:root {
  --bg: #07111f;
  --bg-2: #0a1424;
  --sidebar: #070b18;
  --surface: #101a2e;
  --surface-2: #0d1729;
  --surface-3: #14213a;
  --border: rgba(148, 163, 184, .16);
  --border-2: rgba(148, 163, 184, .25);
  --text: #f8fafc;
  --soft: #cbd5e1;
  --muted: #94a3b8;
  --muted-2: #64748b;
  --brand: #7657ff;
  --brand-2: #2cc8ff;
  --success: #20d982;
  --warning: #f59e0b;
  --danger: #fb7185;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 48px rgba(0, 0, 0, .28);
  --sidebar-w: 232px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 8%, rgba(118, 87, 255, .20), transparent 26%),
    radial-gradient(circle at 88% 4%, rgba(44, 200, 255, .16), transparent 28%),
    linear-gradient(135deg, #070b18 0%, #081424 46%, #071b2a 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 13px;
  line-height: 1.45;
  overflow-x: hidden;
}

button, input, select { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 22px;
}

.login-shell {
  width: min(980px, 100%);
  display: grid;
  grid-template-columns: 1fr 390px;
  gap: 18px;
}

.login-hero,
.login-card {
  border: 1px solid var(--border);
  background: rgba(12, 22, 40, .82);
  box-shadow: var(--shadow);
  border-radius: 24px;
  overflow: hidden;
}

.login-hero { padding: 30px; }
.login-card { padding: 28px; }

.brand-row { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 900;
  letter-spacing: -.04em;
  color: white;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 12px 28px rgba(44, 200, 255, .18);
}
.brand-name { font-size: 14px; font-weight: 800; }
.brand-sub { font-size: 11px; color: var(--muted); margin-top: 1px; }

.login-title {
  margin: 50px 0 10px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.05;
  letter-spacing: -.055em;
}
.login-copy {
  margin: 0;
  max-width: 560px;
  color: var(--muted);
  font-size: 14px;
}
.hero-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 34px; }
.hero-point { border: 1px solid var(--border); background: rgba(15, 23, 42, .62); border-radius: 16px; padding: 14px; }
.hero-point strong { display: block; font-size: 16px; }
.hero-point span { color: var(--muted); font-size: 11px; }

.form-title { margin: 0 0 6px; font-size: 21px; letter-spacing: -.035em; }
.form-sub { margin: 0 0 22px; color: var(--muted); font-size: 12px; }
.form-group { display: grid; gap: 7px; margin-bottom: 14px; }
label { color: var(--soft); font-weight: 700; font-size: 11px; letter-spacing: .01em; }
.input {
  width: 100%;
  height: 42px;
  border: 1px solid var(--border-2);
  border-radius: 12px;
  background: rgba(7, 12, 24, .72);
  color: var(--text);
  padding: 0 13px;
  outline: none;
}
.input:focus { border-color: rgba(44, 200, 255, .55); box-shadow: 0 0 0 3px rgba(44, 200, 255, .10); }
.btn {
  border: 0;
  border-radius: 12px;
  height: 42px;
  padding: 0 16px;
  color: white;
  font-weight: 800;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 12px 24px rgba(44, 200, 255, .16);
}
.btn.secondary { background: rgba(255,255,255,.06); border: 1px solid var(--border); box-shadow: none; color: var(--soft); }
.btn.full { width: 100%; }
.demo-note { margin-top: 14px; color: var(--muted); font-size: 11px; }
.alert { margin: 10px 0 0; color: var(--danger); font-size: 12px; }

.app-layout { min-height: 100vh; display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); }
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 20px 16px;
  background: rgba(7, 11, 24, .92);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.sidebar .brand-row { padding: 2px 2px 12px; }
.nav { display: grid; gap: 7px; }
.nav button {
  width: 100%;
  height: 40px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  text-align: left;
  font-size: 12px;
}
.nav button.active,
.nav button:hover {
  color: var(--text);
  background: rgba(118, 87, 255, .18);
  border-color: rgba(118, 87, 255, .22);
}
.user-box {
  margin-top: auto;
  padding: 14px;
  border-radius: 18px;
  background: rgba(118, 87, 255, .12);
  border: 1px solid rgba(118, 87, 255, .22);
}
.user-box strong { display: block; font-size: 12px; }
.user-box span { display: block; color: var(--muted); font-size: 11px; margin-top: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-box .btn { margin-top: 12px; width: 100%; height: 36px; font-size: 12px; }

.main { min-width: 0; padding: 28px; }
.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
  margin-bottom: 18px;
}
.eyebrow { margin: 0 0 6px; color: var(--brand-2); font-size: 11px; text-transform: uppercase; letter-spacing: .12em; font-weight: 900; }
h1 { margin: 0; font-size: clamp(24px, 3vw, 31px); line-height: 1.08; letter-spacing: -.055em; }
.subtitle { margin: 8px 0 0; color: var(--muted); font-size: 13px; max-width: 680px; }
.actions { display: flex; align-items: center; gap: 10px; }
.client-select {
  min-width: 260px;
  height: 42px;
  border-radius: 13px;
  border: 1px solid var(--border-2);
  background: rgba(7, 12, 24, .78);
  color: var(--text);
  padding: 0 13px;
  font-weight: 750;
  outline: none;
}

.summary-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(16, 26, 46, .96), rgba(10, 23, 37, .96));
  box-shadow: var(--shadow);
  padding: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 16px;
  margin-bottom: 14px;
}
.summary-card h2 { margin: 0 0 6px; font-size: 18px; letter-spacing: -.035em; }
.summary-card p { margin: 0; color: var(--muted); font-size: 12px; }
.summary-list { display: grid; gap: 8px; margin-top: 14px; }
.summary-item { display: flex; gap: 8px; align-items: start; color: var(--soft); font-size: 12px; }
.summary-dot { width: 7px; height: 7px; border-radius: 999px; background: var(--success); flex: 0 0 auto; margin-top: 5px; }
.health-panel {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  background: rgba(7, 12, 24, .48);
}
.health-label { color: var(--muted); font-size: 11px; font-weight: 800; }
.health-score { display: flex; align-items: baseline; gap: 8px; margin: 8px 0; }
.health-score strong { font-size: 30px; letter-spacing: -.05em; }
.health-score span { color: var(--success); font-weight: 900; font-size: 12px; }
.health-bar { height: 8px; border-radius: 999px; background: rgba(148,163,184,.14); overflow: hidden; }
.health-bar div { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--brand), var(--brand-2), var(--success)); }
.updated { margin-top: 10px; color: var(--muted); font-size: 11px; }

.metrics-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; margin-bottom: 14px; }
.metric-card {
  min-height: 112px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(16, 26, 46, .86);
  padding: 15px;
  box-shadow: 0 12px 30px rgba(0,0,0,.16);
}
.metric-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.metric-label { color: var(--muted); font-size: 11px; font-weight: 900; }
.metric-icon { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 10px; background: rgba(118, 87, 255, .15); }
.metric-value { margin-top: 14px; font-size: 22px; line-height: 1; letter-spacing: -.055em; font-weight: 900; }
.metric-sub { margin-top: 8px; color: var(--success); font-size: 11px; font-weight: 850; }
.metric-sub.neutral { color: var(--muted); }

.content-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) 370px; gap: 14px; }
.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(16, 26, 46, .88);
  box-shadow: 0 14px 38px rgba(0,0,0,.18);
  overflow: hidden;
}
.panel-head {
  padding: 16px 18px 12px;
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}
.panel-head h2 { margin: 0; font-size: 17px; letter-spacing: -.035em; }
.panel-head p { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.badge { display: inline-flex; align-items: center; gap: 6px; height: 26px; padding: 0 10px; border-radius: 999px; font-size: 11px; font-weight: 900; border: 1px solid rgba(44, 200, 255, .25); color: #b8f0ff; background: rgba(44, 200, 255, .10); white-space: nowrap; }
.panel-body { padding: 16px 18px 18px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; text-align: left; padding: 0 10px 10px; font-weight: 900; }
td { padding: 13px 10px; border-top: 1px solid var(--border); color: var(--soft); font-size: 12px; vertical-align: middle; }
td strong { color: var(--text); font-size: 12px; }
.small-muted { display: block; color: var(--muted-2); font-size: 11px; margin-top: 2px; }
.status { display: inline-flex; align-items: center; height: 24px; padding: 0 9px; border-radius: 999px; background: rgba(32, 217, 130, .12); color: #8ff5bd; border: 1px solid rgba(32, 217, 130, .18); font-size: 10px; font-weight: 900; }
.status.paused { background: rgba(245,158,11,.12); color: #facc15; border-color: rgba(245,158,11,.18); }

.rank-list { display: grid; gap: 14px; }
.rank-row { display: grid; gap: 7px; }
.rank-meta { display: flex; justify-content: space-between; gap: 10px; color: var(--soft); font-weight: 750; font-size: 12px; }
.rank-meta span:last-child { color: var(--text); font-weight: 900; }
.bar { height: 9px; border-radius: 999px; background: rgba(148, 163, 184, .13); overflow: hidden; }
.bar div { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--brand), var(--brand-2)); }

.channel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }
.channel-card { border: 1px solid var(--border); background: rgba(7,12,24,.44); border-radius: 14px; padding: 12px; }
.channel-card strong { display: block; font-size: 18px; letter-spacing: -.045em; }
.channel-card span { display: block; color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .05em; font-weight: 900; margin-bottom: 4px; }

.client-section { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.client-card { border: 1px solid var(--border); background: rgba(16, 26, 46, .82); border-radius: var(--radius); padding: 16px; }
.client-card h3 { margin: 0 0 4px; font-size: 15px; }
.client-card p { margin: 0; color: var(--muted); font-size: 12px; }
.client-card .mini-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 14px; }
.mini-stat { border: 1px solid var(--border); border-radius: 12px; padding: 10px; background: rgba(7,12,24,.34); }
.mini-stat strong { display: block; font-size: 15px; }
.mini-stat span { color: var(--muted); font-size: 10px; text-transform: uppercase; font-weight: 900; }

.empty-state { padding: 28px; text-align: center; color: var(--muted); }
.whatsapp-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  background: #20d982;
  color: #032314;
  display: grid;
  place-items: center;
  text-decoration: none;
  font-weight: 900;
  box-shadow: 0 18px 34px rgba(32, 217, 130, .25);
}

@media (max-width: 1240px) {
  .metrics-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .content-grid { grid-template-columns: 1fr; }
  .summary-card { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .app-layout { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; padding: 14px; }
  .nav { grid-template-columns: repeat(3, 1fr); }
  .user-box { display: none; }
  .main { padding: 18px; }
  .topbar { grid-template-columns: 1fr; }
  .actions { flex-direction: column; align-items: stretch; }
  .client-select { width: 100%; min-width: 0; }
  .login-shell { grid-template-columns: 1fr; }
  .login-hero { display: none; }
  .client-section { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 12px; }
  .main { padding: 14px; }
  .nav { grid-template-columns: 1fr 1fr; }
  .metrics-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .metric-card { min-height: 104px; padding: 13px; }
  .metric-value { font-size: 19px; }
  .summary-card { padding: 15px; }
  .channel-grid { grid-template-columns: 1fr; }
  .panel-head { flex-direction: column; }
}