/* ═══════════════════════════════════════════════════════════
   TrafficXchange — Global CSS (Moderno & Responsivo)
   ═══════════════════════════════════════════════════════════ */

:root {
  --primary:    #6C63FF;
  --primary-d:  #5A52E0;
  --secondary:  #FF6584;
  --success:    #22C55E;
  --danger:     #EF4444;
  --warning:    #F59E0B;
  --info:       #3B82F6;
  --dark:       #0F172A;
  --dark2:      #1E293B;
  --dark3:      #334155;
  --muted:      #64748B;
  --light:      #F1F5F9;
  --white:      #FFFFFF;
  --card-bg:    #1E293B;
  --border:     rgba(255,255,255,.08);
  --text:       #E2E8F0;
  --text-muted: #94A3B8;
  --radius:     12px;
  --radius-lg:  18px;
  --shadow:     0 4px 24px rgba(0,0,0,.35);
  --transition: .25s ease;
  --surf-timer: #22C55E;
}

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

body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--dark);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

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

/* ── Scrollbar ──────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark2); }
::-webkit-scrollbar-thumb { background: var(--dark3); border-radius: 3px; }

/* ── Typography ─────────────────────────────────── */
h1,h2,h3,h4,h5 { font-weight: 700; line-height: 1.2; }
.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Navbar ─────────────────────────────────────── */
.navbar {
  background: rgba(15,23,42,.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: .85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 1000;
}
.navbar-brand {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.navbar-nav { display: flex; gap: .5rem; align-items: center; }
.navbar-nav a {
  color: var(--text-muted);
  padding: .4rem .8rem;
  border-radius: 8px;
  font-size: .875rem;
  font-weight: 500;
  transition: all var(--transition);
}
.navbar-nav a:hover, .navbar-nav a.active {
  color: var(--white);
  background: var(--dark3);
}
.nav-badge {
  background: var(--primary);
  color: #fff;
  font-size: .65rem;
  padding: .1rem .4rem;
  border-radius: 20px;
  margin-left: 4px;
  vertical-align: middle;
}
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  font-size: 1.4rem;
}

/* ── Container ──────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.container-sm { max-width: 600px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 2rem 0; }

/* ── Cards ──────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,.4); }
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.2rem;
  padding-bottom: .8rem;
  border-bottom: 1px solid var(--border);
}
.card-title { font-size: 1rem; font-weight: 600; color: var(--text); }
.card-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}

/* ── Stat Cards ─────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 1.2rem; }
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.stat-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.stat-icon.purple  { background: rgba(108,99,255,.15); color: var(--primary); }
.stat-icon.green   { background: rgba(34,197,94,.15);  color: var(--success); }
.stat-icon.red     { background: rgba(239,68,68,.15);  color: var(--danger); }
.stat-icon.yellow  { background: rgba(245,158,11,.15); color: var(--warning); }
.stat-icon.blue    { background: rgba(59,130,246,.15); color: var(--info); }
.stat-value { font-size: 1.6rem; font-weight: 800; line-height: 1; }
.stat-label { font-size: .8rem; color: var(--text-muted); margin-top: .25rem; }

/* ── Buttons ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .6rem 1.2rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  font-size: .875rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary  { background: var(--primary); color: #fff; }
.btn-primary:hover  { background: var(--primary-d); color: #fff; transform: translateY(-1px); }
.btn-success  { background: var(--success); color: #fff; }
.btn-success:hover  { background: #16A34A; color: #fff; }
.btn-danger   { background: var(--danger); color: #fff; }
.btn-danger:hover   { background: #DC2626; color: #fff; }
.btn-warning  { background: var(--warning); color: #000; }
.btn-info     { background: var(--info); color: #fff; }
.btn-outline  { background: transparent; border: 1.5px solid var(--border); color: var(--text); }
.btn-outline:hover  { background: var(--dark3); color: var(--white); border-color: var(--dark3); }
.btn-gradient {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  box-shadow: 0 4px 15px rgba(108,99,255,.4);
}
.btn-gradient:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(108,99,255,.5); color: #fff; }
.btn-lg { padding: .85rem 2rem; font-size: 1rem; border-radius: 12px; }
.btn-sm { padding: .35rem .75rem; font-size: .78rem; border-radius: 8px; }
.btn-block { width: 100%; justify-content: center; }

/* ── Forms ──────────────────────────────────────── */
.form-group { margin-bottom: 1.2rem; }
.form-label { display: block; font-size: .85rem; font-weight: 600; color: var(--text-muted); margin-bottom: .4rem; }
.form-control {
  width: 100%;
  background: var(--dark);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: .65rem 1rem;
  color: var(--text);
  font-size: .9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108,99,255,.2);
}
.form-control::placeholder { color: var(--muted); }
.form-control.is-invalid { border-color: var(--danger); }
.form-text { font-size: .78rem; color: var(--text-muted); margin-top: .3rem; }
select.form-control option { background: var(--dark2); }

/* ── Alerts ─────────────────────────────────────── */
.alert {
  padding: .85rem 1.1rem;
  border-radius: 10px;
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  font-size: .875rem;
  border: 1px solid transparent;
}
.alert-success { background: rgba(34,197,94,.12);  border-color: rgba(34,197,94,.3);  color: #4ade80; }
.alert-danger   { background: rgba(239,68,68,.12);  border-color: rgba(239,68,68,.3);  color: #f87171; }
.alert-warning  { background: rgba(245,158,11,.12); border-color: rgba(245,158,11,.3); color: #fbbf24; }
.alert-info     { background: rgba(59,130,246,.12); border-color: rgba(59,130,246,.3); color: #60a5fa; }

/* ── Tables ─────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: .875rem; }
thead th {
  background: var(--dark);
  color: var(--text-muted);
  padding: .75rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  white-space: nowrap;
}
tbody tr { border-bottom: 1px solid var(--border); transition: background var(--transition); }
tbody tr:hover { background: rgba(255,255,255,.03); }
tbody td { padding: .8rem 1rem; color: var(--text); vertical-align: middle; }
tbody tr:last-child { border-bottom: none; }

/* ── Badges ─────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  padding: .2rem .6rem;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.badge-success { background: rgba(34,197,94,.15);  color: var(--success); }
.badge-danger   { background: rgba(239,68,68,.15);  color: var(--danger); }
.badge-warning  { background: rgba(245,158,11,.15); color: var(--warning); }
.badge-info     { background: rgba(59,130,246,.15); color: var(--info); }
.badge-primary  { background: rgba(108,99,255,.15); color: var(--primary); }
.badge-muted    { background: rgba(100,116,139,.15); color: var(--muted); }

/* ── Progress ───────────────────────────────────── */
.progress { background: var(--dark); border-radius: 20px; height: 8px; overflow: hidden; }
.progress-bar { height: 100%; border-radius: 20px; transition: width .6s ease; }
.progress-bar.purple  { background: linear-gradient(90deg, var(--primary), var(--secondary)); }
.progress-bar.green   { background: var(--success); }
.progress-bar.yellow  { background: var(--warning); }

/* ── Surf Page ──────────────────────────────────── */
.surf-wrapper {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 60px);
}
.surf-bar {
  background: var(--dark2);
  border-bottom: 1px solid var(--border);
  padding: .75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.surf-timer-ring {
  position: relative;
  width: 54px; height: 54px;
  flex-shrink: 0;
}
.surf-timer-ring svg { transform: rotate(-90deg); }
.surf-timer-ring circle { fill: none; stroke-width: 4; }
.ring-bg   { stroke: var(--dark3); }
.ring-fill { stroke: var(--surf-timer); stroke-linecap: round; transition: stroke-dashoffset .9s linear; }
.timer-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  font-weight: 800;
  color: var(--surf-timer);
}
.surf-iframe { flex: 1; border: none; background: #fff; }
.surf-info { flex: 1; min-width: 150px; }
.surf-info .site-title { font-weight: 700; font-size: .95rem; }
.surf-info .site-url   { font-size: .75rem; color: var(--text-muted); }
.surf-progress-wrap { flex: 1; min-width: 180px; }

/* ── Plans / Pricing ─────────────────────────────── */
.plans-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 1.5rem; }
.plan-card {
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.plan-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,.4); }
.plan-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 30px rgba(108,99,255,.2);
}
.plan-badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  padding: .25rem .8rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.plan-price { font-size: 2.5rem; font-weight: 900; margin: 1rem 0 .25rem; }
.plan-price sup { font-size: 1rem; vertical-align: top; margin-top: .6rem; display: inline-block; }
.plan-period { font-size: .8rem; color: var(--text-muted); margin-bottom: 1.5rem; }
.plan-features { list-style: none; margin-bottom: 1.8rem; }
.plan-features li {
  padding: .5rem 0;
  border-bottom: 1px solid var(--border);
  font-size: .875rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: .5rem;
}
.plan-features li .check { color: var(--success); font-weight: 700; }
.plan-features li:last-child { border-bottom: none; }

/* ── Modal ──────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
  transform: scale(.95);
  transition: transform var(--transition);
}
.modal-overlay.active .modal-box { transform: scale(1); }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; }
.modal-title { font-size: 1.1rem; font-weight: 700; }
.modal-close { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 1.4rem; line-height: 1; transition: color var(--transition); }
.modal-close:hover { color: var(--danger); }

/* ── Auth Page ──────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: radial-gradient(ellipse at top left, rgba(108,99,255,.15) 0%, transparent 50%),
              radial-gradient(ellipse at bottom right, rgba(255,101,132,.1) 0%, transparent 50%),
              var(--dark);
}
.auth-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow);
}
.auth-logo { text-align: center; margin-bottom: 2rem; }
.auth-logo h1 { font-size: 2rem; font-weight: 900; }
.auth-logo p { color: var(--text-muted); font-size: .875rem; margin-top: .25rem; }
.auth-tabs { display: flex; gap: .5rem; margin-bottom: 1.8rem; background: var(--dark); border-radius: 10px; padding: 4px; }
.auth-tab {
  flex: 1;
  padding: .55rem 1rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  font-size: .875rem;
  transition: all var(--transition);
}
.auth-tab.active { background: var(--primary); color: #fff; }

/* ── Admin Sidebar ──────────────────────────────── */
.admin-layout { display: flex; min-height: calc(100vh - 60px); }
.sidebar {
  width: 240px;
  background: var(--dark2);
  border-right: 1px solid var(--border);
  padding: 1.5rem 1rem;
  flex-shrink: 0;
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  overflow-y: auto;
}
.sidebar-section { margin-bottom: 1.5rem; }
.sidebar-label { font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); font-weight: 700; padding: 0 .5rem; margin-bottom: .5rem; }
.sidebar-link {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .65rem .75rem;
  border-radius: 10px;
  color: var(--text-muted);
  font-size: .875rem;
  font-weight: 500;
  transition: all var(--transition);
  margin-bottom: .15rem;
  cursor: pointer;
}
.sidebar-link:hover, .sidebar-link.active {
  background: rgba(108,99,255,.12);
  color: var(--primary);
}
.sidebar-link .icon { width: 20px; text-align: center; }
.admin-main { flex: 1; padding: 2rem; overflow-x: hidden; }

/* ── Painel Dashboard ───────────────────────────── */
.page-header { margin-bottom: 2rem; }
.page-header h2 { font-size: 1.6rem; }
.page-header p  { color: var(--text-muted); font-size: .9rem; margin-top: .25rem; }

/* ── Banner 468x60 ──────────────────────────────── */
.banner-ad {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 8px;
  margin: 1rem auto;
}
.banner-ad img { max-width: 468px; height: 60px; object-fit: cover; display: block; }

/* ── Toast ──────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.toast {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: .85rem 1.2rem;
  min-width: 280px;
  max-width: 360px;
  display: flex;
  align-items: center;
  gap: .7rem;
  box-shadow: var(--shadow);
  animation: toastIn .3s ease forwards;
  font-size: .875rem;
}
.toast.out { animation: toastOut .3s ease forwards; }
.toast-success { border-left: 3px solid var(--success); }
.toast-danger   { border-left: 3px solid var(--danger); }
.toast-info     { border-left: 3px solid var(--info); }
.toast-warning  { border-left: 3px solid var(--warning); }
@keyframes toastIn  { from { opacity:0; transform:translateX(60px); } to { opacity:1; transform:translateX(0); } }
@keyframes toastOut { from { opacity:1; transform:translateX(0); } to { opacity:0; transform:translateX(60px); } }

/* ── Glow Effects ───────────────────────────────── */
.glow-purple { box-shadow: 0 0 20px rgba(108,99,255,.3); }
.glow-green  { box-shadow: 0 0 20px rgba(34,197,94,.3); }

/* ── Utils ──────────────────────────────────────── */
.d-flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-muted  { color: var(--text-muted) !important; }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-primary { color: var(--primary); }
.fw-bold { font-weight: 700; }
.fs-sm { font-size: .8rem; }
.divider { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 768px) {
  .navbar-nav { display: none; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0; background: var(--dark2); border-bottom: 1px solid var(--border); padding: 1rem; }
  .navbar-nav.open { display: flex; }
  .hamburger { display: block; }
  .admin-layout { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: relative; top: 0; display: none; }
  .sidebar.open { display: block; }
  .plans-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .surf-bar { gap: .75rem; }
  .auth-card { padding: 1.5rem; }
  .container { padding: 0 1rem; }
  .page-header h2 { font-size: 1.3rem; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .stat-value { font-size: 1.3rem; }
  .btn-lg { padding: .75rem 1.4rem; font-size: .9rem; }
}