/* =============================================
   Pipeforge Dashboard — App Shell & Components
   Extends theme.css design tokens
   ============================================= */

/* ===== APP SHELL ===== */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
  width: 240px;
  min-width: 240px;
  background: var(--bg-raised);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-brand {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg-bright);
}

.brand-icon {
  font-size: 1.4rem;
  line-height: 1;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--fg-bright);
}

.sidebar-nav {
  list-style: none;
  padding: 16px 12px;
  flex: 1;
}

.sidebar-nav li + li {
  margin-top: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--fg);
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  text-decoration: none;
  user-select: none;
}

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

.nav-item.active {
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(232,130,12,0.2);
}

.nav-icon {
  font-size: 1rem;
  min-width: 20px;
}

.sidebar-footer {
  padding: 16px 12px 20px;
  border-top: 1px solid var(--border);
}

.nav-item-small {
  display: block;
  font-size: 0.82rem;
  color: var(--fg);
  opacity: 0.5;
  text-decoration: none;
  padding: 6px 0;
  transition: opacity 0.15s;
}

.nav-item-small:hover {
  opacity: 0.9;
}

/* ===== MAIN CONTENT ===== */
.app-main {
  flex: 1;
  padding: 40px 48px;
  overflow-y: auto;
  max-width: 1200px;
}

.view {}

.view-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 32px;
  gap: 16px;
  flex-wrap: wrap;
}

.view-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--fg-bright);
  letter-spacing: -0.5px;
  margin-bottom: 4px;
}

.view-subtitle {
  color: var(--fg);
  opacity: 0.65;
  font-size: 0.95rem;
}

/* ===== BUTTONS ===== */
.btn-group {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-dim);
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--fg-bright);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-secondary:hover {
  border-color: rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.04);
}

.btn-accent {
  background: rgba(232,130,12,0.12);
  color: var(--accent);
  border: 1px solid rgba(232,130,12,0.3);
  padding: 10px 18px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-accent:hover {
  background: rgba(232,130,12,0.2);
}

.btn-success {
  background: rgba(34,197,94,0.1);
  color: #22c55e;
  border: 1px solid rgba(34,197,94,0.25);
  padding: 10px 18px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-success:hover {
  background: rgba(34,197,94,0.18);
}

.btn-ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s;
  display: inline-flex;
  align-items: center;
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.04);
}

.btn-small {
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-family: var(--font-display);
  font-weight: 600;
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: opacity 0.15s;
}

.btn-small:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-small.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 5px 12px;
}

.btn-small.btn-secondary {
  background: var(--bg-raised);
  color: var(--fg-bright);
  border: 1px solid var(--border);
  padding: 5px 12px;
}

.btn-small.btn-accent {
  background: rgba(232,130,12,0.1);
  color: var(--accent);
  border: 1px solid rgba(232,130,12,0.25);
  padding: 5px 12px;
}

.btn-small.btn-danger-ghost {
  background: transparent;
  color: rgba(248,113,113,0.8);
  border: 1px solid rgba(248,113,113,0.2);
  padding: 5px 12px;
}

.btn-small.btn-danger-ghost:hover {
  background: rgba(248,113,113,0.08);
}

.btn-icon {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  padding: 4px 6px;
  border-radius: 6px;
  transition: background 0.15s;
}

.btn-icon:hover {
  background: rgba(255,255,255,0.06);
}

/* ===== PROFILE CARDS GRID ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.15s;
}

.profile-card:hover {
  border-color: rgba(255,255,255,0.1);
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 8px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg-bright);
  margin-bottom: 4px;
}

.card-meta {
  font-size: 0.82rem;
  color: var(--fg);
  opacity: 0.6;
}

.card-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.card-tag {
  display: inline-block;
  font-size: 0.78rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 3px 10px;
  color: var(--fg);
  margin: 4px 4px 0 0;
}

.card-tag.muted {
  opacity: 0.6;
}

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

/* ===== SELECT INPUT ===== */
.select-input {
  background: var(--bg-card);
  color: var(--fg-bright);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 14px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
  min-width: 200px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23c9cdd4' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.select-input:focus {
  outline: none;
  border-color: var(--accent);
}

/* ===== DATA TABLE ===== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th {
  text-align: left;
  padding: 10px 14px;
  color: var(--fg);
  opacity: 0.55;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 14px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table tbody tr:hover {
  background: rgba(255,255,255,0.02);
}

.td-primary {
  color: var(--fg-bright);
  font-weight: 500;
  margin-bottom: 2px;
}

.td-meta {
  color: var(--fg);
  opacity: 0.55;
  font-size: 0.82rem;
}

.td-subject {
  color: var(--fg);
  max-width: 280px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.td-date {
  color: var(--fg);
  opacity: 0.55;
  font-size: 0.85rem;
  white-space: nowrap;
}

.actions-cell {
  display: flex;
  gap: 6px;
  align-items: center;
}

/* ===== STATUS BADGES ===== */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: var(--font-display);
  letter-spacing: 0.3px;
}

.status-new { background: rgba(100,116,139,0.15); color: #94a3b8; border: 1px solid rgba(100,116,139,0.2); }
.status-draft { background: rgba(232,130,12,0.1); color: var(--accent); border: 1px solid rgba(232,130,12,0.2); }
.status-sent { background: rgba(59,130,246,0.1); color: #60a5fa; border: 1px solid rgba(59,130,246,0.2); }
.status-replied { background: rgba(34,197,94,0.1); color: #4ade80; border: 1px solid rgba(34,197,94,0.2); }
.status-qualified { background: rgba(168,85,247,0.1); color: #c084fc; border: 1px solid rgba(168,85,247,0.2); }

/* ===== STATS ROW ===== */
.stats-row {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.stat-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 0.88rem;
  color: var(--fg);
}

.stat-pill .pill-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg-bright);
}

.stat-pill.accent { border-color: rgba(232,130,12,0.2); }
.stat-pill.accent .pill-num { color: var(--accent); }
.stat-pill.sent .pill-num { color: #60a5fa; }
.stat-pill.replied .pill-num { color: #4ade80; }

/* ===== STATE PLACEHOLDERS ===== */
.empty-state, .loading-state, .error-state {
  padding: 48px 24px;
  text-align: center;
  color: var(--fg);
  opacity: 0.55;
  font-size: 0.95rem;
}

.empty-state p { max-width: 380px; margin: 0 auto; line-height: 1.7; }
.error-state { color: #f87171; opacity: 0.8; }

/* ===== MODALS ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  backdrop-filter: blur(2px);
}

.modal {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
}

.modal-wide {
  max-width: 680px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.modal-header h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--fg-bright);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--fg);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: background 0.15s;
}

.modal-close:hover {
  background: rgba(255,255,255,0.06);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* ===== FORM FIELDS ===== */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field.full-width {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--fg);
  opacity: 0.7;
  letter-spacing: 0.3px;
}

.form-field input,
.form-field select,
.form-field textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--fg-bright);
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: border-color 0.15s;
  resize: vertical;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--fg);
  opacity: 0.35;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

/* ===== EMAIL META ===== */
.email-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
}

.email-meta-label {
  color: var(--fg);
  opacity: 0.5;
  font-weight: 600;
  font-size: 0.8rem;
}

.email-meta-value {
  color: var(--fg-bright);
}

/* ===== LINK ===== */
.link {
  color: var(--accent);
  text-decoration: none;
}

.link:hover {
  text-decoration: underline;
}

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 20px;
  font-size: 0.9rem;
  color: var(--fg-bright);
  z-index: 2000;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  animation: slideUp 0.2s ease;
}

.toast-success { border-color: rgba(34,197,94,0.3); }
.toast-error { border-color: rgba(248,113,113,0.3); color: #f87171; }

@keyframes slideUp {
  from { transform: translateY(8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .app-main { padding: 24px 20px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field.full-width { grid-column: 1; }
}

@media (max-width: 768px) {
  .app-shell { flex-direction: column; }
  .sidebar {
    width: 100%;
    min-width: unset;
    height: auto;
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 12px;
  }
  .sidebar-brand { padding: 8px 12px; border-bottom: none; }
  .sidebar-nav { padding: 0 4px; display: flex; flex-direction: row; flex: 1; }
  .sidebar-nav li { margin: 0; }
  .sidebar-footer { display: none; }
  .nav-item { padding: 8px 10px; font-size: 0.82rem; }
  .nav-icon { display: none; }
  .view-header { flex-direction: column; align-items: flex-start; }
  .data-table { font-size: 0.8rem; }
}