/* shared by the login page, the balls and the admin page */
:root{--bg:#f4f8fd;--card:#ffffff;--ink:#16181D;--ink2:#4A505A;--line:#D5D9DF;--blue:#0068B4;
  --ok:#1FA34A;--ok-t:#E3F2E8;--bad:#E0262D;--bad-t:#FBE4E5;--late:#E8710A;
  --ui:'Assistant',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;--num:'Rubik','Assistant',system-ui,sans-serif;color-scheme:light}
[hidden]{display:none!important}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--ui);font-size:16px;direction:rtl;-webkit-tap-highlight-color:transparent}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
button:focus-visible,input:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.btn{min-height:52px;padding:0 24px;border-radius:14px;border:0;background:var(--blue);color:#fff;font-weight:800;font-size:18px}
.btn.ghost{background:var(--card);color:var(--ink);border:1.5px solid var(--line)}
.btn.danger{background:var(--card);color:#C0262D;border:1.5px solid #f1bcbf}
.btn:disabled{opacity:.5}
.pill{display:inline-flex;align-items:baseline;gap:6px;padding:6px 12px;border-radius:999px;background:var(--card);border:1px solid var(--line);font-weight:700;font-size:15px;white-space:nowrap}
.pill b{font-family:var(--num);font-size:18px}
.pill.ok{background:var(--ok-t);border-color:#b5dcc2;color:#1B7A3E}
.pill.bad{background:var(--bad-t);border-color:#f1bcbf;color:#C0262D}

/* ---- the balls ---- */
body.balls{overflow:hidden;overscroll-behavior:none;-webkit-user-select:none;user-select:none}
#cv{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:none}
#top{position:fixed;top:0;left:0;right:0;z-index:2;display:flex;align-items:center;gap:8px;pointer-events:none;
  padding:calc(10px + env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) 0 max(16px,env(safe-area-inset-left,0px))}
#mid{flex:1;display:flex;justify-content:center;align-items:center;gap:8px;min-width:0}
#undo{pointer-events:auto;width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line);background:var(--card);font-size:20px;padding:0}
#undo:disabled{opacity:.4}
#info{position:fixed;z-index:2;top:calc(60px + env(safe-area-inset-top,0px));left:50%;transform:translateX(-50%);max-width:calc(100% - 32px);min-height:36px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line);background:var(--card);font-weight:700;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#net{position:fixed;z-index:3;bottom:calc(14px + env(safe-area-inset-bottom,0px));left:50%;transform:translateX(-50%);padding:8px 16px;border-radius:999px;background:var(--bad);color:#fff;font-weight:700;font-size:14.5px;white-space:nowrap}
#done{position:fixed;inset:0;z-index:4;display:flex;flex-direction:column;align-items:center;gap:12px;background:var(--bg);text-align:center;overflow-y:auto;-webkit-overflow-scrolling:touch;
  padding:calc(22px + env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) calc(24px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
#done .tip{font-size:14.5px}
#done h1{margin:0;font-size:28px;font-weight:800;text-wrap:balance}
#done p{margin:0;color:var(--ink2);font-size:17px}
#gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(78px,1fr));gap:14px 6px;width:100%;max-width:600px;margin:6px 0}
#gal button{position:relative;border:0;background:none;padding:0;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:12.5px;font-weight:700;line-height:1.15;min-width:0}
#gal img{width:70px;height:70px;border-radius:50%;object-fit:cover;box-sizing:border-box;border:4px solid var(--line);background:var(--card)}
#gal .ok img{border-color:var(--ok)}
#gal .bad img{border-color:var(--bad);filter:grayscale(1)}
#gal .late img{border-color:var(--late)}
#gal small{position:absolute;top:54px;padding:1px 8px;border-radius:999px;background:var(--late);color:#fff;font-size:11.5px;font-weight:800}
#veil{position:fixed;inset:0;z-index:6;background:rgba(22,24,29,.4);display:flex;align-items:flex-end;justify-content:center}
#sheet{width:100%;max-width:480px;box-sizing:border-box;background:var(--card);border-radius:20px 20px 0 0;display:flex;flex-direction:column;gap:10px;
  padding:18px max(16px,env(safe-area-inset-right,0px)) calc(18px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
#sheet h2{margin:0 0 2px;font-size:17px;font-weight:800}
#sheet small{color:var(--ink2);font-size:14px}
#empty{position:fixed;inset:0;z-index:1;display:flex;align-items:center;justify-content:center;text-align:center;padding:24px;color:var(--ink2);font-size:18px}

/* ---- login + admin ---- */
.page{min-height:100%;box-sizing:border-box;display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:calc(36px + env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) calc(28px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
.page h1{margin:0;font-size:30px;font-weight:800}
.page > p{margin:0;color:var(--ink2);text-align:center;max-width:340px}
.card{width:100%;max-width:380px;box-sizing:border-box;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px;display:flex;flex-direction:column;gap:12px}
.card h2{margin:0;font-size:18px;font-weight:800}
.card p{margin:0;color:var(--ink2);font-size:15px}
.card .btn{width:100%}
#code{min-height:54px;box-sizing:border-box;width:100%;border:1.5px solid var(--line);border-radius:14px;background:#fff;text-align:center;direction:ltr;font-family:var(--num);font-size:24px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
#msg{min-height:22px;margin:0;color:#C0262D;font-weight:700;text-align:center}
.row{display:flex;gap:8px;flex-wrap:wrap}
.row .btn{flex:1;width:auto;min-height:46px;font-size:16px;padding:0 12px}
.who{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.who small{color:var(--ink2);font-size:14px}
.codebox{direction:ltr;text-align:center;font-family:var(--num);font-size:30px;font-weight:700;letter-spacing:.1em;padding:12px;border-radius:12px;background:var(--ok-t);color:#1B7A3E;-webkit-user-select:all;user-select:all}
a.back{color:var(--blue);font-weight:700;text-decoration:none;min-height:44px;display:inline-flex;align-items:center}