/* ═══════════════════════════════════════════════════════
   HARVEST IQ — Design System
   Version: 1.0.0
   ═══════════════════════════════════════════════════════ */

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-tertiary: #1a2235;
  --bg-elevated: #1e293b;
  --bg-hover: #243044;
  --bg-active: #2a3a52;
  --border-subtle: rgba(148,163,184,0.08);
  --border-default: rgba(148,163,184,0.12);
  --border-strong: rgba(148,163,184,0.2);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --text-muted: #475569;
  --accent-green: #22c55e;
  --accent-green-dim: rgba(34,197,94,0.12);
  --accent-amber: #f59e0b;
  --accent-amber-dim: rgba(245,158,11,0.12);
  --accent-red: #ef4444;
  --accent-red-dim: rgba(239,68,68,0.12);
  --accent-blue: #3b82f6;
  --accent-blue-dim: rgba(59,130,246,0.12);
  --accent-purple: #a78bfa;
  --accent-purple-dim: rgba(167,139,250,0.1);
  --accent-cyan: #06b6d4;
  --accent-cyan-dim: rgba(6,182,212,0.1);
  --tier-1: #22c55e;
  --tier-2: #3b82f6;
  --tier-3: #f59e0b;
  --tier-4: #ef4444;
  --font-sans: 'DM Sans', -apple-system, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-xl: 14px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
  --header-h: 56px;
  --sidebar-w: 260px;
  --drawer-w: 520px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; overflow: hidden; }
body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ═══ SCROLLBAR ═══ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ═══ LOADING ═══ */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.3s;
}
.loading-overlay.hidden { opacity: 0; pointer-events: none; }
.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-default);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 12px;
}
.loading-text { font-size: 13px; color: var(--text-tertiary); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ═══ HEADER ═══ */
.header {
  height: var(--header-h);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 16px;
  position: relative;
  z-index: 100;
}
.logo { display: flex; align-items: baseline; gap: 8px; flex-shrink: 0; }
.logo-mark {
  font-family: var(--font-serif);
  font-size: 22px;
  font-style: italic;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}
.logo-tag {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.header-divider { width: 1px; height: 24px; background: var(--border-default); }

/* Search */
.search-container { flex: 1; max-width: 520px; position: relative; }
.search-icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--text-tertiary); pointer-events: none;
}
.search-input {
  width: 100%; height: 36px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0 12px 0 36px;
  font-family: var(--font-sans); font-size: 13px;
  color: var(--text-primary); outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus { border-color: var(--accent-blue); box-shadow: 0 0 0 2px rgba(59,130,246,0.15); }
.search-count {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary);
}

/* Header actions */
.header-actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 12px; border-radius: var(--radius-md);
  font-family: var(--font-sans); font-size: 12px; font-weight: 500;
  cursor: pointer; border: 1px solid var(--border-default);
  background: var(--bg-tertiary); color: var(--text-secondary);
  transition: all 0.15s; white-space: nowrap;
}
.btn:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--border-strong); }
.btn-primary { background: var(--accent-blue); color: white; border-color: var(--accent-blue); }
.btn-primary:hover { background: #2563eb; }
.btn-compare { background: var(--accent-purple-dim); color: var(--accent-purple); border-color: rgba(167,139,250,0.25); }
.btn-compare:hover { background: rgba(167,139,250,0.18); }
.btn svg { width: 14px; height: 14px; flex-shrink: 0; }
.tbv-badge-count { font-family: var(--font-mono); font-size: 11px; color: var(--accent-red); margin-left: 2px; }

/* ═══ LAYOUT ═══ */
.app-layout { display: flex; height: calc(100vh - var(--header-h)); }

/* ═══ SIDEBAR ═══ */
.sidebar {
  width: var(--sidebar-w); background: var(--bg-secondary);
  border-right: 1px solid var(--border-default);
  overflow-y: auto; flex-shrink: 0; padding: 12px;
}
.filter-section { margin-bottom: 16px; }
.filter-label {
  font-size: 10px; font-weight: 600; letter-spacing: 1px;
  text-transform: uppercase; color: var(--text-tertiary); padding: 0 4px 6px;
}
.filter-options { display: flex; flex-direction: column; gap: 1px; }
.filter-opt {
  display: flex; align-items: center; justify-content: space-between;
  padding: 5px 8px; border-radius: var(--radius-sm);
  cursor: pointer; transition: background 0.1s; user-select: none;
}
.filter-opt:hover { background: var(--bg-hover); }
.filter-opt.active { background: var(--accent-blue-dim); }
.filter-opt.active .filter-opt-name { color: var(--accent-blue); }
.filter-opt-name {
  font-size: 12px; color: var(--text-secondary);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 170px;
}
.filter-opt-count { font-family: var(--font-mono); font-size: 10px; color: var(--text-muted); flex-shrink: 0; }
.filter-divider { height: 1px; background: var(--border-subtle); margin: 8px 0; }
.filter-toggle {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 8px; border-radius: var(--radius-sm);
  cursor: pointer; transition: background 0.1s;
}
.filter-toggle:hover { background: var(--bg-hover); }
.filter-toggle.active { background: var(--accent-green-dim); }
.filter-toggle.active .toggle-dot { background: var(--accent-green); }
.filter-toggle.active .filter-opt-name { color: var(--accent-green); }
.toggle-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--text-muted); transition: background 0.15s; flex-shrink: 0;
}
.segment-tabs { display: flex; flex-wrap: wrap; gap: 4px; padding: 0 4px 4px; }
.seg-tab {
  font-size: 11px; font-weight: 500; padding: 3px 8px;
  border-radius: var(--radius-sm); cursor: pointer;
  background: var(--bg-tertiary); color: var(--text-tertiary);
  border: 1px solid transparent; transition: all 0.12s;
}
.seg-tab:hover { color: var(--text-secondary); background: var(--bg-hover); }
.seg-tab.active { background: var(--accent-blue-dim); color: var(--accent-blue); border-color: rgba(59,130,246,0.2); }
.clear-filters {
  font-size: 11px; color: var(--accent-red); cursor: pointer;
  padding: 4px 8px; text-align: center; border-radius: var(--radius-sm); display: none;
}
.clear-filters:hover { background: var(--accent-red-dim); }
.clear-filters.visible { display: block; }

/* ═══ MAIN CONTENT ═══ */
.main-content { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-width: 0; }
.status-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 16px; background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle); flex-shrink: 0;
}
.status-left { display: flex; align-items: center; gap: 16px; }
.status-stat { display: flex; align-items: center; gap: 4px; }
.status-num { font-family: var(--font-mono); font-size: 14px; font-weight: 600; color: var(--text-primary); }
.status-label { font-size: 11px; color: var(--text-tertiary); }
.status-divider { width: 1px; height: 16px; background: var(--border-default); }
.active-filters { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.filter-chip {
  display: inline-flex; align-items: center; gap: 4px;
  height: 22px; padding: 0 8px; border-radius: 11px; font-size: 11px;
  background: var(--accent-blue-dim); color: var(--accent-blue); cursor: pointer;
}
.filter-chip:hover { background: rgba(59,130,246,0.2); }
.filter-chip .x { font-size: 13px; line-height: 1; }

/* ═══ TABLE ═══ */
.table-container { flex: 1; overflow: auto; position: relative; }
table { width: 100%; border-collapse: collapse; table-layout: fixed; }
thead { position: sticky; top: 0; z-index: 10; }
th {
  background: var(--bg-tertiary); border-bottom: 1px solid var(--border-default);
  padding: 6px 12px; text-align: left; font-size: 10px; font-weight: 600;
  letter-spacing: 0.8px; text-transform: uppercase; color: var(--text-tertiary);
  white-space: nowrap; cursor: pointer; user-select: none; transition: color 0.1s;
}
th:hover { color: var(--text-secondary); }
th.sorted { color: var(--accent-blue); }
th .sort-arrow { display: inline-block; margin-left: 3px; opacity: 0; transition: opacity 0.1s; font-size: 9px; }
th:hover .sort-arrow { opacity: 0.4; }
th.sorted .sort-arrow { opacity: 1; }
th.col-check { width: 36px; cursor: default; }
th.col-vendor { width: 200px; }
th.col-category { width: 130px; }
th.col-segment { width: 90px; }
th.col-ee { width: 80px; }
th.col-pricing { width: 100px; }
th.col-tier { width: 60px; }
th.col-g2 { width: 60px; }
th.col-en { width: 50px; }
th.col-broker { width: 60px; }
th.col-confidence { width: 60px; }
th.col-diff { width: 200px; }
th.col-watch { width: 200px; }

tr.data-row {
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer; transition: background 0.08s;
}
tr.data-row:hover { background: var(--bg-hover); }
tr.data-row.selected { background: var(--accent-blue-dim); }
tr.data-row.checked { background: var(--accent-purple-dim); }
td {
  padding: 8px 12px; font-size: 12.5px; color: var(--text-secondary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; vertical-align: middle;
}

/* Cell types */
.vendor-name { font-weight: 600; color: var(--text-primary); }
.vendor-hq { font-size: 11px; color: var(--text-tertiary); margin-top: 1px; }

.cat-badge {
  display: inline-block; padding: 2px 7px; border-radius: var(--radius-sm);
  font-size: 11px; font-weight: 500; background: var(--bg-elevated); border: 1px solid var(--border-subtle);
}
.cat-PEO { background: rgba(239,68,68,0.08); color: #f87171; border-color: rgba(239,68,68,0.15); }
.cat-HCM_Suite { background: rgba(59,130,246,0.08); color: #60a5fa; border-color: rgba(59,130,246,0.15); }
.cat-Time_Attendance { background: rgba(34,197,94,0.08); color: #4ade80; border-color: rgba(34,197,94,0.15); }
.cat-Local_Payroll { background: rgba(245,158,11,0.08); color: #fbbf24; border-color: rgba(245,158,11,0.15); }
.cat-Payroll_Adjacent { background: rgba(6,182,212,0.08); color: #22d3ee; border-color: rgba(6,182,212,0.15); }
.cat-Vertical_HCM, .cat-Vertical_ERP { background: rgba(168,85,247,0.08); color: #c084fc; border-color: rgba(168,85,247,0.15); }
.cat-Staffing_Platform { background: rgba(244,114,182,0.08); color: #f472b6; border-color: rgba(244,114,182,0.15); }
.cat-HRIS { background: rgba(45,212,191,0.08); color: #2dd4bf; border-color: rgba(45,212,191,0.15); }
.cat-Benefits_Admin { background: rgba(129,140,248,0.08); color: #818cf8; border-color: rgba(129,140,248,0.15); }
.cat-HRO, .cat-PEO_ASO { background: rgba(251,146,60,0.08); color: #fb923c; border-color: rgba(251,146,60,0.15); }
.cat-Performance_Engagement { background: rgba(52,211,153,0.08); color: #34d399; border-color: rgba(52,211,153,0.15); }
.cat-Payroll_Processor { background: rgba(96,165,250,0.08); color: #60a5fa; border-color: rgba(96,165,250,0.15); }

.tier-badge {
  display: inline-block; padding: 1px 6px; border-radius: var(--radius-sm);
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
}
.tier-1 { background: rgba(34,197,94,0.1); color: var(--tier-1); }
.tier-2 { background: rgba(59,130,246,0.1); color: var(--tier-2); }
.tier-3 { background: rgba(245,158,11,0.1); color: var(--tier-3); }
.tier-4 { background: rgba(239,68,68,0.1); color: var(--tier-4); }
.tier-tbv { background: var(--bg-elevated); color: var(--text-muted); }

.conf-badge { display: inline-flex; align-items: center; gap: 3px; font-size: 11px; font-weight: 500; }
.conf-dot { width: 6px; height: 6px; border-radius: 50%; }
.conf-D .conf-dot { background: var(--accent-green); }
.conf-D { color: var(--accent-green); }
.conf-E .conf-dot { background: var(--accent-amber); }
.conf-E { color: var(--accent-amber); }
.conf-TBV .conf-dot { background: var(--accent-red); }
.conf-TBV { color: var(--accent-red); }

.bool-y { color: var(--accent-green); font-weight: 600; }
.bool-n { color: var(--text-muted); }
.bool-tbv { color: var(--accent-amber); font-size: 11px; }
.g2-cell { font-family: var(--font-mono); font-size: 12px; }
.g2-high { color: var(--accent-green); }
.g2-mid { color: var(--accent-amber); }
.g2-low { color: var(--accent-red); }
.cell-truncate { max-width: 200px; overflow: hidden; text-overflow: ellipsis; }
.cell-watch { font-size: 11px; color: var(--accent-amber); }

/* Checkbox */
.check-cell { display: flex; align-items: center; justify-content: center; }
.row-check {
  width: 16px; height: 16px; border: 1.5px solid var(--border-strong);
  border-radius: 3px; cursor: pointer; display: flex;
  align-items: center; justify-content: center; transition: all 0.12s; background: transparent;
}
.row-check:hover { border-color: var(--accent-purple); }
.row-check.checked { background: var(--accent-purple); border-color: var(--accent-purple); }
.row-check.checked::after { content: '✓'; color: white; font-size: 10px; font-weight: 700; }

/* ═══ DRAWER ═══ */
.drawer-overlay {
  display: none; position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.4); z-index: 50;
}
.drawer-overlay.open { display: block; }
.drawer {
  position: fixed; top: var(--header-h); right: -560px;
  width: var(--drawer-w); height: calc(100vh - var(--header-h));
  background: var(--bg-secondary); border-left: 1px solid var(--border-default);
  box-shadow: var(--shadow-lg); z-index: 60; overflow-y: auto;
  transition: right 0.25s cubic-bezier(0.4,0,0.2,1);
}
.drawer.open { right: 0; }
.drawer-header {
  position: sticky; top: 0; background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-default); padding: 16px 20px; z-index: 5;
}
.drawer-close {
  position: absolute; top: 12px; right: 12px; width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm); cursor: pointer;
  color: var(--text-tertiary); transition: all 0.1s;
  background: none; border: none; font-size: 18px;
}
.drawer-close:hover { background: var(--bg-hover); color: var(--text-primary); }
.drawer-vendor-name {
  font-family: var(--font-serif); font-size: 24px; font-style: italic;
  color: var(--text-primary); margin-bottom: 4px; padding-right: 32px;
}
.drawer-vendor-aka { font-size: 12px; color: var(--text-tertiary); margin-bottom: 8px; }
.drawer-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.drawer-meta .cat-badge { font-size: 12px; }
.drawer-body { padding: 0 20px 40px; }
.drawer-section { padding: 16px 0; border-bottom: 1px solid var(--border-subtle); }
.drawer-section:last-child { border-bottom: none; }
.drawer-section-title {
  font-size: 10px; font-weight: 600; letter-spacing: 1.2px;
  text-transform: uppercase; color: var(--text-tertiary); margin-bottom: 10px;
  display: flex; align-items: center; gap: 6px; cursor: pointer;
}
.drawer-section-title .arrow { font-size: 8px; transition: transform 0.15s; }
.drawer-section.collapsed .arrow { transform: rotate(-90deg); }
.drawer-section.collapsed .drawer-section-content { display: none; }
.detail-grid { display: grid; grid-template-columns: 140px 1fr; gap: 4px 12px; }
.detail-key { font-size: 11px; color: var(--text-muted); padding: 3px 0; }
.detail-val { font-size: 12px; color: var(--text-secondary); padding: 3px 0; word-break: break-word; white-space: normal; }
.detail-val a { color: var(--accent-blue); text-decoration: none; }
.detail-val a:hover { text-decoration: underline; }
.detail-val.highlight { color: var(--text-primary); font-weight: 500; }
.detail-val.warn { color: var(--accent-amber); }
.detail-val.danger { color: var(--accent-red); }
.feat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 6px; }
.feat-item {
  display: flex; align-items: center; gap: 6px;
  padding: 4px 8px; border-radius: var(--radius-sm);
  background: var(--bg-tertiary); font-size: 11px;
}
.feat-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.feat-y .feat-dot { background: var(--accent-green); }
.feat-y { color: var(--text-secondary); }
.feat-n .feat-dot { background: var(--text-muted); }
.feat-n { color: var(--text-muted); }
.feat-source { font-size: 10px; color: var(--text-muted); margin-left: auto; }

/* ═══ PANELS (Compare, Watch, TBV, Feeds) ═══ */
.compare-panel, .watch-panel, .tbv-panel, .feeds-panel {
  display: none; position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
  background: var(--bg-primary); z-index: 40; overflow: auto;
}
.compare-panel.open, .watch-panel.open, .tbv-panel.open, .feeds-panel.open { display: block; }
.compare-header, .watch-header {
  position: sticky; top: 0; background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-default); padding: 12px 20px;
  display: flex; align-items: center; justify-content: space-between; z-index: 5;
}
.compare-title { font-family: var(--font-serif); font-size: 18px; font-style: italic; }
.compare-body, .watch-body { padding: 16px 20px; }
.compare-toggle-same { font-size: 11px; color: var(--accent-blue); cursor: pointer; margin-left: 12px; }

/* Compare table */
.compare-table { width: 100%; border-collapse: collapse; }
.compare-table th {
  background: var(--bg-tertiary); padding: 8px 14px; text-align: left;
  font-size: 12px; font-weight: 500; color: var(--text-secondary);
  border-bottom: 1px solid var(--border-default); position: sticky; top: 48px; z-index: 4;
}
.compare-table th:first-child {
  width: 180px; color: var(--text-tertiary); font-size: 11px; font-weight: 600;
  letter-spacing: 0.5px; text-transform: uppercase;
}
.compare-table td {
  padding: 7px 14px; border-bottom: 1px solid var(--border-subtle);
  font-size: 12px; color: var(--text-secondary); vertical-align: top;
  white-space: normal; max-width: 280px;
}
.compare-table td:first-child { color: var(--text-muted); font-size: 11px; font-weight: 500; white-space: nowrap; }
.compare-table tr.diff-row td { background: rgba(59,130,246,0.04); }

/* Watch & TBV cards */
.watch-card {
  background: var(--bg-secondary); border: 1px solid var(--border-default);
  border-radius: var(--radius-lg); padding: 14px 16px; margin-bottom: 8px;
  cursor: pointer; transition: border-color 0.12s;
}
.watch-card:hover { border-color: var(--border-strong); }
.watch-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.watch-card-name { font-weight: 600; color: var(--text-primary); font-size: 13px; }
.watch-card-type { font-size: 10px; padding: 2px 6px; border-radius: var(--radius-sm); }
.watch-type-ma { background: var(--accent-red-dim); color: var(--accent-red); }
.watch-type-watch { background: var(--accent-amber-dim); color: var(--accent-amber); }
.watch-card-body { font-size: 12px; color: var(--text-secondary); line-height: 1.6; }
.watch-card-meta { margin-top: 6px; font-size: 11px; color: var(--text-muted); }

/* Feeds */
.feeds-config { max-width: 800px; margin: 0 auto; padding: 20px; }
.feed-item {
  background: var(--bg-secondary); border: 1px solid var(--border-default);
  border-radius: var(--radius-lg); padding: 14px 16px; margin-bottom: 8px;
  display: flex; align-items: center; justify-content: space-between;
}
.feed-info { flex: 1; }
.feed-name { font-weight: 600; color: var(--text-primary); font-size: 13px; }
.feed-url { font-size: 11px; color: var(--text-tertiary); font-family: var(--font-mono); margin-top: 2px; }
.feed-status { display: flex; align-items: center; gap: 4px; font-size: 11px; }
.feed-active { color: var(--accent-green); }
.feed-inactive { color: var(--text-muted); }

/* ═══ ANIMATIONS ═══ */
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 1100px) {
  .sidebar { width: 220px; }
  :root { --drawer-w: 440px; }
}
@media (max-width: 900px) {
  .sidebar { display: none; }
  .logo-tag { display: none; }
}