/* Bài "Nhặt đồ boss bằng bốc thăm" (nhat-do-boss.html): nạp sau luyen-quy-thuat.css.
 * Mọi hình minh hoạ là SVG/CSS thuần — không ảnh nặng, co giãn theo bề rộng trang. */
:root{--bt-red:#9b4231;--bt-red-bg:#f7e3db;--bt-red-line:#d5a692;--bt-green-bg:#e5eed9;--bt-green-line:#a7c08d}
.bt-sprite{position:absolute;width:0;height:0;overflow:hidden}
.bt-fig{margin:0;padding:0}
.bt-fig svg{display:block;width:100%;height:auto}
.bt-fig figcaption{padding:8px 2px 0;color:#77684e;font-size:12px}
.bt-hero{padding:0 52px}
.bt-hero svg{border-radius:10px;box-shadow:0 5px 0 rgba(86,61,29,.18)}
.bt-svg-t{font-family:"Baloo 2 Local",system-ui,sans-serif;font-weight:800}

/* Bốn bước */
.bt-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0 0;padding:0;list-style:none}
.bt-steps li{position:relative;display:grid;gap:4px;padding:14px 13px 13px;background:#f6edda;border:1px solid #decaa3;border-radius:9px}
.bt-steps li:not(:last-child)::after{content:"›";position:absolute;right:-12px;top:50%;z-index:1;transform:translateY(-50%);display:grid;place-items:center;width:14px;height:24px;color:var(--gold);font-size:26px;font-weight:900;line-height:1}
.bt-steps .n{display:grid;place-items:center;width:30px;height:30px;background:var(--forest);border:2px solid var(--gold);border-radius:50%;color:#f3d77b;font-size:15px;font-weight:900}
.bt-steps b{color:var(--forest);font-size:15px;line-height:1.2}
.bt-steps span{color:var(--muted);font-size:12.5px;line-height:1.4}

/* Ba điều kiện + sơ đồ vòng tròn */
.bt-ticket{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:18px;align-items:center}
.bt-conds{display:grid;gap:9px;margin:0;padding:0;list-style:none}
.bt-conds li{display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:center;padding:11px 13px;background:#f6edda;border:1px solid #decaa3;border-radius:9px}
.bt-conds .ic{display:grid;place-items:center;width:42px;height:42px;background:var(--forest);border:2px solid var(--gold);border-radius:50%;color:#f3d77b;font-size:17px;font-weight:900;line-height:1}
.bt-conds b{display:block;color:var(--forest);font-size:15px;line-height:1.2}
.bt-conds span{color:var(--muted);font-size:12.5px;line-height:1.35}
.bt-conds em{color:var(--jade);font-style:normal;font-weight:900}

/* Cơ hội trúng */
.bt-odds{display:grid;grid-template-columns:minmax(0,1fr) 190px;gap:22px;align-items:center;padding:16px;background:#f6edda;border:1px solid #decaa3;border-radius:10px}
.bt-rows{display:grid;gap:11px}
.bt-row{display:grid;grid-template-columns:78px minmax(0,1fr) 74px;gap:10px;align-items:center;font-size:13px}
.bt-row .who{color:var(--forest);font-weight:800;white-space:nowrap}
.bt-row .who i{display:inline-block;width:10px;height:10px;margin-right:6px;border-radius:50%;background:var(--c)}
.bt-row .pct{text-align:right;color:var(--forest);font-size:16px;font-weight:900}
.bt-row.no .pct{color:#9a8b6a;font-size:11px;font-weight:800;line-height:1.1}
.bt-track{position:relative;height:20px;background:#e7d9b8;border-radius:5px;overflow:hidden}
.bt-fill{position:absolute;left:0;top:0;bottom:0;background:var(--c)}
.bt-over{position:absolute;top:0;bottom:0;background:repeating-linear-gradient(135deg,#cdbf9c 0 4px,#e7d9b8 4px 8px)}
.bt-row.no .bt-fill{background:#b9ad8c}
.bt-track .dmg{position:absolute;left:7px;z-index:3;top:0;line-height:20px;color:#fff;font-size:11px;font-weight:900;text-shadow:0 1px 0 rgba(0,0,0,.35)}
.bt-row.no .dmg{color:#6d614c;text-shadow:none}
.bt-cap{display:grid;grid-template-columns:78px minmax(0,1fr) 74px;gap:10px;margin-bottom:-4px}
.bt-cap div{position:relative;grid-column:2;height:22px}
.bt-cap span{position:absolute;left:37.5%;top:0;transform:translateX(-50%);padding:1px 8px;background:#f8ecc8;border:1px solid var(--gold);border-radius:999px;color:#7a5510;font-size:11px;font-weight:900;white-space:nowrap}
.bt-track .capline{position:absolute;left:37.5%;top:0;bottom:0;z-index:2;border-left:2px dashed #b8861f}
.bt-donut{display:grid;justify-items:center;gap:6px;text-align:center}
.bt-donut svg{width:150px;height:150px}
.bt-donut small{color:var(--muted);font-size:11px;line-height:1.3}
.bt-rows-wrap{position:relative}

/* Mốc thời gian của món trúng thăm */
.bt-time{display:grid;grid-template-columns:2fr 3fr 5fr;gap:0;margin:8px 0 0}
.bt-seg{position:relative;padding:12px 12px 14px;border:1px solid #decaa3;border-right:0;background:#f6edda;font-size:12.5px;line-height:1.35}
.bt-seg:first-child{border-radius:9px 0 0 9px}
.bt-seg:last-child{border-right:1px solid #decaa3;border-radius:0 9px 9px 0}
.bt-seg b{display:block;color:var(--forest);font-size:14px;line-height:1.2}
.bt-seg span{color:var(--muted)}
.bt-seg .mark{position:absolute;left:-1px;top:-11px;transform:translateX(-50%);padding:0 7px;background:var(--forest);border:1px solid var(--gold);border-radius:999px;color:#f3d77b;font-size:11px;font-weight:900;line-height:18px;white-space:nowrap;z-index:1}
.bt-seg:first-child .mark{left:0;transform:none}
.bt-seg.mine{background:linear-gradient(180deg,#fbf0c9,#f6e4a7);border-color:#d4a84d}
.bt-seg.share{background:#eef1dd;border-color:var(--bt-green-line)}
.bt-seg.gone{background:#ece5d4}
.bt-seg .end{position:absolute;right:-1px;top:-11px;transform:translateX(50%);padding:0 7px;background:#6d614c;border-radius:999px;color:#fff7e5;font-size:11px;font-weight:900;line-height:18px;white-space:nowrap;z-index:1}
.bt-time-wrap{padding-top:12px}

/* Khung chat Thiên Đạo */
.bt-chat{margin:14px 0 4px;padding:11px 14px;background:#1c2a24;border:1px solid #3c5448;border-radius:8px;color:#e8ecd8;font-size:13px;line-height:1.5}
.bt-chat .ch{display:inline-block;margin-right:6px;padding:0 7px;background:#c9971f;border-radius:4px;color:#201605;font-size:11px;font-weight:900}
.bt-chat .win{color:#ffd66b;font-weight:800}

/* Chip vật phẩm */
.bt-groups{display:grid;gap:12px}
.bt-group{display:grid;gap:8px;padding:13px 14px;background:#f6edda;border:1px solid #decaa3;border-radius:9px}
.bt-group>b{color:var(--forest);font-size:15px;line-height:1.2}
.bt-group>b small{margin-left:6px;color:var(--muted);font-size:12px;font-weight:600}
.bt-chips{display:flex;flex-wrap:wrap;gap:6px}
.bt-chip{display:inline-flex;align-items:center;gap:6px;padding:3px 10px 3px 4px;background:#fffaf0;border:1px solid #d9cba9;border-radius:6px;color:var(--forest);font-size:12px;font-weight:800;line-height:1.2}
.bt-chip img{width:26px;height:26px;object-fit:contain;image-rendering:pixelated;background:#efe3c6;border-radius:4px}
.bt-group.same{background:#eef1dd;border-color:var(--bt-green-line)}
.bt-same-list{display:grid;gap:7px;margin:0;padding:0;list-style:none}
.bt-same-list li{display:flex;gap:9px;align-items:baseline;font-size:13.5px;line-height:1.4}
.bt-same-list li::before{content:"=";flex:none;display:grid;place-items:center;width:18px;height:18px;background:#fff;border:1px solid var(--bt-green-line);border-radius:50%;color:var(--jade);font-size:12px;font-weight:900;line-height:1}

/* Mẹo */
.bt-tips{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.bt-tip{display:grid;grid-template-columns:38px 1fr;gap:11px;align-items:start;padding:12px 13px;background:#eef1dd;border-left:4px solid var(--jade);border-radius:0 8px 8px 0}
.bt-tip i{display:grid;place-items:center;width:38px;height:38px;background:var(--forest);border-radius:8px;color:#f3d77b;font-size:19px;font-style:normal;line-height:1}
.bt-tip b{display:block;color:var(--forest);font-size:14.5px;line-height:1.2}
.bt-tip span{color:#4b6554;font-size:12.5px;line-height:1.4}

@media(max-width:800px){.bt-hero{padding-left:28px;padding-right:28px}.bt-ticket{grid-template-columns:1fr}.bt-steps{grid-template-columns:1fr 1fr}.bt-steps li:nth-child(2)::after{display:none}}
@media(max-width:560px){
  .bt-hero{padding-left:19px;padding-right:19px}
  .bt-steps{grid-template-columns:1fr}.bt-steps li::after{display:none!important}
  .bt-odds{grid-template-columns:1fr;padding:13px}
  .bt-row{grid-template-columns:62px minmax(0,1fr) 54px;gap:7px;font-size:12px}
  .bt-row .pct{font-size:14px}
  .bt-cap{grid-template-columns:62px minmax(0,1fr) 54px;gap:7px}
  .bt-time{grid-template-columns:1fr;gap:16px}
  .bt-seg,.bt-seg:first-child,.bt-seg:last-child{border:1px solid #decaa3;border-radius:9px}
  .bt-seg .mark,.bt-seg:first-child .mark{left:12px;transform:none}
  .bt-seg .end{right:12px;transform:none}
  .bt-tips{grid-template-columns:1fr}
  .bt-conds li{grid-template-columns:36px 1fr;gap:10px}.bt-conds .ic{width:36px;height:36px;font-size:15px}
}