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

:root {
  --sidebar-bg: #1B2A4A;
  --sidebar-hover: #243558;
  --sidebar-active: #2d4170;
  --sidebar-text: #a8b8d8;
  --sidebar-text-bright: #e8edf5;
  --sidebar-width: 240px;
  --sidebar-collapsed: 60px;

  --cur-color: #4F8EF7;
  --cur-light: #dbeafe;
  --alerts-color: #DC3545;
  --alerts-light: #ffe0e3;

  --bg: #f0f4f8;
  --white: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-muted: #64748b;

  --radius: 10px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
}

body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--bg); color: var(--text); }

a { text-decoration: none; color: inherit; }

/* ── Portal Layout ────────────────────────────────────────────────────────── */
.portal-layout { display: flex; min-height: 100vh; }

/* ── Sidebar ──────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: width 0.25s ease;
  overflow: hidden;
}
.sidebar.collapsed { width: var(--sidebar-collapsed); }
.sidebar.collapsed .nav-label,
.sidebar.collapsed .nav-section,
.sidebar.collapsed .nav-agent-children,
.sidebar.collapsed .nav-chevron,
.sidebar.collapsed .logo-text { display: none; }

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  min-height: 64px;
}

.sidebar-logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { font-size: 22px; }
.logo-text { font-size: 16px; font-weight: 700; color: var(--sidebar-text-bright); white-space: nowrap; }

.sidebar-toggle {
  background: none; border: none; cursor: pointer;
  color: var(--sidebar-text); font-size: 18px; padding: 4px;
  border-radius: 4px; transition: color 0.2s;
}
.sidebar-toggle:hover { color: var(--sidebar-text-bright); }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 0; }
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 4px; }

.nav-section { padding: 16px 16px 4px; }
.nav-section-label { font-size: 10px; font-weight: 700; color: var(--sidebar-text); letter-spacing: 0.1em; text-transform: uppercase; }

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  color: var(--sidebar-text);
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.nav-item:hover { background: var(--sidebar-hover); color: var(--sidebar-text-bright); }
.nav-item.active { background: var(--sidebar-active); color: var(--sidebar-text-bright); }
.nav-icon { font-size: 16px; flex-shrink: 0; width: 20px; text-align: center; }

/* Agent sections */
.nav-agent { }
.nav-agent-header {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 10px 16px;
  background: none; border: none; cursor: pointer;
  color: var(--sidebar-text); font-size: 14px; text-align: left;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.nav-agent-header:hover { background: var(--sidebar-hover); color: var(--sidebar-text-bright); }
.nav-chevron { margin-left: auto; transition: transform 0.2s; font-size: 11px; }
.nav-agent.open .nav-chevron { transform: rotate(180deg); }

.nav-agent-children { display: none; }
.nav-agent.open .nav-agent-children { display: block; }
.nav-child {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 16px 8px 44px;
  color: var(--sidebar-text); font-size: 13px;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.nav-child:hover { background: var(--sidebar-hover); color: var(--sidebar-text-bright); }
.nav-child.active { background: var(--sidebar-active); color: var(--sidebar-text-bright); }

/* ── Main Content ─────────────────────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1; padding: 32px;
  transition: margin-left 0.25s ease;
  min-height: 100vh;
}
.sidebar.collapsed ~ .main-content { margin-left: var(--sidebar-collapsed); }

/* ── Page Header ──────────────────────────────────────────────────────────── */
.page-header { margin-bottom: 28px; }
.page-title { font-size: 26px; font-weight: 700; color: var(--text); }
.page-subtitle { font-size: 14px; color: var(--text-muted); margin-top: 4px; }

/* ── Breadcrumb ───────────────────────────────────────────────────────────── */
.breadcrumb { font-size: 13px; color: var(--text-muted); margin-bottom: 6px; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb span { margin: 0 6px; }

/* ── Home Grid ────────────────────────────────────────────────────────────── */
.home-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 28px; }
@media (max-width: 900px) { .home-grid { grid-template-columns: 1fr; } }

.agent-card {
  background: var(--white); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
  cursor: pointer; transition: transform 0.15s, box-shadow 0.15s;
  border-top: 4px solid transparent;
}
.agent-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.agent-card-cur { border-top-color: var(--cur-color); }
.agent-card-alerts { border-top-color: var(--alerts-color); }
.agent-card-icon { font-size: 36px; margin-bottom: 12px; }
.agent-card-info h2 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.agent-card-info p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.agent-card-links { display: flex; gap: 12px; margin-top: 18px; }
.agent-card-links a {
  padding: 6px 14px; border-radius: 6px; font-size: 13px; font-weight: 500;
  background: var(--bg); color: var(--text);
  transition: background 0.15s;
}
.agent-card-links a:hover { background: var(--border); }

/* ── Platform Stats ───────────────────────────────────────────────────────── */
.platform-stats { display: flex; gap: 16px; }
.stat-card {
  background: var(--white); border-radius: var(--radius);
  padding: 20px 28px; box-shadow: var(--shadow); text-align: center;
}
.stat-value { font-size: 32px; font-weight: 800; color: var(--cur-color); }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* ── Cards / Panels ───────────────────────────────────────────────────────── */
.card {
  background: var(--white); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow); margin-bottom: 20px;
}
.card-title { font-size: 16px; font-weight: 700; margin-bottom: 16px; color: var(--text); }

/* ── KPI Row ──────────────────────────────────────────────────────────────── */
.kpi-row { display: grid; gap: 16px; margin-bottom: 20px; }
.kpi-row-4 { grid-template-columns: repeat(4, 1fr); }
.kpi-row-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1100px) { .kpi-row-4 { grid-template-columns: repeat(2, 1fr); } }

.kpi-card {
  background: var(--white); border-radius: var(--radius);
  padding: 20px 24px; box-shadow: var(--shadow);
  border-left: 4px solid var(--cur-color);
}
.kpi-card.alert { border-left-color: var(--alerts-color); }
.kpi-card.green { border-left-color: #22c55e; }
.kpi-card.orange { border-left-color: #f97316; }
.kpi-label { font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.kpi-value { font-size: 28px; font-weight: 800; margin: 4px 0; }
.kpi-sub { font-size: 12px; color: var(--text-muted); }

/* ── Chart Grid ───────────────────────────────────────────────────────────── */
.chart-grid { display: grid; gap: 20px; margin-bottom: 20px; }
.chart-grid-2 { grid-template-columns: 1fr 1fr; }
.chart-grid-3 { grid-template-columns: 2fr 1fr; }
@media (max-width: 1000px) { .chart-grid-2, .chart-grid-3 { grid-template-columns: 1fr; } }

.chart-card {
  background: var(--white); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow);
}
.chart-card-title { font-size: 14px; font-weight: 700; margin-bottom: 14px; color: var(--text); }
.chart-container { position: relative; }
.chart-container canvas { max-height: 280px; }

/* ── Tables ───────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-weight: 600; font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; padding: 10px 12px; border-bottom: 2px solid var(--border); }
td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg); }

/* ── Tabs ─────────────────────────────────────────────────────────────────── */
.tabs { display: flex; gap: 0; margin-bottom: 24px; border-bottom: 2px solid var(--border); }
.tab-btn {
  padding: 12px 20px; font-size: 14px; font-weight: 500;
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); border-bottom: 2px solid transparent; margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--cur-color); border-bottom-color: var(--cur-color); }
.tab-btn.active.alert-tab { color: var(--alerts-color); border-bottom-color: var(--alerts-color); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Chat UI ──────────────────────────────────────────────────────────────── */
.chat-layout { display: grid; grid-template-columns: 280px 1fr; gap: 20px; height: calc(100vh - 160px); }
.chat-sidebar-panel {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); display: flex; flex-direction: column; overflow: hidden;
}
.chat-panel {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); display: flex; flex-direction: column; overflow: hidden;
}
.chat-panel-header {
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  font-weight: 700; font-size: 15px; display: flex; align-items: center; gap: 10px;
}
.chat-messages { flex: 1; overflow-y: auto; padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.message { max-width: 85%; display: flex; flex-direction: column; gap: 4px; }
.message.user { align-self: flex-end; }
.message.assistant { align-self: flex-start; }

.message-bubble {
  padding: 12px 16px; border-radius: 12px;
  font-size: 14px; line-height: 1.6; white-space: pre-wrap;
}
.message.user .message-bubble { background: var(--cur-color); color: white; border-radius: 12px 12px 2px 12px; }
.message.assistant .message-bubble { background: var(--bg); color: var(--text); border-radius: 12px 12px 12px 2px; }
.message-time { font-size: 11px; color: var(--text-muted); }
.message.user .message-time { text-align: right; }

.chat-input-area { padding: 16px; border-top: 1px solid var(--border); display: flex; gap: 10px; }
.chat-input {
  flex: 1; padding: 10px 16px; border: 1px solid var(--border);
  border-radius: 24px; font-size: 14px; outline: none;
  transition: border-color 0.15s;
}
.chat-input:focus { border-color: var(--cur-color); }
.chat-send {
  padding: 10px 20px; border-radius: 24px; border: none; cursor: pointer;
  background: var(--cur-color); color: white; font-size: 14px; font-weight: 600;
  transition: opacity 0.15s;
}
.chat-send:hover { opacity: 0.85; }
.chat-send.alert-send { background: var(--alerts-color); }

.chat-report-selector {
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.chat-report-selector label { color: var(--text-muted); font-weight: 600; display: block; margin-bottom: 6px; }
.chat-report-selector select {
  width: 100%; padding: 6px 10px; border: 1px solid var(--border);
  border-radius: 6px; font-size: 13px; background: var(--white);
}

.suggested-questions { padding: 12px 16px; border-top: 1px solid var(--border); }
.suggested-questions-title { font-size: 11px; font-weight: 700; color: var(--text-muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.05em; }
.sq-btn {
  display: block; width: 100%; text-align: left; padding: 7px 10px; margin-bottom: 5px;
  background: var(--bg); border: none; border-radius: 6px; cursor: pointer;
  font-size: 12px; color: var(--text); transition: background 0.15s;
}
.sq-btn:hover { background: var(--border); }

.chart-in-chat { margin-top: 10px; background: var(--white); border-radius: 8px; padding: 12px; border: 1px solid var(--border); }

/* ── Reports Page ─────────────────────────────────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 40px; text-align: center; cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.upload-zone:hover, .upload-zone.drag-over { border-color: var(--cur-color); background: #f0f7ff; }
.upload-zone.alert-upload:hover { border-color: var(--alerts-color); background: #fff5f5; }
.upload-icon { font-size: 48px; margin-bottom: 12px; }
.upload-title { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.upload-sub { font-size: 13px; color: var(--text-muted); }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  padding: 10px 20px; border-radius: 8px; border: none; cursor: pointer;
  font-size: 14px; font-weight: 600; transition: opacity 0.15s, transform 0.1s;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn:hover { opacity: 0.88; }
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--cur-color); color: white; }
.btn-danger { background: var(--alerts-color); color: white; }
.btn-secondary { background: var(--bg); color: var(--text); border: 1px solid var(--border); }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-icon { padding: 6px 10px; }

/* ── Badges ───────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block; padding: 2px 10px; border-radius: 12px; font-size: 11px; font-weight: 700;
}
.badge-noise { background: #ffe0e3; color: #b91c1c; }
.badge-genuine { background: #dcfce7; color: #15803d; }
.badge-p1 { background: #fee2e2; color: #dc2626; }
.badge-p2 { background: #ffedd5; color: #c2410c; }
.badge-p3 { background: #fef9c3; color: #854d0e; }
.badge-p4 { background: #f0f9ff; color: #075985; }
.badge-open { background: #dbeafe; color: #1d4ed8; }
.badge-closed { background: #f1f5f9; color: #475569; }
.badge-ready { background: #dcfce7; color: #15803d; }

/* ── Settings ─────────────────────────────────────────────────────────────── */
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .settings-grid { grid-template-columns: 1fr; } }

.settings-section-title { font-size: 13px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 14px; }
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.form-input, .form-select {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border);
  border-radius: 6px; font-size: 13px; outline: none; transition: border-color 0.15s;
}
.form-input:focus, .form-select:focus { border-color: var(--cur-color); }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

.coming-soon {
  opacity: 0.5; pointer-events: none; position: relative;
}
.coming-soon::after {
  content: "Coming Soon";
  position: absolute; top: 12px; right: 12px;
  background: var(--text-muted); color: white;
  font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 12px;
}

.radio-group { display: flex; flex-direction: column; gap: 10px; }
.radio-option { display: flex; align-items: center; gap: 10px; }
.radio-option input[type="radio"] { accent-color: var(--alerts-color); }
.radio-option label { font-size: 14px; }

/* ── Loading / Empty States ───────────────────────────────────────────────── */
.loading { display: flex; align-items: center; justify-content: center; padding: 60px; }
.loading-spinner {
  width: 36px; height: 36px; border: 3px solid var(--border);
  border-top-color: var(--cur-color); border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state { text-align: center; padding: 60px 20px; }
.empty-icon { font-size: 48px; margin-bottom: 16px; }
.empty-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.empty-sub { font-size: 14px; color: var(--text-muted); }

/* ── Typing Indicator ─────────────────────────────────────────────────────── */
.typing-indicator { display: flex; gap: 4px; align-items: center; padding: 12px 16px; }
.typing-dot { width: 8px; height: 8px; background: var(--text-muted); border-radius: 50%; animation: bounce 1.2s infinite; }
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes bounce { 0%, 60%, 100% { transform: translateY(0); } 30% { transform: translateY(-6px); } }

/* ── Toast ────────────────────────────────────────────────────────────────── */
#toast {
  position: fixed; bottom: 24px; right: 24px;
  padding: 12px 20px; background: #1e293b; color: white;
  border-radius: 8px; font-size: 14px; z-index: 999;
  opacity: 0; transform: translateY(8px); transition: all 0.2s;
  pointer-events: none;
}
#toast.show { opacity: 1; transform: translateY(0); }
#toast.success { background: #15803d; }
#toast.error { background: #dc2626; }

/* ── Heatmap ──────────────────────────────────────────────────────────────── */
.heatmap-grid { display: grid; grid-template-columns: repeat(24, 1fr); gap: 3px; }
.heatmap-cell { height: 32px; border-radius: 3px; background: #f1f5f9; transition: background 0.2s; }
.heatmap-label { display: grid; grid-template-columns: repeat(24, 1fr); gap: 3px; margin-top: 4px; }
.heatmap-label span { text-align: center; font-size: 10px; color: var(--text-muted); }

/* ── Noise score bar ──────────────────────────────────────────────────────── */
.noise-bar-wrap { display: flex; align-items: center; gap: 8px; }
.noise-bar-track { flex: 1; height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.noise-bar-fill { height: 100%; border-radius: 3px; background: var(--alerts-color); }
.noise-bar-val { font-size: 12px; font-weight: 700; min-width: 28px; text-align: right; color: var(--text-muted); }

/* ── Admin ────────────────────────────────────────────────────────────────── */
.admin-agent-card {
  background: var(--white); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow); display: flex; align-items: center; gap: 16px;
  margin-bottom: 14px;
}
.admin-agent-icon { font-size: 32px; }
.admin-agent-info { flex: 1; }
.admin-agent-info h3 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.admin-agent-info p { font-size: 13px; color: var(--text-muted); }
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 5px; }
.status-dot.active { background: #22c55e; }