/* Casual Chess Club app UI — shared, tablet-first, responsive */
:root{
  --bg:#0b0806;
  --bg2:#17100b;
  --panel:#17110d;
  --panel2:#22180f;
  --panel3:#2a1d13;
  --cream:#f5ecdc;
  --muted:#b9aa94;
  --gold:#c79a4a;
  --gold-light:#efd18a;
  --line:#4d3927;
  --line-strong:#72583c;
  --ok:#5d9b64;
  --danger:#bd5b4d;
  --blue:#6d93c4;
  --shadow:0 10px 28px rgba(0,0,0,.35);
  --radius:16px;
}

*{box-sizing:border-box}
html{min-height:100%;background:var(--bg)}
body{min-height:100vh;margin:0;background:radial-gradient(circle at 50% 0,#2b1b10 0,#120c08 40%,#090604 100%);color:var(--cream);font-family:Arial,Helvetica,sans-serif;font-size:17px;line-height:1.42;overflow-x:hidden}
a{color:inherit}
img{max-width:100%}
button,input,select,textarea{font:inherit}
button{color:inherit}

/* Shared page chrome */
.site-header{display:flex;align-items:center;justify-content:center;min-height:86px;padding:10px 16px;border-bottom:1px solid rgba(199,154,74,.23);background:rgba(9,6,4,.55)}
.site-header a{display:flex;align-items:center;justify-content:center;text-decoration:none}
.site-header img{display:block;width:72px;height:72px;max-width:72px;max-height:72px;object-fit:contain}
.container{width:min(1120px,94vw);margin:0 auto;padding:18px 0 48px}
.hero{text-align:center;padding:12px 0 18px}
.hero h1{margin:4px 0 8px;font-family:Georgia,'Times New Roman',serif;font-size:clamp(34px,5vw,56px);line-height:1.04;color:var(--cream)}
.hero p{max-width:800px;margin:0 auto;color:var(--muted);font-size:clamp(16px,2vw,20px);line-height:1.5}
.compact{color:var(--muted);font-size:14px;line-height:1.45}
.spacer{height:12px}
.full{grid-column:1/-1}

/* Buttons */
.button,.big-button,.round-launch,.admin-card,.app-home-card{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
.button,.big-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-align:center;text-decoration:none;border:1px solid var(--line-strong);border-radius:13px;background:linear-gradient(#2a1d13,#17100b);color:var(--cream);font-weight:800;cursor:pointer;box-shadow:0 5px 14px rgba(0,0,0,.28)}
.button{min-height:50px;padding:10px 16px;font-size:16px}
.big-button{min-height:116px;padding:18px 22px;border:2px solid var(--gold);border-radius:18px;font-size:clamp(28px,4vw,44px)}
.button:hover,.big-button:hover{border-color:var(--gold)}
.button:active,.big-button:active,.admin-card:active,.round-launch:active,.app-home-card:active{transform:translateY(1px)}
.button.ok{border-color:var(--ok);background:linear-gradient(#243322,#152016)}
.button.danger{border-color:var(--danger);background:linear-gradient(#351b17,#1f100e)}
.button.secondary{border-color:#715e49;background:linear-gradient(#241a13,#140e0a)}
.button-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:20px auto;max-width:940px}
.small-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.inline-form{display:inline-flex;margin:0}

/* Panels and forms */
.panel{margin:16px 0;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,#19120e,#100c09);box-shadow:var(--shadow)}
.panel h2,.panel h3{margin:0 0 10px;font-family:Georgia,'Times New Roman',serif;color:var(--gold-light);line-height:1.15}
.panel h2{font-size:clamp(25px,3vw,34px)}
.panel h3{font-size:22px}
.panel p:first-child{margin-top:0}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field label{display:block;margin:0 0 7px;color:var(--muted);font-weight:800}
.field input,.field select,.field textarea,.mod-select,.small-actions input,.small-actions select{width:100%;min-height:50px;padding:12px 14px;border:1px solid #6b5239;border-radius:11px;background:#0a0806;color:var(--cream);font-size:18px;outline:none}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus,.mod-select:focus,.small-actions input:focus,.small-actions select:focus{border-color:var(--gold);box-shadow:0 0 0 2px rgba(199,154,74,.15)}
.field input[type=checkbox]{width:22px;min-height:22px;height:22px;padding:0;vertical-align:middle}
.privacy{color:var(--muted);font-size:14px;line-height:1.5}
.notice{margin:14px 0;padding:14px 16px;border:1px solid var(--line);border-left:5px solid var(--gold);border-radius:11px;background:#21170f;line-height:1.45}
.notice.success,.success{border-left-color:var(--ok)}
.notice.error,.error{border-left-color:var(--danger)}
.danger-zone{border-color:rgba(189,91,77,.55)}
.danger-zone h2{color:#e7aaa0}
hr{border:0;border-top:1px solid var(--line)}

/* Navigation — one readable hierarchy */
.mod-nav{display:grid;gap:9px;margin:0 0 14px}
.app-nav{grid-template-columns:repeat(auto-fit,minmax(145px,1fr));padding:10px;border:1px solid var(--line);border-radius:15px;background:rgba(10,7,5,.78);box-shadow:0 5px 16px rgba(0,0,0,.25)}
.app-nav .button{min-height:52px;padding:10px 12px;font-size:15px;box-shadow:none}
.app-nav .button.ok{border-color:var(--gold);background:linear-gradient(#3b2b1c,#21170f);color:var(--gold-light)}
.sub-nav{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin-top:-4px;padding:9px;border:1px solid rgba(77,57,39,.7);border-radius:13px;background:rgba(18,13,9,.68)}
.sub-nav .button{min-height:46px;padding:9px 11px;border-width:1px;font-size:14px;box-shadow:none}

/* Administration hub */
.admin-section{margin:26px 0}
.admin-section>h2{margin:0 0 12px;font-family:Georgia,'Times New Roman',serif;font-size:clamp(27px,3.3vw,38px);color:var(--gold-light)}
.admin-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.admin-card{display:flex;flex-direction:column;gap:8px;min-height:170px;padding:22px;border:1px solid var(--line);border-radius:17px;background:linear-gradient(145deg,#24190f,#110c08);color:var(--cream);text-decoration:none;box-shadow:var(--shadow)}
.admin-card:hover{border-color:var(--gold)}
.admin-card>span{color:var(--gold);font-size:12px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}
.admin-card>strong{font-family:Georgia,'Times New Roman',serif;font-size:clamp(25px,3vw,34px);line-height:1.1;text-decoration:none}
.admin-card>small{margin-top:auto;color:var(--muted);font-size:15px;line-height:1.45;text-decoration:none}
.admin-session-callout{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:28px}
.admin-session-callout>div{min-width:0}

/* Members */
details.panel{padding:0;overflow:hidden}
details.panel>summary{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:18px 20px;cursor:pointer;font-size:21px;font-weight:900;list-style:none}
details.panel>summary::-webkit-details-marker{display:none}
details.panel[open]>summary{border-bottom:1px solid var(--line);background:rgba(199,154,74,.05)}
details.panel>form,details.panel>div{margin-left:20px!important;margin-right:20px!important}
.badge{display:inline-flex;align-items:center;justify-content:center;padding:4px 8px;border:1px solid #665039;border-radius:999px;color:#cfbea3;background:#15100c;font-size:12px;font-weight:800;white-space:nowrap}
.member-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.member-list form{min-width:0}
.member-button{width:100%;min-height:88px;padding:12px 10px;font-size:21px;line-height:1.15;flex-direction:column}
.member-button .badge{margin:5px 0 0}

/* Session / host controls */
.host-tools-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px}
.host-tools-grid .button{min-height:68px;font-size:18px}
.round-launch-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:18px 0}
.round-launch{display:flex;flex-direction:column;gap:7px;min-height:150px;padding:21px;border:2px solid var(--gold);border-radius:17px;background:linear-gradient(145deg,#2b1f15,#120d09);color:var(--cream);text-decoration:none;box-shadow:var(--shadow)}
.round-launch span{color:var(--gold);font-size:13px;font-weight:900;letter-spacing:.16em}
.round-launch strong{font-family:Georgia,'Times New Roman',serif;font-size:clamp(27px,3vw,35px);line-height:1.08}
.round-launch small{margin-top:auto;color:var(--muted);font-size:14px;line-height:1.4}
.queue-guidance{margin:0 0 12px;color:var(--muted);line-height:1.5}
.queue-guidance strong{color:var(--gold-light)}
.queue-list{display:flex;gap:9px;flex-wrap:wrap}
.queue-chip{display:inline-flex;align-items:center;gap:5px;padding:8px 10px;border:1px solid var(--line);border-radius:999px;background:#21170f}
.chip-remove{padding:0 4px;border:0;background:none;color:#f1b7ae;font-size:22px;line-height:1;cursor:pointer}

/* Game / round workflow */
.game-control{scroll-margin-top:14px}
.game-control-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
.game-control-head h2{margin-bottom:4px}
.game-progress{height:10px;margin:10px 0 14px;border:1px solid #65503b;border-radius:999px;background:#090705;overflow:hidden}
.game-progress-bar{height:100%;background:var(--ok)}
.pairing-card{margin:12px 0;padding:14px;border:1px solid var(--line);border-radius:14px;background:#0f0b08}
.pairing-grid{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:10px;align-items:end}
.pairing-grid select{width:100%;min-height:48px;padding:10px;border:1px solid #65503b;border-radius:9px;background:#0b0907;color:var(--cream);font-size:16px}
.result-buttons{display:flex;gap:8px;flex-wrap:wrap}
.bulk-results{margin:14px 0 16px;padding:14px;border:1px solid #65503b;border-radius:12px;background:#0d0a08}
.bulk-results h4{margin:0 0 10px;color:var(--gold);font-size:18px}
.bulk-result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.bulk-result-grid label{display:flex;flex-direction:column;gap:5px;color:#e6dac8;font-size:14px;font-weight:700}
.bulk-result-grid select{min-height:46px;padding:9px;border:1px solid #65503b;border-radius:8px;background:#17110d;color:#fff;font-size:16px}
.results-update{width:100%;min-height:88px;margin-top:12px;font-size:clamp(21px,3vw,32px)}
.game-bottom-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:space-between}
.handicap-alert{margin:9px 0 3px;padding:9px 12px;border:2px solid #f0a33a;border-radius:10px;background:#5b3213;color:#fff4dc;font-weight:900;text-align:center}
.handicap-alert strong{color:#ffd37f}
.handicap-alert .handicap-rule{display:block;margin-top:3px;color:#ffe6b7;font-size:.8em;font-weight:700}
.handicap-board{border-color:#f0a33a!important;box-shadow:0 0 0 3px rgba(240,163,58,.15),var(--shadow)}
.level-tag{display:inline-block;margin-left:7px;padding:2px 7px;border:1px solid #7a6348;border-radius:999px;color:#d9c6a7;font-size:.55em;vertical-align:middle}
.early-finish{border-left-color:var(--blue)}

/* Tables, records, audit */
.table-wrap{overflow-x:auto;border-radius:12px}
table{width:100%;border-collapse:collapse;background:rgba(10,7,5,.4)}
th,td{padding:11px 10px;border-bottom:1px solid #3a2a1e;text-align:left;vertical-align:top}
th{color:var(--gold-light);font-size:14px;letter-spacing:.04em}
.rank-table{border:1px solid var(--line);font-size:clamp(18px,2.2vw,30px)}
.rank-table th,.rank-table td{padding:10px 14px}
.rank-table th:nth-child(n+3),.rank-table td:nth-child(n+3){text-align:center}
.rank-table tbody tr:first-child{background:rgba(199,154,74,.12)}
.audit-list{display:grid;gap:10px}
.audit-row{margin:0}
.audit-head{display:flex;align-items:center;justify-content:space-between;gap:14px}
.audit-head span{color:var(--muted);font-size:14px}
.audit-row pre{margin:10px 0 0;padding:10px;border-radius:8px;background:#0b0907;color:#d8cbb7;font-size:12px;white-space:pre-wrap;word-break:break-word}

/* Sponsor / presentation */
.sponsor-banner{display:flex;align-items:center;justify-content:center;gap:22px;margin:18px auto 24px;padding:16px 22px;max-width:1100px;border:1px solid var(--gold);border-radius:16px;background:linear-gradient(90deg,#17110d,#251a11,#17110d);box-shadow:var(--shadow)}
.sponsor-banner img{max-width:220px;max-height:110px;object-fit:contain}
.sponsor-copy{display:flex;flex-direction:column;gap:4px;text-align:center}
.sponsor-copy span,.sponsor-empty span{color:var(--muted);font-size:13px;letter-spacing:.12em;text-transform:uppercase}
.sponsor-copy strong,.sponsor-empty strong{font-family:Georgia,'Times New Roman',serif;font-size:clamp(24px,3vw,42px)}
.sponsor-logo-placeholder{display:flex;align-items:center;justify-content:center;width:220px;height:100px;border:1px dashed #7f684d;border-radius:12px;background:#0f0c09;color:var(--muted);font-size:12px;letter-spacing:.1em;text-transform:uppercase}
.sponsor-preview{max-width:260px;max-height:150px;padding:8px;border-radius:10px;background:#fff;object-fit:contain}
.tv-sponsor{max-width:1200px}
.tv-refresh-note{color:var(--muted);font-size:14px}

/* Check-in kiosk */
.checkin-page{min-height:100vh;background:radial-gradient(circle at 50% -10%,#372315 0,#130d09 42%,#070504 100%)}
.checkin-page .site-header{min-height:0;padding:18px 12px 4px;border-bottom:0;background:transparent}
.checkin-page .site-header img{width:min(260px,58vw);height:auto;max-width:260px;max-height:250px}
.checkin-shell{max-width:980px;padding-top:6px}
.checkin-kicker{margin:0!important;color:var(--gold)!important;font-size:12px!important;font-weight:900!important;letter-spacing:.18em!important;text-transform:uppercase}
.checkin-hero{padding-top:4px}
.checkin-actions{max-width:900px;margin:24px auto}
.checkin-button{min-height:170px;flex-direction:column;gap:8px}
.checkin-button span{font-size:clamp(36px,6vw,58px);line-height:1}
.checkin-button small{color:var(--muted);font-size:15px;letter-spacing:.04em}
.checkin-footnote{margin-top:24px;text-align:center;color:#7e6d5b;font-size:13px;letter-spacing:.08em}
.checkin-confirm{max-width:820px;margin:5vh auto;padding:clamp(28px,5vw,58px);border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,#21170f,#100c09);text-align:center;box-shadow:var(--shadow)}
.checkin-confirm-mark{display:flex;align-items:center;justify-content:center;width:86px;height:86px;margin:0 auto 20px;border:3px solid var(--ok);border-radius:50%;color:#a8d6ad;font-size:50px;font-weight:900}
.checkin-confirm .eyebrow{margin:0 0 10px;color:var(--gold);font-size:13px;font-weight:900;letter-spacing:.16em}
.checkin-confirm h1{margin:0 0 14px;font-family:Georgia,'Times New Roman',serif;font-size:clamp(36px,6vw,64px)}
.checkin-confirm>p:not(.eyebrow){color:var(--muted);font-size:18px}
.checkin-confirm .big-button{min-height:82px;margin:26px 0 12px}

/* Internal app home — same design system, no separate stylesheet */
.app-home-page{min-height:100vh;background:radial-gradient(circle at 50% 0,#2a1a0f 0,#100b07 42%,#080604 100%)}
.app-home-header{display:flex;align-items:center;gap:16px;width:min(1080px,94vw);margin:0 auto;padding:14px 0 10px;border-bottom:1px solid rgba(199,154,74,.28)}
.app-home-header>a{display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.app-home-header img{display:block;width:76px;height:76px;max-width:76px;max-height:76px;object-fit:contain}
.app-home-header>div{display:flex;flex-direction:column;gap:4px;min-width:0}
.app-home-header span{color:var(--gold);font-size:11px;font-weight:900;letter-spacing:.15em}
.app-home-header strong{font-family:Georgia,'Times New Roman',serif;font-size:clamp(23px,3vw,34px);line-height:1.05}
.app-home-shell{width:min(1080px,94vw);padding-top:16px}
.app-home-hero{text-align:left;padding:10px 0 20px}
.app-home-hero h1{margin:4px 0 9px;font-size:clamp(34px,5vw,54px)}
.app-home-hero p{margin:0;max-width:760px}
.app-home-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:8px 0 20px}
.app-home-card{display:flex;flex-direction:column;min-height:230px;padding:22px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,#21170f,#100b07);color:var(--cream);text-decoration:none;box-shadow:var(--shadow)}
.app-home-card.primary-card{border:2px solid var(--gold);background:linear-gradient(145deg,#2d2015,#130d08)}
.app-home-card>span{margin-bottom:9px;color:var(--gold);font-size:12px;font-weight:900;letter-spacing:.15em}
.app-home-card>strong{font-family:Georgia,'Times New Roman',serif;font-size:clamp(29px,4vw,41px);line-height:1.06}
.app-home-card>p{margin:14px 0 18px;color:#c5b7a1;font-size:16px;line-height:1.45}
.app-home-card>b{margin-top:auto;color:var(--gold-light);font-size:14px}
.app-home-utility{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.app-home-utility .button{min-height:58px}

/* TV helpers retained for internal ranking pages */
.tv{background:#090705;overflow:auto}
.tv-wrap{width:min(1500px,96vw);margin:0 auto;padding:12px;text-align:center}
.tv-logo{width:min(260px,28vw);max-height:180px;object-fit:contain}
.tv h1{margin:4px;font-family:Georgia,'Times New Roman',serif;font-size:clamp(34px,5vw,74px);color:var(--gold)}
.tv h2{margin:0 0 12px;color:var(--muted);font-size:clamp(18px,2vw,30px)}
.winner{max-width:900px;margin:10px auto 18px;padding:18px;border:3px solid var(--gold);border-radius:20px;background:#1c130c}
.winner span,.winner small{display:block;color:var(--gold);letter-spacing:2px;text-transform:uppercase}
.winner strong{display:block;margin:8px;font-family:Georgia,'Times New Roman',serif;font-size:clamp(48px,8vw,110px);line-height:1}

/* Responsive */
@media(max-width:820px){
  body{font-size:16px}
  .container{width:min(96vw,760px);padding-top:12px}
  .site-header{min-height:74px;padding:7px 10px}
  .site-header img{width:60px;height:60px;max-width:60px;max-height:60px}
  .hero{padding:8px 0 14px}
  .hero h1{font-size:38px}
  .hero p{font-size:16px}
  .app-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sub-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .admin-card-grid,.round-launch-grid,.host-tools-grid,.app-home-grid{grid-template-columns:1fr}
  .form-grid,.pairing-grid,.bulk-result-grid{grid-template-columns:1fr}
  .member-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .admin-session-callout{align-items:stretch;flex-direction:column}
  .admin-session-callout .button{width:100%}
  .game-control-head{flex-direction:column}
  .game-bottom-actions{flex-direction:column}
  .game-bottom-actions .button{width:100%}
  .app-home-utility{grid-template-columns:1fr}
  .app-home-header{gap:12px;padding:10px 0}
  .app-home-header img{width:62px;height:62px;max-width:62px;max-height:62px}
  .app-home-card{min-height:0}
  .checkin-page .site-header img{width:min(220px,58vw);max-width:220px;max-height:215px}
}

@media(max-width:520px){
  .container{width:94vw;padding-bottom:32px}
  .app-nav,.sub-nav{grid-template-columns:1fr 1fr;gap:7px;padding:8px}
  .app-nav .button,.sub-nav .button{min-height:48px;padding:8px;font-size:13px}
  .member-list{grid-template-columns:1fr}
  .member-button{min-height:78px;font-size:20px}
  .button-grid{grid-template-columns:1fr}
  .big-button{min-height:104px;font-size:31px}
  .panel{padding:16px;margin:13px 0}
  details.panel>summary{padding:16px;font-size:19px}
  details.panel>form,details.panel>div{margin-left:15px!important;margin-right:15px!important}
  .field input,.field select,.field textarea,.mod-select,.small-actions input,.small-actions select{font-size:17px}
  .small-actions{align-items:stretch;flex-direction:column}
  .small-actions .button,.small-actions .mod-select,.small-actions input,.small-actions select{width:100%}
  .admin-card{min-height:150px;padding:18px}
  .admin-card>strong{font-size:27px}
  .checkin-page .site-header{padding-top:12px}
  .checkin-page .site-header img{width:min(190px,56vw);max-width:190px;max-height:185px}
  .checkin-button{min-height:126px}
  .checkin-button span{font-size:40px}
  .app-home-header strong{font-size:22px}
  .app-home-hero h1{font-size:34px}
  .app-home-card>strong{font-size:30px}
  table{font-size:14px}
  th,td{padding:8px 6px}
}