/* ===== Insight Layer — Dark Crypto-style Theme ===== */
:root {
  --bg:          #0d0f14;
  --bg-card:     #141720;
  --bg-card2:    #1a1e2c;
  --border:      #252a3a;
  --border-hi:   #2e3550;
  --text:        #e2e8f0;
  --text-muted:  #8b98b8;
  --text-dim:    #5a6482;
  --accent:      #00d4aa;
  --accent-dim:  rgba(0,212,170,.15);
  --red:         #ff4757;
  --red-dim:     rgba(255,71,87,.15);
  --yellow:      #ffa502;
  --yellow-dim:  rgba(255,165,2,.15);
  --blue:        #5352ed;
  --radius:      8px;
  --radius-lg:   12px;
  --font:        'Inter', -apple-system, sans-serif;
  --sidebar-w:   220px;
  --topbar-h:    56px;
  --transition:  .15s ease;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { opacity: .85; }

/* ===== Layout ===== */
.app-layout { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  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;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 16px;
  border-bottom: 1px solid var(--border);
}
.logo-img { width: 28px; height: 28px; object-fit: contain; }
.logo-text { font-size: 15px; font-weight: 700; color: var(--text); letter-spacing: -.3px; }

.sidebar-nav { padding: 12px 8px; display: flex; flex-direction: column; gap: 2px; flex: 1; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 13.5px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}
.nav-item:hover { background: var(--bg-card2); color: var(--text); }
.nav-item.active { background: var(--accent-dim); color: var(--accent); }
.nav-item svg { flex-shrink: 0; opacity: .8; }

.nav-divider { height: 1px; background: var(--border); margin: 8px 4px; }
.nav-item-logout { margin-top: auto; color: var(--text-dim); }
.nav-item-logout:hover { background: var(--red-dim); color: var(--red); }

.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.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 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-breadcrumb { font-size: 13px; color: var(--text-muted); }
.topbar-breadcrumb a { color: var(--text-muted); }
.topbar-breadcrumb a:hover { color: var(--text); }
.topbar-breadcrumb .sep { margin: 0 6px; }
.user-badge {
  font-size: 12px;
  color: var(--text-dim);
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 12px;
}

.page-body { padding: 24px; max-width: 1400px; }

/* ===== Cards ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
}
.card-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* ===== KPI Cards ===== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.kpi-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.kpi-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 8px;
}
.kpi-delta {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
}
.kpi-delta.up   { background: var(--accent-dim); color: var(--accent); }
.kpi-delta.down { background: var(--red-dim);    color: var(--red); }
.kpi-delta.flat { background: var(--bg-card2);   color: var(--text-muted); }

/* ===== Charts ===== */
.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 24px;
}
.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.chart-title { font-size: 14px; font-weight: 600; }
.chart-wrap { position: relative; height: 240px; }

/* ===== Tables ===== */
.table-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 24px;
}
.table-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.table-card-title { font-size: 14px; font-weight: 600; }
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
thead th {
  text-align: left;
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-card2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg-card2); }
tbody td { padding: 11px 16px; color: var(--text); }
.td-muted { color: var(--text-muted); font-size: 12px; }
.td-link { cursor: pointer; }
.td-link:hover { color: var(--accent); }

/* ===== Delta cells ===== */
.delta-pos { color: var(--accent); font-weight: 600; }
.delta-neg { color: var(--red);    font-weight: 600; }
.delta-flat { color: var(--text-muted); }

/* ===== Status chips ===== */
.chip {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .3px;
}
.chip-ok       { background: var(--accent-dim); color: var(--accent); }
.chip-warn     { background: var(--yellow-dim); color: var(--yellow); }
.chip-error,
.chip-critical { background: var(--red-dim);    color: var(--red); }

/* ===== Tabs ===== */
.tabs { display: flex; gap: 4px; margin-bottom: 20px; }
.tab-btn {
  padding: 7px 18px;
  border-radius: var(--radius);
  background: var(--bg-card2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.tab-btn.active { background: var(--accent-dim); border-color: var(--accent); color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ===== Filter pills ===== */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.filter-pill {
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.filter-pill.active { background: var(--accent-dim); border-color: var(--accent); color: var(--accent); }

/* ===== Drilldown breadcrumb ===== */
.breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb .sep { color: var(--text-dim); }
.breadcrumb .current { color: var(--text); font-weight: 600; }

/* ===== JSON viewer ===== */
.json-viewer {
  background: #0a0c12;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12px;
  line-height: 1.7;
  color: #a8c4e0;
  white-space: pre;
  max-height: 500px;
  overflow-y: auto;
}

/* ===== Slack text viewer ===== */
.slack-text {
  background: #0a0c12;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12.5px;
  line-height: 1.7;
  color: #d0dce8;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ===== Page header ===== */
.page-header { margin-bottom: 24px; }
.page-title { font-size: 22px; font-weight: 700; letter-spacing: -.5px; margin-bottom: 4px; }
.page-subtitle { font-size: 13px; color: var(--text-muted); }

/* ===== Health panel ===== */
.health-panel {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 24px;
}
.health-item { display: flex; flex-direction: column; gap: 4px; }
.health-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); }
.health-value { font-size: 15px; font-weight: 700; }

/* ===== Login page ===== */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
}
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo-text { font-size: 20px; font-weight: 700; color: var(--text); }
.login-logo-sub { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ===== Forms ===== */
.form-group { margin-bottom: 16px; }
label { display: block; font-size: 12px; font-weight: 600; color: var(--text-muted); margin-bottom: 6px; letter-spacing: .3px; text-transform: uppercase; }
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
select,
textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  color: var(--text);
  padding: 9px 12px;
  font-family: var(--font);
  font-size: 14px;
  transition: border var(--transition);
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 80px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}
.btn-primary { background: var(--accent); color: #0d0f14; }
.btn-primary:hover { opacity: .9; }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-outline { background: transparent; border: 1px solid var(--border-hi); color: var(--text-muted); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.alert-success {
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 13px;
  margin-bottom: 16px;
}
.alert-error {
  background: var(--red-dim);
  border: 1px solid var(--red);
  color: var(--red);
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 13px;
  margin-bottom: 16px;
}

/* ===== Pagination ===== */
.pagination { display: flex; gap: 6px; align-items: center; margin-top: 16px; }
.pagination a, .pagination span {
  padding: 5px 12px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
}
.pagination a { background: var(--bg-card2); border: 1px solid var(--border); color: var(--text-muted); }
.pagination a:hover { border-color: var(--accent); color: var(--accent); }
.pagination .current-page { background: var(--accent-dim); border: 1px solid var(--accent); color: var(--accent); }

/* ===== Utilities ===== */
.row { display: flex; gap: 20px; flex-wrap: wrap; }
.col-6 { flex: 1; min-width: 280px; }
.col-4 { flex: 0 0 calc(33.333% - 14px); min-width: 200px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-4 { margin-bottom: 16px; }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }
.text-red { color: var(--red); }
.text-right { text-align: right; }
.bold { font-weight: 700; }
.font-mono { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 12px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }

@media (max-width: 900px) {
  .sidebar { display: none; }
  .main-content { margin-left: 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}