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

/* Sidebar */
.sidebar {
  width: 220px;
  min-height: 100vh;
  border-right: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  flex-shrink: 0;
}

.sidebar-logo {
  padding: 2rem 1.5rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.sidebar-nav {
  padding: 1.5rem 0;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s, background 0.2s;
}

.nav-item:hover { color: var(--fg); background: var(--accent-dim); }
.nav-item.active { color: var(--accent); background: var(--accent-dim); }

.nav-icon { font-size: 0.7rem; }

.sidebar-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border); }

/* Main content */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 3rem;
  border-bottom: 1px solid var(--border);
}

.app-page-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}

.app-header-actions { display: flex; gap: 0.75rem; }

.app-content { padding: 2.5rem 3rem; flex: 1; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg);
  text-decoration: none;
  transition: all 0.15s;
}

.btn:hover { background: var(--accent-dim); border-color: var(--accent); color: var(--accent); }

.btn-primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  font-weight: 600;
}

.btn-primary:hover { background: #d4ff1a; }

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-danger { color: #e74c3c; border-color: #e74c3c; }
.btn-danger:hover { background: rgba(231,76,60,0.1); }

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

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.5rem 1.5rem;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--fg);
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Dashboard grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* Panels */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.panel-title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
}

.panel-link { font-size: 0.8rem; color: var(--accent); text-decoration: none; }
.panel-link:hover { text-decoration: underline; }

/* Email list */
.email-list { }

.email-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}

.email-row:last-child { border-bottom: none; }

.email-row-full { flex-direction: column; }

.email-info { flex: 1; min-width: 0; }

.email-to { font-size: 0.85rem; font-weight: 500; margin-bottom: 0.25rem; }

.email-subject {
  font-size: 0.8rem;
  color: var(--fg-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.email-body-preview {
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-top: 0.35rem;
  line-height: 1.5;
}

.email-time { font-size: 0.75rem; color: #555; white-space: nowrap; }

/* Campaign list */
.campaign-list { }

.campaign-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.campaign-row:last-child { border-bottom: none; }

.campaign-info { flex: 1; }

.campaign-name { font-size: 0.875rem; font-weight: 500; }

.campaign-meta { font-size: 0.75rem; color: var(--fg-muted); margin-top: 0.2rem; }

/* Campaign cards */
.campaign-grid { display: flex; flex-direction: column; gap: 1rem; }

.campaign-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.5rem;
}

.campaign-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.campaign-card-name { font-family: var(--font-display); font-size: 1rem; font-weight: 700; }

.campaign-card-meta { font-size: 0.75rem; color: var(--fg-muted); margin-top: 0.25rem; }

.campaign-card-actions { display: flex; gap: 0.5rem; }

.campaign-card-icp { font-size: 0.825rem; color: var(--fg-muted); line-height: 1.6; }

/* Prospect list */
.prospects-list { }

.prospect-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.prospect-row:last-child { border-bottom: none; }

.prospect-name { font-size: 0.875rem; font-weight: 500; }

.prospect-title { color: var(--fg-muted); font-weight: 400; }

.prospect-company { font-size: 0.75rem; color: var(--fg-muted); margin-top: 0.2rem; }

.prospect-status-row { display: flex; align-items: center; gap: 0.75rem; }

/* Status badges */
.status-badge {
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.status-pending { background: rgba(136,136,136,0.15); color: var(--fg-muted); }
.status-contacted { background: rgba(200,255,0,0.12); color: var(--accent); }
.status-bounced { background: rgba(231,76,60,0.12); color: #e74c3c; }
.status-error { background: rgba(241,196,15,0.12); color: #f1c40f; }
.status-active { background: rgba(200,255,0,0.12); color: var(--accent); }

/* Email cards */
.emails-page { display: flex; flex-direction: column; gap: 1rem; }

.email-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.5rem;
}

.email-card-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.email-card-to { font-size: 0.9rem; font-weight: 600; }
.email-card-email { font-size: 0.75rem; color: var(--fg-muted); margin-top: 0.2rem; }
.email-card-time { font-size: 0.75rem; color: #555; }
.email-card-subject { font-size: 1rem; font-weight: 600; color: var(--accent); margin-bottom: 0.5rem; }
.email-card-body { font-size: 0.85rem; color: var(--fg-muted); line-height: 1.7; white-space: pre-wrap; }
.email-card-campaign { font-size: 0.75rem; color: #555; margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid var(--border); }

/* Empty state */
.empty-state { padding: 2.5rem 1.5rem; text-align: center; color: var(--fg-muted); font-size: 0.875rem; }

/* Forms */
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.8rem; font-weight: 500; margin-bottom: 0.4rem; color: var(--fg-muted); }
.form-group input, .form-group textarea {
  width: 100%;
  padding: 0.65rem 0.9rem;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  font-size: 0.875rem;
  font-family: var(--font-body);
  border-radius: 6px;
  outline: none;
  transition: border-color 0.15s;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { resize: vertical; }
.form-actions { display: flex; justify-content: flex-end; gap: 0.75rem; padding-top: 0.5rem; }

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
}

.modal-box {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  width: 480px;
  max-width: 90vw;
}

.modal-title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; margin-bottom: 1.5rem; }

/* Page actions */
.page-actions { display: flex; justify-content: flex-end; margin-bottom: 1.5rem; }

/* Responsive */
@media (max-width: 900px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .app-content { padding: 1.5rem; }
}