/* =====================================================================
   Thiên Long 2D — hệ thống giao diện
   Tự chứa hoàn toàn: không Bootstrap, không jQuery, không CDN ngoài.
   Thay thế cho: bootstrap.min.css + font-awesome.css + styles.css (188KB)
                 + head.css + app.css + dataTables.bootstrap4.min.css
   ===================================================================== */

/* ---------------------------------------------------------------
   1. Biến thiết kế
   --------------------------------------------------------------- */
:root {
  /* Nền: mực tàu chuyển dần sang xanh đêm */
  --ink-900: #05080f;
  --ink-800: #080d18;
  --ink-700: #0d1424;
  --ink-600: #131c30;
  --ink-500: #1a2540;

  /* Vàng kim — màu chủ đạo của võ hiệp */
  --gold-300: #ffe6a8;
  --gold-400: #f5cf80;
  --gold-500: #e0ac4d;
  --gold-600: #b8862f;

  /* Màu phụ trợ */
  --jade:     #43d9a3;
  --jade-dim: #1d7d5e;
  --blood:    #ff5f6d;
  --azure:    #55b7ff;
  --violet:   #9d7bff;

  --text:      #e8edf7;
  --text-soft: #a5b2c9;
  --text-dim:  #6f7d96;

  --line:       rgba(255, 255, 255, .09);
  --line-strong: rgba(245, 207, 128, .32);

  --radius-sm: 8px;
  --radius:    14px;
  --radius-lg: 20px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .35);
  --shadow:    0 12px 32px rgba(0, 0, 0, .45);
  --shadow-gold: 0 8px 30px rgba(224, 172, 77, .22);

  --ease: cubic-bezier(.22, .8, .3, 1);

  --sidebar-w: 262px;
  --topbar-h:  68px;

  --font: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue",
          "Noto Sans", Roboto, Arial, sans-serif;
}

/* ---------------------------------------------------------------
   2. Nền tảng
   --------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--ink-900);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Lớp nền động: ba quầng sáng trôi rất chậm, không ảnh -> không tốn băng thông */
body::before {
  content: "";
  position: fixed;
  inset: -20%;
  z-index: -2;
  background:
    radial-gradient(46% 38% at 12% 8%,  rgba(224, 172, 77, .13), transparent 62%),
    radial-gradient(42% 40% at 88% 16%, rgba(85, 183, 255, .11), transparent 60%),
    radial-gradient(58% 46% at 50% 104%, rgba(157, 123, 255, .12), transparent 65%);
  animation: drift 26s var(--ease) infinite alternate;
}

/* Vân lụa mờ, tạo chiều sâu cho nền phẳng */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .5;
  background-image:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 30%, #000 10%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 10%, transparent 78%);
}

@keyframes drift {
  from { transform: translate3d(-2%, -1%, 0) scale(1);    }
  to   { transform: translate3d( 2%,  2%, 0) scale(1.08); }
}

img { max-width: 100%; height: auto; display: block; }
a   { color: var(--gold-400); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--gold-300); }

h1, h2, h3, h4 { margin: 0 0 .5rem; line-height: 1.25; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); }
h2 { font-size: clamp(1.3rem, 2.6vw, 1.7rem); }
h3 { font-size: 1.15rem; }
p  { margin: 0 0 .8rem; }

:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: 2px;
  border-radius: 6px;
}

::selection { background: rgba(224, 172, 77, .3); color: #fff; }

/* Thanh cuộn */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--ink-800); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--gold-600), var(--ink-500));
  border-radius: 6px;
  border: 2px solid var(--ink-800);
}
::-webkit-scrollbar-thumb:hover { background: var(--gold-500); }

/* Icon SVG nội tuyến */
.ico {
  width: 1.15em; height: 1.15em;
  fill: currentColor;
  flex: 0 0 auto;
  vertical-align: -.18em;
}

/* ---------------------------------------------------------------
   3. Tiện ích
   --------------------------------------------------------------- */
.wrap        { width: min(1240px, 100% - 2rem); margin-inline: auto; }
.stack       { display: grid; gap: 1rem; }
.row-flex    { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }
.between     { display: flex; gap: 1rem; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.center      { text-align: center; }
.muted       { color: var(--text-soft); }
.dim         { color: var(--text-dim); font-size: .88rem; }
.nowrap      { white-space: nowrap; }
.mt-0 { margin-top: 0 } .mb-0 { margin-bottom: 0 }
.mt-1 { margin-top: .5rem } .mt-2 { margin-top: 1rem } .mt-3 { margin-top: 1.5rem }
.hidden      { display: none !important; }
.grow        { flex: 1 1 auto; min-width: 0; }
.truncate    { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.gold {
  background: linear-gradient(96deg, var(--gold-300), var(--gold-500) 42%, var(--gold-300) 78%);
  background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  animation: shimmer 7s linear infinite;
}
@keyframes shimmer { to { background-position: 220% 0; } }

.grid { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(168px, 1fr)); }

/* ---------------------------------------------------------------
   4. Thẻ (card)
   --------------------------------------------------------------- */
.card {
  position: relative;
  background: linear-gradient(168deg, rgba(19,28,48,.94), rgba(8,13,24,.94));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

/* Vạch sáng vàng chạy dọc mép trên mỗi thẻ */
.card::before {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.card-head {
  display: flex; align-items: center; gap: .6rem;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.02);
}
.card-head h2, .card-head h3 { margin: 0; font-size: 1.05rem; }
.card-head .ico { color: var(--gold-400); width: 1.3em; height: 1.3em; }
.card-body { padding: 1.15rem; }
.card-foot {
  padding: .85rem 1.15rem;
  border-top: 1px solid var(--line);
  background: rgba(0,0,0,.22);
}

/* Thẻ có thể bấm: nhấc lên khi rê chuột */
.card-link {
  display: block; color: inherit;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}
.card-link:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow), var(--shadow-gold);
  color: inherit;
}

/* ---------------------------------------------------------------
   5. Ô thống kê
   --------------------------------------------------------------- */
.stat {
  position: relative;
  padding: 1.05rem 1.15rem;
  background: linear-gradient(160deg, rgba(26,37,64,.85), rgba(8,13,24,.9));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .28s var(--ease), border-color .28s var(--ease);
}
.stat:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.stat::after {
  content: "";
  position: absolute; right: -22px; top: -22px;
  width: 92px; height: 92px; border-radius: 50%;
  background: radial-gradient(circle, rgba(224,172,77,.16), transparent 68%);
}
.stat-label { display: flex; align-items: center; gap: .4rem; font-size: .8rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .06em; }
.stat-value { font-size: clamp(1.35rem, 3.6vw, 1.85rem); font-weight: 800; line-height: 1.15; margin-top: .3rem; }
.stat-sub   { font-size: .82rem; color: var(--text-soft); }
.stat.is-jade  .stat-value { color: var(--jade); }
.stat.is-gold  .stat-value { color: var(--gold-400); }
.stat.is-blood .stat-value { color: var(--blood); }
.stat.is-azure .stat-value { color: var(--azure); }

/* ---------------------------------------------------------------
   6. Nút
   --------------------------------------------------------------- */
.btn {
  --btn-bg: linear-gradient(135deg, var(--gold-500), var(--gold-600));
  --btn-fg: #221704;
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .68rem 1.25rem;
  font: inherit; font-weight: 700; font-size: .95rem;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 0; border-radius: var(--radius-sm);
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  text-decoration: none;
  transition: transform .18s var(--ease), box-shadow .25s var(--ease), filter .2s var(--ease);
}
.btn:hover  { transform: translateY(-2px); box-shadow: var(--shadow-gold); filter: brightness(1.06); color: var(--btn-fg); }
.btn:active { transform: translateY(0); }
.btn[disabled], .btn.is-busy { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }

/* Vệt sáng quét ngang khi rê chuột */
.btn::after {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(105deg, transparent 38%, rgba(255,255,255,.42) 50%, transparent 62%);
  transform: translateX(-110%);
  transition: transform .65s var(--ease);
}
.btn:hover::after { transform: translateX(110%); }

.btn-ghost   { --btn-bg: transparent; --btn-fg: var(--gold-400); border: 1px solid var(--line-strong); }
.btn-ghost:hover { background: rgba(224,172,77,.1); }
.btn-dark    { --btn-bg: linear-gradient(135deg, var(--ink-500), var(--ink-700)); --btn-fg: var(--text); border: 1px solid var(--line); }
.btn-jade    { --btn-bg: linear-gradient(135deg, var(--jade), var(--jade-dim)); --btn-fg: #04231a; }
.btn-danger  { --btn-bg: linear-gradient(135deg, #ff7683, #c9313f); --btn-fg: #2a0509; }
.btn-block   { display: flex; width: 100%; }
.btn-sm      { padding: .42rem .8rem; font-size: .85rem; }
.btn-lg      { padding: .85rem 1.7rem; font-size: 1.05rem; }

/* Gợn sóng khi bấm (JS thêm phần tử .ripple) */
.ripple {
  position: absolute; border-radius: 50%;
  background: rgba(255,255,255,.45);
  transform: scale(0); opacity: .7;
  animation: ripple .6s var(--ease) forwards;
  pointer-events: none; z-index: -1;
}
@keyframes ripple { to { transform: scale(2.6); opacity: 0; } }

/* Vòng xoay chờ trong nút */
.btn .spin {
  width: 1em; height: 1em; border-radius: 50%;
  border: 2px solid currentColor; border-top-color: transparent;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------------------------------------------------------
   7. Biểu mẫu
   --------------------------------------------------------------- */
.field { margin-bottom: 1rem; }
.label {
  display: flex; align-items: center; gap: .35rem;
  margin-bottom: .38rem;
  font-size: .87rem; font-weight: 600; color: var(--text-soft);
}
.label .req { color: var(--blood); }

.input, .select, textarea.input {
  width: 100%;
  padding: .72rem .9rem;
  font: inherit; font-size: .95rem;
  color: var(--text);
  background: rgba(5, 8, 15, .72);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
  -webkit-appearance: none; appearance: none;
}
.input::placeholder { color: var(--text-dim); }
.input:focus, .select:focus {
  outline: none;
  border-color: var(--gold-500);
  background: rgba(5, 8, 15, .95);
  box-shadow: 0 0 0 3px rgba(224, 172, 77, .16);
}
.input:disabled { opacity: .6; cursor: not-allowed; }

.select {
  padding-right: 2.4rem;
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23a5b2c9'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .6rem center;
  background-size: 1.35em;
}
.select option { background: var(--ink-700); color: var(--text); }

.field-hint  { margin-top: .3rem; font-size: .8rem; color: var(--text-dim); }
.field-error { margin-top: .3rem; font-size: .82rem; color: var(--blood); }
.input.is-error { border-color: var(--blood); box-shadow: 0 0 0 3px rgba(255,95,109,.14); }

/* Ô nhập có nút bên trong */
.input-group { display: flex; }
.input-group .input { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.input-group .btn   { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }

/* Chọn nhanh mệnh giá */
.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip {
  padding: .45rem .85rem;
  font-size: .88rem; font-weight: 600;
  color: var(--text-soft);
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: all .2s var(--ease);
}
.chip:hover { border-color: var(--line-strong); color: var(--gold-300); transform: translateY(-2px); }
.chip.is-active { background: rgba(224,172,77,.16); border-color: var(--gold-500); color: var(--gold-300); }

/* ---------------------------------------------------------------
   8. Thông báo & nhãn
   --------------------------------------------------------------- */
.alert {
  display: flex; gap: .65rem; align-items: flex-start;
  padding: .85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  border-left-width: 3px;
  background: rgba(255,255,255,.035);
  font-size: .92rem;
}
.alert .ico { margin-top: .15em; }
.alert-info    { border-left-color: var(--azure);  color: #cfe8ff; }
.alert-success { border-left-color: var(--jade);   color: #bff3e0; }
.alert-error   { border-left-color: var(--blood);  color: #ffd3d7; }
.alert-warn    { border-left-color: var(--gold-500); color: var(--gold-300); }

.badge {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .2rem .6rem;
  font-size: .78rem; font-weight: 700;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
  color: var(--text-soft);
  white-space: nowrap;
}
.badge-gold  { color: var(--gold-300); border-color: rgba(224,172,77,.4);  background: rgba(224,172,77,.12); }
.badge-jade  { color: var(--jade);     border-color: rgba(67,217,163,.4);  background: rgba(67,217,163,.12); }
.badge-blood { color: var(--blood);    border-color: rgba(255,95,109,.4);  background: rgba(255,95,109,.12); }
.badge-dim   { color: var(--text-dim); }

/* ---------------------------------------------------------------
   9. Bảng
   --------------------------------------------------------------- */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  -webkit-overflow-scrolling: touch;
}
.table { width: 100%; border-collapse: collapse; font-size: .91rem; }
.table th, .table td { padding: .72rem .85rem; text-align: left; white-space: nowrap; }
.table thead th {
  position: sticky; top: 0; z-index: 1;
  background: linear-gradient(var(--ink-600), var(--ink-700));
  color: var(--gold-300);
  font-size: .8rem; text-transform: uppercase; letter-spacing: .05em;
  border-bottom: 1px solid var(--line-strong);
}
.table tbody tr { border-top: 1px solid var(--line); transition: background .18s var(--ease); }
.table tbody tr:hover { background: rgba(224,172,77,.055); }
.table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.table .empty { padding: 2.4rem 1rem; text-align: center; color: var(--text-dim); }

/* Cột sắp xếp được */
.table th a { color: inherit; display: inline-flex; align-items: center; gap: .25rem; }
.table th a:hover { color: var(--gold-400); }

/* ---------------------------------------------------------------
   10. Thanh trên cùng
   --------------------------------------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 60;
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 1rem;
  padding-inline: clamp(.85rem, 3vw, 1.6rem);
  background: rgba(5, 8, 15, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 800; letter-spacing: .02em; }
.brand img { height: 42px; width: auto; transition: transform .3s var(--ease); }
.brand:hover img { transform: scale(1.07); }
.brand span { font-size: 1.02rem; }

.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: .6rem; }

.purse {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .38rem .8rem;
  border-radius: 999px;
  border: 1px solid rgba(224,172,77,.34);
  background: linear-gradient(135deg, rgba(224,172,77,.16), rgba(224,172,77,.05));
  font-weight: 700; color: var(--gold-300);
  white-space: nowrap;
}
.purse .ico { color: var(--gold-400); }

/* Menu tài khoản */
.dropdown { position: relative; }
.dropdown-toggle {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .38rem .75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
  color: var(--text); font: inherit; font-weight: 600;
  cursor: pointer;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.dropdown-toggle:hover { border-color: var(--line-strong); background: rgba(255,255,255,.09); }
.dropdown-menu {
  position: absolute; right: 0; top: calc(100% + .5rem);
  min-width: 210px;
  padding: .4rem;
  background: var(--ink-700);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
  z-index: 70;
}
.dropdown.is-open .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a {
  display: flex; align-items: center; gap: .55rem;
  padding: .55rem .7rem;
  border-radius: var(--radius-sm);
  color: var(--text-soft); font-size: .92rem;
}
.dropdown-menu a:hover { background: rgba(255,255,255,.07); color: var(--gold-300); }
.dropdown-sep { height: 1px; margin: .35rem .3rem; background: var(--line); }

/* Nút mở menu trên điện thoại */
.burger {
  display: none;
  padding: .45rem; border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05); color: var(--text);
  cursor: pointer;
}
.burger .ico { width: 1.4em; height: 1.4em; }

/* ---------------------------------------------------------------
   11. Dòng chữ chạy
   --------------------------------------------------------------- */
.marquee {
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(224,172,77,.1), rgba(85,183,255,.07));
}
.marquee-track {
  display: inline-flex; align-items: center; gap: 3rem;
  padding: .5rem 0;
  white-space: nowrap;
  animation: marquee 28s linear infinite;
  font-size: .9rem; color: var(--gold-300);
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------------------------------------------------------------
   12. Bố cục ứng dụng (thanh bên + nội dung)
   --------------------------------------------------------------- */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  gap: 1.35rem;
  width: min(1320px, 100% - 2rem);
  margin: 1.35rem auto 3rem;
  align-items: start;
}

.sidebar {
  position: sticky; top: calc(var(--topbar-h) + 1.35rem);
  padding: .55rem;
  background: linear-gradient(168deg, rgba(19,28,48,.92), rgba(8,13,24,.94));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.side-title {
  padding: .55rem .75rem .3rem;
  font-size: .74rem; text-transform: uppercase; letter-spacing: .1em;
  color: var(--text-dim);
}
.side-link {
  position: relative;
  display: flex; align-items: center; gap: .65rem;
  padding: .62rem .75rem;
  margin-bottom: .18rem;
  border-radius: var(--radius-sm);
  color: var(--text-soft); font-size: .93rem; font-weight: 600;
  transition: background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}
.side-link .ico { color: var(--text-dim); transition: color .2s var(--ease); }
.side-link:hover { background: rgba(255,255,255,.06); color: var(--text); transform: translateX(3px); }
.side-link:hover .ico { color: var(--gold-400); }
.side-link.is-active {
  background: linear-gradient(90deg, rgba(224,172,77,.18), transparent);
  color: var(--gold-300);
}
.side-link.is-active .ico { color: var(--gold-400); }
.side-link.is-active::before {
  content: "";
  position: absolute; left: 0; top: 18%; bottom: 18%;
  width: 3px; border-radius: 0 3px 3px 0;
  background: linear-gradient(var(--gold-400), var(--gold-600));
}
.side-link .badge { margin-left: auto; }
.side-sep { height: 1px; margin: .55rem .5rem; background: var(--line); }

/* Đường dẫn phân cấp */
.crumbs { display: flex; align-items: center; gap: .45rem; font-size: .86rem; color: var(--text-dim); margin-bottom: .9rem; }
.crumbs a { color: var(--text-soft); }
.crumbs a:hover { color: var(--gold-400); }

.page-title { display: flex; align-items: center; gap: .6rem; margin-bottom: 1.1rem; }
.page-title .ico { width: 1.5em; height: 1.5em; color: var(--gold-400); }

/* ---------------------------------------------------------------
   13. Trang khách (đăng nhập / đăng ký / quên mật khẩu)
   --------------------------------------------------------------- */
.guest {
  min-height: 100vh;
  display: grid; place-items: center;
  padding: 2rem 1rem 3rem;
}
.guest-inner { width: min(460px, 100%); }
.guest-logo { text-align: center; margin-bottom: 1.4rem; }
.guest-logo img {
  height: clamp(76px, 15vw, 118px);
  margin-inline: auto;
  filter: drop-shadow(0 6px 26px rgba(224,172,77,.4));
  animation: float 5.5s var(--ease) infinite alternate;
}
@keyframes float { from { transform: translateY(-5px); } to { transform: translateY(5px); } }

.guest-tabs { display: flex; gap: .4rem; margin-bottom: 1.1rem; }
.guest-tabs a {
  flex: 1; text-align: center;
  padding: .6rem .5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  color: var(--text-soft); font-weight: 700; font-size: .92rem;
  background: rgba(255,255,255,.03);
  transition: all .22s var(--ease);
}
.guest-tabs a:hover { border-color: var(--line-strong); color: var(--gold-300); }
.guest-tabs a.is-active {
  background: linear-gradient(135deg, rgba(224,172,77,.2), rgba(224,172,77,.07));
  border-color: var(--gold-500); color: var(--gold-300);
}

.guest-foot { margin-top: 1.4rem; text-align: center; font-size: .85rem; color: var(--text-dim); }

/* ---------------------------------------------------------------
   14. Ô thông báo nổi (toast)
   --------------------------------------------------------------- */
.toasts {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 200;
  display: flex; flex-direction: column; gap: .6rem;
  width: min(360px, calc(100vw - 2rem));
  pointer-events: none;
}
.toast {
  display: flex; gap: .6rem; align-items: flex-start;
  padding: .8rem .95rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  border-left: 3px solid var(--azure);
  background: rgba(13, 20, 36, .97);
  box-shadow: var(--shadow);
  font-size: .91rem;
  pointer-events: auto;
  animation: toast-in .38s var(--ease);
}
.toast.out { animation: toast-out .3s var(--ease) forwards; }
.toast.success { border-left-color: var(--jade); }
.toast.error   { border-left-color: var(--blood); }
.toast.warn    { border-left-color: var(--gold-500); }
.toast .ico    { margin-top: .12em; }
.toast.success .ico { color: var(--jade); }
.toast.error   .ico { color: var(--blood); }
.toast.warn    .ico { color: var(--gold-400); }
.toast.info    .ico { color: var(--azure); }
.toast-close {
  margin-left: auto; padding: 0; border: 0; background: none;
  color: var(--text-dim); cursor: pointer; line-height: 1;
}
.toast-close:hover { color: var(--text); }

@keyframes toast-in  { from { opacity: 0; transform: translateX(28px) scale(.96); } }
@keyframes toast-out { to   { opacity: 0; transform: translateX(28px) scale(.96); } }

/* ---------------------------------------------------------------
   15. Hộp thoại
   --------------------------------------------------------------- */
.modal {
  position: fixed; inset: 0; z-index: 150;
  display: grid; place-items: center;
  padding: 1rem;
  background: rgba(3, 6, 12, .76);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  opacity: 0; visibility: hidden;
  transition: opacity .25s var(--ease), visibility .25s;
}
.modal.is-open { opacity: 1; visibility: visible; }
.modal-box {
  width: min(520px, 100%);
  max-height: 88vh; overflow-y: auto;
  background: linear-gradient(168deg, var(--ink-600), var(--ink-800));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow), var(--shadow-gold);
  transform: translateY(18px) scale(.97);
  transition: transform .3s var(--ease);
}
.modal.is-open .modal-box { transform: none; }
.modal-head {
  display: flex; align-items: center; gap: .55rem;
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--line);
}
.modal-head h3 { margin: 0; }
.modal-head .ico { color: var(--gold-400); width: 1.35em; height: 1.35em; }
.modal-head .modal-x {
  margin-left: auto; padding: .25rem; border: 0; border-radius: 6px;
  background: none; color: var(--text-dim); cursor: pointer; line-height: 0;
}
.modal-head .modal-x:hover { color: var(--blood); background: rgba(255,95,109,.12); }
.modal-body { padding: 1.25rem; }
.modal-foot { display: flex; gap: .6rem; justify-content: flex-end; flex-wrap: wrap; padding: 1rem 1.25rem; border-top: 1px solid var(--line); }

/* ---------------------------------------------------------------
   16. Hiện dần khi cuộn tới
   --------------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(20px); }
.reveal.shown {
  opacity: 1; transform: none;
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.reveal.shown:nth-child(2) { transition-delay: .06s; }
.reveal.shown:nth-child(3) { transition-delay: .12s; }
.reveal.shown:nth-child(4) { transition-delay: .18s; }
.reveal.shown:nth-child(5) { transition-delay: .24s; }
.reveal.shown:nth-child(6) { transition-delay: .3s; }

/* ---------------------------------------------------------------
   17. Thành phần riêng của trang
   --------------------------------------------------------------- */

/* Ô chức năng ở trang chủ */
.tile {
  display: flex; flex-direction: column; align-items: center; gap: .55rem;
  padding: 1.4rem 1rem;
  text-align: center;
  color: var(--text);
  background: linear-gradient(165deg, rgba(26,37,64,.75), rgba(8,13,24,.85));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.tile:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: var(--shadow-gold); color: var(--text); }
.tile .ico { width: 2.1em; height: 2.1em; color: var(--gold-400); transition: transform .3s var(--ease); }
.tile:hover .ico { transform: scale(1.14) rotate(-5deg); }
.tile b { font-size: .95rem; }
.tile small { color: var(--text-dim); font-size: .8rem; line-height: 1.35; }

/* Khu vực mã QR chuyển khoản */
.qr-panel { display: grid; gap: 1.2rem; grid-template-columns: minmax(0, 240px) minmax(0, 1fr); align-items: start; }
.qr-img {
  padding: .6rem; border-radius: var(--radius);
  background: #fff; box-shadow: var(--shadow);
}
.kv { display: grid; grid-template-columns: auto 1fr; gap: .45rem 1rem; font-size: .93rem; }
.kv dt { color: var(--text-dim); }
.kv dd { margin: 0; font-weight: 600; word-break: break-word; }
.copy-line { display: flex; align-items: center; gap: .5rem; }

/* Đồng hồ đếm ngược */
.countdown { font-variant-numeric: tabular-nums; font-weight: 800; color: var(--gold-300); }

/* Danh sách nhân vật dạng thẻ */
.char-card {
  display: flex; align-items: center; gap: .8rem;
  padding: .85rem 1rem;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}
.char-card:hover { border-color: var(--line-strong); transform: translateX(4px); }
.char-avatar {
  width: 44px; height: 44px; flex: 0 0 auto;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
  color: #1c1204; font-weight: 800;
}

/* Bảng giá dịch vụ pet */
.price-tag { display: inline-flex; align-items: center; gap: .3rem; color: var(--gold-300); font-weight: 700; }

/* ---------------------------------------------------------------
   18. Chân trang
   --------------------------------------------------------------- */
.footer {
  margin-top: 2.5rem;
  padding: 1.6rem 1rem 2rem;
  border-top: 1px solid var(--line);
  text-align: center;
  color: var(--text-dim); font-size: .86rem;
  background: rgba(5, 8, 15, .55);
}
.footer a { color: var(--text-soft); }
.footer a:hover { color: var(--gold-400); }

/* ---------------------------------------------------------------
   19. Màn hình nhỏ
   --------------------------------------------------------------- */
@media (max-width: 980px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .burger { display: inline-flex; }

  .sidebar {
    position: fixed; inset: var(--topbar-h) auto 0 0;
    z-index: 90;
    width: min(280px, 84vw);
    border-radius: 0 var(--radius) var(--radius) 0;
    overflow-y: auto;
    transform: translateX(-102%);
    transition: transform .3s var(--ease);
  }
  .sidebar.is-open { transform: none; }

  .scrim {
    position: fixed; inset: var(--topbar-h) 0 0; z-index: 80;
    background: rgba(3, 6, 12, .66);
    opacity: 0; visibility: hidden;
    transition: opacity .3s var(--ease), visibility .3s;
  }
  .scrim.is-open { opacity: 1; visibility: visible; }

  .qr-panel { grid-template-columns: minmax(0, 1fr); justify-items: center; }
  .kv { width: 100%; }
}

@media (max-width: 560px) {
  body { font-size: 14.5px; }
  .card-body, .card-head, .card-foot { padding: .95rem; }
  .brand span { display: none; }
  .purse { padding: .3rem .6rem; font-size: .85rem; }
  .topbar { gap: .55rem; }
  .table th, .table td { padding: .6rem .55rem; font-size: .86rem; }
  .modal-foot { justify-content: stretch; }
  .modal-foot .btn { flex: 1; }
}

/* ---------------------------------------------------------------
   20. Tôn trọng tuỳ chọn giảm chuyển động của hệ điều hành
   --------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* In ra giấy */
@media print {
  .topbar, .sidebar, .footer, .marquee, .toasts, .btn { display: none !important; }
  body { background: #fff; color: #000; }
  .card { border: 1px solid #ccc; box-shadow: none; }
}