@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  --bg-dark:       #0b0e11;
  --bg-darker:     #060708;
  --bg-card:       #1e2329;
  --bg-card2:      #2b3139;
  --bg-sidebar:    #181a20;
  --bg-input:      #2b3139;

  --primary:       #f0b90b;
  --primary-hover: #f8d12f;
  --primary-glow:  rgba(240,185,11,0.12);
  --primary-deep:  rgba(240,185,11,0.06);

  --green:         #02c076;
  --green-glow:    rgba(2,192,118,0.12);
  --red:           #f6465d;
  --red-glow:      rgba(246,70,93,0.12);
  --blue:          #1890ff;
  --blue-glow:     rgba(24,144,255,0.12);

  --text-primary:  #eaecef;
  --text-secondary:#b7bdc6;
  --text-muted:    #848e9c;

  --border:        #2b3139;
  --border-light:  #363c45;

  --sidebar-w:     250px;
  --font:          'Inter', sans-serif;
  --radius:        8px;
  --radius-lg:     14px;
  --radius-xl:     20px;
  --shadow:        0 4px 24px rgba(0,0,0,0.35);
  --shadow-lg:     0 8px 40px rgba(0,0,0,0.5);

  --transition:    0.18s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 14px;
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4,h5,h6 { font-family: var(--font); font-weight: 700; line-height: 1.2; }

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-hover); }

img { max-width: 100%; height: auto; display: block; }

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

@keyframes fadeInPage {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.page-content { animation: fadeInPage 0.35s ease both; }

.market-ticker {
  background: linear-gradient(90deg, #0d1117 0%, #161a22 40%, #0d1117 100%);
  border-bottom: 1px solid rgba(240,185,11,0.15);
  overflow: hidden;
  white-space: nowrap;
  height: 36px;
  display: flex;
  align-items: center;
  position: relative;
}
.market-ticker::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 60px;
  background: linear-gradient(to right, #0d1117, transparent);
  pointer-events: none;
  z-index: 2;
}
.market-ticker::after {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 60px;
  background: linear-gradient(to left, #0d1117, transparent);
  pointer-events: none;
  z-index: 2;
}
.ticker-track {
  display: flex;
  align-items: center;
  gap: 0;
  animation: ticker-scroll 35s linear infinite;
  will-change: transform;
}
.market-ticker:hover .ticker-track { animation-play-state: paused; }
@keyframes ticker-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.ticker-brand-item {
  display: inline-flex;
  align-items: center;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
  padding: 0 6px;
  letter-spacing: 0.3px;
  text-shadow: 0 0 12px rgba(240,185,11,0.4);
}
.ticker-sep-dot {
  color: rgba(240,185,11,0.35);
  font-size: 8px;
  padding: 0 10px;
  vertical-align: middle;
}
.ticker-brand-main {
  color: #FFD700 !important;
  font-size: 12.5px !important;
  text-shadow: 0 0 18px rgba(255,215,0,0.7), 0 0 6px rgba(255,215,0,0.4) !important;
  letter-spacing: 0.8px !important;
}

.ticker-elfx-item {
  display: inline-flex;
  align-items: center;
  font-size: 12.5px;
  font-weight: 800;
  white-space: nowrap;
  padding: 0 18px;
  letter-spacing: 1px;
  background: linear-gradient(90deg, #b8860b 0%, #FFD700 30%, #fff8dc 50%, #FFD700 70%, #b8860b 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: elfx-shimmer 3s linear infinite;
  filter: drop-shadow(0 0 8px rgba(255,215,0,0.5));
}
@keyframes elfx-shimmer {
  0%   { background-position: 200% center; }
  100% { background-position: -200% center; }
}
.ticker-item { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 600; white-space: nowrap; padding: 0 2px; }
.ticker-item .symbol { color: var(--text-primary); font-weight: 700; }
.ticker-item .price  { color: var(--text-secondary); font-variant-numeric: tabular-nums; }
.ticker-item .change.up   { color: var(--green); }
.ticker-item .change.down { color: var(--red); }
.ticker-sep { color: var(--border-light); font-size: 18px; }

.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  overflow: hidden;
  transition: transform 0.28s cubic-bezier(0.4,0,0.2,1);
}

.sidebar-logo {
  padding: 20px 20px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-sidebar) 100%);
  position: relative;
}
.sidebar-logo::after {
  content: '';
  position: absolute;
  bottom: 0; left: 20%; right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0.4;
}
.sidebar-logo-img {
  width: 168px;
  height: 168px;
  object-fit: contain;
  border-radius: 16px;
  border: 2px solid rgba(255,255,255,0.18);
  background: transparent;
  filter: drop-shadow(0 2px 14px rgba(240,185,11,0.2));
  transition: opacity var(--transition), transform var(--transition);
  display: block;
}
.sidebar-logo-img:hover { opacity: 0.9; transform: scale(1.03); }

.sidebar-nav { padding: 10px 0; flex: 1; overflow-y: auto; overflow-x: hidden; }

.nav-section-label {
  font-size: 9.5px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 18px 20px 6px;
  font-weight: 800;
  opacity: 0.6;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 20px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  border-left: 3px solid transparent;
  transition: all var(--transition);
  position: relative;
  border-radius: 0;
}
.sidebar-nav a:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
  border-left-color: var(--border-light);
}
.sidebar-nav a.active {
  color: var(--primary);
  background: var(--primary-deep);
  border-left-color: var(--primary);
}
.sidebar-nav a.active::before {
  content: '';
  position: absolute;
  right: 0; top: 20%; bottom: 20%;
  width: 3px;
  background: var(--primary);
  border-radius: 2px 0 0 2px;
  opacity: 0.4;
}
.nav-icon {
  width: 20px;
  text-align: center;
  font-size: 15px;
  flex-shrink: 0;
}
.badge-count {
  margin-left: auto;
  background: var(--red);
  color: #fff;
  font-size: 9.5px;
  padding: 2px 7px;
  border-radius: 99px;
  font-weight: 800;
  animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(0.92); }
}

.sidebar-footer {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--border);
  background: linear-gradient(0deg, var(--bg-darker), transparent);
  flex-shrink: 0;
}
.sidebar-user { display: flex; align-items: center; gap: 11px; }
.sidebar-user .avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #e0a800);
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 15px; color: #000;
  flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(240,185,11,0.3);
}
.sidebar-user .user-info .name { font-weight: 700; font-size: 13px; color: var(--text-primary); }
.sidebar-user .user-info .role { font-size: 10.5px; color: var(--green); font-weight: 600; }

.main-content { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  background: rgba(24,26,32,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.topbar-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}
.topbar-right { display: flex; align-items: center; gap: 10px; }
.topbar-btn {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 36px; height: 36px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  font-size: 16px;
}
.topbar-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-deep); }
.notif-dot {
  position: absolute; top: 6px; right: 6px;
  width: 7px; height: 7px;
  background: var(--red);
  border-radius: 50%;
  border: 2px solid var(--bg-sidebar);
  animation: pulse-dot 2s infinite;
}
.hamburger-btn {
  display: none;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 7px 11px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 16px;
  transition: all var(--transition);
  line-height: 1;
}
.hamburger-btn:hover { border-color: var(--primary); color: var(--primary); }

.page-content { padding: 22px; flex: 1; max-width: 1400px; width: 100%; }

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: all 0.22s;
  position: relative;
  overflow: hidden;
}
.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: transparent;
  transition: background var(--transition);
}
.stat-card:hover { border-color: var(--border-light); transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-card:hover::after { background: linear-gradient(90deg, var(--primary), transparent); }

.stat-icon {
  width: 42px; height: 42px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  margin-bottom: 14px;
  transition: transform 0.2s;
}
.stat-card:hover .stat-icon { transform: scale(1.08); }
.stat-icon.primary { background: var(--primary-glow); color: var(--primary); }
.stat-icon.green   { background: var(--green-glow); color: var(--green); }
.stat-icon.red     { background: var(--red-glow); color: var(--red); }
.stat-icon.neutral { background: var(--bg-card2); color: var(--text-secondary); }

.stat-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.stat-label  { font-size: 11.5px; color: var(--text-muted); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stat-change { font-size: 12px; font-weight: 700; margin-top: 6px; }
.stat-change.up   { color: var(--green); }
.stat-change.down { color: var(--red); }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition);
}
.card:hover { border-color: var(--border-light); }

.card-header {
  padding: 15px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  background: linear-gradient(90deg, rgba(240,185,11,0.03), transparent);
}
.card-header h5 { font-size: 14px; font-weight: 800; color: var(--text-primary); margin: 0; letter-spacing: -0.2px; }
.card-body { padding: 20px; }

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.data-table { width: 100%; border-collapse: collapse; min-width: 500px; }
.data-table th {
  background: var(--bg-darker);
  color: var(--text-muted);
  font-size: 10.5px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  font-weight: 700;
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  position: sticky;
  top: 0;
}
.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-primary);
  vertical-align: middle;
  transition: background var(--transition);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(240,185,11,0.025); }

.badge-status {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: capitalize;
}
.badge-pending  { background: var(--primary-glow); color: var(--primary); }
.badge-approved { background: var(--green-glow);   color: var(--green); }
.badge-rejected { background: var(--red-glow);     color: var(--red); }
.badge-active   { background: var(--green-glow);   color: var(--green); }
.badge-inactive { background: var(--red-glow);     color: var(--red); }

.btn-accent {
  background: linear-gradient(135deg, var(--primary), #e8a900);
  color: #000;
  font-weight: 700;
  font-size: 13.5px;
  border: none;
  padding: 10px 22px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 2px 12px rgba(240,185,11,0.2);
}
.btn-accent:hover { transform: translateY(-1px); box-shadow: 0 4px 18px rgba(240,185,11,0.35); color: #000; background: linear-gradient(135deg, var(--primary-hover), var(--primary)); }
.btn-accent:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 12.5px;
  border: 1px solid var(--border-light);
  padding: 8px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-deep); }

.btn-sm { padding: 5px 12px !important; font-size: 12px !important; }

.btn-success { background: var(--green-glow); color: var(--green); border: 1px solid rgba(2,192,118,0.3); font-weight: 700; padding: 7px 14px; border-radius: var(--radius); cursor: pointer; transition: all var(--transition); display: inline-flex; align-items: center; gap: 6px; }
.btn-success:hover { background: var(--green); color: #fff; }
.btn-danger  { background: var(--red-glow);   color: var(--red);   border: 1px solid rgba(246,70,93,0.3);  font-weight: 700; padding: 7px 14px; border-radius: var(--radius); cursor: pointer; transition: all var(--transition); display: inline-flex; align-items: center; gap: 6px; }
.btn-danger:hover  { background: var(--red); color: #fff; }

.btn-buy  { background: linear-gradient(135deg, var(--green), #01a865); color: #fff; font-weight: 700; font-size: 13.5px; border: none; padding: 11px 20px; border-radius: var(--radius); cursor: pointer; transition: all var(--transition); box-shadow: 0 2px 12px rgba(2,192,118,0.25); }
.btn-buy:hover  { transform: translateY(-1px); box-shadow: 0 4px 18px rgba(2,192,118,0.4); }
.btn-sell { background: linear-gradient(135deg, var(--red), #e02040);   color: #fff; font-weight: 700; font-size: 13.5px; border: none; padding: 11px 20px; border-radius: var(--radius); cursor: pointer; transition: all var(--transition); box-shadow: 0 2px 12px rgba(246,70,93,0.25); }
.btn-sell:hover { transform: translateY(-1px); box-shadow: 0 4px 18px rgba(246,70,93,0.4); }

.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 7px;
}
.form-control {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  padding: 11px 14px;
  font-size: 13.5px;
  font-family: var(--font);
  transition: all var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-control:focus { border-color: var(--primary); background: rgba(240,185,11,0.04); box-shadow: 0 0 0 3px rgba(240,185,11,0.08); }
.form-control::placeholder { color: var(--text-muted); }
select.form-control option { background: var(--bg-card2); color: var(--text-primary); }
.form-hint { font-size: 11.5px; color: var(--text-muted); margin-top: 5px; line-height: 1.4; }

.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border: 1px solid transparent;
  animation: slideDown 0.3s ease;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.alert-success { background: var(--green-glow); border-color: rgba(2,192,118,0.25); color: var(--green); }
.alert-danger  { background: var(--red-glow);   border-color: rgba(246,70,93,0.25);  color: var(--red); }
.alert-warning { background: var(--primary-glow);border-color: rgba(240,185,11,0.25);color: var(--primary); }
.alert-info    { background: var(--bg-card2);   border-color: var(--border-light);   color: var(--text-secondary); }

.grid-2       { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.grid-2-1     { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; }
.grid-1-2     { display: grid; grid-template-columns: 1fr 2fr; gap: 22px; }
.grid-trade   { display: grid; grid-template-columns: 2.2fr 1fr; gap: 18px; }
.grid-3       { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.grid-4       { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.grid-5       { display: grid; grid-template-columns: repeat(5,1fr); gap: 12px; }
.grid-portfolio { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 22px; align-items: center; }
.method-tabs-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 8px; }

.wallet-card {
  background: linear-gradient(135deg, #1e2329, #181a20);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  overflow: hidden;
}
.wallet-card::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(240,185,11,0.06), transparent 70%);
  pointer-events: none;
}
.wallet-address {
  background: var(--bg-darker);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-family: 'Courier New', monospace;
  font-size: 12.5px;
  color: var(--primary);
  word-break: break-all;
  cursor: pointer;
  transition: all var(--transition);
}
.wallet-address:hover { border-color: var(--primary); background: var(--primary-deep); }

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-dark);
  background-image:
    radial-gradient(circle at 15% 50%, rgba(240,185,11,0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(2,192,118,0.04) 0%, transparent 40%),
    radial-gradient(circle at 50% 80%, rgba(24,144,255,0.03) 0%, transparent 40%);
}
.auth-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 40px 36px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
  animation: authSlideIn 0.4s cubic-bezier(0.34,1.56,0.64,1) both;
}
@keyframes authSlideIn {
  from { opacity: 0; transform: translateY(30px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.auth-logo { text-align: center; margin-bottom: 28px; }
.auth-logo-img { width: 120px; height: 120px; object-fit: contain; display: block; margin: 0 auto 16px; border-radius: 18px; border: 2px solid rgba(255,255,255,0.2); filter: drop-shadow(0 2px 16px rgba(240,185,11,0.25)); }
.auth-logo h1 { font-size: 22px; font-weight: 900; color: var(--text-primary); }
.auth-logo p  { color: var(--text-muted); font-size: 13px; margin-top: 5px; }

.ref-level {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 10px;
  transition: border-color var(--transition);
}
.ref-level:hover { border-color: var(--border-light); }
.ref-level-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.ref-level-badge { background: var(--primary); color: #000; font-size: 11px; font-weight: 800; padding: 3px 10px; border-radius: 99px; letter-spacing: 0.5px; }

.progress-bar-wrap { background: var(--bg-darker); border-radius: 99px; height: 6px; overflow: hidden; }
.progress-bar-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--green)); border-radius: 99px; transition: width 1.2s cubic-bezier(0.4,0,0.2,1); }

.copy-toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(12px);
  background: var(--green); color: #fff;
  font-weight: 700; font-size: 13px;
  padding: 11px 24px; border-radius: var(--radius-xl);
  z-index: 99999;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.34,1.56,0.64,1);
  pointer-events: none;
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(2,192,118,0.4);
}
.copy-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.course-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.22s;
}
.course-card:hover { border-color: var(--border-light); transform: translateY(-3px); box-shadow: var(--shadow); }

.camera-box {
  background: var(--bg-darker);
  border: 2px dashed var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition);
}
.camera-box:hover { border-color: var(--primary); }
.camera-box video, .camera-box canvas, .camera-box img { width: 100%; height: 100%; object-fit: cover; }
.camera-box .face-guide { position: absolute; inset: 10%; border: 2px dashed var(--primary); border-radius: 50% / 40%; pointer-events: none; opacity: 0.5; }
.camera-placeholder { text-align: center; color: var(--text-muted); padding: 20px; }

.coin-icon { width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 13px; color: #fff; flex-shrink: 0; }
.coin-icon.usdt { background: #26a17b; }
.coin-icon.btc  { background: #f7931a; }
.coin-icon.eth  { background: #627eea; }
.coin-icon.bnb  { background: #f0b90b; color: #000; }

.market-tab {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 12.5px;
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.market-tab:hover { border-color: var(--primary); color: var(--primary); }
.market-tab.active { background: var(--primary); border-color: var(--primary); color: #000; }

.market-list-head, .market-row {
  display: grid;
  grid-template-columns: 2.2fr 1fr 0.9fr 1fr 1fr 1fr 1.7fr;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
}
.market-list-head {
  background: var(--bg-darker);
  color: var(--text-muted);
  font-size: 10.5px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  font-weight: 700;
  border-bottom: 1px solid var(--border);
  border-top: 1px solid var(--border);
}
.market-row { border-bottom: 1px solid var(--border); font-size: 13.5px; transition: background var(--transition); }
.market-row:last-child { border-bottom: none; }
.market-row:hover { background: rgba(240,185,11,0.025); }
.market-row .col-price, .market-row .col-change, .market-row .col-high, .market-row .col-low, .market-row .col-vol {
  font-variant-numeric: tabular-nums; font-weight: 600;
}
.coin-cell { display: flex; align-items: center; gap: 10px; }
.coin-cell .coin-img { width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0; }
.coin-cell .coin-name { font-weight: 700; font-size: 13.5px; line-height: 1.3; }
.coin-cell .coin-sub  { font-size: 11px; color: var(--text-muted); }
.price-main { font-weight: 800; }
.price-change-mobile { display: none; font-size: 12px; font-weight: 700; margin-top: 2px; }
.price-change-mobile.up   { color: var(--green); }
.price-change-mobile.down { color: var(--red); }
.col-change.up   { color: var(--green); }
.col-change.down { color: var(--red); }
.market-actions { display: flex; gap: 7px; justify-content: flex-end; flex-wrap: wrap; }
.btn-convert {
  background: var(--bg-card2);
  color: var(--text-primary);
  font-weight: 700;
  font-size: 12px;
  border: 1px solid var(--border-light);
  padding: 5px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  text-decoration: none;
}
.btn-convert:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-deep); }

.convert-box { max-width: 460px; margin: 0 auto; }
.convert-panel { background: var(--bg-card2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 16px 18px; }
.convert-panel label { font-size: 11px; color: var(--text-muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.convert-amount-row { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.convert-amount-row input { background: transparent; border: none; outline: none; color: var(--text-primary); font-size: 24px; font-weight: 800; width: 100%; font-family: var(--font); }
.convert-coin-select { display: flex; align-items: center; gap: 8px; background: var(--bg-card); border: 1px solid var(--border-light); border-radius: 20px; padding: 6px 14px 6px 8px; cursor: pointer; font-weight: 700; font-size: 13px; flex-shrink: 0; transition: border-color var(--transition); }
.convert-coin-select:hover { border-color: var(--primary); }
.convert-coin-select select { background: transparent; border: none; color: var(--text-primary); font-weight: 700; font-size: 13px; font-family: var(--font); outline: none; cursor: pointer; }
.convert-balance-line { margin-top: 8px; font-size: 12px; color: var(--text-muted); display: flex; justify-content: space-between; align-items: center; }
.convert-balance-line button { background: var(--primary-glow); color: var(--primary); border: none; font-weight: 700; font-size: 11px; padding: 2px 9px; border-radius: 4px; cursor: pointer; }
.convert-swap-btn { display: flex; align-items: center; justify-content: center; margin: -10px auto; width: 38px; height: 38px; background: var(--bg-card); border: 4px solid var(--bg-dark); border-radius: 50%; color: var(--primary); font-size: 16px; font-weight: 800; cursor: pointer; position: relative; z-index: 2; transition: all 0.25s; }
.convert-swap-btn:hover { transform: rotate(180deg); border-color: var(--primary); box-shadow: 0 0 14px rgba(240,185,11,0.2); }
.convert-rate-line { margin-top: 16px; font-size: 12.5px; color: var(--text-muted); display: flex; justify-content: space-between; padding-top: 14px; border-top: 1px solid var(--border); }
.convert-rate-line span:last-child { color: var(--text-primary); font-weight: 700; }

.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.75); z-index: 999; backdrop-filter: blur(2px); }
.sidebar-overlay.show { display: block; animation: fadeIn 0.2s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.topbar-logo-link { display: none; line-height: 0; }
.topbar-logo-img { height: 44px; width: 44px; object-fit: contain; border-radius: 8px; border: 1.5px solid rgba(255,255,255,0.2); filter: drop-shadow(0 1px 8px rgba(240,185,11,0.25)); }

@keyframes shimmer {
  0% { background-position: -600px 0; }
  100% { background-position: 600px 0; }
}
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card2) 50%, var(--bg-card) 75%);
  background-size: 600px 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius);
}

@keyframes flashGreen { 0%,100% { background: transparent; } 50% { background: rgba(2,192,118,0.15); } }
@keyframes flashRed   { 0%,100% { background: transparent; } 50% { background: rgba(246,70,93,0.15); } }
.flash-green { animation: flashGreen 0.6s ease; }
.flash-red   { animation: flashRed   0.6s ease; }

.glow-green { box-shadow: 0 0 20px rgba(2,192,118,0.2); }
.glow-red   { box-shadow: 0 0 20px rgba(246,70,93,0.2); }
.glow-gold  { box-shadow: 0 0 20px rgba(240,185,11,0.2); }

@keyframes arrowBounceUp   { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-3px)} }
@keyframes arrowBounceDown { 0%,100%{transform:translateY(0)} 50%{transform:translateY(3px)} }
.up.animated   { display:inline-block; animation: arrowBounceUp   0.5s ease; }
.down.animated { display:inline-block; animation: arrowBounceDown 0.5s ease; }

@media (max-width: 1024px) {
  .grid-2-1, .grid-1-2 { grid-template-columns: 1fr; }
  .page-content { max-width: 100%; }
}

@media (max-width: 991px) {

  .sidebar {
    transform: translateX(-110%);
    box-shadow: none;
    width: 270px;
    z-index: 1100;
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 8px 0 48px rgba(0,0,0,0.7);
  }

  .main-content { margin-left: 0; }

  .hamburger-btn { display: flex !important; align-items: center; justify-content: center; }
  .topbar-logo-link { display: block; }
  .topbar-title { display: none; }
  .topbar { padding: 0 16px; height: 56px; }

  .grid-2, .grid-2-1, .grid-1-2, .grid-trade, .grid-portfolio { grid-template-columns: 1fr; }
  .grid-3, .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  .grid-portfolio > div[style*="border-left"] {
    border-left: none !important;
    padding-left: 0 !important;
    border-top: 1px solid var(--border);
    padding-top: 16px;
    margin-top: 4px;
  }
  .grid-portfolio > div:first-child { border-top: none; padding-top: 0; }

  #tv_chart_container { height: 360px !important; }

  .method-tabs-grid { grid-template-columns: repeat(2, 1fr); }

  .page-content { padding: 18px; }
}

@media (max-width: 768px) {

  .page-content { padding: 12px 10px; }
  .card-header { padding: 12px 14px; flex-wrap: wrap; gap: 8px; }
  .card-body { padding: 14px 12px; }
  .topbar { padding: 0 12px; height: 52px; }

  .sidebar { width: 80%; max-width: 300px; }

  .stat-card { padding: 14px 16px; }
  .stat-value { font-size: 18px !important; }
  .stat-icon { width: 38px; height: 38px; font-size: 16px; }
  .stat-label { font-size: 11px; }

  .grid-4 { grid-template-columns: repeat(2, 1fr) !important; gap: 10px !important; }
  .package-price { font-size: 26px; }

  .auth-box { margin: 12px; padding: 28px 18px; border-radius: var(--radius-xl); }
  .auth-logo-img { width: 100px; height: 100px; }
  .auth-box h1 { font-size: 20px; }

  .market-ticker { height: 34px; }
  .ticker-item { font-size: 11px; gap: 5px; }

  .market-list-head { display: none !important; }
  .market-row {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    grid-template-areas: "coin price" "actions actions";
    column-gap: 10px;
    row-gap: 0;
    padding: 13px 14px;
    align-items: center;
  }
  .market-row .col-coin    { grid-area: coin; }
  .market-row .col-price   { grid-area: price; text-align: right; }
  .market-row .col-change,
  .market-row .col-high,
  .market-row .col-low,
  .market-row .col-vol     { display: none; }
  .price-change-mobile     { display: block !important; }
  .market-row .market-actions {
    grid-area: actions;
    margin-top: 10px;
    display: flex;
    gap: 8px;
  }
  .market-row .market-actions a {
    flex: 1;
    text-align: center;
    justify-content: center;
    padding: 8px;
    font-size: 12px;
  }

  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 0 0 var(--radius-lg) var(--radius-lg); }
  .data-table { min-width: 480px; }
  .data-table th, .data-table td { padding: 9px 10px; font-size: 12px; }

  .form-control { font-size: 13px; padding: 10px 12px; }
  .btn-accent, .btn-outline { font-size: 13px; }

  #tv_chart_container { height: 290px !important; }

  .auth-box .grid-2 { grid-template-columns: 1fr !important; }
}

@media (max-width: 480px) {
  .page-content { padding: 8px; }
  .topbar { padding: 0 10px; height: 50px; }
  .topbar-logo-img { height: 38px; width: 38px; }
  .topbar-btn { width: 32px; height: 32px; font-size: 14px; }

  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr !important; }
  .method-tabs-grid { grid-template-columns: 1fr 1fr; }

  .stat-value { font-size: 15px !important; }
  .stat-icon { width: 34px; height: 34px; font-size: 14px; margin-bottom: 10px; }
  .stat-label { font-size: 10.5px; }
  .stat-card { padding: 12px 14px; }

  .market-ticker { height: 30px; }
  .ticker-item { font-size: 10.5px; gap: 4px; }

  .auth-box { margin: 8px; padding: 22px 14px; }
  .auth-logo-img { width: 90px; height: 90px; }
  .sidebar-logo-img { width: 140px; height: 140px; }

  .card-header { padding: 10px 12px; }
  .card-body { padding: 12px 10px; }
  .card-header h5 { font-size: 13px; }

  .data-table { min-width: 380px; }
  .data-table th, .data-table td { padding: 8px 8px; font-size: 11.5px; }

  .btn-accent { padding: 9px 14px; font-size: 12.5px; }
  .btn-sm { padding: 5px 10px !important; font-size: 11px !important; }

  #tv_chart_container { height: 240px !important; }

  #quickPairs { gap: 4px !important; }
  #quickPairs button { font-size: 11px; padding: 5px 9px; }

  .grid-portfolio { padding: 18px 14px !important; }

  [data-count] { word-break: break-all; }
}

@media (max-width: 360px) {
  .page-content { padding: 6px; }
  .topbar { padding: 0 8px; height: 48px; }
  .topbar-logo-img { height: 34px; width: 34px; }
  .hamburger-btn { padding: 6px 9px; font-size: 14px; }

  .auth-logo-img { width: 80px; height: 80px; }
  .sidebar-logo-img { width: 120px; height: 120px; }

  .stat-card { padding: 10px 12px; }
  .stat-value { font-size: 14px !important; }
  .stat-icon { width: 30px; height: 30px; font-size: 13px; }

  .card-body { padding: 10px 8px; }
  .card-header { padding: 9px 10px; }
  .card-header h5 { font-size: 12.5px; }

  .btn-accent, .btn-outline { padding: 8px 12px; font-size: 12px; }
  .data-table { min-width: 320px; }
  .data-table th, .data-table td { padding: 7px 6px; font-size: 11px; }

  #tv_chart_container { height: 200px !important; }
  .method-tabs-grid { grid-template-columns: 1fr !important; }
}

@media (max-height: 500px) and (max-width: 900px) {
  .sidebar { overflow-y: auto; max-height: 100vh; }
  #tv_chart_container { height: 200px !important; }
  .page-content { padding: 8px 10px; }
  .topbar { height: 46px; }
}

@media print {
  .sidebar, .topbar, .market-ticker, .hamburger-btn { display: none !important; }
  .main-content { margin-left: 0 !important; }
  .page-content { padding: 0 !important; }
}