/* RidgeCrest Venture Intelligence - Design System */
:root {
  --bg-dark: #0a0a0a;
  --bg-panel: #141414;
  --bg-card: #1a1a1a;
  --bg-hover: #222222;
  --border: #2a2a2a;
  --border-light: #333;
  --text-primary: #e0e0e0;
  --text-secondary: #888;
  --text-muted: #555;
  --accent: #ffffff;
  --accent-dim: #999;
  --danger: #555;
  --stage-sourced: #2a2a2a;
  --stage-screening: #1a2a1a;
  --stage-qualified: #1a1a2a;
  --stage-assessment: #2a1a1a;
  --stage-dd: #2a2a1a;
  --stage-decision: #1a1a1a;
  --stage-invested: #1a2a2a;
  --stage-rejected: #2a1a1a;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'JetBrains Mono', monospace;
}

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

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

a { color: var(--text-primary); text-decoration: none; }
a:hover { color: var(--accent); }

/* ═══ LAYOUT ═══ */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  z-index: 10;
}

.sidebar-brand {
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}
.sidebar-brand h1 { font-size: 18px; font-weight: 600; letter-spacing: 0.5px; }
.sidebar-brand span { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

.sidebar-nav { padding: 8px 0; }
.sidebar-nav a {
  display: flex; align-items: center;
  padding: 10px 20px;
  font-size: 13px;
  color: var(--text-secondary);
  border-left: 2px solid transparent;
  transition: all 0.15s;
}
.sidebar-nav a:hover,
.sidebar-nav a.active {
  color: var(--text-primary);
  background: var(--bg-hover);
  border-left-color: var(--accent);
}
.sidebar-nav a .icon { width: 20px; margin-right: 10px; text-align: center; font-size: 14px; }

.sidebar-footer {
  position: absolute; bottom: 0;
  width: 100%;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}

.main {
  margin-left: 240px;
  flex: 1;
  padding: 32px 40px;
  max-width: 1400px;
}

/* ═══ HEADER ═══ */
.page-header {
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.page-header h2 { font-size: 22px; font-weight: 500; letter-spacing: 0.5px; }
.page-header p { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }

.stage-badge {
  display: inline-block;
  padding: 2px 10px;
  border: 1px solid var(--border-light);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}
.stage-badge.active { border-color: var(--accent-dim); color: var(--text-primary); }

/* ═══ CARDS ═══ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 20px;
  margin-bottom: 12px;
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}
.card-title { font-size: 15px; font-weight: 500; }
.card-subtitle { font-size: 12px; color: var(--text-secondary); }
.card-body { font-size: 13px; color: var(--text-secondary); }
.card-footer {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
}

/* ═══ STATS GRID ═══ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 20px;
  text-align: center;
}
.stat-value {
  font-size: 32px;
  font-weight: 300;
  letter-spacing: -1px;
}
.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

/* ═══ KANBAN BOARD ═══ */
.kanban-board {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 16px;
}
.kanban-column {
  flex: 0 0 280px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  min-height: 400px;
}
.kanban-column-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.kanban-column-header h3 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
  color: var(--text-secondary);
}
.kanban-count {
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-dark);
  padding: 2px 8px;
}
.kanban-items { padding: 8px; min-height: 60px; }

.kanban-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 12px;
  margin-bottom: 8px;
  cursor: grab;
  transition: border-color 0.15s;
}
.kanban-card:hover { border-color: var(--border-light); }
.kanban-card.dragging { opacity: 0.5; }

.kanban-card .name { font-size: 13px; font-weight: 500; margin-bottom: 4px; }
.kanban-card .org { font-size: 11px; color: var(--text-muted); }
.kanban-card .meta {
  display: flex; gap: 8px; margin-top: 8px;
  font-size: 10px; color: var(--text-muted);
}
.kanban-card .priority { color: var(--accent-dim); }
.kanban-card .priority.high { color: var(--text-primary); }
.kanban-card .priority.low { color: var(--text-muted); }
.kanban-card .action-needed { color: #8b7355; }

/* ═══ TABLE ═══ */
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th {
  text-align: left;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-light);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  font-weight: 500;
}
.data-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}
.data-table tr:hover td { background: var(--bg-hover); }
.data-table .name-cell { font-weight: 500; color: var(--text-primary); }
.data-table .stage-cell { font-size: 11px; }

/* ═══ FORMS ═══ */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block; font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--text-muted); margin-bottom: 6px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-dark);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 13px;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--text-muted);
}
.form-textarea { min-height: 100px; resize: vertical; }
.form-select { -webkit-appearance: none; }

.btn {
  display: inline-block;
  padding: 8px 20px;
  border: 1px solid var(--border-light);
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn:hover { border-color: var(--text-muted); background: var(--bg-hover); }
.btn-primary { border-color: var(--accent-dim); }
.btn-primary:hover { border-color: var(--accent); background: rgba(255,255,255,0.05); }
.btn-sm { padding: 4px 12px; font-size: 11px; }
.btn-group { display: flex; gap: 8px; }

/* ═══ LOGIN ═══ */
.login-container {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh;
  background: var(--bg-dark);
}
.login-box {
  width: 360px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 40px;
}
.login-box h1 { font-size: 20px; font-weight: 500; margin-bottom: 32px; text-align: center; }
.login-error {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-light);
  padding: 10px;
  margin-bottom: 16px;
  font-size: 12px;
  color: #999;
}

/* ═══ DETAIL PAGE ═══ */
.detail-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}
.detail-main {}
.detail-sidebar {}
.detail-field { margin-bottom: 16px; }
.detail-field-label {
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--text-muted); margin-bottom: 4px;
}
.detail-field-value { font-size: 14px; }

.stage-timeline { list-style: none; }
.stage-timeline li {
  position: relative;
  padding: 8px 0 8px 20px;
  border-left: 1px solid var(--border);
  margin-left: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}
.stage-timeline li:before {
  content: '';
  position: absolute;
  left: -4px;
  top: 12px;
  width: 7px;
  height: 7px;
  background: var(--border-light);
  border-radius: 50%;
}
.stage-timeline li:last-child { border-left-color: transparent; }
.stage-timeline .stage-to { color: var(--text-primary); }
.stage-timeline .stage-date { color: var(--text-muted); font-size: 11px; }

/* ═══ TAG ═══ */
.tag {
  display: inline-block;
  padding: 2px 8px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  font-size: 10px;
  color: var(--text-muted);
  margin-right: 4px;
  margin-bottom: 4px;
}

/* ═══ EMPTY STATE ═══ */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state .icon { font-size: 32px; margin-bottom: 12px; }
.empty-state p { font-size: 13px; }

/* ═══ FLASH ═══ */
.flash {
  padding: 10px 16px;
  margin-bottom: 16px;
  border: 1px solid var(--border-light);
  font-size: 13px;
}
.flash-success { border-color: #1a3a1a; color: #8a8; }
.flash-error { border-color: #3a1a1a; color: #a88; }

/* ═══ UTILITY ═══ */
.flex { display: flex; }
.flex-between { justify-content: space-between; }
.flex-gap { gap: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.mono { font-family: var(--font-mono); font-size: 12px; }