/* ===================================================================
   Vitamente App — Design System 2025
   =================================================================== */

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

:root {
  /* Brand */
  --green-50:  #f0fdf4;
  --green-100: #dcfce7;
  --green-400: #4ade80;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --green-700: #15803d;
  --green-900: #14532d;

  /* Neutrals */
  --slate-50:  #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --slate-950: #020617;

  /* Semantic */
  --primary:      var(--green-600);
  --primary-hover: var(--green-700);
  --bg:           var(--slate-100);
  --surface:      #ffffff;
  --surface-2:    var(--slate-50);
  --text:         var(--slate-900);
  --text-muted:   var(--slate-500);
  --border:       var(--slate-200);
  --success:      var(--green-600);
  --danger:       #dc2626;
  --warning:      #d97706;
  --info:         #2563eb;
  --ads-blue:     #1a73e8;

  /* Design tokens */
  --radius:    12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow:    0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.06);

  /* Header height (para sticky nav offset) */
  --header-h: 64px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ─── Header ─────────────────────────────────────────────────── */
header {
  background: linear-gradient(135deg, #071a0e 0%, #0d2818 50%, #071a0e 100%);
  height: var(--header-h);
  padding: 0 28px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

.header-brand {
  display: flex;
  align-items: center;
}

.header-logo {
  height: 28px;
  object-fit: contain;
  /* fallback se a imagem não carregar */
  display: block;
}

.header-logo-fallback {
  display: none;
  font-size: 1.1rem;
  font-weight: 800;
  color: white;
  letter-spacing: -0.02em;
}

/* ─── Navegação (dentro do header) ──────────────────────────── */
.app-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 4px;
  width: fit-content;
  margin: 0 auto;
}

.nav-item {
  background: none;
  border: none;
  border-radius: 7px;
  padding: 8px 20px;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.55);
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
  font-family: inherit;
  letter-spacing: -0.01em;
}

.nav-item:hover {
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.07);
}

.nav-item.active {
  background: var(--green-600);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(22,163,74,0.4);
}

/* ─── Status Indicator ───────────────────────────────────────── */
.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  white-space: nowrap;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green-400);
  box-shadow: 0 0 0 3px rgba(74,222,128,0.2);
  flex-shrink: 0;
}

.dot.running {
  background: #f59e0b;
  box-shadow: 0 0 0 3px rgba(245,158,11,0.25);
  animation: pulse 1.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}

/* ─── Layout ─────────────────────────────────────────────────── */
main {
  max-width: 1300px;
  margin: 0 auto;
  padding: 32px 24px 48px;
}

section {
  margin-bottom: 36px;
}

section h2 {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ─── Cards de Estatísticas ─────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.stat-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--green-500);
  border-radius: var(--radius) var(--radius) 0 0;
}

.stat-card.accent::before { background: linear-gradient(90deg, #f59e0b, #ef4444); }
.stat-card.info::before   { background: linear-gradient(90deg, #3b82f6, #8b5cf6); }

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.stat-card .label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 10px;
}

.stat-card .value {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--slate-900);
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat-card.accent .value { color: #d97706; }
.stat-card.info .value   { color: #2563eb; }

.stat-card .sublabel {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ─── Painel de Controle ────────────────────────────────────── */
.control-panel {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  background-image: radial-gradient(ellipse at top right, var(--green-50) 0%, transparent 60%);
}

.next-run-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.next-run-info .label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.next-run-info .countdown {
  font-size: 2rem;
  font-weight: 900;
  color: var(--slate-900);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.next-run-info .schedule-label {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ─── Botões ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
  text-decoration: none;
  font-family: inherit;
  letter-spacing: -0.01em;
}

.btn-primary {
  background: var(--green-600);
  color: white;
  box-shadow: 0 2px 8px rgba(22,163,74,0.35), 0 0 0 0 rgba(22,163,74,0);
}

.btn-primary:hover:not(:disabled) {
  background: var(--green-700);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(22,163,74,0.4);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-primary:disabled {
  background: var(--slate-300);
  color: var(--slate-500);
  cursor: not-allowed;
  box-shadow: none;
}

.btn-sm {
  padding: 7px 14px;
  font-size: 0.8rem;
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--slate-100);
  color: var(--text);
}

/* ─── Feedback ───────────────────────────────────────────────── */
#feedback {
  display: none;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
}

#feedback.success {
  background: var(--green-50);
  color: var(--green-700);
  border: 1px solid var(--green-100);
  display: block;
}

#feedback.error {
  background: #fef2f2;
  color: var(--danger);
  border: 1px solid #fecaca;
  display: block;
}

/* ─── Tabelas ────────────────────────────────────────────────── */
.table-container {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  overflow: hidden;
}

.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.table-header h3 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  background: var(--slate-50);
  padding: 11px 16px;
  text-align: left;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  border-bottom: 1px solid var(--border);
}

tbody tr {
  border-bottom: 1px solid var(--slate-100);
  transition: background 0.1s ease;
}

tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--slate-50); }

tbody td {
  padding: 13px 16px;
  font-size: 0.875rem;
  vertical-align: middle;
  color: var(--slate-700);
}

.text-muted { color: var(--text-muted) !important; font-size: 0.8rem; }
.text-ellipsis { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 300px; }

/* ─── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.badge-success { background: var(--green-50);  color: var(--green-700); border: 1px solid var(--green-100); }
.badge-danger  { background: #fef2f2;  color: #b91c1c; border: 1px solid #fecaca; }
.badge-warning { background: #fffbeb;  color: #92400e; border: 1px solid #fde68a; }
.badge-info    { background: #eff6ff;  color: #1d4ed8; border: 1px solid #bfdbfe; }

/* ─── Empty State ────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 52px 24px;
  color: var(--text-muted);
}

.empty-state .icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  opacity: 0.35;
}

.empty-state p {
  font-size: 0.875rem;
  max-width: 320px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ─── Spinner ────────────────────────────────────────────────── */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
  display: none;
  flex-shrink: 0;
}

.spinner.visible { display: block; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Footer ─────────────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 28px 24px;
  font-size: 0.78rem;
  color: var(--slate-400);
  border-top: 1px solid var(--border);
  margin-top: 16px;
}

/* ─── Google Ads ─────────────────────────────────────────────── */
.ads-setup-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  max-width: 640px;
  background-image: radial-gradient(ellipse at top right, #eff6ff 0%, transparent 60%);
}

.ads-setup-card .ads-setup-icon { font-size: 2.2rem; margin-bottom: 14px; }

.ads-setup-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ads-blue);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.ads-setup-card p { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 18px; line-height: 1.7; }

.ads-setup-code {
  background: var(--slate-900);
  color: var(--green-400);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-size: 0.78rem;
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  line-height: 2;
  overflow-x: auto;
  white-space: pre;
}

.ads-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.ads-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ads-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ads-blue), #6366f1);
}

.ads-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.ads-card-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 10px;
}

.ads-card-value {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--ads-blue);
  line-height: 1;
  letter-spacing: -0.03em;
}

.btn-ads {
  background: var(--ads-blue);
  color: white;
  box-shadow: 0 2px 8px rgba(26,115,232,0.3);
}

.btn-ads:hover:not(:disabled) {
  background: #1557b0;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(26,115,232,0.4);
}

.feedback-success {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--green-50);
  color: var(--green-700);
  border: 1px solid var(--green-100);
}

.feedback-error {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  background: #fef2f2;
  color: var(--danger);
  border: 1px solid #fecaca;
}

/* ─── Period Filter ──────────────────────────────────────── */

.period-filter {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.period-filter-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.period-filter-btns {
  display: flex;
  gap: 4px;
  background: var(--slate-100);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.period-btn {
  padding: 5px 14px;
  border-radius: 6px;
  border: none;
  background: transparent;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.period-btn:hover {
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.period-btn.active {
  background: var(--ads-blue);
  color: white;
  box-shadow: 0 2px 8px rgba(26,115,232,0.35);
}

.period-filter-range {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ─── Responsivo ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  header {
    grid-template-columns: auto 1fr;
    gap: 12px;
    padding: 0 16px;
    height: auto;
    min-height: var(--header-h);
    flex-wrap: wrap;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .status-indicator { display: none; }

  .app-nav {
    grid-column: 1 / -1;
    width: 100%;
    justify-content: stretch;
  }

  .nav-item { flex: 1; text-align: center; padding: 8px 12px; font-size: 0.8rem; }

  main { padding: 20px 16px 40px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .ads-grid { grid-template-columns: repeat(2, 1fr); }
  .control-panel { flex-direction: column; align-items: flex-start; }
  .text-ellipsis { max-width: 160px; }
  thead th:nth-child(n+4), tbody td:nth-child(n+4) { display: none; }
}