/* Lead Response MVP — App Styles */

:root {
  --bg: #0d0f12;
  --fg: #f0ece4;
  --accent: #2dd4bf;
  --accent-dim: rgba(45,212,191,0.12);
  --amber: #f59e0b;
  --muted: #8a8680;
  --border: rgba(240,236,228,0.08);
  --card-bg: rgba(240,236,228,0.04);
  --red: #ef4444;
  --green: #22c55e;
  --radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  min-height: 100vh;
}

/* NAV */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  max-width: 1200px;
  margin: 0 auto;
}
.nav-brand {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 20px;
  color: var(--fg);
  text-decoration: none;
}
.nav-links { display: flex; gap: 8px; }
.nav-btn {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  text-decoration: none;
  transition: all 0.15s;
}
.nav-btn:hover, .nav-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* LAYOUT */
.app-container { max-width: 1200px; margin: 0 auto; padding: 48px; }

/* SECTION HEADERS */
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.section-heading {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 36px;
  color: var(--fg);
  margin-bottom: 32px;
}

/* STAT CARDS */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.stat-card-val {
  font-family: 'DM Serif Display', serif;
  font-size: 40px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-card-label { font-size: 12px; color: var(--muted); }
.stat-card-sub { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* STATUS BADGES */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.badge--new { background: rgba(45,212,191,0.12); color: var(--accent); }
.badge--responded { background: rgba(245,158,11,0.12); color: var(--amber); }
.badge--qualified { background: rgba(34,197,94,0.12); color: var(--green); }
.badge--converted { background: rgba(34,197,94,0.25); color: var(--green); }
.badge--lost { background: rgba(239,68,68,0.12); color: var(--red); }

/* TABS */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
.tab {
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.15s;
}
.tab:hover { color: var(--fg); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* PANELS */
.panel { display: none; }
.panel.active { display: block; }

/* FORMS */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 13px; font-weight: 500; color: var(--fg); margin-bottom: 8px; }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(240,236,228,0.04);
  color: var(--fg);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { outline: none; border-color: var(--accent); }
.form-textarea { resize: vertical; min-height: 80px; }
.form-hint { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* TOGGLE */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.toggle-label { font-size: 14px; color: var(--fg); }
.toggle-label span { display: block; font-size: 12px; color: var(--muted); margin-top: 2px; }
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  border-radius: 12px;
  background: rgba(240,236,228,0.1);
  cursor: pointer;
  transition: background 0.2s;
  flex-shrink: 0;
}
.toggle.on { background: var(--accent); }
.toggle::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  transition: transform 0.2s;
}
.toggle.on::after { transform: translateX(20px); }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: all 0.15s;
}
.btn-primary { background: var(--accent); color: #0d0f12; }
.btn-primary:hover { filter: brightness(1.1); }
.btn-secondary { background: var(--card-bg); border: 1px solid var(--border); color: var(--fg); }
.btn-secondary:hover { border-color: var(--accent); }
.btn-danger { background: rgba(239,68,68,0.12); color: var(--red); }
.btn-danger:hover { background: rgba(239,68,68,0.2); }

/* LEAD CARDS */
.leads-list { display: flex; flex-direction: column; gap: 12px; }
.lead-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.lead-card-main { flex: 1; }
.lead-card-name { font-size: 15px; font-weight: 500; color: var(--fg); margin-bottom: 4px; }
.lead-card-meta { font-size: 12px; color: var(--muted); }
.lead-card-message { font-size: 13px; color: var(--muted); margin-top: 6px; line-height: 1.5; }
.lead-card-right { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; min-width: 120px; }
.lead-response-time { font-size: 12px; color: var(--muted); }
.lead-response-time.fast { color: var(--green); }
.lead-response-time.slow { color: var(--red); }

/* QUALIFICATION */
.qualify-card {
  max-width: 600px;
  margin: 0 auto;
  padding: 40px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
}
.qualify-progress { display: flex; gap: 4px; margin-bottom: 32px; }
.qualify-step { flex: 1; height: 4px; border-radius: 2px; background: rgba(240,236,228,0.1); }
.qualify-step.done { background: var(--accent); }
.qualify-step.current { background: rgba(45,212,191,0.4); }
.qualify-question { font-family: 'DM Serif Display', serif; font-size: 24px; color: var(--fg); margin-bottom: 24px; }
.qualify-options { display: flex; flex-direction: column; gap: 12px; }
.qualify-option {
  padding: 14px 20px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg);
  font-size: 14px;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: all 0.15s;
}
.qualify-option:hover { border-color: var(--accent); background: var(--accent-dim); }
.qualify-option.selected { border-color: var(--accent); background: var(--accent-dim); color: var(--accent); }
.qualify-nav { display: flex; gap: 12px; margin-top: 32px; }
.qualify-result { text-align: center; padding: 48px 40px; }
.qualify-result-icon { font-size: 48px; margin-bottom: 16px; }
.qualify-result-title { font-family: 'DM Serif Display', serif; font-size: 28px; color: var(--fg); margin-bottom: 8px; }
.qualify-result-sub { font-size: 14px; color: var(--muted); }

/* TOAST */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  border-radius: 10px;
  background: var(--accent);
  color: #0d0f12;
  font-size: 13px;
  font-weight: 500;
  z-index: 1000;
  animation: slideUp 0.3s ease;
}
@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* EMPTY STATE */
.empty-state { text-align: center; padding: 64px 40px; color: var(--muted); }
.empty-state p { font-size: 14px; margin-bottom: 16px; }

/* SOURCE BADGE */
.source-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 500;
  background: rgba(240,236,228,0.06);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* CONFIG SECTIONS */
.config-section {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 24px;
}
.config-section-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.config-save-row { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); }

/* TWO COL */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .nav { padding: 16px 24px; }
  .app-container { padding: 24px; }
  .two-col { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .stats-grid { grid-template-columns: 1fr; }
  .lead-card { flex-direction: column; }
  .lead-card-right { align-items: flex-start; flex-direction: row; flex-wrap: wrap; }
}