/* BitBest — Full Responsive System (320px → 4K) */

/* Touch-friendly targets */
.btn, .sidebar-nav a, .social-icon, .mobile-nav-item, .filter-tabs a, .pagination a {
  min-height: 44px;
}

/* ========== MOBILE SIDEBAR ========== */
/* Overlay lives inside .main-content — dims page only, never blocks sidebar */
.main-content .sidebar-overlay {
  display: none !important;
  position: absolute;
  inset: 0;
  background: var(--overlay, rgba(0, 0, 0, 0.45));
  z-index: 50;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  visibility: hidden;
}
.main-content .sidebar-overlay.active {
  display: block !important;
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.mobile-topbar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.mobile-menu-btn {
  width: 44px; height: 44px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--cyan);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mobile-brand {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
  letter-spacing: 0.02em;
}
.mobile-brand:hover { color: var(--accent); }

.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  padding: 8px 4px calc(8px + env(safe-area-inset-bottom));
  justify-content: space-around;
  gap: 2px;
}
.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 8px;
  color: var(--text-dim);
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 8px;
  flex: 1;
  max-width: 72px;
}
.mobile-nav-item i { font-size: 1.15rem; }
.mobile-nav-item.active, .mobile-nav-item:hover { color: var(--cyan); background: rgba(0, 212, 255, 0.08); }

/* ========== RESPONSIVE TABLES ========== */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 8px;
}
.table-wrap::-webkit-scrollbar { height: 4px; }
.table-wrap::-webkit-scrollbar-thumb { background: var(--cyan); border-radius: 2px; }

@media (max-width: 640px) {
  .responsive-table thead { display: none; }
  .responsive-table tbody tr {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 14px;
    margin-bottom: 10px;
  }

  .responsive-table tbody td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    min-height: 44px;
    border: none;
    font-size: 0.8rem;
    text-align: right;
  }
  .responsive-table tbody td::before {
    content: attr(data-label);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    font-weight: 600;
    text-align: left;
    flex-shrink: 0;
  }
  .responsive-table tbody td:last-child { border-bottom: none; }
}

/* ========== DASHBOARD WELCOME ========== */
.dash-welcome {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.08), rgba(168, 85, 247, 0.06));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: clamp(20px, 4vw, 32px);
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}
.dash-welcome::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.12), transparent 70%);
  pointer-events: none;
}
.dash-welcome-inner { position: relative; }
.dash-welcome .status-badge { margin-bottom: 14px; }
.dash-welcome h2 {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 4vw, 1.8rem);
  margin-bottom: 10px;
  line-height: 1.2;
}
.dash-welcome p { color: var(--text-dim); font-size: clamp(0.8rem, 2.5vw, 0.9rem); max-width: 600px; }
.dash-welcome-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.dash-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.75rem;
}

/* Dashboard sections like homepage */
.dash-section { margin-bottom: 28px; }
.dash-section-header {
  text-align: center;
  margin-bottom: 20px;
}
.dash-section-header .section-tag { font-size: 0.7rem; color: var(--cyan); letter-spacing: 0.15em; display: block; margin-bottom: 8px; }
.dash-section-header h3 {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  margin-bottom: 8px;
}
.dash-section-header p { color: var(--text-dim); font-size: 0.85rem; max-width: 520px; margin: 0 auto; }

.dash-tiers-mini {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.dash-tier-mini {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 12px;
  text-align: center;
  transition: all 0.25s;
}
.dash-tier-mini.active-tier {
  border-color: var(--green);
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.15);
  transform: translateY(-2px);
}
.dash-tier-mini .dt-rate {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 800;
  color: var(--cyan);
}
.dash-tier-mini .dt-label { font-size: 0.6rem; color: var(--text-dim); text-transform: uppercase; margin-top: 4px; }
.dash-tier-mini .dt-range { font-size: 0.65rem; color: var(--text-dim); margin-top: 8px; }

/* Referral widget on dashboard */
.referral-widget {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: clamp(20px, 4vw, 28px);
  margin-bottom: 24px;
}
.rw-header {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 20px;
}
.rw-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--cyan);
  flex-shrink: 0;
}
.rw-header h3 { font-family: var(--font-display); font-size: 1.1rem; margin: 4px 0; }
.rw-code-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.rw-code-label { font-size: 0.7rem; color: var(--text-dim); text-transform: uppercase; }
.rw-code-value {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--cyan);
  letter-spacing: 0.12em;
}

/* Commission mini grid on dashboard */
.comm-mini-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}
.comm-mini-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 10px;
  text-align: center;
}
.comm-mini-card .cm-level { font-size: 0.65rem; color: var(--text-dim); }
.comm-mini-card .cm-rate { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; color: var(--cyan); }

/* ========== BREAKPOINTS ========== */

/* Large desktop 1400px+ */
@media (min-width: 1400px) {
  .container { max-width: 1320px; }
  .main-content { padding: 32px 48px; }
  .stats-grid { grid-template-columns: repeat(6, 1fr); }
}

/* Tablet landscape / small laptop */
@media (max-width: 1200px) {
  .dash-tiers-mini { grid-template-columns: repeat(2, 1fr); }
  .comm-mini-grid { grid-template-columns: repeat(5, 1fr); }
  .stats-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .ranks-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1025px) {
  .mobile-topbar { display: none !important; }
  .desktop-topbar { display: flex; }
}
@media (max-width: 1024px) {
  .desktop-topbar { display: none; }
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    width: min(280px, 85vw);
    box-shadow: 4px 0 30px rgba(0, 0, 0, 0.25);
    z-index: 400;
    pointer-events: auto;
    isolation: isolate;
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar.open .sidebar-nav a,
  .sidebar.open .sidebar-footer a,
  .sidebar.open .sidebar-logo {
    position: relative;
    z-index: 2;
    pointer-events: auto;
  }
  body.sidebar-open .mobile-bottom-nav {
    pointer-events: none;
  }
  .main-content {
    margin-left: 0 !important;
    padding: 16px;
    padding-bottom: calc(80px + env(safe-area-inset-bottom));
    width: 100% !important;
    min-width: 0;
    flex: 1 1 100%;
  }
  .mobile-topbar { display: flex; }
  .mobile-bottom-nav { display: flex; }
  .top-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .top-bar-stats {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .mini-stat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    text-align: left;
  }
  .page-heading { font-size: 1.2rem; }
  .dashboard-hero-grid { grid-template-columns: 1fr; }
  .panel-grid { grid-template-columns: 1fr; }
  .hero { padding: 90px 0 50px; min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .tiers-grid { grid-template-columns: repeat(2, 1fr); }
  .commission-grid { grid-template-columns: repeat(3, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .auth-card { padding: 28px 20px; }
}

@media (max-width: 768px) {
  .header-inner {
    height: 60px;
    padding: 0 16px;
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas: "logo menu";
    align-items: center;
    gap: 12px;
  }
  .header-inner .logo { grid-area: logo; min-width: 0; }
  .header-inner .menu-toggle { grid-area: menu; }
  .header-inner .btn-primary { display: none; }
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg-panel);
    padding: 16px;
    border-bottom: 1px solid var(--border);
    z-index: 999;
    gap: 4px;
  }
  .nav.open a { padding: 14px 16px; border-radius: 8px; }
  .menu-toggle { display: flex; }
  .header .btn-primary { display: none; }
  .hero-title { font-size: clamp(1.6rem, 6vw, 2.2rem); }
  .hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .stat-card { min-width: 0; padding: 12px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; text-align: center; }
  .tiers-grid { grid-template-columns: 1fr; }
  .commission-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .section { padding: 50px 0; }
  .cta-inner { padding: 40px 20px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
  .stats-grid, .stats-grid-3, .stats-grid-4, .stats-grid.stats-compact {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .stats-compact .dash-card { padding: 12px; }
  .dash-value { font-size: 1.2rem; }
  .action-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .action-buttons .btn { width: 100%; justify-content: center; display: inline-flex; align-items: center; gap: 6px; }
  .referral-link-box {
    flex-direction: row;
    align-items: stretch;
    gap: 8px;
  }
  .referral-link-box input {
    flex: 1;
    min-width: 0;
    width: auto;
    height: 44px;
    font-size: clamp(0.68rem, 2vw, 0.82rem);
  }
  .referral-link-box .btn {
    width: auto;
    flex-shrink: 0;
    height: 44px;
    white-space: nowrap;
    padding: 0 16px;
  }
  .deposit-wallet-block { flex-direction: column; align-items: center; text-align: center; }
  .wallet-info { width: 100%; }
  .phone-input-wrap { grid-template-columns: 40px 1fr; grid-template-rows: auto auto; }
  .phone-input-wrap .country-select { grid-column: 1 / -1; }
  .phone-input-wrap input[type="tel"] { grid-column: 1 / -1; }
  .form-row { grid-template-columns: 1fr; }
  .ee-item { flex-direction: column; text-align: center; }
  .ee-icon { margin: 0 auto; }
  .rank-hero { flex-direction: column; text-align: center; }
  .comm-mini-grid { grid-template-columns: repeat(3, 1fr); }

  .rw-header { flex-direction: column; align-items: center; text-align: center; }
  .filter-tabs { flex-wrap: wrap; }
  .inline-form { flex-direction: column; align-items: stretch; }
  .inline-form .btn, .inline-form .input-sm { width: 100%; }
  .user-app .bot-live-stats { grid-template-columns: repeat(3, 1fr) !important; }
  .social-icons-share { justify-content: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 14px; }
  .main-content { padding: 12px; padding-bottom: calc(76px + env(safe-area-inset-bottom)); }
  .panel-box { padding: 16px; border-radius: 10px; }
  .hero-stats { grid-template-columns: 1fr; }
  .top-bar-stats { grid-template-columns: 1fr 1fr; }

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

  .commission-grid { grid-template-columns: 1fr; }
  .action-buttons { grid-template-columns: 1fr; }
  .auth-section { padding: 80px 14px 40px; }
  .mobile-nav-item span { font-size: 0.5rem; }
  .wallet-qr { width: 160px; height: 160px; }
  .dash-welcome h2 { font-size: 1.15rem; }
  .btn-lg { padding: 14px 20px; font-size: 0.8rem; }
}

@media (max-width: 360px) {
  .sidebar { width: 100%; max-width: 300px; }
  .social-icon { width: 42px; height: 42px; font-size: 1.1rem; }
  .rw-code-value { font-size: 1rem; }
  .theme-picker-grid { grid-template-columns: 1fr; }
  .comm-mini-grid { grid-template-columns: 1fr 1fr; }
  .hero-title { font-size: 1.45rem; }
  .dash-welcome { padding: 16px; }
  .panel-box { padding: 14px; }
  .auth-card { padding: 22px 16px; }
  .mobile-nav-item { font-size: 0.48rem; padding: 4px 4px; }
  .mobile-nav-item i { font-size: 1rem; }
}

/* Extra small devices 280px (old small phones) */
@media (max-width: 320px) {
  .container { padding: 0 10px; }
  .main-content { padding: 10px; }
  .stat-card { padding: 10px 8px; }
  .stat-value { font-size: 1.2rem; }
  .btn { padding: 12px 16px; font-size: 0.72rem; }
  .referral-link-box .btn .btn-text { display: none; }
  .top-bar-stats { grid-template-columns: 1fr; }
}

/* Large tablets & small desktops */
@media (min-width: 768px) and (max-width: 1024px) {
  .dashboard-hero-grid { grid-template-columns: 1fr; }
  .dash-tiers-mini { grid-template-columns: repeat(2, 1fr); }
  .ranks-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Ultra-wide screens 1600px+ */
@media (min-width: 1600px) {
  .container { max-width: 1400px; }
  .main-content { max-width: 1600px; margin-left: 260px; margin-right: auto; }
  .sidebar { width: 280px; }
  .dashboard-hero-grid { grid-template-columns: 1.2fr 1fr; gap: 32px; }
  .stats-grid { grid-template-columns: repeat(6, 1fr); }
  .tiers-grid { grid-template-columns: repeat(4, 1fr); }
  .theme-picker-grid { grid-template-columns: repeat(5, 1fr); }
}

/* Landscape phone */
@media (max-height: 500px) and (orientation: landscape) {
  .auth-section { padding: 70px 16px 30px; }
  .hero { min-height: auto; padding: 80px 0 40px; }
  .mobile-bottom-nav { padding: 4px 4px; }
}

/* Safe areas for notched phones */
@supports (padding: env(safe-area-inset-top)) {
  .mobile-topbar { padding-top: calc(12px + env(safe-area-inset-top)); }
  .header { padding-top: env(safe-area-inset-top); }
}

/* Print */
@media print {
  .sidebar, .mobile-topbar, .mobile-bottom-nav, .scanlines, .grid-bg { display: none !important; }
  .main-content { margin: 0; padding: 0; }
}