/* ============================================================
   Solid Drill — shared styles · brand system per BRAND_SPEC
   (flat amber #FBC02D · neutral greys · hairline borders ·
    small radii · no gradients/glows on brand elements)
   ------------------------------------------------------------
   NOTE: class-name API ที่ JS พึ่งพา (panel/btn/tile/pbar/grid169/
   actrow/herobar/bottomnav/deckrow/dot/qcard ...) คงเดิมทุกตัว
   token names เดิม (--gold/--grad/...) คงไว้เป็น alias ชี้ค่าตาม spec
   ============================================================ */
:root{
  /* --- พื้น/ผิว: neutral dark --- */
  --bg:#0D0D0D;            /* พื้นแอป (spec --page) */
  --bg-2:#0A0A0A;          /* พื้นนอก/ขอบจอ desktop */
  --surface:#171717;       /* การ์ด/พาเนล */
  --surface-2:#1A1A1A;     /* พาเนลซ้อน/หัวตาราง */
  --well:#101010;          /* input / ราง / ช่องลึก */
  --line:rgba(255,255,255,0.12);   /* hairline หลัก (spec --hair-2) */
  --line2:rgba(255,255,255,0.07);  /* hairline บาง (spec --hair) */
  --line-soft:rgba(255,255,255,.05);
  --track:#2A2A2A;         /* ราง progress/ring */
  --tick:rgba(246,246,246,0.28);   /* gauge tick เทา */

  /* --- ตัวอักษร: ขาวกลาง --- */
  --txt:#F6F6F6;           /* หัวข้อ/ตัวเด่น (spec --ink) */
  --txt-2:#BDBDBD;         /* เนื้อความ (spec --ink-2) */
  --mut:#8C8C8C;           /* รอง/คำอธิบาย */
  --faint:#6E6E6E;         /* ลายน้ำ/ปิดเสียง */

  /* --- amber (สีแบรนด์เดียว — flat เท่านั้น) --- */
  --amber:#FBC02D;
  --amber-press:#E0A825;
  --gold:#FBC02D;          /* legacy alias */
  --gold-hi:#FBC02D;       /* legacy alias (ไล่เฉดถูกตัด) */
  --gold-deep:#E0A825;     /* legacy alias */
  --gold-soft:rgba(251,192,45,.12);
  --gold-line:rgba(251,192,45,.35);
  --grad:#FBC02D;          /* legacy alias — แบนเป็นสีเดียว */
  --grad-cta:#FBC02D;      /* legacy alias — ปุ่มหลัก flat */

  /* --- สถานะ --- */
  --ok:#5CB874; --ok-soft:rgba(92,184,116,.12); --ok-line:rgba(92,184,116,.5);
  --bad:#DA5A52; --bad-soft:rgba(218,90,82,.12); --bad-line:rgba(218,90,82,.5);

  /* --- ไพ่ fallback (mini/board text) : พื้นตาม suit ตัวอักษรขาว --- */
  --suit-s:#3A4149; --suit-h:#B03A3A; --suit-d:#2D6DA8; --suit-c:#2E7D4F;

  --r-lg:4px; --r-md:4px; --r-sm:6px;
  --shadow:none;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;color:var(--txt);
  font:16px/1.6 'Inter','Anuphan','Segoe UI',system-ui,-apple-system,sans-serif;
  font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased;
  min-height:100svh;background:var(--bg)}
a{color:var(--txt-2);text-decoration:none}
button{font:inherit;cursor:pointer;color:inherit}
::selection{background:rgba(255,255,255,.18)}

/* ---------- brand lockup (gauge tile + wordmark) — spec §1 ---------- */
.brand-lock{display:inline-flex;align-items:center;gap:12px;user-select:none}
.brand-lock .emblem{width:38px;height:38px;border-radius:10px;flex:none;
  display:flex;align-items:flex-end;justify-content:center;padding-bottom:11px;
  background:var(--surface-2);border:1px solid var(--line)}
.brand-lock .emblem i{width:2px;background:var(--tick);border-radius:1px}
.brand-lock .emblem i.k{width:2.5px;background:var(--amber);
  box-shadow:0 0 10px rgba(251,192,45,.5)}
.brand-lock .emblem .g{display:flex;align-items:flex-end;justify-content:center;gap:4.5px}
.brand-lock .wm{display:flex;flex-direction:column;line-height:1.05}
.brand-lock .wm b{font-size:14.5px;font-weight:800;letter-spacing:.22em;
  color:var(--txt)}
.brand-lock .wm b + b{color:var(--mut);font-weight:600}
.brand-lock.sm .emblem{width:30px;height:30px;border-radius:8px;padding-bottom:8.5px}
.brand-lock.sm .emblem .g{gap:3.5px}
.brand-lock.sm .emblem i{width:1.5px}
.brand-lock.sm .emblem i.k{width:2px}
.brand-lock.sm .wm b{font-size:12px;letter-spacing:.2em}

/* ---------- layout ---------- */
.page{max-width:720px;margin:0 auto;padding:14px 16px 84px}
.header{display:flex;align-items:center;justify-content:space-between;margin:4px 0 16px}
.header .gear{color:var(--mut);padding:7px;border:0;background:none;
  border-radius:10px;line-height:0}
.gear svg{width:21px;height:21px;display:block;stroke:currentColor;fill:none}
.header .gear:hover{color:var(--txt);background:var(--surface-2)}
@media (min-width:561px){ .header{display:none} }
h1.pagetitle{font-size:21px;font-weight:800;letter-spacing:-.01em;margin:2px 0 16px}
.section-title{font-size:11px;color:var(--faint);margin:22px 2px 9px;font-weight:600;
  letter-spacing:.22em;text-transform:uppercase;display:flex;align-items:center;justify-content:space-between}
.section-title a{font-size:12px;font-weight:600;letter-spacing:.02em;text-transform:none;color:var(--mut)}

/* ---------- surface / cards ---------- */
.panel{background:var(--surface);
  border:1px solid var(--line2);border-radius:var(--r-lg);padding:18px}
.panel + .panel{margin-top:12px}
.panel-hd{display:flex;align-items:center;justify-content:space-between;margin:-2px 0 12px}
.panel-hd .t{font-size:14px;font-weight:700;color:var(--txt)}
.panel-hd a{font-size:12.5px}

/* ---------- ปุ่ม ---------- */
.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;
  min-height:46px;border:0;border-radius:var(--r-sm);padding:11px 16px;font-weight:700;
  color:var(--txt);background:var(--surface-2);border:1px solid var(--line);
  transition:transform .08s,background .15s,border-color .15s}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--amber);color:#121212;min-height:48px;border:0;
  font-weight:700;letter-spacing:.01em;transition:background .15s ease}
.btn.primary:hover{background:var(--amber-press)}
.btn.outline{background:transparent;border:1px solid var(--line);font-weight:600;color:var(--txt-2)}
.btn.outline:hover{border-color:var(--txt-2);color:var(--txt)}
.btn.ghost{background:transparent;border:0;color:var(--mut);font-weight:600}
.btn.danger{background:transparent;border:1px solid var(--bad-line);color:var(--bad);font-weight:600}
.btn:disabled{opacity:.5;cursor:default;transform:none}

/* ---------- bottom nav (มือถือ) / top nav (desktop) ---------- */
.bottomnav{position:fixed;left:0;right:0;bottom:0;height:62px;z-index:40;
  background:rgba(13,13,13,.92);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-top:1px solid var(--line2);padding-bottom:env(safe-area-inset-bottom)}
.bottomnav .navwrap{display:flex;align-items:stretch;justify-content:space-around;
  height:62px;width:100%}
.bottomnav a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;font-size:11px;color:var(--mut);position:relative;font-weight:600}
.bottomnav a .ic{width:23px;height:23px;display:block}
.bottomnav a .ic svg{width:100%;height:100%;display:block;stroke:currentColor;fill:none}
.bottomnav a.on{color:var(--txt)}
.bottomnav a.on::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;background:var(--amber);
  box-shadow:0 0 8px rgba(251,192,45,.35)}
.bottomnav .navbrand,.bottomnav .grow,.bottomnav .navgear{display:none}
@media (min-width:561px){
  .bottomnav{top:0;bottom:auto;height:58px;border-top:0;border-bottom:1px solid var(--line2)}
  .bottomnav .navwrap{align-items:center;justify-content:flex-start;gap:2px;height:58px;
    max-width:1080px;margin:0 auto;padding:0 20px}
  .bottomnav .navbrand{display:inline-flex;margin-right:18px;padding:6px 0}
  .bottomnav .grow{display:block;flex:1}
  .bottomnav .navgear{display:inline-flex;align-items:center;justify-content:center;
    color:var(--mut);background:none;border:0;padding:8px;border-radius:10px;line-height:0}
  .bottomnav .navgear:hover{color:var(--txt);background:var(--surface-2)}
  .bottomnav a{flex:0 0 auto;flex-direction:row;gap:8px;font-size:13.5px;padding:0 15px;
    height:58px;border-radius:0}
  .bottomnav a:hover{color:var(--txt-2)}
  .bottomnav a .ic{width:18px;height:18px}
  .bottomnav a.on::before{top:auto;bottom:0;width:100%;border-radius:3px 3px 0 0}
  .page{padding-top:76px}
}

/* ---------- ring (donut % — retention/streak) ---------- */
.ring{--p:0;--sz:120px;--th:11px;width:var(--sz);height:var(--sz);border-radius:50%;
  flex:none;display:flex;align-items:center;justify-content:center;position:relative;
  background:conic-gradient(var(--amber) calc(var(--p)*1%), var(--track) 0)}
.ring::before{content:'';position:absolute;inset:var(--th);border-radius:50%;
  background:var(--surface)}
.ring.on-well::before{background:var(--well)}
.ring .rc{position:relative;text-align:center;line-height:1.05}
.ring .rc .v{font-size:calc(var(--sz)*.26);font-weight:800;color:var(--txt)}
.ring .rc .l{font-size:11px;color:var(--mut);margin-top:1px}

/* ---------- stat tiles ---------- */
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tile{background:var(--surface);
  border:1px solid var(--line2);border-radius:var(--r-md);padding:14px 15px}
.tile .k{font-size:12px;color:var(--mut);font-weight:600;display:flex;align-items:center;gap:6px}
.tile .v{font-size:25px;font-weight:800;margin-top:3px;letter-spacing:-.01em}
.tile .v .gold{color:var(--gold)}
.tile .v small{font-size:13px;font-weight:600;color:var(--mut)}
.tile .sub{font-size:11.5px;color:var(--mut);margin-top:2px}
.tile.wide{grid-column:1/-1}

/* ---------- deck badge (คู่ไพ่/หมวด) — flat tint + hairline (no gradient) ---------- */
.dbadge{width:38px;height:44px;border-radius:5px;flex:none;display:flex;
  flex-direction:column;align-items:center;justify-content:center;line-height:1;
  font-weight:800;color:#E8DDDD;background:#2E1F1F;
  border:1px solid rgba(255,255,255,.09)}
.dbadge .p{font-size:13px;letter-spacing:.02em}
.dbadge .k{font-size:9.5px;opacity:.7;margin-top:1px;font-weight:700}
.dbadge.c-blue{background:#1D2B3C;color:#D9E4EE}
.dbadge.c-green{background:#1D3226;color:#DAE8DF}
.dbadge.c-gold{background:#362B16;color:#EBDDB8}
.dbadge.c-purple{background:#2C2038;color:#E3DAEC}

/* ---------- chips (filter / segmented) ---------- */
.chips{display:flex;gap:8px}
.chips button{flex:1;min-height:40px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:var(--surface-2);color:var(--txt-2);font-size:13.5px;font-weight:600;
  transition:border-color .12s,color .12s}
.chips button.on{border-color:var(--gold-line);color:var(--gold);
  background:var(--gold-soft);font-weight:700}

/* ---------- search box ---------- */
.searchbar{display:flex;align-items:center;gap:9px;background:var(--well);
  border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 13px;color:var(--mut)}
.searchbar input{flex:1;background:none;border:0;outline:0;color:var(--txt);font:inherit;padding:0}
.searchbar input::placeholder{color:var(--mut)}

/* ---------- progress bar บางๆ ---------- */
.pbar{height:5px;border-radius:3px;background:var(--track);overflow:hidden}
.pbar > i{display:block;height:100%;background:var(--txt);border-radius:3px}

/* ---------- inputs (auth/settings/modal ใช้ร่วม) ---------- */
.fld{width:100%;background:var(--well);border:1px solid var(--line);border-radius:var(--r-sm);
  color:var(--txt);font:inherit;padding:12px 14px;outline:none;transition:border-color .12s}
.fld:focus{border-color:var(--gold-line);box-shadow:0 0 0 3px var(--gold-soft)}

/* ---------- msg / toast ---------- */
.msg{border-radius:var(--r-md);padding:10px 13px;font-size:13.5px;margin-top:12px}
.msg.bad{background:var(--bad-soft);border:1px solid var(--bad-line);color:var(--bad)}
.msg.ok{background:var(--ok-soft);border:1px solid var(--ok-line);color:var(--ok)}
.msg.warn{background:var(--gold-soft);border:1px solid var(--gold-line);color:var(--amber)}
.msg.info{background:var(--surface-2);border:1px solid var(--line);color:var(--txt-2)}
.msg.info a{color:var(--txt);text-decoration:underline;text-underline-offset:3px}
#spd-toast{position:fixed;left:50%;bottom:82px;transform:translateX(-50%);z-index:70;
  background:var(--surface-2);border:1px solid var(--line);color:var(--txt);
  padding:11px 17px;border-radius:var(--r-md);font-size:13.5px;white-space:nowrap;
  opacity:0;pointer-events:none;transition:opacity .2s}
#spd-toast.on{opacity:1}

/* ---------- modal (re-login ฯลฯ) ---------- */
.modal-wrap{position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.66);
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
  display:flex;align-items:center;justify-content:center;padding:20px}
.modal{width:100%;max-width:390px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px}
.modal h3{margin:0 0 6px;font-size:17px}
.modal .note{color:var(--mut);font-size:13.5px;margin:0 0 10px}
.modal input{width:100%;background:var(--well);border:1px solid var(--line);border-radius:var(--r-sm);
  color:var(--txt);font:inherit;padding:12px 14px;outline:none;margin-top:8px}
.modal input:focus{border-color:var(--gold-line)}

/* ---------- ไพ่ (HTML/CSS fallback — mini/board/hero text) ---------- */
.pcard{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;
  width:44px;height:60px;border-radius:7px;color:#FFF;line-height:1;
  font-weight:700;user-select:none;flex:none;box-shadow:0 2px 5px rgba(0,0,0,.5)}
.pcard .r{font-size:20px}
.pcard .s{font-size:13px;margin-top:1px}
.pcard.hero{width:54px;height:74px}
.pcard.hero .r{font-size:26px}
.pcard.hero .s{font-size:15px}
.pcard.mini{width:20px;height:28px;border-radius:4px;flex-direction:row;gap:0;box-shadow:none}
.pcard.mini .r{font-size:12px}
.pcard.mini .s{font-size:9px;margin:2px 0 0}
.pcard.blank{background:none;border:1.5px dashed var(--line);box-shadow:none}
.pcard.s-s{background:var(--suit-s)} .pcard.s-h{background:var(--suit-h)}
.pcard.s-d{background:var(--suit-d)} .pcard.s-c{background:var(--suit-c)}
@media (min-width:561px){
  .pcard{width:50px;height:69px} .pcard .r{font-size:23px}
  .pcard.hero{width:62px;height:85px} .pcard.hero .r{font-size:30px}
}

/* ---------- แถบ action (reveal) ---------- */
.actrow{display:grid;grid-template-columns:minmax(88px,auto) 1fr auto;gap:10px;
  align-items:center;font-size:13.5px;margin:7px 0}
.actrow .lbl{white-space:nowrap;font-weight:600;color:var(--txt-2)}
.actrow .bar{height:9px;border-radius:5px;background:var(--well);overflow:hidden}
.actrow .bar > i{display:block;height:100%;border-radius:5px}
.actrow .num{color:var(--mut);white-space:nowrap;font-size:12.5px;font-variant-numeric:tabular-nums}
.herobar{display:flex;height:28px;border-radius:4px;overflow:hidden;margin:7px 0 2px;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.3)}
.herobar > i{display:flex;align-items:center;justify-content:center;
  font-size:11.5px;font-weight:700;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.55);
  overflow:hidden;white-space:nowrap}

/* ---------- grid 13×13 (viewer-grade) ---------- */
.grid169{display:grid;grid-template-columns:repeat(13,1fr);gap:2px;width:100%;
  touch-action:manipulation;background:var(--line2);padding:2px;border-radius:4px;
  border:1px solid var(--line2)}
.grid169 .cell{position:relative;aspect-ratio:1;border-radius:2px;background:#16161A;
  overflow:hidden;display:flex}
.grid169 .cell > i{flex:none;height:100%}
.grid169 .cell.herocell{outline:2px solid var(--amber);outline-offset:-2px;z-index:2;
  box-shadow:0 0 0 2px rgba(241,194,75,.35)}
.grid169 .cell .cl{position:absolute;inset:0;display:none;align-items:center;justify-content:center;
  font-size:8.5px;font-weight:700;color:rgba(255,255,255,.92);
  text-shadow:0 1px 2px rgba(0,0,0,.85)}
@media (min-width:561px){.grid169 .cell .cl{display:flex}}
.gridtip{margin-top:9px;font-size:13px;color:var(--txt-2);background:var(--well);
  border:1px solid var(--line2);border-radius:4px;padding:8px 11px;min-height:20px}
.gridleg{display:flex;flex-wrap:wrap;gap:10px 14px;margin-top:9px;font-size:11.5px;color:var(--mut)}
.gridleg span{display:inline-flex;align-items:center;gap:5px}
.gridleg span i{width:11px;height:11px;border-radius:3px;flex:none}

/* ---------- accordion ---------- */
.acc-head{display:flex;align-items:center;gap:7px;color:var(--mut);font-size:13.5px;
  padding:10px 0;cursor:pointer;user-select:none;background:none;border:0;width:100%;
  text-align:left;font-weight:600}
.acc-head .tri{transition:transform .15s;font-size:11px}
.acc.open .acc-head .tri{transform:rotate(90deg)}
.acc-body{display:none}
.acc.open .acc-body{display:block}