/* ═══════════════════════════════════════════════════════
   SparqLead Dashboard — Dark theme with orange accents
   Matches landing page design language
   ═══════════════════════════════════════════════════════ */

:root {
  --accent: #FF6B35;
  --accent-hover: #ff8255;
  --accent-glow: rgba(255, 107, 53, 0.15);
  --accent-muted: rgba(255, 107, 53, 0.08);
  --dark: #0A0A0F;
  --dark-mid: #12121A;
  --dark-card: #1A1A25;
  --dark-input: #22222F;
  --gray-100: #F5F5F7;
  --gray-300: #A0A0B0;
  --gray-500: #6B6B7B;
  --gray-700: #3A3A4A;
  --white: #FFFFFF;
  --green: #34D399;
  --yellow: #FBBF24;
  --red: #F87171;
  --blue: #60A5FA;
  --radius: 12px;
  --radius-sm: 8px;
}

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

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--dark);
  color: var(--gray-100);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Top Nav ─────────────────────────────────────────── */
.app-nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  padding: 0.9rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 107, 53, 0.08);
}

.app-nav .logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--white);
  letter-spacing: -0.02em;
  text-decoration: none;
}
.app-nav .logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-300);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  background: none;
}
.nav-link:hover { color: var(--white); background: rgba(255,255,255,0.04); }
.nav-link.active { color: var(--accent); background: var(--accent-muted); }

.nav-back {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-300);
  cursor: pointer;
  border: 1px solid var(--gray-700);
  background: none;
  transition: all 0.2s;
}
.nav-back:hover { color: var(--white); border-color: var(--gray-500); }

/* ── Main Layout ─────────────────────────────────────── */
.app-main {
  padding: 5.5rem 2rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* ── Stats Cards ─────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.stat-card {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  transition: border-color 0.2s;
}
.stat-card:hover { border-color: rgba(255, 107, 53, 0.15); }

.stat-card .stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}
.stat-card .stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}
.stat-card .stat-value .accent { color: var(--accent); }

/* ── Section Headers ─────────────────────────────────── */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
  background: var(--dark-card);
  color: var(--gray-100);
  border: 1px solid var(--gray-700);
}
.btn-secondary:hover { border-color: var(--gray-500); color: var(--white); }

.btn-ghost {
  background: transparent;
  color: var(--gray-300);
  padding: 0.4rem 0.6rem;
}
.btn-ghost:hover { color: var(--white); background: rgba(255,255,255,0.05); }

.btn-danger {
  background: transparent;
  color: var(--red);
  border: 1px solid rgba(248, 113, 113, 0.3);
}
.btn-danger:hover { background: rgba(248, 113, 113, 0.1); }

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: transparent;
  color: var(--gray-500);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-icon:hover { color: var(--white); background: rgba(255,255,255,0.06); }

/* ── Cards & Tables ──────────────────────────────────── */
.card {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius);
  overflow: hidden;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.card-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1rem;
}

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-500);
  text-align: left;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

td {
  padding: 0.85rem 1.25rem;
  font-size: 0.9rem;
  color: var(--gray-300);
  border-bottom: 1px solid rgba(255,255,255,0.03);
  vertical-align: middle;
}

tr:hover td { background: rgba(255,255,255,0.015); }

td .name {
  color: var(--white);
  font-weight: 500;
}

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

/* ── Campaign Cards ──────────────────────────────────── */
.campaigns-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1rem;
}

.campaign-card {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius);
  padding: 1.5rem;
  cursor: pointer;
  transition: all 0.25s;
}
.campaign-card:hover {
  border-color: rgba(255, 107, 53, 0.25);
  transform: translateY(-2px);
}

.campaign-card .cc-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.4rem;
}

.campaign-card .cc-meta {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: 1rem;
}

.campaign-card .cc-stats {
  display: flex;
  gap: 1.5rem;
}

.campaign-card .cc-stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
}

.campaign-card .cc-stat-label {
  font-size: 0.7rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── Badges ──────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.badge-draft { color: var(--gray-300); background: rgba(160,160,176,0.12); }
.badge-queued { color: var(--yellow); background: rgba(251,191,36,0.12); }
.badge-sent { color: var(--green); background: rgba(52,211,153,0.12); }
.badge-new { color: var(--blue); background: rgba(96,165,250,0.12); }
.badge-active { color: var(--green); background: rgba(52,211,153,0.12); }

/* ── Forms / Inputs ──────────────────────────────────── */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray-300);
  margin-bottom: 0.4rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  background: var(--dark-input);
  border: 1px solid var(--gray-700);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-input::placeholder, .form-textarea::placeholder {
  color: var(--gray-500);
}
.form-textarea { resize: vertical; min-height: 80px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* ── Modal ───────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal {
  background: var(--dark-mid);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-lg { max-width: 700px; }

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.modal-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
}

.modal-body { padding: 1.5rem; }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

/* ── Empty State ─────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--gray-500);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--gray-300);
  margin-bottom: 0.5rem;
}

.empty-state p {
  font-size: 0.9rem;
  max-width: 400px;
  margin: 0 auto 1.5rem;
}

/* ── Loading Spinner ─────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 3rem;
  color: var(--gray-300);
}

.loading-overlay .spinner {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

/* ── Email Preview ───────────────────────────────────── */
.email-preview {
  background: var(--dark-input);
  border: 1px solid var(--gray-700);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.email-preview .ep-subject {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.email-preview .ep-body {
  font-size: 0.9rem;
  color: var(--gray-300);
  white-space: pre-wrap;
  line-height: 1.7;
}

/* ── Prospect Detail Row ─────────────────────────────── */
.prospect-actions {
  display: flex;
  gap: 0.4rem;
}

/* ── Toast / Notification ────────────────────────────── */
.toast-container {
  position: fixed;
  top: 5rem;
  right: 1.5rem;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.25rem;
  font-size: 0.85rem;
  color: var(--gray-100);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  animation: slideIn 0.3s ease-out;
  max-width: 360px;
}

.toast-success { border-left: 3px solid var(--green); }
.toast-error { border-left: 3px solid var(--red); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ── Campaign Detail Tabs ────────────────────────────── */
.detail-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 1.5rem;
}

.detail-tab {
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-500);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  font-family: inherit;
}
.detail-tab:hover { color: var(--gray-300); }
.detail-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.detail-tab .tab-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  margin-left: 0.4rem;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 700;
  background: rgba(255,255,255,0.06);
  color: var(--gray-500);
}
.detail-tab.active .tab-count {
  background: var(--accent-muted);
  color: var(--accent);
}

/* ── Action bar inside campaign ──────────────────────── */
.action-bar {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .campaigns-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .app-nav { padding: 0.75rem 1rem; }
  .app-main { padding: 5rem 1rem 2rem; }
  .nav-links { gap: 0; }
  .nav-link { padding: 0.4rem 0.6rem; font-size: 0.8rem; }
}

/* ── Animations ──────────────────────────────────────── */
.fade-in {
  animation: fadeIn 0.3s ease-out;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Scrollbar ───────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-700); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-500); }

/* ── Utility ─────────────────────────────────────────── */
.hidden { display: none !important; }
.text-accent { color: var(--accent); }
.text-muted { color: var(--gray-500); }
.text-sm { font-size: 0.85rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }
.gap-1 { gap: 0.5rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }