/* ═══════════════════════════════════════════════════════════
   Tapp Analytics Dashboard — style.css v3.0
   Design System: Dark mode, Inter font, HSL palette
══════════════════════════════════════════════════════════════ */

/* ── TOKENS ──────────────────────────────────────────────── */
:root {
  --bg-deep:    #0d1117;
  --bg-base:    #131820;
  --bg-card:    #1a2235;
  --bg-card-2:  #1e2840;
  --bg-hover:   #212d45;
  --border:     rgba(255,255,255,0.07);
  --border-2:   rgba(255,255,255,0.12);

  --text-primary:   #e2e8f4;
  --text-secondary: #7a859e;
  --text-muted:     #4a5568;
  --text-accent:    #c3ceea;

  --blue:    #4f7cff;
  --purple:  #7c5cfc;
  --green:   #22d3a5;
  --orange:  #ff8c42;
  --red:     #ff4646;
  --wa:      #25D366;
  --pink:    #ff6482;
  --yellow:  #f6ad55;

  --sidebar-w: 220px;
  --topbar-h:  60px;
  --radius:    12px;
  --radius-sm: 8px;
  --shadow:    0 4px 24px rgba(0,0,0,0.35);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
  --transition: 0.2s ease;
}

/* ── RESET ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; font-family: inherit; }
.hidden { display: none !important; }

/* ── SCROLLBAR ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ═══════════════════════════════════════════════════════════
   LOGIN
═══════════════════════════════════════════════════════════ */
#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse 80% 80% at 50% -20%, rgba(79,124,255,0.22), transparent),
              var(--bg-deep);
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: 20px;
  padding: 48px 40px;
  width: 400px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5);
  text-align: center;
}

.login-logo {
  margin-bottom: 32px;
}
.logo-icon {
  font-size: 48px;
  display: block;
  margin-bottom: 12px;
  filter: drop-shadow(0 0 20px rgba(79,124,255,0.5));
}
.login-logo h1 {
  font-size: 26px;
  font-weight: 800;
  background: linear-gradient(135deg, #fff 0%, #8fa8ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}
.login-logo p {
  color: var(--text-secondary);
  font-size: 13px;
}

.login-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 32px;
}
.feature-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 12px;
  color: var(--text-accent);
  text-align: left;
  display: flex;
  align-items: center;
  gap: 7px;
}

.btn-google {
  width: 100%;
  padding: 14px 20px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(79,124,255,0.35);
}
.btn-google:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(79,124,255,0.5);
}

/* ═══════════════════════════════════════════════════════════
   LAYOUT
═══════════════════════════════════════════════════════════ */
#dashboard {
  display: flex;
  min-height: 100vh;
}

/* ── SIDEBAR ─────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: width var(--transition), transform var(--transition);
  overflow: hidden;
}
#sidebar.collapsed { width: 64px; }

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  overflow: hidden;
}
.brand-icon { font-size: 22px; flex-shrink: 0; }
.brand-name { font-size: 17px; font-weight: 700; color: #fff; }
#sidebar.collapsed .brand-name { opacity: 0; width: 0; }

.nav-menu { flex: 1; padding: 10px 0; list-style: none; overflow: hidden; }
.nav-menu li { margin: 2px 8px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  white-space: nowrap;
  transition: all var(--transition);
  position: relative;
}
.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.nav-item.active {
  background: rgba(79,124,255,0.15);
  color: var(--blue);
  font-weight: 600;
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 3px;
  background: var(--blue);
  border-radius: 0 3px 3px 0;
}
.nav-icon { font-size: 17px; flex-shrink: 0; }
.nav-label { transition: opacity var(--transition); }
#sidebar.collapsed .nav-label { opacity: 0; width: 0; }

.sidebar-footer {
  padding: 14px 12px;
  border-top: 1px solid var(--border);
}
.user-info {
  font-size: 11.5px;
  color: var(--text-muted);
  padding: 0 4px;
  margin-bottom: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.btn-logout {
  width: 100%;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255,70,70,0.1);
  color: #ff8080;
  font-size: 12.5px;
  font-weight: 500;
  text-align: left;
  transition: all var(--transition);
}
.btn-logout:hover { background: rgba(255,70,70,0.18); }

/* ── MAIN CONTENT ────────────────────────────────────────── */
#main-content {
  flex: 1;
  margin-left: var(--sidebar-w);
  transition: margin-left var(--transition);
  min-width: 0;
  display: flex;
  flex-direction: column;
}
#sidebar.collapsed ~ #main-content { margin-left: 64px; }

/* ── TOPBAR ──────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-h);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
  position: sticky;
  top: 0;
  z-index: 90;
  gap: 16px;
}

.topbar-left { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.topbar-center { flex: 1; display: flex; justify-content: center; }
.topbar-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

.btn-toggle {
  background: none;
  color: var(--text-secondary);
  font-size: 18px;
  padding: 6px;
  border-radius: 6px;
  transition: all var(--transition);
}
.btn-toggle:hover { background: var(--bg-hover); color: var(--text-primary); }

.breadcrumb { display: flex; align-items: center; gap: 6px; }
.breadcrumb-app { font-size: 12px; color: var(--text-muted); }
.breadcrumb-sep { color: var(--text-muted); font-size: 14px; }
.breadcrumb-page { font-size: 14px; font-weight: 600; color: var(--text-primary); }

/* Loading indicator */
.loading-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}
.loading-spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.1);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Date controls */
.date-controls { display: flex; align-items: center; gap: 8px; }
.select-range {
  background: var(--bg-card-2);
  border: 1px solid var(--border-2);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 12.5px;
  font-family: inherit;
  cursor: pointer;
}
.select-range:focus { outline: none; border-color: var(--blue); }

.custom-dates { display: flex; align-items: center; gap: 6px; }
.date-input {
  background: var(--bg-card-2);
  border: 1px solid var(--border-2);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 5px 8px;
  font-size: 12px;
  font-family: inherit;
}
.date-input::-webkit-calendar-picker-indicator { filter: invert(0.6); cursor: pointer; }
.date-sep { color: var(--text-muted); }
.btn-apply {
  background: var(--blue);
  color: #fff;
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-apply:hover { background: #3d66e0; }

.btn-refresh {
  background: var(--bg-card-2);
  border: 1px solid var(--border-2);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  width: 32px; height: 32px;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.btn-refresh:hover { color: var(--text-primary); border-color: var(--blue); }

.last-update {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  max-width: 160px;
}

/* ═══════════════════════════════════════════════════════════
   PANELS
═══════════════════════════════════════════════════════════ */
.panel { display: none; padding: 24px; animation: fadeIn 0.2s ease; }
.panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity:1; transform: translateY(0); } }

.panel-intro { margin-bottom: 20px; }
.panel-heading { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.panel-subheading { font-size: 13px; color: var(--text-secondary); }

.section-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 10px;
  margin-top: 16px;
}

.info-banner {
  background: rgba(79,124,255,0.08);
  border: 1px solid rgba(79,124,255,0.2);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 12.5px;
  color: var(--text-accent);
  margin-bottom: 20px;
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════
   KPI CARDS
═══════════════════════════════════════════════════════════ */
.kpi-grid {
  display: grid;
  gap: 14px;
  margin-bottom: 6px;
}
.kpi-grid-4 { grid-template-columns: repeat(4, 1fr); }
.kpi-grid-3 { grid-template-columns: repeat(3, 1fr); }
.kpi-grid-2 { grid-template-columns: repeat(2, 1fr); }

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: border-color var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}
.kpi-card:hover {
  border-color: var(--border-2);
  transform: translateY(-1px);
}
.kpi-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.04), transparent);
}

.kpi-accent-green { border-color: rgba(34,211,165,0.2); }
.kpi-accent-blue  { border-color: rgba(79,124,255,0.2); }
.kpi-accent-orange{ border-color: rgba(255,140,66,0.2); }
.kpi-accent-pink  { border-color: rgba(255,100,130,0.2); }

.kpi-icon-wrap {
  width: 42px; height: 42px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 19px;
  flex-shrink: 0;
}

.kpi-body { flex: 1; min-width: 0; }
.kpi-label { font-size: 11.5px; color: var(--text-secondary); margin-bottom: 4px; font-weight: 500; }
.kpi-value {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 4px;
  letter-spacing: -0.5px;
}
.kpi-sub { font-size: 11px; color: var(--text-muted); }

/* Skeleton animation */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card-2) 25%, var(--bg-hover) 50%, var(--bg-card-2) 75%);
  background-size: 400% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 6px;
  color: transparent !important;
  min-width: 60px;
  display: inline-block;
}
@keyframes shimmer { to { background-position: -400% 0; } }

/* ═══════════════════════════════════════════════════════════
   CHARTS & CARDS
═══════════════════════════════════════════════════════════ */
.charts-grid {
  display: grid;
  gap: 16px;
  margin: 16px 0;
}
.charts-grid-50-50 { grid-template-columns: 1fr 1fr; }
.charts-grid-70-30 { grid-template-columns: 70fr 30fr; }
.charts-grid-40-60 { grid-template-columns: 40fr 60fr; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.card-hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.card-hdr h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.card-desc {
  font-size: 11.5px;
  color: var(--text-secondary);
  margin-top: 1px;
}

.card-badge-pill {
  background: rgba(79,124,255,0.12);
  color: var(--blue);
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
}


.chart-container {
  padding: 16px;
  height: 220px;
  position: relative;
}
.chart-tall { height: 260px; }

/* ═══════════════════════════════════════════════════════════
   TABLES
═══════════════════════════════════════════════════════════ */
.table-card { margin-bottom: 16px; }
.table-wrapper { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  text-align: left;
  padding: 10px 14px;
  background: var(--bg-card-2);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: sticky;
  top: 0;
}

tbody tr {
  border-top: 1px solid var(--border);
  transition: background var(--transition);
}
tbody tr:hover { background: rgba(255,255,255,0.025); }
tbody td { padding: 10px 14px; color: var(--text-accent); vertical-align: middle; }

.empty-row, .loading-row {
  text-align: center;
  color: var(--text-muted);
  padding: 28px 14px;
  font-size: 13px;
}

.skeleton-row {
  height: 44px;
  background: linear-gradient(90deg, var(--bg-card-2) 25%, var(--bg-hover) 50%, var(--bg-card-2) 75%);
  background-size: 400% 100%;
  animation: shimmer 1.5s infinite;
}

/* ── Badges en tabla ─────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 20px;
  padding: 2px 9px;
  font-size: 11.5px;
  font-weight: 500;
  background: rgba(255,255,255,0.06);
  color: var(--text-accent);
  white-space: nowrap;
}
.badge-green { background: rgba(34,211,165,0.12); color: var(--green); }
.badge-wa    { background: rgba(37,211,102,0.12); color: var(--wa); }
.badge-tel   { background: rgba(79,124,255,0.12); color: var(--blue); }
.badge-red   { background: rgba(255,70,70,0.12);  color: var(--red); }
.badge-orange{ background: rgba(255,140,66,0.12); color: var(--orange); }

/* ── Barra de conversión en tabla ────────────────────────── */
.conv-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}
.conv-bar-bg {
  flex: 1;
  height: 5px;
  background: rgba(255,255,255,0.07);
  border-radius: 4px;
  overflow: hidden;
  min-width: 60px;
}
.conv-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--purple));
  border-radius: 4px;
  transition: width 0.6s ease;
}
.conv-pct {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-secondary);
  width: 36px;
  text-align: right;
  flex-shrink: 0;
}

/* ── Barra de popularidad en búsquedas ───────────────────── */
.pop-wrap { display: flex; align-items: center; gap: 8px; }
.pop-bar-bg {
  flex: 1;
  height: 5px;
  background: rgba(255,255,255,0.07);
  border-radius: 4px;
  overflow: hidden;
  min-width: 50px;
}
.pop-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--orange), var(--red));
  border-radius: 4px;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════ */
@media (max-width: 1200px) {
  .kpi-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .charts-grid-70-30 { grid-template-columns: 1fr; }
  .charts-grid-40-60 { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  :root { --sidebar-w: 200px; }
  .kpi-grid-3 { grid-template-columns: 1fr 1fr; }
  .charts-grid-50-50 { grid-template-columns: 1fr; }
  .topbar-center { display: none; }
}

@media (max-width: 700px) {
  .panel { padding: 16px; }
  .kpi-grid-4, .kpi-grid-3 { grid-template-columns: 1fr 1fr; }
  .topbar-right .last-update { display: none; }
}