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

:root {
  --bg-dark: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #181824;
  --bg-input: #0e0e16;
  --accent: #f97316;
  --accent-hover: #ea580c;
  --accent-glow: rgba(249, 115, 22, 0.15);
  --accent-glow-strong: rgba(249, 115, 22, 0.25);
  --text-primary: #f0f0f5;
  --text-secondary: #8a8a9a;
  --text-muted: #555566;
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.12);
  --success: #22c55e;
  --warning: #eab308;
  --danger: #ef4444;
  --info: #3b82f6;
  --sidebar-width: 240px;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; }

/* Grain overlay */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

/* ============ AUTH SCREENS ============ */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 32px;
}

.auth-logo .icon {
  width: 40px;
  height: 40px;
  background: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: white;
}

.auth-logo span {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
}

.auth-card h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.auth-card .subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 32px;
}

/* ============ FORMS ============ */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238a8a9a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-group select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

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

.btn-secondary {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--border-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 12px;
}

.btn-ghost:hover { color: var(--text-primary); }

.btn-danger {
  background: rgba(239,68,68,0.1);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,0.2);
}

.btn-danger:hover { background: rgba(239,68,68,0.2); }

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8rem;
  border-radius: 8px;
}

.btn-full { width: 100%; }

.btn-group {
  display: flex;
  gap: 10px;
  align-items: center;
}

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

.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 8px;
  margin-bottom: 36px;
}

.sidebar-logo .icon {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: white;
}

.sidebar-logo span {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.5px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.nav-item:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
}

.nav-item.active {
  color: var(--accent);
  background: var(--accent-glow);
}

.nav-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
}

.user-avatar {
  width: 32px;
  height: 32px;
  background: var(--accent-glow);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--accent);
}

.user-details {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-email {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 32px 40px;
  max-width: calc(100% - var(--sidebar-width));
}

/* ============ PAGE HEADER ============ */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.page-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.page-header .description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 4px;
}

/* ============ STAT CARDS ============ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  transition: border-color 0.2s;
}

.stat-card:hover {
  border-color: var(--border-hover);
}

.stat-card .label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.stat-card .value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-card .change {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ============ CARDS ============ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  transition: border-color 0.2s;
}

.card:hover { border-color: var(--border-hover); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.3px;
}

/* ============ CAMPAIGN CARDS ============ */
.campaigns-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}

.campaign-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  cursor: pointer;
  transition: all 0.2s;
}

.campaign-card:hover {
  border-color: rgba(249, 115, 22, 0.3);
  transform: translateY(-1px);
}

.campaign-card .name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.campaign-card .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(255,255,255,0.04);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.tag-accent {
  background: var(--accent-glow);
  color: var(--accent);
  border-color: rgba(249, 115, 22, 0.2);
}

.campaign-card .stats {
  display: flex;
  gap: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.campaign-card .stats .stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.campaign-card .stats .stat .num {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
}

.campaign-card .stats .stat .lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ============ TABLE ============ */
.table-container {
  overflow-x: auto;
}

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

th {
  text-align: left;
  padding: 12px 16px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

td {
  padding: 14px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

tr:hover td {
  background: rgba(255,255,255,0.02);
}

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

/* ============ STATUS BADGES ============ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-new { background: rgba(59,130,246,0.1); color: var(--info); }
.badge-draft { background: rgba(234,179,8,0.1); color: var(--warning); }
.badge-sent { background: rgba(34,197,94,0.1); color: var(--success); }
.badge-email_drafted { background: rgba(249,115,22,0.1); color: var(--accent); }
.badge-email_sent { background: rgba(34,197,94,0.1); color: var(--success); }
.badge-active { background: rgba(34,197,94,0.1); color: var(--success); }
.badge-replied { background: rgba(168,85,247,0.1); color: #a855f7; }

/* ============ MODAL ============ */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  width: 100%;
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 36px;
}

.modal-lg { max-width: 720px; }

.modal h2 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* ============ EMPTY STATE ============ */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-secondary);
}

.empty-state .icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state h3 {
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 0.9rem;
  max-width: 400px;
  margin: 0 auto 24px;
}

/* ============ LOADING ============ */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.1);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

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

.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px;
  gap: 16px;
  color: var(--text-secondary);
}

.loading-overlay .message {
  font-size: 0.9rem;
}

/* ============ PROSPECT DETAIL ============ */
.prospect-detail .research {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin: 16px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.prospect-detail .info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.prospect-detail .info-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.prospect-detail .info-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.prospect-detail .info-value {
  font-size: 0.9rem;
  color: var(--text-primary);
}

/* ============ EMAIL PREVIEW ============ */
.email-preview {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin: 16px 0;
}

.email-preview .subject-line {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-weight: 500;
  color: var(--text-primary);
}

.email-preview .email-body {
  padding: 20px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  white-space: pre-wrap;
}

/* ============ SCORE BAR ============ */
.score-bar {
  display: flex;
  align-items: center;
  gap: 8px;
}

.score-bar .bar {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  overflow: hidden;
  max-width: 60px;
}

.score-bar .bar .fill {
  height: 100%;
  border-radius: 2px;
  background: var(--accent);
  transition: width 0.3s;
}

.score-bar .score-num {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  min-width: 28px;
}

/* ============ TOAST ============ */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 20px;
  font-size: 0.9rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  animation: slideIn 0.3s ease;
  max-width: 360px;
}

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

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

/* ============ NAV BADGE ============ */
.nav-item { position: relative; }

.nav-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  background: var(--accent);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 9px;
  padding: 0 5px;
  margin-left: auto;
  line-height: 1;
}

/* ============ STAT CARD VARIANTS ============ */
.stat-card-clickable {
  cursor: pointer;
}
.stat-card-clickable:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
}
.stat-card-highlight {
  border-color: rgba(249,115,22,0.3) !important;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(249,115,22,0.04) 100%);
}
.stat-card-highlight .value {
  color: var(--accent);
}
.change-highlight {
  color: var(--accent) !important;
  font-weight: 500;
}

/* ============ BTN SUCCESS ============ */
.btn-success {
  background: var(--success);
  color: white;
  border: none;
}
.btn-success:hover {
  background: #16a34a;
  transform: translateY(-1px);
}

/* ============ REVIEW QUEUE ============ */
.queue-nav-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.queue-counter {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.review-card {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  min-height: 520px;
}

.review-context {
  background: rgba(255,255,255,0.02);
  border-right: 1px solid var(--border);
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.review-email-panel {
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.review-section-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.prospect-header-block {
  margin-bottom: 16px;
}

.prospect-name-lg {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  margin-bottom: 4px;
}

.prospect-meta-lg {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.prospect-email-lg {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: 'Inter', monospace;
}

.prospect-score-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}

.score-label-sm {
  font-size: 0.75rem;
  color: var(--text-muted);
  min-width: 60px;
}

.score-bar-sm {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

.bar-sm {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  overflow: hidden;
  max-width: 100px;
}

.fill-sm {
  height: 100%;
  border-radius: 2px;
  background: var(--accent);
}

.score-num-sm {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
}

.research-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.65;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  flex: 1;
  overflow-y: auto;
  max-height: 200px;
}

.review-email-preview {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 300px;
}

.review-subject {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.review-body {
  padding: 20px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
  white-space: pre-wrap;
  flex: 1;
  overflow-y: auto;
}

.review-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  justify-content: flex-end;
}

.review-actions .btn-success {
  min-width: 160px;
}

/* ============ BACK LINK ============ */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  cursor: pointer;
  margin-bottom: 20px;
  transition: color 0.15s;
  background: none;
  border: none;
  font-family: inherit;
}

.back-link:hover { color: var(--accent); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s;
  }
  .sidebar.open { transform: translateX(0); }
  .main-content {
    margin-left: 0;
    padding: 20px;
    max-width: 100%;
  }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .campaigns-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 32px 24px; }
}