:root {
    --bg: #f5f7f8;
    --card: #ffffff;
    --text: #15352f;
    --muted: #5c726d;
    --line: #dde6e2;
    --brand: #0c7b5d;
    --brand-strong: #095f48;
    --brand-soft: #e8f6f1;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
}
a { color: var(--brand-strong); text-decoration: none; }
img { max-width: 100%; display: block; }
code { background: #eef4f2; padding: 2px 6px; border-radius: 8px; }
.shell { width: min(1200px, calc(100vw - 32px)); margin: 0 auto; }
.topbar { background: #0f2d26; color: white; position: sticky; top: 0; z-index: 20; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; gap: 16px; }
.brand { color: white; font-size: 1.2rem; font-weight: 800; letter-spacing: .02em; }
.nav { display: flex; gap: 18px; flex-wrap: wrap; }
.nav a, .topbar-links a { color: rgba(255,255,255,.9); }
.page { padding: 28px 0 56px; }
.footer { padding: 0 0 40px; color: var(--muted); }
.hero { display: grid; gap: 24px; padding: 32px; background: linear-gradient(135deg, #123c33, #1d6f59); color: white; border-radius: 28px; box-shadow: 0 20px 40px rgba(0,0,0,.08); }
.eyebrow { display: inline-flex; padding: 6px 12px; background: rgba(255,255,255,.14); border-radius: 999px; font-size: .86rem; margin-bottom: 12px; }
.hero h1, .section-header h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.06; margin: 0; }
.lead { font-size: 1.05rem; max-width: 72ch; color: rgba(255,255,255,.92); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.button {
    display: inline-flex; align-items: center; justify-content: center;
    min-height: 44px; padding: 0 18px; border-radius: 14px; border: 1px solid var(--line);
    background: white; color: var(--text); font-weight: 700; cursor: pointer;
}
.button-primary { background: var(--brand); color: white; border-color: var(--brand); }
.card {
    background: var(--card); border: 1px solid var(--line); border-radius: 24px;
    padding: 22px; box-shadow: 0 12px 32px rgba(20, 56, 47, .04);
}
.selected-card { border-color: #8ad1b5; box-shadow: 0 16px 34px rgba(12,123,93,.10); }
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stats-grid { margin: 20px 0; }
.stat-card { display: flex; flex-direction: column; gap: 6px; }
.stat-value { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; }
.stat-label, .muted { color: var(--muted); }
.feature-list { margin: 0; padding-left: 18px; display: grid; gap: 8px; }
.mini-stats { display: flex; gap: 22px; flex-wrap: wrap; }
.mini-stats.compact { gap: 14px; }
.mini-stats div { display: grid; gap: 4px; }
.mini-stats strong { font-size: 1.4rem; }
.section-header { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin: 10px 0 18px; }
.request-list, .stack, .leaderboard { display: grid; gap: 14px; }
.request-item { display: flex; justify-content: space-between; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.request-item:last-child { border-bottom: 0; padding-bottom: 0; }
.request-meta { display: grid; gap: 6px; text-align: right; color: var(--muted); }
.filters { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr auto auto; gap: 12px; align-items: center; }
.short-filters { grid-template-columns: 1.4fr 1fr auto; }
input, select, textarea {
    width: 100%; border: 1px solid #cfdad6; background: #fff; color: var(--text);
    border-radius: 14px; min-height: 46px; padding: 10px 14px; font: inherit;
}
textarea { min-height: 110px; resize: vertical; }
.checkbox-inline { display: inline-flex; align-items: center; gap: 10px; min-height: 46px; }
.checkbox-inline input { width: auto; min-height: auto; }
.player-card { display: grid; grid-template-columns: 96px 1fr; gap: 18px; }
.avatar { width: 96px; height: 96px; object-fit: cover; border-radius: 22px; background: #eef4f2; }
.avatar.small { width: 52px; height: 52px; border-radius: 16px; }
.player-head, .championship-head { display: flex; justify-content: space-between; gap: 12px; align-items: start; }
.player-head h2, .championship-head h2 { margin: 6px 0 6px; font-size: 1.18rem; }
.pill { display: inline-flex; align-items: center; padding: 6px 10px; border-radius: 999px; background: #e8f6f1; color: var(--brand-strong); font-size: .9rem; font-weight: 700; }
.pill.subtle { background: #eef4f2; color: var(--muted); }
.player-meta, .championship-meta, .challenge-meta { display: flex; gap: 14px; flex-wrap: wrap; color: var(--muted); font-size: .95rem; }
.request-grid { display: grid; grid-template-columns: 90px 1fr; gap: 8px 12px; margin-top: 12px; }
.success { color: #0c7b5d; font-weight: 700; }
.align-right { justify-content: flex-end; }
.compact-grid { gap: 12px; }
.card-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.mini-season { padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.mini-season:last-child { padding-bottom: 0; border-bottom: 0; }
.leader-row {
    display: grid; grid-template-columns: 32px 52px 1fr auto; gap: 12px; align-items: center;
    padding: 10px 0; border-bottom: 1px solid var(--line);
}
.leader-row:last-child { border-bottom: 0; padding-bottom: 0; }
.leader-rank { font-size: 1.1rem; font-weight: 800; color: var(--brand); }
.leader-stats { display: grid; gap: 4px; justify-items: end; color: var(--muted); font-size: .95rem; }
.challenge-card { padding: 14px 0; border-bottom: 1px solid var(--line); }
.challenge-card:last-child { border-bottom: 0; padding-bottom: 0; }
.championship-layout { align-items: start; }
@media (max-width: 980px) {
    .grid-2, .grid-3, .filters, .short-filters { grid-template-columns: 1fr; }
    .stack-mobile, .championship-head, .player-head, .request-item, .topbar-inner { display: grid; }
    .request-meta, .leader-stats { text-align: left; justify-items: start; }
    .leader-row { grid-template-columns: 32px 52px 1fr; }
}

.merge-filters { grid-template-columns: 1fr 1fr 1.4fr auto; }
.merge-card { display: grid; gap: 18px; }
.merge-head { display: flex; justify-content: space-between; gap: 18px; align-items: start; }
.merge-head h2 { margin: 10px 0 8px; }
.merge-grid { display: grid; grid-template-columns: 1.3fr .9fr; gap: 18px; }
.merge-box { border: 1px solid var(--line); border-radius: 20px; padding: 18px; background: #fff; }
.compact-header { margin-bottom: 12px; }
.linked-summary { display: grid; gap: 8px; justify-items: end; text-align: right; }
.suggestion-row { display: grid; grid-template-columns: 52px 1fr auto; gap: 14px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); }
.suggestion-row:last-child { border-bottom: 0; padding-bottom: 0; }
.suggestion-actions { display: grid; gap: 10px; justify-items: end; }
.card-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.compact-actions { gap: 8px; }
.pagination-bar { display: flex; justify-content: space-between; align-items: center; }
.small-note { font-size: .92rem; }
@media (max-width: 920px) {
  .merge-grid, .merge-head, .pagination-bar { grid-template-columns: 1fr; display: grid; }
  .linked-summary, .suggestion-actions { justify-items: start; text-align: left; }
  .suggestion-row { grid-template-columns: 52px 1fr; }
  .suggestion-actions { grid-column: 1 / -1; }
  .merge-filters { grid-template-columns: 1fr; }
}

/* Legacy admin system messages on the modern home page: keep the old image/table sizing intact. */
.home-system-message{background:#fff;border:1px solid var(--line);border-radius:24px;padding:18px;overflow-x:auto}
.home-system-message .admin-html{display:table;width:auto;min-width:min(820px,100%);font-size:1.02rem}
.home-system-message .admin-html,.home-system-message .admin-html *{color:#173124 !important}
.home-system-message .admin-html img{max-width:none !important;border-radius:0 !important;display:inline !important;vertical-align:baseline;border:0 !important}
.home-system-message .admin-html table{width:auto !important;max-width:none !important;border-collapse:collapse !important}
.home-system-message .admin-html td,.home-system-message .admin-html th{padding:0 !important;border:0 !important;vertical-align:top !important;text-align:left !important;background:transparent !important}

/* Compact home signup block under the admin system message. */
.home-signup-card{margin-top:0;box-shadow:none}
.signup-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.signup-header h2{margin:0;color:#173124}
.signup-actions{margin-bottom:12px}
.inline-signup-form{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.signup-name-list{margin:0;padding-left:22px;display:grid;gap:6px;color:#173124;font-weight:750}
.signup-name-list li{padding:2px 0}
.signup-name-list li::marker{color:#0b6b3b;font-weight:900}
.inline-delete-form{display:inline;margin-left:8px}
.inline-delete-form button{border:0;background:transparent;color:#b42318;cursor:pointer;font:inherit;font-size:.88rem;text-decoration:underline;padding:0}
.manual-signup-form{border-top:1px solid var(--line);margin-top:14px;padding-top:14px;display:grid;gap:8px}
.manual-signup-form>div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:end}
@media(max-width:820px){.manual-signup-form>div{grid-template-columns:1fr}.inline-signup-form .button{width:100%}}

/* Home tournament history and modern legacy board shell. */
.history-card,.home-board-section{overflow:hidden}
.history-eyebrow,.board-eyebrow{background:var(--brand-soft);color:var(--brand-strong);margin-bottom:8px}
.history-full-link,.board-legacy-link{border-color:#b7dccc!important;color:var(--brand-strong)!important;background:#fff!important}
.history-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:4px 0 18px}
.history-stat{padding:16px;border:1px solid #cfe5dc;border-radius:20px;background:linear-gradient(180deg,#f7fffb,#fff)}
.history-stat strong{display:block;font-size:1.55rem;color:var(--brand-strong)}
.history-stat span{color:var(--muted);font-size:.92rem}
.history-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(230px,.75fr) minmax(230px,.75fr);gap:14px;align-items:start}
.history-panel{border:1px solid #d6e8df;border-radius:22px;background:#fff;padding:16px;box-shadow:0 10px 26px rgba(12,123,93,.05)}
.history-panel h3{margin:0 0 12px;color:#173124}
.history-winner-list{display:grid;gap:8px}
.history-winner-row{display:grid;grid-template-columns:92px 42px minmax(0,1fr);gap:10px;align-items:center;padding:10px;border:1px solid #e2eee9;border-radius:16px;background:#fbfefc;color:#173124}
.history-winner-row:hover{border-color:#9bd4bc;box-shadow:0 10px 22px rgba(12,123,93,.08)}
.history-date{font-weight:850;color:var(--brand-strong);font-size:.92rem}
.history-main{display:grid;gap:2px;min-width:0}
.history-main strong,.history-main small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.history-main small{color:var(--muted);font-size:.86rem}
.history-rank-list{margin:0;padding:0;list-style:none;display:grid;gap:8px;counter-reset:historyRank}
.history-rank-list li{counter-increment:historyRank;display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:10px;align-items:center;padding:10px;border-radius:15px;background:#f7fffb;border:1px solid #e0eee8}
.history-rank-list li::before{content:counter(historyRank);width:24px;height:24px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--brand);color:#fff;font-weight:900;font-size:.78rem}
.history-rank-list.silver li::before{background:#78938a}
.history-rank-list span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:750}
.history-rank-list strong{color:var(--brand-strong);font-size:1rem}
.home-board-stack{display:grid;gap:18px}
.home-board-card{border:1px solid #cfe5dc;border-radius:26px;background:linear-gradient(180deg,#f5fff9,#fff);padding:14px;box-shadow:0 16px 38px rgba(12,123,93,.08)}
.home-board-card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;padding:4px 4px 14px}
.home-board-card-head h3{margin:8px 0 0;color:#173124;font-size:1.15rem}
.home-board-embed{border:1px solid #d7e8df;border-radius:22px;overflow:auto;background:#fff;padding:14px}
.home-board-embed>*{max-width:none!important}
.home-board-embed table{width:auto!important;max-width:none!important;table-layout:auto!important;margin-left:0!important;margin-right:auto!important;border-collapse:separate!important;border-spacing:0!important;background:#fff!important}
.home-board-embed table[width="100%"]{width:auto!important}
.home-board-embed td,.home-board-embed th{white-space:normal;border-color:#dcebe4!important;color:#173124!important}
.home-board-embed img{max-width:none!important;height:auto}
.modern-board-skin table{border-radius:16px;overflow:hidden;border:1px solid #dcebe4!important}
.modern-board-skin tr:first-child td,.modern-board-skin tr:first-child th{background:#e8f6f1!important;color:#173124!important;font-weight:850}
.modern-board-skin td[bgcolor="#D4AF37"],.modern-board-skin tr[bgcolor="#D4AF37"] td{background:#edf8f1!important}
.modern-board-skin td[bgcolor="#C0C0C0"],.modern-board-skin tr[bgcolor="#C0C0C0"] td{background:#f3f7f5!important}
.modern-board-skin a{color:var(--brand-strong)!important;font-weight:750}
@media(max-width:980px){.history-grid,.history-stats{grid-template-columns:1fr}.home-board-card-head{display:grid}.history-winner-row{grid-template-columns:1fr 42px minmax(0,1fr)}.history-date{grid-column:1/-1}}

.modern-profile-card{display:grid;gap:22px}.modern-profile-hero{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center}.profile-avatar{width:128px;height:128px;border-radius:28px;object-fit:cover;background:#eef4f2;border:1px solid var(--line)}.profile-about{padding:18px;border-radius:22px;background:#f6fbf8;border:1px solid #dcebe2}.profile-about h3{margin-top:0}.profile-detail-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.profile-detail-grid div{padding:14px;border:1px solid var(--line);border-radius:18px;background:#fff}.profile-detail-grid span{display:block;color:var(--muted);font-size:.86rem;margin-bottom:5px}.profile-detail-grid strong{color:var(--text);font-weight:850}.message-card{display:grid;gap:20px}.message-recipient{display:flex;gap:14px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:20px;background:#f6fbf8}.message-recipient h2{margin:2px 0}.modern-message-form{display:grid;gap:12px}.modern-message-form button{justify-self:start}@media(max-width:820px){.modern-profile-hero{grid-template-columns:1fr}.profile-detail-grid{grid-template-columns:1fr}.profile-avatar{width:104px;height:104px}}

/* Modern challenge workflow */
.inline-challenge-form{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:0}
.inline-challenge-form .button,.challenge-preference-form .button,.result-report-form .button{min-height:38px;border-radius:999px}
.light-button{background:#fff!important;color:var(--brand-strong)!important;border-color:#b7dccc!important}
.challenge-page{display:grid;gap:18px}
.challenge-summary-card{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;border:1px solid #cfe5dc;border-radius:22px;padding:16px;background:linear-gradient(180deg,#f7fffb,#fff)}
.challenge-summary-card h2{margin:8px 0 8px;color:#173124}
.challenge-preference-form{display:grid;gap:10px;justify-items:start;min-width:220px}
.challenge-section{display:grid;gap:12px}
.challenge-section h2{margin:0;color:#173124}
.challenge-list{display:grid;gap:12px}
.modern-challenge-card,.home-challenge-row,.challenge-opponent-row{border:1px solid #d6e8df;border-radius:20px;background:#fff;padding:14px;box-shadow:0 10px 26px rgba(12,123,93,.04)}
.modern-challenge-card header{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:8px}
.challenge-meta{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:.92rem}
.challenge-actions-block{display:grid;gap:12px;margin-top:12px}
.challenge-status{white-space:nowrap}
.status-pending{background:#fff7ed!important;color:#9a3412!important}
.status-accepted{background:#ecfdf3!important;color:#05603a!important}
.status-awaiting_result{background:#eff6ff!important;color:#1d4ed8!important}
.status-declined,.status-cancelled{background:#f3f4f6!important;color:#4b5563!important}
.status-completed{background:#e8f6f1!important;color:var(--brand-strong)!important}
.result-report-form{display:grid;grid-template-columns:160px minmax(160px,1fr);gap:10px;align-items:center;padding:12px;border:1px dashed #bdd8c8;border-radius:16px;background:#f8fffb}
.result-report-form button{grid-column:2;justify-self:start}
.challenge-opponent-row{display:grid;grid-template-columns:auto auto minmax(0,1fr) auto;gap:12px;align-items:center}
.home-challenge-list{display:grid;gap:10px}
.home-challenge-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.challenge-eyebrow{background:var(--brand-soft);color:var(--brand-strong);margin-bottom:8px}
@media(max-width:820px){.challenge-summary-card,.modern-challenge-card header,.home-challenge-row{display:grid}.challenge-opponent-row{grid-template-columns:auto auto 1fr}.challenge-opponent-row form{grid-column:1/-1}.result-report-form{grid-template-columns:1fr}.result-report-form button{grid-column:1}.challenge-preference-form{min-width:0}}

/* Modern profile edit */
.profile-edit-form{display:grid;gap:22px}.profile-edit-grid{display:grid;gap:18px}.form-section{padding:18px;border:1px solid var(--line);border-radius:22px;background:#f8fcfa}.form-section.wide{grid-column:1/-1}.form-section h2{margin:0 0 14px}.radio-blocks{margin-top:14px}.radio-blocks fieldset{border:1px solid var(--line);border-radius:18px;background:#fff;padding:14px}.radio-blocks legend{font-weight:850;color:var(--text);padding:0 6px}.radio-blocks label{display:inline-flex;align-items:center;gap:8px;margin-right:16px;font-weight:700}.radio-blocks input[type="radio"]{width:auto}.birthday-row{display:grid;grid-template-columns:repeat(3,minmax(0,140px));gap:12px;margin-bottom:14px}.profile-edit-actions{margin-top:0}.profile-edit-actions .profile-edit-cancel{background:#fff!important;color:var(--brand2)!important;border-color:var(--line)!important}@media(max-width:820px){.birthday-row{grid-template-columns:1fr}.radio-blocks label{display:flex;margin:8px 0}.profile-edit-form .grid-2,.profile-edit-form .grid-3{grid-template-columns:1fr}}

/* Mobile header/login compacting */
.header-login-wrap{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}
.header-login-wrap>.legacy-header-link,.mobile-login-toggle summary{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:9px 13px;text-decoration:none;font-weight:750;border:1px solid rgba(255,255,255,.42);min-height:40px;color:#fff!important;background:transparent;cursor:pointer;line-height:1}
.mobile-login-toggle{display:none;position:relative}
.mobile-login-toggle summary{list-style:none;user-select:none}
.mobile-login-toggle summary::-webkit-details-marker{display:none}
.mobile-login-toggle[open] summary{background:#fff;color:var(--brand2)!important;border-color:#fff}
.mobile-login-form{position:absolute;right:0;top:calc(100% + 10px);width:min(86vw,320px);padding:12px;border:1px solid rgba(11,107,59,.18);border-radius:20px;background:#fff;box-shadow:0 18px 44px rgba(5,41,22,.22);z-index:60;display:grid;gap:10px}
.mobile-login-form input,.mobile-login-form button{width:100%}
.mobile-login-form button{border:0;border-radius:999px;min-height:42px;font-weight:850;background:var(--brand);color:#fff!important;cursor:pointer}
@media(max-width:820px){
  .shell{padding-left:12px;padding-right:12px}
  .page{padding-top:14px}
  .topbar-row1{gap:10px;padding:8px 0;min-height:0}
  .brand-logo{width:min(54vw,190px)!important}
  .nav{gap:6px;overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px;-webkit-overflow-scrolling:touch}
  .nav a{white-space:nowrap;padding:8px 11px;min-height:36px;font-size:.92rem}
  .header-right{width:100%}
  .header-login-wrap{width:100%;justify-content:flex-start;gap:8px}
  .desktop-login{display:none!important}
  .mobile-login-toggle{display:block}
  .mobile-login-toggle summary,.header-login-wrap>.legacy-header-link{min-height:36px;padding:8px 12px;font-size:.92rem}
  .header-login-wrap>.legacy-header-link{width:auto!important}
  .hero{padding:18px;border-radius:22px;margin-bottom:16px}
  .card,.panel,.notice,.table-wrap{border-radius:22px}
}

/* Login button modernization */
.header-login button,.mobile-login-toggle summary{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  min-height:40px;padding:9px 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.72)!important;
  background:linear-gradient(135deg,#ffffff 0%,#e9fff2 52%,#d6f5e4 100%)!important;
  color:#064e2f!important;font-weight:900;letter-spacing:.01em;
  box-shadow:0 10px 24px rgba(5,41,22,.20),inset 0 1px 0 rgba(255,255,255,.95);
  cursor:pointer;line-height:1;text-decoration:none;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease;
}
.header-login button::after,.mobile-login-toggle summary::after{content:'›';font-size:1.2em;line-height:.8;margin-left:1px}
.header-login button:hover,.mobile-login-toggle summary:hover{
  transform:translateY(-1px);
  box-shadow:0 14px 30px rgba(5,41,22,.24),inset 0 1px 0 rgba(255,255,255,1);
  background:linear-gradient(135deg,#ffffff 0%,#f0fff6 44%,#c9f2db 100%)!important;
}
.header-login button:active,.mobile-login-toggle summary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(5,41,22,.18)}
.mobile-login-toggle[open] summary{background:linear-gradient(135deg,#ffffff 0%,#e9fff2 52%,#d6f5e4 100%)!important;color:#064e2f!important;border-color:rgba(255,255,255,.82)!important}
.mobile-login-form button{min-height:44px;padding:10px 16px}
@media(max-width:820px){
  .mobile-login-toggle summary,.header-login-wrap>.legacy-header-link{min-height:38px;padding:8px 13px;font-size:.93rem}
}