/* ===========================================================
   LADOS TEAM — THEME (nền trắng, theo layout lados.vn)
   Mã màu lấy trực tiếp từ file logo LADOS.
   =========================================================== */
:root{
  /* --- MÀU THƯƠNG HIỆU --- */
  --brand-red:    #EB2029;   /* đỏ chữ LADOS */
  --brand-orange: #F47B33;   /* cam thân ngọn lửa — MÀU NHẤN CHÍNH */
  --brand-amber:  #FBAF43;   /* cam vàng đỉnh ngọn lửa */
  --brand-flame:  linear-gradient(135deg,#FBAF43 0%,#F47B33 45%,#EB2029 100%);

  /* --- NỀN & CHỮ (sáng, theo lados.vn) --- */
  --bg:        #FFFFFF;
  --surface:   #FFFFFF;
  --surface-2: #F6F6F7;
  --line:      #E4E4E7;
  --line-2:    #D4D4D8;
  --text:      #101012;      /* chữ & số: ĐEN */
  --muted:     #6B6B75;

  /* --- Header / Footer đen như lados.vn --- */
  --dark:      #101012;
  --dark-2:    #1C1C20;
  --on-dark:   #FFFFFF;
  --on-dark-muted:#A1A1AA;

  --pos:#158F5A;             /* tăng điểm */
  --neg:#D92B20;             /* giảm điểm */

  --shadow: 0 1px 2px rgba(16,16,18,.05), 0 8px 24px rgba(16,16,18,.06);
  --radius: 4px;
  --font: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  /* Font cho chữ IN HOA / tiêu đề: Lexend vẽ dấu hỏi TO, cong hẳn và có đuôi rõ,
     không thể đọc nhầm thành dấu sắc ở các chữ như ĐIỂM, HỎI, THỂ.
     (Montserrat khá hơn Be Vietnam Pro nhưng đầu dấu hỏi vẫn bị cắt bằng, nhìn như dấu sắc.) */
  --font-display: 'Lexend', 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit}

.container{width:min(1180px,92vw);margin-inline:auto}

/* ---------- Header (nền đen) ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--dark);
  border-bottom:1px solid var(--dark);
}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo img{height:36px;width:auto}
.logo-text{
  font-weight:800;letter-spacing:.24em;font-size:19px;
  color:var(--on-dark);
}
.logo-text small{
  display:block;font-size:9px;letter-spacing:.3em;
  color:var(--brand-orange);font-weight:600;margin-top:-2px;
}

.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{
  padding:9px 16px;font-size:13px;font-weight:700;
  letter-spacing:.08em;color:var(--on-dark-muted);
  border-radius:var(--radius);transition:.18s;
  border:1px solid transparent;
}
.nav a:hover{color:var(--on-dark);background:var(--dark-2)}
.nav a.active{color:#fff;background:var(--brand-orange);border-color:transparent}
.nav a.ext::after{content:'↗';margin-left:6px;font-size:11px;opacity:.7}

.burger{display:none;background:none;border:1px solid #3A3A42;color:var(--on-dark);
  padding:8px 11px;border-radius:var(--radius);cursor:pointer;margin-left:auto}

/* ---------- Hero (nền trắng) ---------- */
.hero{
  padding:56px 0 36px;
  border-bottom:1px solid var(--line);
  background:var(--bg);
}
.hero h1{
  font-size:clamp(28px,5vw,46px);font-weight:800;
  /* 1.08 quá chật: dấu nặng của HẠNG đè lên dấu mũ của dòng dưới,
     và các dấu chồng (Ể, Ộ) bị dính vào nhau. */
  letter-spacing:-.6px;line-height:1.22;color:var(--text);
}
.hero h1 em{
  font-style:normal;
  background:var(--brand-flame);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  /* QUAN TRỌNG — đừng bỏ dòng padding-top này.
     background-clip:text chỉ tô màu trong phạm vi "content area" của font.
     Chữ Việt in hoa có dấu chồng (Ể, Ộ, Ẩ) vươn cao hơn vùng đó ~6px ở cỡ 46px,
     nên phần đầu dấu hỏi/dấu mũ không được tô -> nhìn như bị cắt cụt, dễ đọc
     nhầm dấu hỏi thành dấu sắc. padding-top nới vùng tô lên trên; vì đây là
     thẻ inline nên padding KHÔNG làm xê dịch bố cục. */
  padding-top:.18em;
}
.hero p{color:var(--muted);margin-top:12px;max-width:660px;font-size:15px}
.hero-stats{display:flex;gap:34px;margin-top:28px;flex-wrap:wrap}
.hero-stats div b{display:block;font-size:28px;color:var(--text);font-weight:800;line-height:1.1}
.hero-stats div span{font-size:11px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;font-weight:600}

/* ---------- Banner trang chu ---------- */
.hero-banner{
  position:relative;margin:26px 0 6px;
  border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--surface-2);
}
.hb-track{display:flex;transition:transform .5s cubic-bezier(.4,0,.2,1)}
.hb-slide{min-width:100%;position:relative;display:block}
.hb-slide img{width:100%;aspect-ratio:16/6;object-fit:cover;display:block}
.hb-cap{
  position:absolute;left:0;right:0;bottom:0;padding:16px 20px;color:#fff;
  background:linear-gradient(transparent,rgba(0,0,0,.78));
  font-size:14px;font-weight:700;letter-spacing:.01em;
}
.hb-btn{
  position:absolute;top:50%;transform:translateY(-50%);
  background:rgba(16,16,18,.55);border:none;color:#fff;
  width:38px;height:38px;border-radius:var(--radius);
  cursor:pointer;font-size:20px;line-height:1;display:none;
}
.hb-btn:hover{background:var(--brand-orange)}
.hb-btn.prev{left:12px}.hb-btn.next{right:12px}
.hero-banner.multi .hb-btn{display:block}
.hb-dots{
  position:absolute;left:0;right:0;bottom:10px;
  display:none;gap:6px;justify-content:center;
}
.hero-banner.multi .hb-dots{display:flex}
.hb-dot{
  width:24px;height:4px;border:none;cursor:pointer;border-radius:2px;
  background:rgba(255,255,255,.5);padding:0;
}
.hb-dot.active{background:var(--brand-orange)}

/* ---------- Chữ IN HOA dùng font hiển thị (dấu hỏi rõ) ---------- */
.hero h1, h1, h2, h3, h4, h5,
.logo-text, .logo-text small,
.nav a,
.section-title,
.hero-stats div span,
.rank-head,
.tbl th,
.badge, .tier,
.btn,
.member-body .role,
.bracket-round h5,
label.f,
.admin-nav button{
  font-family:var(--font-display);
}

/* ---------- Sections / Tabs ---------- */
.tab-panel{display:none;padding:36px 0 72px}
.tab-panel.active{display:block}

.section-title{
  font-size:11.5px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--brand-orange);font-weight:800;margin-bottom:8px;
}
.section-head{margin-bottom:22px}
.section-head h2{font-size:clamp(21px,3vw,30px);font-weight:800;letter-spacing:-.4px}
.section-head p{color:var(--muted);font-size:14px;margin-top:6px;max-width:720px}

/* ---------- Toolbar ---------- */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:18px}
.input,.select{
  background:#fff;border:1px solid var(--line-2);color:var(--text);
  padding:10px 13px;border-radius:var(--radius);outline:none;min-width:190px;
}
.input::placeholder{color:#9A9AA5}
.input:focus,.select:focus{border-color:var(--brand-orange);box-shadow:0 0 0 3px rgba(244,123,51,.15)}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{
  padding:8px 15px;border:1px solid var(--line-2);background:#fff;
  border-radius:var(--radius);font-size:12px;font-weight:700;letter-spacing:.06em;
  cursor:pointer;color:var(--muted);transition:.15s;
}
.chip:hover{color:var(--text);border-color:var(--text)}
.chip.active{background:var(--brand-orange);color:#fff;border-color:var(--brand-orange)}

/* ---------- Ranking table ---------- */
.rank-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.rank-head,.rank-row{
  display:grid;
  grid-template-columns:64px 1fr 110px;
  align-items:center;gap:12px;
}
.rank-head{
  background:var(--dark);padding:13px 16px;
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--on-dark);font-weight:700;
}
.rank-row{
  padding:11px 16px;border-top:1px solid var(--line);
  background:#fff;transition:.15s;cursor:pointer;
}
.rank-row:first-child{border-top:none}
.rank-row:hover{background:var(--surface-2)}
.rank-no{
  font-weight:800;font-size:15px;color:var(--muted);
  display:flex;align-items:center;gap:8px;
}
.rank-no.top{color:var(--brand-orange)}
.medal{font-size:16px}
.rank-athlete{display:flex;align-items:center;gap:13px;min-width:0}

/* AVATAR VUÔNG */
.avatar{
  width:46px;height:46px;flex-shrink:0;
  border-radius:var(--radius);
  object-fit:cover;background:var(--surface-2);
  border:1px solid var(--line);
}
.avatar.lg{width:96px;height:96px}
.avatar.sm{width:34px;height:34px}
.avatar-ph{
  display:flex;align-items:center;justify-content:center;
  font-weight:800;color:var(--brand-orange);font-size:15px;
  background:linear-gradient(135deg,rgba(251,175,67,.16),rgba(235,32,41,.12));
}
.rank-name{font-weight:600;font-size:15px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-sub{font-size:11.5px;color:var(--muted)}
/* SỐ ĐIỂM: đen, đậm */
.rank-score{font-weight:800;font-size:18px;text-align:right;font-variant-numeric:tabular-nums;color:var(--text)}
.tier{
  justify-self:end;min-width:52px;text-align:center;
  padding:5px 10px;border-radius:var(--radius);
  font-size:12px;font-weight:800;letter-spacing:.04em;
}
.tier-aplus  {background:var(--brand-red);   color:#fff}
.tier-a      {background:var(--brand-orange);color:#fff}
.tier-b      {background:#FFF1DA;color:#A8630C;border:1px solid #F6D9A8}
.tier-bminus {background:#F2F2F4;color:#6B6B75;border:1px solid var(--line-2)}

/* ---------- Cards ---------- */
.grid{display:grid;gap:16px}
.grid-3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fill,minmax(215px,1fr))}
.card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;transition:.18s;
}
.card:hover{border-color:var(--brand-orange);box-shadow:var(--shadow)}
.card-banner{aspect-ratio:16/7;object-fit:cover;width:100%;background:var(--surface-2)}
.card-body{padding:15px}
.card-body h3{font-size:16px;font-weight:700;margin-bottom:5px;color:var(--text)}
.card-meta{font-size:12.5px;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap}
.badge{
  display:inline-block;padding:3px 9px;border-radius:var(--radius);
  font-size:10.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
}
.badge-draft   {background:#F2F2F4;color:#6B6B75}
.badge-open    {background:#FFF1DA;color:#A8630C}
.badge-running {background:var(--brand-orange);color:#fff}
.badge-finished{background:var(--brand-red);color:#fff}

/* member card — ảnh vuông */
.member{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.18s}
.member:hover{box-shadow:var(--shadow)}
.member-photo{aspect-ratio:1/1;object-fit:cover;width:100%;background:var(--surface-2)}
.member-body{padding:14px}
.member-body h4{font-size:15px;font-weight:700}
.member-body .role{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-orange);font-weight:800;margin:4px 0 7px}
.member-body p{font-size:13px;color:var(--muted)}

/* ---------- Slider ---------- */
.slider{position:relative;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface-2)}
.slides{display:flex;transition:transform .45s cubic-bezier(.4,0,.2,1)}
.slide{min-width:100%;position:relative}
.slide img{aspect-ratio:16/10;object-fit:cover;width:100%;background:var(--surface-2)}
.slide-cap{
  position:absolute;left:0;right:0;bottom:0;padding:20px;color:#fff;
  background:linear-gradient(transparent,rgba(0,0,0,.8));font-size:14px;font-weight:600;
}
.slider-btn{
  position:absolute;top:50%;transform:translateY(-50%);
  background:rgba(16,16,18,.6);border:none;color:#fff;
  width:40px;height:40px;border-radius:var(--radius);cursor:pointer;font-size:18px;
}
.slider-btn:hover{background:var(--brand-orange)}
.slider-btn.prev{left:12px}.slider-btn.next{right:12px}
.dots{display:flex;gap:6px;justify-content:center;padding:12px}
.dot{width:22px;height:3px;background:var(--line-2);border:none;cursor:pointer;border-radius:2px}
.dot.active{background:var(--brand-orange)}

/* ---------- Bracket ---------- */
.bracket{display:flex;gap:34px;overflow-x:auto;padding:10px 2px 20px}
.bracket-round{min-width:230px;display:flex;flex-direction:column;justify-content:space-around;gap:14px}
.bracket-round h5{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--brand-orange);font-weight:800;margin-bottom:4px}
.bmatch{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}
.bteam{display:flex;justify-content:space-between;padding:9px 12px;font-size:13px;gap:10px}
.bteam+.bteam{border-top:1px solid var(--line)}
.bteam.win{background:#FFF4EC;font-weight:700;box-shadow:inset 3px 0 0 var(--brand-orange)}
.bteam span:first-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bteam b{font-variant-numeric:tabular-nums;color:var(--text)}

/* ---------- Tables ---------- */
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px;background:#fff}
table.tbl th{
  background:var(--surface-2);padding:10px;text-align:left;
  font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:800;
  border-bottom:1px solid var(--line);
}
table.tbl td{padding:10px;border-top:1px solid var(--line);color:var(--text)}
table.tbl tbody tr:nth-child(-n+2) td:first-child{color:var(--brand-orange);font-weight:800}
.tbl-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}

/* ---------- Modal ---------- */
.modal{
  position:fixed;inset:0;background:rgba(16,16,18,.55);z-index:100;
  display:none;align-items:center;justify-content:center;padding:20px;
}
.modal.open{display:flex}
.modal-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  width:min(680px,96vw);max-height:88vh;overflow:auto;box-shadow:0 20px 60px rgba(0,0,0,.25);
}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}
.modal-head h3{font-size:17px;font-weight:800}
.modal-body{padding:20px}
.x{background:none;border:none;color:var(--muted);font-size:24px;cursor:pointer;line-height:1}

/* ---------- Buttons ---------- */
.btn{
  padding:10px 18px;border-radius:var(--radius);border:1px solid var(--line-2);
  background:#fff;color:var(--text);font-weight:700;font-size:13px;
  cursor:pointer;transition:.15s;letter-spacing:.03em;
}
.btn:hover{border-color:var(--text)}
.btn-primary{background:var(--brand-orange);color:#fff;border-color:var(--brand-orange)}
.btn-primary:hover{background:#E2661D;border-color:#E2661D}
.btn-danger{background:#fff;color:var(--brand-red);border-color:#F3B7B9}
.btn-danger:hover{background:var(--brand-red);color:#fff;border-color:var(--brand-red)}
.btn-sm{padding:6px 12px;font-size:12px}

/* ---------- Footer (nền đen) ---------- */
.site-footer{background:var(--dark);color:var(--on-dark-muted);padding:34px 0;font-size:13px;margin-top:20px}
.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
.site-footer a{color:var(--on-dark)}

.empty{text-align:center;padding:56px 20px;color:var(--muted);font-size:14px}

/* ---------- Responsive ---------- */
@media(max-width:820px){
  .burger{display:block}
  .nav{
    display:none;position:absolute;top:72px;left:0;right:0;
    background:var(--dark);border-bottom:1px solid var(--dark-2);
    flex-direction:column;padding:10px;gap:2px;
  }
  .nav.open{display:flex}
  .nav a{padding:12px 14px}
  .rank-head,.rank-row{grid-template-columns:44px 1fr 80px;gap:8px;padding:10px}
  .avatar{width:40px;height:40px}
  .rank-score{font-size:16px}
  .tier{min-width:44px;font-size:11px;padding:4px 6px}
  .hero{padding:38px 0 26px}
  .hb-cap{padding:12px 14px;font-size:13px}
  .hb-btn{width:32px;height:32px;font-size:17px}
}