column:1}
  .team-card:last-child{grid-column:3}
  .teams .versus{margin:0}
}
.records{display:grid;grid-template-columns:1fr;gap:12px;margin:22px 0}
.records h3{grid-column:1;margin:0;font-size:1.1rem}
.record-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}
.record-card h4{margin:0 0 12px;font-size:.95rem}
.record-columns{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.record-columns small{color:var(--muted);font-weight:700;font-size:.7rem;text-transform:uppercase}
.record-list{list-style:none;margin:5px 0 0;padding:0}
.record-list li{display:flex;justify-content:space-between;gap:8px;padding:5px 0;border-bottom:1px solid #edf0ed;font-size:.82rem}
.record-list li:last-child{border-bottom:0}
.record-list .record-best{font-weight:750;color:var(--green)}
.record-empty{color:var(--muted)}
@media(min-width:600px){
  .records{grid-template-columns:1fr 1fr}
  .records h3{grid-column:1/-1}
}