/* ChessTrAIner — kid-friendly UI for a 10-year-old chess champion */
:root{
  --bg:#fff8e7;
  --bg2:#ffe9b3;
  --ink:#221a0b;
  --ink-soft:#4a3a1a;
  --accent:#e86a17;        /* warm pumpkin */
  --accent-dark:#b44a00;
  --accent2:#ffb84d;
  --royal:#3b4cca;         /* royal blue */
  --royal-dark:#2a38a0;
  --grass:#37b86b;
  --grass-dark:#1f8a47;
  --sunny:#ffd23f;
  --berry:#e63a8b;
  --grape:#8a4fff;
  --dark-square:#6b4a2b;
  --light-square:#f0d9b5;
  --good:#2e8a4f;
  --bad:#e23b3b;
  --warn:#d98200;
  --muted:#7a6a4a;
  --card:#ffffff;
  --border:#efdca8;
  --shadow:0 4px 14px rgba(60,30,0,.12);
  --shadow-lg:0 10px 28px rgba(60,30,0,.18);
  --radius:16px;
  --radius-lg:22px;
  --pill-1:#e86a17;
  --pill-2:#3b4cca;
  --pill-3:#8a4fff;
  --pill-4:#37b86b;
  --pill-5:#e63a8b;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);line-height:1.55;
  font-family:"Fredoka","Comic Neue","Helvetica Neue",Arial,sans-serif;
  font-weight:500;
  background-image:
    radial-gradient(circle at 10% 0%, #fff3cc 0%, transparent 35%),
    radial-gradient(circle at 90% 10%, #ffe4b8 0%, transparent 30%),
    radial-gradient(circle at 50% 100%, #fff0d4 0%, transparent 40%);
  background-attachment:fixed;
}
h1,h2,h3,h4{font-family:"Fredoka","Comic Neue",sans-serif;font-weight:700;letter-spacing:.2px;margin:.4em 0 .4em}
h1{font-size:34px;color:var(--ink)}
h2{font-size:24px;color:var(--ink)}
h3{font-size:19px;color:var(--ink-soft)}
a{color:var(--accent-dark);text-decoration:none;font-weight:600}
a:hover{text-decoration:underline}
code,pre{font-family:"SF Mono","Consolas",monospace;background:#fff3d1;border-radius:6px;padding:2px 6px;color:#6b3e20}
pre{padding:12px;overflow:auto;border:1px dashed var(--border)}
small{color:var(--muted)}

/* ---------- top bar ---------- */
.topbar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  padding:14px 28px;
  background:linear-gradient(120deg,#3b4cca 0%,#8a4fff 60%,#e63a8b 100%);
  color:#fff;box-shadow:var(--shadow);
  position:sticky;top:0;z-index:50;
}
.topbar.plain{background:linear-gradient(120deg,#e86a17 0%,#ffb84d 100%)}
.topbar a{color:#fff;text-shadow:0 1px 0 rgba(0,0,0,.25)}
.brand{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.brand .logo{font-size:36px;line-height:1}
.brand a{font-weight:800;font-size:22px}
.brand .tagline{color:#fff4cf;font-size:14px;margin-left:6px;font-weight:600}
.brand .hi{background:rgba(255,255,255,.18);padding:3px 12px;border-radius:999px;font-size:13px;font-weight:700;margin-left:8px}

.mainnav{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.mainnav a{
  font-size:14px;font-weight:700;padding:8px 12px;border-radius:999px;
  background:rgba(255,255,255,.12);transition:transform .1s, background .1s;
}
.mainnav a:hover{background:rgba(255,255,255,.28);text-decoration:none;transform:translateY(-1px)}
.mainnav a.pill{background:var(--sunny);color:var(--ink)}
.mainnav a.pill:hover{background:#ffd85e}
.logout-form{margin:0}
.logout-btn{
  background:rgba(0,0,0,.25);color:#fff;border:0;padding:8px 14px;border-radius:999px;
  font-family:inherit;font-weight:700;cursor:pointer;font-size:14px;
}
.logout-btn:hover{background:rgba(0,0,0,.4)}

/* ---------- layout ---------- */
.container{max-width:1120px;margin:28px auto;padding:0 22px}
.container.narrow{max-width:520px}
footer{text-align:center;padding:28px;color:var(--muted);font-size:13px}

/* ---------- flash messages ---------- */
.flash-wrap{max-width:1120px;margin:16px auto 0;padding:0 22px;display:flex;flex-direction:column;gap:8px}
.flash{padding:12px 16px;border-radius:12px;font-weight:600;box-shadow:var(--shadow)}
.flash-success{background:#dff5e5;border:2px solid var(--grass);color:var(--grass-dark)}
.flash-error,.flash-danger{background:#ffe1e1;border:2px solid var(--bad);color:#922222}
.flash-info{background:#e2e9ff;border:2px solid var(--royal);color:var(--royal-dark)}
.flash-warn,.flash-warning{background:#fff1cc;border:2px solid var(--warn);color:#8a5b00}

/* ---------- hero + sections ---------- */
.hero h1{font-size:30px;margin:4px 0 6px}
.subtitle{color:var(--muted);margin-top:0;font-weight:500}

.hero-kids{
  background:linear-gradient(135deg,#fff2c4,#ffd6a5);
  border-radius:var(--radius-lg);
  padding:24px 28px;
  box-shadow:var(--shadow);
  border:3px solid var(--sunny);
  position:relative;overflow:hidden;
  margin-bottom:20px;
}
.hero-kids::after{
  content:"♞";position:absolute;right:24px;top:-18px;font-size:120px;
  color:rgba(59,76,202,.1);pointer-events:none;
}
.hero-title h1{margin:0 0 6px}

/* XP bar */
.xp-bar{
  background:#fff;border:2px solid var(--sunny);border-radius:999px;height:20px;
  overflow:hidden;margin-top:10px;box-shadow:inset 0 2px 4px rgba(0,0,0,.08);
}
.xp-fill{
  height:100%;
  background:linear-gradient(90deg,var(--grass),#7cd99c);
  border-radius:999px;
  transition:width .4s ease;
  box-shadow:inset 0 -2px 4px rgba(0,0,0,.1);
}

/* ---------- banners ---------- */
.banner{padding:14px 18px;border-radius:12px;margin:14px 0;border:2px solid transparent;font-weight:600}
.banner-warn{background:#fff3cd;border-color:#e7c066;color:#7a5d00}
.banner-info{background:#e3f0ff;border-color:#85b4e5;color:#1e4d80}
.banner-success{background:#dff5e5;border-color:#7ad09c;color:var(--grass-dark)}

/* ---------- pills ---------- */
.pill{display:inline-block;background:var(--accent);color:#fff;padding:3px 12px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.3px}
.pill-1{background:var(--pill-1)}
.pill-2{background:var(--pill-2)}
.pill-3{background:var(--pill-3)}
.pill-4{background:var(--pill-4)}
.pill-5{background:var(--pill-5)}
.chip{display:inline-block;padding:5px 14px;border-radius:999px;font-weight:700;font-size:13px}
.chip-done{background:#dff5e5;color:var(--grass-dark);border:2px solid var(--grass)}
.chip-open{background:#fff3cd;color:#7a5d00;border:2px solid var(--warn)}

/* ---------- big buttons ---------- */
.btn{
  display:inline-block;background:var(--accent);color:#fff;padding:10px 18px;
  border-radius:12px;border:0;cursor:pointer;font-size:15px;font-weight:700;
  font-family:inherit;box-shadow:0 3px 0 rgba(0,0,0,.18);
  transition:transform .08s, box-shadow .08s, background .1s;
}
.btn:hover{background:var(--accent-dark);text-decoration:none;transform:translateY(-1px);box-shadow:0 4px 0 rgba(0,0,0,.22)}
.btn:active{transform:translateY(1px);box-shadow:0 1px 0 rgba(0,0,0,.18)}
.btn-primary{background:var(--royal)}
.btn-primary:hover{background:var(--royal-dark)}
.btn-secondary{background:#fff;color:var(--ink);border:2px solid var(--border)}
.btn-secondary:hover{background:#f9edc8}
.btn.small{padding:6px 12px;font-size:13px}

.btn-big{
  display:inline-block;padding:14px 26px;border-radius:16px;font-size:18px;font-weight:800;
  font-family:inherit;cursor:pointer;border:0;text-decoration:none;
  background:var(--accent);color:#fff;box-shadow:0 5px 0 rgba(0,0,0,.2);
  transition:transform .08s, box-shadow .08s;
}
.btn-big:hover{transform:translateY(-1px);box-shadow:0 6px 0 rgba(0,0,0,.25);text-decoration:none}
.btn-big:active{transform:translateY(3px);box-shadow:0 2px 0 rgba(0,0,0,.2)}
.btn-big.btn-primary{background:var(--royal)}
.btn-big.btn-secondary{background:#fff;color:var(--ink);border:2px solid var(--border);box-shadow:0 5px 0 var(--border)}
.btn-big.btn-play{background:linear-gradient(135deg,var(--grass),#5fd98a);font-size:20px}
.btn-big.btn-play:hover{background:linear-gradient(135deg,var(--grass-dark),var(--grass))}
.full{width:100%;display:block;text-align:center}

/* ---------- cards ---------- */
.card-big{
  background:var(--card);border-radius:var(--radius-lg);padding:22px 24px;
  box-shadow:var(--shadow);border:2px solid var(--border);margin:18px 0;
}
.daily-battle{
  background:linear-gradient(135deg,#ffe9b3 0%, #fff 70%);
  border:3px solid var(--sunny);
}
.battle-header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.battle-header h2{margin:0}

/* ---------- kid agent grid ---------- */
.agent-grid-kids{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:22px 0;
}
.kid-card{
  display:block;background:var(--card);border-radius:var(--radius-lg);
  padding:18px 18px 20px;box-shadow:var(--shadow);
  color:var(--ink);border:3px solid transparent;
  transition:transform .12s, box-shadow .12s;
  position:relative;overflow:hidden;
}
.kid-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);text-decoration:none}
.kid-card .emoji{font-size:42px;line-height:1;margin-bottom:8px}
.kid-card h3{margin:0 0 6px;font-size:19px}
.kid-card p{margin:0;color:var(--ink-soft);font-size:14px;font-weight:500}
.kid-1{background:linear-gradient(135deg,#fff0d9,#ffd6a5);border-color:var(--accent2)}
.kid-2{background:linear-gradient(135deg,#e2e9ff,#c9d5ff);border-color:var(--royal)}
.kid-3{background:linear-gradient(135deg,#f3e7ff,#dcc8ff);border-color:var(--grape)}
.kid-4{background:linear-gradient(135deg,#dff5e5,#b9ecc9);border-color:var(--grass)}
.kid-5{background:linear-gradient(135deg,#ffe0ef,#ffc1da);border-color:var(--berry)}

/* legacy agent grid - still used by some pages */
.agent-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:20px 0}
.agent-card{display:block;background:var(--card);border:2px solid var(--border);border-radius:14px;padding:16px;box-shadow:var(--shadow);color:inherit;transition:transform .12s}
.agent-card:hover{transform:translateY(-2px);text-decoration:none}
.agent-card h3{margin:0 0 6px;font-size:17px}
.agent-card p{margin:0;color:var(--muted);font-size:14px}

/* ---------- training path ---------- */
.current-focus{margin-top:22px}
.focus-card{background:var(--card);border:2px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}

.path{list-style:none;padding:0;margin:10px 0}
.path.big li{padding:12px 14px}
.path-item{
  background:var(--card);border:2px solid var(--border);border-radius:14px;
  padding:10px 14px;margin-bottom:10px;display:flex;justify-content:space-between;
  align-items:center;gap:10px;
}
.path-item a{font-weight:700}
.path-item.done{background:#e8f8ee;border-color:var(--grass)}
.path-item.current{border-color:var(--accent);background:#fff4e0;box-shadow:0 0 0 3px #e86a1744}
.path-meta{color:var(--muted);font-size:13px;font-weight:600}
.path-main{display:flex;align-items:center;gap:10px}
.kind-tag{color:#fff;font-size:11px;padding:3px 10px;background:var(--royal);border-radius:99px;font-weight:700;text-transform:uppercase;letter-spacing:.3px}

/* ---------- columns ---------- */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media (max-width:720px){.two-col{grid-template-columns:1fr}}

.stat-list{list-style:none;padding:0}
.stat-list li{padding:6px 0;border-bottom:1px dashed var(--border)}

/* ---------- tables ---------- */
.data-table{width:100%;border-collapse:collapse;margin:8px 0 18px;background:var(--card);border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.data-table th,.data-table td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left}
.data-table th{background:#fff3cd;font-weight:700}
.data-table .win{color:var(--good);font-weight:800}
.data-table .loss{color:var(--bad);font-weight:800}
.data-table .draw{color:var(--muted);font-weight:800}
.muted{color:var(--muted)}

/* ---------- ladder ---------- */
.ladder{list-style:none;padding:0}
.ladder li{padding:8px 12px;border-left:4px solid var(--border);margin-bottom:6px;background:var(--card);border-radius:6px}
.ladder li.current{border-left-color:var(--accent);background:#fff3df;font-weight:700}

/* ---------- forms ---------- */
.form-card{
  background:var(--card);border:2px solid var(--border);border-radius:var(--radius);
  padding:22px;max-width:520px;box-shadow:var(--shadow);
}
.form-card label{display:block;margin-bottom:14px;font-weight:700;color:var(--ink-soft)}
.form-card input,.form-card select{
  width:100%;padding:11px 14px;font-size:16px;font-family:inherit;
  border:2px solid var(--border);border-radius:12px;margin-top:6px;font-weight:500;
  background:#fffdf2;transition:border-color .15s, box-shadow .15s;
}
.form-card input:focus,.form-card select:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px #e86a1733;background:#fff}
.form-card .hint{display:block;margin-top:4px;color:var(--muted);font-weight:500;font-size:12px}
.form-card .readonly{color:var(--muted);margin:10px 0}
.form-inline{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:8px 0 16px}
.form-inline input,.form-inline select{padding:8px 12px;border:2px solid var(--border);border-radius:10px;font-size:14px;font-family:inherit;background:#fffdf2}

/* ---------- auth cards ---------- */
.auth-card{
  background:var(--card);border-radius:var(--radius-lg);padding:30px 28px;
  box-shadow:var(--shadow-lg);border:3px solid var(--sunny);
  margin:30px auto;text-align:center;
}
.auth-card h1{margin:6px 0 4px}
.auth-card .subtitle{text-align:center;margin-bottom:20px}
.auth-card form{text-align:left}
.auth-mascot{font-size:64px;line-height:1;margin-bottom:6px}
.qr-wrap{
  display:flex;justify-content:center;margin:18px 0;
  background:#fff;padding:14px;border-radius:12px;border:2px solid var(--border);
}
.qr-wrap img{max-width:240px;height:auto}
.center{text-align:center}

/* ---------- battle panel (Daily Battle vs Stockfish) ---------- */
.battle-panel{background:var(--card);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow);border:3px solid var(--sunny);margin-top:18px}
.battle-board-wrap{display:grid;grid-template-columns:minmax(320px,480px) 1fr;gap:22px;align-items:flex-start}
@media (max-width:820px){.battle-board-wrap{grid-template-columns:1fr}}
#battle-board{width:100%;max-width:480px;aspect-ratio:1/1}
.battle-hud{background:#fff9e6;border:2px solid var(--border);border-radius:14px;padding:14px 16px}
.battle-hud p{margin:4px 0}
.battle-status{font-weight:700;font-size:17px;color:var(--royal);padding:10px 0;border-top:1px dashed var(--border);border-bottom:1px dashed var(--border);margin:10px 0}
.battle-moves{min-height:80px;max-height:180px;overflow:auto;background:#fff;border:1px solid var(--border);border-radius:10px;padding:8px;font-family:"SF Mono","Consolas",monospace;font-size:13px;margin-bottom:10px}
.battle-moves .mv{display:inline-block;margin:0 2px}

/* ---------- lesson pages ---------- */
.lesson-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:18px 0}
@media (max-width:800px){.lesson-grid{grid-template-columns:1fr}}
.lesson-card{background:var(--card);border:2px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.white-side{border-top:6px solid var(--sunny)}
.black-side{border-top:6px solid #2a2a2a}
.case-study,.videos,.win-themes,.interactive-board,.progress-bar,.legend-games,.agent1-assessment{
  background:var(--card);border:2px solid var(--border);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow);margin-bottom:18px;
}
.fun-fact{color:var(--accent-dark);font-weight:600;background:#fff3cd;padding:8px 12px;border-radius:10px;border-left:4px solid var(--accent)}

.board-wrap{display:flex;gap:20px;align-items:flex-start;flex-wrap:wrap}
.board-controls{display:flex;flex-direction:column;gap:8px}

/* legend games (Agent 2 — real games of chess legends) */
.legend-card{background:#fff9e6;border:2px solid var(--border);border-radius:14px;padding:14px;margin:10px 0}
.legend-card h4{margin:0 0 6px;color:var(--royal-dark)}
.legend-card .notice{font-style:italic;color:var(--ink-soft);background:#fff;border-left:4px solid var(--grape);padding:6px 10px;border-radius:6px;margin:8px 0}
.legend-card .pgn{font-family:"SF Mono","Consolas",monospace;font-size:12px;white-space:pre-wrap;background:#fff;border-radius:8px;padding:8px;max-height:140px;overflow:auto;border:1px dashed var(--border)}
.legend-bio{font-size:13px;color:var(--ink-soft);margin-top:6px}

/* ---------- puzzle cards ---------- */
.puzzle-card{background:var(--card);border:2px solid var(--border);border-radius:14px;padding:16px;margin-bottom:18px;box-shadow:var(--shadow)}
.puzzle-board{width:320px;max-width:100%;margin:8px 0}
.theme{color:var(--accent-dark);font-weight:800;font-size:14px;text-transform:uppercase;letter-spacing:.3px}
.status{font-weight:700;font-size:15px;margin:6px 0}
.status.correct{color:var(--good)}
.status.wrong{color:var(--bad)}
.puzzle-actions{display:flex;gap:8px;margin-top:6px;flex-wrap:wrap}

/* ---------- report card (Agent 4) ---------- */
.big-grade{
  font-size:72px;font-weight:800;width:120px;height:120px;
  display:flex;align-items:center;justify-content:center;
  border-radius:20px;color:#fff;margin-right:22px;
  box-shadow:0 6px 0 rgba(0,0,0,.15);
  font-family:"Fredoka",sans-serif;
}
.grade-A{background:linear-gradient(135deg,#2e8a4f,#5fd98a)}
.grade-B{background:linear-gradient(135deg,#5d9d2e,#a8d95f)}
.grade-C{background:linear-gradient(135deg,#d98200,#ffd23f)}
.grade-D{background:linear-gradient(135deg,#c25223,#ff9c6b)}
.grade-F{background:linear-gradient(135deg,#b23b3b,#ff7373)}
.grade-hero{display:flex;align-items:center;background:var(--card);border:2px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);margin-bottom:18px;flex-wrap:wrap;gap:14px}
.coach-notes{list-style:none;padding:0}
.coach-notes li{padding:8px 10px;border-bottom:1px dashed var(--border);font-weight:500}
.focus-next{font-size:18px;font-weight:700;color:var(--accent-dark);background:#fff3cd;padding:10px 14px;border-radius:12px;border-left:5px solid var(--accent)}

/* ---------- back link ---------- */
.back{color:var(--muted);font-size:13px;font-weight:600;display:inline-block;margin-bottom:10px}
.back:hover{color:var(--accent-dark)}

/* ---------- mascot ---------- */
.mascot{
  position:fixed;right:22px;bottom:22px;z-index:40;
  display:flex;align-items:flex-end;gap:8px;
  animation:bounce 3s ease-in-out infinite;
}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.mascot-bubble{
  background:#fff;border:3px solid var(--accent);border-radius:16px;
  padding:10px 14px;font-weight:700;color:var(--ink);max-width:220px;font-size:14px;
  box-shadow:var(--shadow);position:relative;
}
.mascot-bubble::after{
  content:"";position:absolute;right:-12px;bottom:16px;
  border:10px solid transparent;border-left-color:var(--accent);
}
.mascot-piece{
  width:56px;height:56px;display:flex;align-items:center;justify-content:center;
  font-size:40px;background:linear-gradient(135deg,var(--royal),var(--grape));
  color:#fff;border-radius:50%;box-shadow:var(--shadow-lg);
  border:3px solid #fff;
}

/* ---------- intro.js overrides (kid-friendly tour) ---------- */
.introjs-tooltip{border-radius:16px;font-family:"Fredoka",sans-serif;padding:14px 18px;min-width:260px}
.introjs-tooltiptext{font-size:16px;line-height:1.45}
.introjs-button{border-radius:10px;font-family:inherit;font-weight:700;padding:8px 14px}
.introjs-skipbutton{font-size:22px}
.introjs-bullets ul li a.active{background:var(--accent)}

/* ---------- security / dev only ---------- */
.secnote{background:#fff3cd;border:2px dashed var(--warn);border-radius:10px;padding:10px 14px;color:#7a5d00;font-weight:600}

/* ---------- utility ---------- */
.hidden{display:none !important}
.gap{gap:10px}
.center{text-align:center}

/* ---------- admin dashboard ---------- */
.admin-pill{background:#2b2b3c;color:#fff}
.role{display:inline-block;padding:3px 10px;border-radius:999px;font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.05em}
.role-admin{background:#fde047;color:#422006}
.role-parent{background:#bfdbfe;color:#1e3a8a}
.role-student{background:#bbf7d0;color:#14532d}
.simple-table{width:100%;border-collapse:collapse;margin:14px 0}
.simple-table th,.simple-table td{border-bottom:1px solid #ececf5;padding:8px 10px;text-align:left;vertical-align:top}
.simple-table thead th{font-weight:700;color:#555}
.kv{display:grid;grid-template-columns:220px 1fr;gap:4px 18px;margin:0}
.kv dt{color:#555;font-weight:600}
.kv dd{margin:0}
.inline-form{display:inline-flex;align-items:center;gap:10px;margin:8px 12px 8px 0;flex-wrap:wrap}
.inline-form input,.inline-form select{padding:8px 10px;border:2px solid #ececf5;border-radius:10px;font-family:inherit}
.btn-sm{display:inline-block;padding:4px 10px;border-radius:10px;background:#ececf5;color:#333;text-decoration:none;font-weight:700;font-size:13px}
.btn-sm:hover{background:#dddde5}
.btn-danger{background:#fca5a5;color:#7f1d1d}
.btn-danger:hover{background:#f87171}
.mono-small{font-family:ui-monospace,Menlo,monospace;font-size:12px;max-width:360px;word-break:break-word}
.flat-list{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px}
.flat-list li{background:#f5f5fa;padding:6px 12px;border-radius:8px}
.code{background:#111827;color:#d1fae5;padding:10px;border-radius:8px;font-family:ui-monospace,Menlo,monospace;font-size:13px;white-space:pre-wrap;overflow:auto}
.small{font-size:13px}
hr.soft{border:0;border-top:1px dashed var(--border);margin:20px 0}