/* ── Reset & Variables ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green: #1a7a4a;
  --green-light: #e8f5ee;
  --green-mid: #2d9e64;
  --green-dark: #125533;
  --green-accent: #00c96b;
  --white: #ffffff;
  --bg: #f5f7f5;
  --surface: #ffffff;
  --border: #e4ebe7;
  --text: #0f1f16;
  --text-muted: #5a7266;
  --text-light: #96b0a4;
  --red: #e53e3e;
  --red-light: #fff5f5;
  --orange: #dd6b20;
  --orange-light: #fffaf0;
  --sidebar-w: 220px;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
}

html, body { height: 100%; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; font-size: 14px; color: var(--text); background: var(--bg); }

/* ── Layout ─────────────────────────────────────────────────── */
body { display: flex; }

.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--white);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  z-index: 100;
}

.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 24px;
  max-width: calc(100vw - var(--sidebar-w));
  overflow-x: hidden;
}

/* ── Sidebar ────────────────────────────────────────────────── */
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  color: var(--green-dark);
  margin-bottom: 24px;
}

.sidebar-nav { margin-bottom: 20px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  transition: all 0.15s;
  margin-bottom: 2px;
}
.nav-item:hover { background: var(--green-light); color: var(--green); }
.nav-item.active { background: var(--green); color: white; }
.nav-item.active svg { stroke: white; }

.sidebar-section-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-light);
  margin: 16px 0 8px;
}

.date-presets { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }

.preset-btn {
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}
.preset-btn:hover { border-color: var(--green); color: var(--green); }
.preset-btn.active { background: var(--green); border-color: var(--green); color: white; }

.custom-date-inputs { display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; }
.date-input { padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; font-size: 12px; width: 100%; }
.apply-btn { padding: 6px; background: var(--green); color: white; border: none; border-radius: 6px; cursor: pointer; font-size: 12px; }

.compare-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  margin-bottom: 4px;
}
.compare-toggle input { accent-color: var(--green); }

.filter-select {
  width: 100%;
  padding: 7px 8px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 12px;
  color: var(--text);
  background: white;
  margin-bottom: 6px;
  cursor: pointer;
}
.filter-select:focus { outline: none; border-color: var(--green); }

.sidebar-footer { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--border); }

.sync-info { font-size: 11px; color: var(--text-light); margin-bottom: 8px; }

.sync-btn {
  width: 100%;
  padding: 7px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: white;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  margin-bottom: 12px;
  transition: all 0.15s;
}
.sync-btn:hover { border-color: var(--green); color: var(--green); }

.user-info { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.user-avatar { width: 28px; height: 28px; border-radius: 50%; }
.user-info span { font-size: 12px; font-weight: 500; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.logout-link { font-size: 11px; color: var(--text-light); text-decoration: none; }
.logout-link:hover { color: var(--red); }

/* ── Header ─────────────────────────────────────────────────── */
.main-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 20px; }
.page-title { font-size: 22px; font-weight: 700; color: var(--text); }
.page-subtitle { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.period-badge { background: var(--green-light); color: var(--green-dark); font-size: 12px; font-weight: 600; padding: 5px 12px; border-radius: 20px; }

/* ── Anomaly digest ─────────────────────────────────────────── */
.anomaly-section {
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 3px solid var(--green-accent);
  border-radius: var(--radius);
  margin-bottom: 20px;
  overflow: hidden;
}
.anomaly-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.anomaly-label { font-size: 13px; font-weight: 600; color: var(--text); }
.anomaly-toggle { background: none; border: none; font-size: 12px; color: var(--text-muted); cursor: pointer; }
.anomaly-body { padding: 14px 16px; font-size: 13px; line-height: 1.6; overflow-y: auto; max-height: 400px; }
.anomaly-body ul { padding-left: 18px; }
.anomaly-body li { margin-bottom: 6px; }
.anomaly-body li.positive { color: var(--green); }
.anomaly-body li.negative { color: var(--red); }
.no-anomalies { color: var(--text-muted); font-style: italic; }

/* ── KPI Grid ───────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.kpi-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  transition: box-shadow 0.15s;
}
.kpi-card:hover { box-shadow: var(--shadow); }

.kpi-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); margin-bottom: 6px; }
.kpi-value { font-size: 24px; font-weight: 700; color: var(--text); line-height: 1.1; margin-bottom: 4px; }
.kpi-split { font-size: 11px; color: var(--text-muted); display: flex; gap: 12px; margin-bottom: 6px; }
.kpi-split b { color: var(--text); }
.kpi-compare { font-size: 12px; font-weight: 600; }
.kpi-compare.up { color: var(--green); }
.kpi-compare.down { color: var(--red); }
.kpi-compare.neutral { color: var(--text-light); }

/* ── Charts ─────────────────────────────────────────────────── */
.charts-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.charts-row:first-of-type { grid-template-columns: 2fr 1fr; }

.chart-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.chart-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.chart-title { font-size: 13px; font-weight: 600; color: var(--text); }
.chart-toggles { display: flex; gap: 6px; }
.chart-tog { padding: 4px 10px; border-radius: 6px; border: 1px solid var(--border); background: white; font-size: 12px; color: var(--text-muted); cursor: pointer; }
.chart-tog.active { background: var(--green); border-color: var(--green); color: white; }

/* ── AI Panels ──────────────────────────────────────────────── */
.ai-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }

.ai-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.ai-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: #fafdfb;
}
.ai-badge {
  background: var(--green);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}
.ai-badge-orange { background: var(--orange); }
.ai-title { font-size: 13px; font-weight: 600; flex: 1; }
.refresh-ai-btn { background: none; border: none; font-size: 12px; color: var(--text-muted); cursor: pointer; }
.refresh-ai-btn:hover { color: var(--green); }
.ai-body { padding: 16px; font-size: 13px; line-height: 1.7; color: var(--text); }
.ai-body ul { padding-left: 18px; }
.ai-body li { margin-bottom: 8px; }

/* ── Table ──────────────────────────────────────────────────── */
.table-section {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 20px;
  overflow: hidden;
}
.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.table-title { font-size: 13px; font-weight: 600; }
.table-search {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 12px;
  width: 220px;
}
.table-search:focus { outline: none; border-color: var(--green); }
.table-wrap { overflow-x: auto; }

.campaign-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.campaign-table th {
  padding: 10px 12px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: #fafdfb;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  cursor: pointer;
}
.campaign-table th:hover { color: var(--green); }
.campaign-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.campaign-table tr:hover td { background: var(--green-light); }
.campaign-table tr:last-child td { border-bottom: none; }

.ch-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}
.ch-Google { background: #e8f0fe; color: #1a73e8; }
.ch-Facebook { background: #e8eaf6; color: #3b5998; }
.ch-Snapchat { background: #fff9e6; color: #f7b500; }

/* ── Ask the Dashboard ──────────────────────────────────────── */
.ask-section {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 24px;
  overflow: hidden;
}
.ask-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: #fafdfb;
}
.ask-title { font-size: 13px; font-weight: 600; flex: 1; }
.clear-chat-btn { background: none; border: none; font-size: 12px; color: var(--text-muted); cursor: pointer; }
.clear-chat-btn:hover { color: var(--red); }

.chat-window { min-height: 200px; max-height: 420px; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; }

.chat-welcome { color: var(--text-muted); }
.chat-welcome p { font-size: 13px; margin-bottom: 10px; }
.suggestion-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: white;
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
}
.chip:hover { border-color: var(--green); color: var(--green); background: var(--green-light); }

.chat-msg { display: flex; flex-direction: column; gap: 4px; max-width: 85%; }
.chat-msg.user { align-self: flex-end; align-items: flex-end; }
.chat-msg.assistant { align-self: flex-start; }
.msg-bubble {
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.6;
}
.user .msg-bubble { background: var(--green); color: white; border-bottom-right-radius: 4px; }
.assistant .msg-bubble { background: var(--bg); border: 1px solid var(--border); color: var(--text); border-bottom-left-radius: 4px; }
.assistant .msg-bubble ul { padding-left: 18px; }
.msg-label { font-size: 11px; color: var(--text-light); }

.ask-input-row {
  display: flex;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
}
.ask-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
}
.ask-input:focus { outline: none; border-color: var(--green); }
.ask-send-btn {
  padding: 10px 16px;
  background: var(--green);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: background 0.15s;
}
.ask-send-btn:hover { background: var(--green-dark); }

/* ── Auth pages ─────────────────────────────────────────────── */
.auth-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--bg); margin: 0; }
.auth-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  text-align: center;
}
.auth-logo { margin-bottom: 20px; }
.auth-title { font-size: 22px; font-weight: 700; margin-bottom: 10px; }
.auth-subtitle { font-size: 14px; color: var(--text-muted); margin-bottom: 28px; line-height: 1.6; }
.google-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: white;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s;
}
.google-btn:hover { border-color: var(--green); box-shadow: 0 2px 8px rgba(26,122,74,0.12); }

/* ── Utilities ──────────────────────────────────────────────── */
.loading-pulse {
  color: var(--text-light);
  font-style: italic;
  font-size: 13px;
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }

.typing-indicator { display: flex; gap: 4px; padding: 10px 14px; }
.typing-dot { width: 7px; height: 7px; background: var(--text-light); border-radius: 50%; animation: bounce 1.2s ease-in-out infinite; }
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes bounce { 0%,80%,100%{transform:scale(0)} 40%{transform:scale(1)} }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1200px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .charts-row { grid-template-columns: 1fr; }
  .charts-row:first-of-type { grid-template-columns: 1fr; }
  .ai-row { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }
  .sidebar { display: none; }
  .main { margin-left: 0; padding: 16px; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
}