/* ===== Bảng màu Claude / Anthropic (kem ấm + coral đất nung) ===== */
:root {
  --cream: #F0EEE6;       /* nền trang */
  --cream-2: #FBFAF6;     /* nền nhạt (guide) */
  --card: #FFFFFF;
  --ink: #1F1E1D;         /* chữ chính */
  --muted: #73706A;       /* chữ phụ */
  --coral: #D97757;       /* nhấn chính */
  --coral-dk: #BE5D3D;    /* hover */
  --coral-sft: #F7E9E1;   /* nền nhạt coral */
  --line: #E4E0D6;        /* viền ấm */
  --ok-bg: #E3F0E4; --ok-fg: #2F6B3A;
  --warn-bg: #FBEFD3; --warn-fg: #8A5A12;
  --bad-bg: #F7DED9; --bad-fg: #A23B2A;
}

* { box-sizing: border-box; }
body {
  font-family: ui-sans-serif, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  margin: 0; background: var(--cream); color: var(--ink);
  border-top: 3px solid var(--coral); line-height: 1.5;
}

/* ===== Header ===== */
header { background: var(--card); border-bottom: 1px solid var(--line); padding: 26px 20px 22px; text-align: center; }
header h1 {
  margin: 0 0 6px; font-size: 24px; font-weight: 600; letter-spacing: -0.2px;
  font-family: Georgia, "Times New Roman", serif; color: var(--ink);
}
header .sub { margin: 0; color: var(--muted); font-size: 14px; }

.disclaimer {
  max-width: 1160px; margin: 0 auto; padding: 10px 18px; font-size: 12.5px;
  color: #8a5a12; background: #FBF3E0; border-bottom: 1px solid var(--line);
}

main { max-width: 1160px; margin: 24px auto; padding: 0 18px; }

.banner {
  background: var(--coral-sft); border: 1px solid #EBC9B9; border-left: 4px solid var(--coral);
  color: #8a4a32; padding: 11px 15px; border-radius: 12px; margin-bottom: 16px; font-size: 13.5px;
}
.intro { max-width: 1160px; margin: 0 auto 16px; font-size: 14.5px; color: #4a4843; }

/* ===== Lưới 2 cột: trái hướng dẫn | phải nội dung ===== */
.layout { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 18px 20px; align-items: start; }
@media (max-width: 760px) { .layout { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 22px; box-shadow: 0 1px 2px rgba(31,30,29,.04);
}
.card h2 { margin: 0 0 14px; font-size: 17px; font-weight: 600; color: var(--ink); }

/* ===== Cột hướng dẫn ===== */
.guide { background: var(--cream-2); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.guide .step, .guide .method {
  display: inline-block; background: var(--coral); color: #fff; font-size: 11.5px; font-weight: 700;
  letter-spacing: .3px; text-transform: uppercase; padding: 3px 12px; border-radius: 999px; margin-bottom: 10px;
}
.guide h3 { margin: 0 0 10px; font-size: 16px; color: var(--ink); font-weight: 600; }
.guide ol { margin: 0 0 0 18px; padding: 0; line-height: 1.7; font-size: 14px; color: #4a4843; }
.guide ol li { margin-bottom: 6px; }
.guide p { margin: 4px 0; font-size: 14px; line-height: 1.6; color: #4a4843; }
.guide .hint {
  margin-top: 10px; padding: 9px 11px; background: var(--coral-sft);
  border-left: 3px solid var(--coral); border-radius: 8px; font-size: 13px; color: #8a4a32;
}

/* ===== Nút ===== */
.btn {
  background: var(--coral); color: #fff; border: 0; border-radius: 9px;
  padding: 9px 17px; font-size: 14px; font-weight: 500; cursor: pointer; transition: background .15s;
  text-decoration: none; display: inline-block;
}
.btn:hover { background: var(--coral-dk); }
.btn-outline { background: var(--card); color: var(--coral); border: 1px solid var(--coral); }
.btn-outline:hover { background: var(--coral-sft); }
.link { background: none; border: 0; color: var(--coral); cursor: pointer; text-decoration: underline; font-size: inherit; }
.dlrow { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.exportbar { margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--line); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* ===== Vùng kéo–thả ===== */
.drop {
  border: 1.5px dashed #D6CFBF; border-radius: 12px; padding: 26px; text-align: center;
  transition: .15s; cursor: pointer; background: var(--cream-2);
}
.drop.over { background: var(--coral-sft); border-color: var(--coral); }

/* ===== Kết quả ===== */
.muted { color: var(--muted); font-size: 13px; }
.result { margin-top: 14px; }
.filegroup { margin-bottom: 16px; }
.filehead { font-weight: 600; color: var(--ink); padding: 7px 0; border-bottom: 1px solid var(--line); margin-bottom: 9px; }
.sig {
  border: 1px solid var(--line); border-left: 4px solid var(--coral);
  border-radius: 10px; padding: 13px 15px; margin-bottom: 11px; background: var(--cream-2);
}
.sig.bad { border-left-color: var(--bad-fg); background: #FCF1EE; }
.sig h3 { margin: 0 0 9px; font-size: 15px; color: var(--ink); }
.sig table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.sig td { padding: 3px 6px; vertical-align: top; }
.sig td.k { color: var(--muted); width: 188px; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.ok { background: var(--ok-bg); color: var(--ok-fg); }
.badge.warn { background: var(--warn-bg); color: var(--warn-fg); }
.badge.bad { background: var(--bad-bg); color: var(--bad-fg); }

.rolebadge { font-size: 12px; font-weight: 600; padding: 2px 10px; border-radius: 999px; margin-left: 6px; vertical-align: middle; }
.rolebadge.role-ca { background: #ECE9E0; color: #6B6862; }
.rolebadge.role-me { background: var(--coral-sft); color: var(--coral-dk); }

.adminwarn {
  margin-top: 11px; padding: 10px 12px; background: var(--warn-bg);
  border: 1px solid #E9C98A; border-left: 4px solid #C98A2E; border-radius: 9px; color: #7a4e12; font-size: 13.5px;
}
.adminwarn ul { margin: 6px 0 0 18px; padding: 0; }

.error { color: var(--bad-fg); background: var(--bad-bg); padding: 10px 13px; border-radius: 9px; }
.spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid #E4D3C9; border-top-color: var(--coral); border-radius: 50%; animation: spin .7s linear infinite; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Footer ===== */
.site-footer {
  max-width: 1160px; margin: 32px auto 26px; padding: 16px 18px 0;
  border-top: 1px solid var(--line); text-align: center;
  font-size: 13px; color: var(--muted);
}
.site-footer a { color: var(--coral); text-decoration: none; font-weight: 600; }
.site-footer a:hover { color: var(--coral-dk); text-decoration: underline; }

/* ===== Bảng lịch sử (admin) ===== */
.histtable { width: 100%; border-collapse: collapse; font-size: 13px; }
.histtable th, .histtable td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; }
.histtable th { background: var(--cream-2); color: var(--ink); }
.histtable tr.rowwarn { background: var(--coral-sft); }