/* ============================================================
   DealForge App Shell — Sidebar, Topbar, Main Layout
   ============================================================ */

/* ── App Layout ── */
.df-app {
  display: flex;
  height: 100vh;
  overflow: hidden;
  background: var(--df-bg-deepest);
  color: var(--df-text-primary);
}

/* ── Demo Banner ── */
.df-demo-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 36px;
  background: linear-gradient(90deg, var(--df-blue-dim), var(--df-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--df-space-3);
  font-size: var(--df-text-micro);
  font-weight: var(--df-weight-semibold);
  color: #fff;
  z-index: var(--df-z-sticky);
  letter-spacing: 0.02em;
}

.df-demo-banner a {
  padding: 2px 10px;
  background: rgba(255,255,255,0.2);
  border-radius: var(--df-radius-full);
  font-size: var(--df-text-nano);
  font-weight: var(--df-weight-bold);
  color: #fff;
  transition: background var(--df-duration) var(--df-ease);
}

.df-demo-banner a:hover {
  background: rgba(255,255,255,0.3);
}

.df-app--has-banner {
  padding-top: 36px;
}

.df-app--has-banner .df-sidebar {
  top: 36px;
  height: calc(100vh - 36px);
}

/* ── Sidebar ── */
.df-sidebar {
  width: var(--df-sidebar-width);
  background: var(--df-bg-navy);
  border-right: 1px solid var(--df-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: var(--df-z-elevated);
  overflow-y: auto;
  overflow-x: hidden;
}

.df-sidebar__logo {
  display: flex;
  align-items: center;
  gap: var(--df-space-3);
  padding: var(--df-space-5) var(--df-space-5);
  border-bottom: 1px solid var(--df-border);
  flex-shrink: 0;
}

.df-sidebar__logo-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--df-blue), var(--df-blue-bright));
  border-radius: var(--df-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: #fff;
}

.df-sidebar__logo-text {
  font-weight: var(--df-weight-bold);
  font-size: 0.9375rem;
  color: var(--df-text-primary);
  letter-spacing: -0.02em;
}

.df-sidebar__logo-sub {
  font-size: var(--df-text-nano);
  color: var(--df-text-muted);
  font-weight: var(--df-weight-normal);
}

/* ── Sidebar Nav Groups ── */
.df-sidebar__nav {
  flex: 1;
  padding: var(--df-space-4) 0;
  overflow-y: auto;
}

.df-sidebar__group {
  margin-bottom: var(--df-space-2);
}

.df-sidebar__group-label {
  padding: var(--df-space-2) var(--df-space-5);
  font-size: var(--df-text-nano);
  font-weight: var(--df-weight-bold);
  color: var(--df-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.df-sidebar__link {
  display: flex;
  align-items: center;
  gap: var(--df-space-3);
  padding: var(--df-space-2) var(--df-space-5);
  margin: 1px var(--df-space-2);
  border-radius: var(--df-radius);
  font-size: var(--df-text-small);
  font-weight: var(--df-weight-medium);
  color: var(--df-text-tertiary);
  transition: all var(--df-duration-fast) var(--df-ease);
  cursor: pointer;
  text-decoration: none;
}

.df-sidebar__link i {
  width: 18px;
  text-align: center;
  font-size: 0.8125rem;
}

.df-sidebar__link:hover {
  color: var(--df-text-secondary);
  background: var(--df-bg-surface);
}

.df-sidebar__link.active {
  color: var(--df-blue-bright);
  background: var(--df-blue-subtle);
}

.df-sidebar__link.active i {
  color: var(--df-blue);
}

/* ── Sidebar User ── */
.df-sidebar__user {
  padding: var(--df-space-4) var(--df-space-5);
  border-top: 1px solid var(--df-border);
  display: flex;
  align-items: center;
  gap: var(--df-space-3);
  flex-shrink: 0;
}

.df-sidebar__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--df-text-micro);
  font-weight: var(--df-weight-bold);
  color: #fff;
  flex-shrink: 0;
}

.df-sidebar__user-name {
  font-size: var(--df-text-small);
  font-weight: var(--df-weight-semibold);
  color: var(--df-text-primary);
}

.df-sidebar__user-role {
  font-size: var(--df-text-nano);
  color: var(--df-text-muted);
}

/* ── Main Content Area ── */
.df-main {
  flex: 1;
  margin-left: var(--df-sidebar-width);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.df-app--has-banner .df-main {
  height: calc(100vh - 36px);
}

/* ── Topbar ── */
.df-topbar {
  height: var(--df-topbar-height);
  background: var(--df-bg-navy);
  border-bottom: 1px solid var(--df-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--df-space-6);
  flex-shrink: 0;
}

.df-topbar__left {
  display: flex;
  align-items: center;
  gap: var(--df-space-3);
}

.df-topbar__breadcrumb {
  font-size: var(--df-text-small);
  color: var(--df-text-tertiary);
}

.df-topbar__breadcrumb-active {
  color: var(--df-text-primary);
  font-weight: var(--df-weight-semibold);
}

.df-topbar__right {
  display: flex;
  align-items: center;
  gap: var(--df-space-4);
}

.df-topbar__search {
  display: flex;
  align-items: center;
  gap: var(--df-space-2);
  padding: var(--df-space-1) var(--df-space-3);
  background: var(--df-bg-surface);
  border: 1px solid var(--df-border);
  border-radius: var(--df-radius);
  font-size: var(--df-text-micro);
  color: var(--df-text-muted);
  cursor: pointer;
  transition: border-color var(--df-duration) var(--df-ease);
}

.df-topbar__search:hover {
  border-color: var(--df-border-3);
}

.df-topbar__search kbd {
  padding: 1px 5px;
  background: var(--df-bg-elevated);
  border: 1px solid var(--df-border);
  border-radius: 3px;
  font-family: var(--df-font-mono);
  font-size: var(--df-text-nano);
  color: var(--df-text-muted);
}

.df-topbar__icon-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--df-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--df-text-tertiary);
  transition: all var(--df-duration-fast) var(--df-ease);
  position: relative;
  border: none;
  background: none;
  cursor: pointer;
}

.df-topbar__icon-btn:hover {
  background: var(--df-bg-surface);
  color: var(--df-text-secondary);
}

.df-topbar__badge {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 14px;
  height: 14px;
  background: var(--df-red);
  border-radius: 50%;
  font-size: 9px;
  font-weight: var(--df-weight-bold);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Main Content Scroll Area ── */
.df-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--df-space-6);
}

/* ── Page Header ── */
.df-page-header {
  margin-bottom: var(--df-space-6);
}

.df-page-header__title {
  font-size: var(--df-text-h2);
  font-weight: var(--df-weight-bold);
  color: var(--df-text-primary);
  margin-bottom: var(--df-space-1);
}

.df-page-header__subtitle {
  font-size: var(--df-text-small);
  color: var(--df-text-tertiary);
}

/* ── Cards ── */
.df-card {
  background: var(--df-bg-surface);
  border: 1px solid var(--df-border);
  border-radius: var(--df-radius-md);
  padding: var(--df-space-5);
  transition: border-color var(--df-duration) var(--df-ease);
}

.df-card:hover {
  border-color: var(--df-border-3);
}

.df-card--clickable {
  cursor: pointer;
}

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

/* ── KPI Tiles ── */
.df-kpi-tile {
  background: var(--df-bg-surface);
  border: 1px solid var(--df-border);
  border-radius: var(--df-radius-md);
  padding: var(--df-space-4) var(--df-space-5);
}

.df-kpi-tile__label {
  font-size: var(--df-text-micro);
  color: var(--df-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--df-space-1);
}

.df-kpi-tile__value {
  font-family: var(--df-font-mono);
  font-size: 1.5rem;
  font-weight: var(--df-weight-bold);
  font-feature-settings: 'tnum' 1;
  color: var(--df-text-primary);
}

.df-kpi-tile__change {
  font-size: var(--df-text-nano);
  margin-top: 2px;
}

.df-kpi-tile__change--up { color: var(--df-green); }
.df-kpi-tile__change--down { color: var(--df-red); }

/* ── Deal Card ── */
.df-deal-card {
  background: var(--df-bg-surface);
  border: 1px solid var(--df-border);
  border-radius: var(--df-radius-md);
  padding: var(--df-space-5);
  cursor: pointer;
  transition: all var(--df-duration) var(--df-ease);
}

.df-deal-card:hover {
  border-color: var(--df-blue-border);
  box-shadow: var(--df-shadow-blue);
  transform: translateY(-1px);
}

.df-deal-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--df-space-3);
}

.df-deal-card__code {
  font-size: var(--df-text-micro);
  font-weight: var(--df-weight-bold);
  color: var(--df-text-primary);
  letter-spacing: 0.02em;
}

.df-deal-card__stage {
  padding: 2px 8px;
  border-radius: var(--df-radius-full);
  font-size: var(--df-text-nano);
  font-weight: var(--df-weight-bold);
  color: #fff;
}

.df-deal-card__target {
  font-size: var(--df-text-small);
  color: var(--df-text-secondary);
  margin-bottom: 2px;
}

.df-deal-card__meta {
  font-size: var(--df-text-micro);
  color: var(--df-text-muted);
  margin-bottom: var(--df-space-3);
}

.df-deal-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.df-deal-card__team {
  display: flex;
}

.df-deal-card__team-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: var(--df-weight-bold);
  color: #fff;
  border: 2px solid var(--df-bg-surface);
  margin-left: -6px;
}

.df-deal-card__team-avatar:first-child {
  margin-left: 0;
}

.df-deal-card__activity {
  font-size: var(--df-text-nano);
  color: var(--df-text-muted);
}

/* ── Activity Feed ── */
.df-activity-item {
  display: flex;
  align-items: flex-start;
  gap: var(--df-space-3);
  padding: var(--df-space-3) 0;
  border-bottom: 1px solid var(--df-border);
}

.df-activity-item:last-child {
  border-bottom: none;
}

.df-activity-item__icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  flex-shrink: 0;
}

.df-activity-item__text {
  font-size: var(--df-text-small);
  color: var(--df-text-secondary);
  line-height: 1.4;
}

.df-activity-item__text strong {
  color: var(--df-text-primary);
  font-weight: var(--df-weight-semibold);
}

.df-activity-item__time {
  font-size: var(--df-text-nano);
  color: var(--df-text-muted);
  margin-top: 2px;
}

/* ── Quick Action Cards ── */
.df-quick-action {
  background: var(--df-bg-surface);
  border: 1px solid var(--df-border);
  border-radius: var(--df-radius-md);
  padding: var(--df-space-5);
  text-align: center;
  cursor: pointer;
  transition: all var(--df-duration) var(--df-ease);
  text-decoration: none;
  display: block;
}

.df-quick-action:hover {
  border-color: var(--df-blue-border);
  background: var(--df-bg-elevated);
  transform: translateY(-2px);
}

.df-quick-action--primary {
  background: linear-gradient(135deg, rgba(59,130,246,0.12), rgba(59,130,246,0.04));
  border-color: var(--df-blue-border);
}

.df-quick-action--primary:hover {
  background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(59,130,246,0.08));
}

.df-quick-action__icon {
  font-size: 1.5rem;
  margin-bottom: var(--df-space-3);
}

.df-quick-action__label {
  font-size: var(--df-text-small);
  font-weight: var(--df-weight-semibold);
  color: var(--df-text-primary);
}

.df-quick-action__desc {
  font-size: var(--df-text-micro);
  color: var(--df-text-muted);
  margin-top: 2px;
}

/* ── Command Palette ── */
.df-cmd-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 13, 24, 0.7);
  backdrop-filter: blur(4px);
  z-index: var(--df-z-modal);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 20vh;
}

.df-cmd-overlay.is-open {
  display: flex;
}

.df-cmd-palette {
  width: 560px;
  max-height: 420px;
  background: var(--df-bg-surface);
  border: 1px solid var(--df-border-2);
  border-radius: var(--df-radius-lg);
  box-shadow: var(--df-shadow-lg);
  overflow: hidden;
}

.df-cmd-palette__input-wrap {
  display: flex;
  align-items: center;
  gap: var(--df-space-3);
  padding: var(--df-space-4) var(--df-space-5);
  border-bottom: 1px solid var(--df-border);
}

.df-cmd-palette__input-wrap i {
  color: var(--df-text-muted);
}

.df-cmd-palette__input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-size: var(--df-text-body);
  color: var(--df-text-primary);
}

.df-cmd-palette__input::placeholder {
  color: var(--df-text-muted);
}

.df-cmd-palette__results {
  max-height: 340px;
  overflow-y: auto;
  padding: var(--df-space-2);
}

.df-cmd-palette__group-label {
  padding: var(--df-space-2) var(--df-space-3);
  font-size: var(--df-text-nano);
  font-weight: var(--df-weight-bold);
  color: var(--df-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.df-cmd-palette__item {
  display: flex;
  align-items: center;
  gap: var(--df-space-3);
  padding: var(--df-space-2) var(--df-space-3);
  border-radius: var(--df-radius);
  font-size: var(--df-text-small);
  color: var(--df-text-secondary);
  cursor: pointer;
  transition: background var(--df-duration-fast) var(--df-ease);
}

.df-cmd-palette__item:hover,
.df-cmd-palette__item.active {
  background: var(--df-bg-elevated);
  color: var(--df-text-primary);
}

.df-cmd-palette__item i {
  width: 18px;
  text-align: center;
  color: var(--df-text-muted);
  font-size: 0.8125rem;
}

.df-cmd-palette__item:hover i,
.df-cmd-palette__item.active i {
  color: var(--df-blue);
}

/* ── Toast Notifications ── */
.df-toast-container {
  position: fixed;
  bottom: var(--df-space-6);
  right: var(--df-space-6);
  z-index: var(--df-z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--df-space-2);
}

.df-toast {
  background: var(--df-bg-surface);
  border: 1px solid var(--df-border-2);
  border-radius: var(--df-radius-md);
  padding: var(--df-space-3) var(--df-space-5);
  box-shadow: var(--df-shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--df-space-3);
  font-size: var(--df-text-small);
  color: var(--df-text-secondary);
  min-width: 300px;
  animation: df-toast-in 0.3s var(--df-ease-out);
}

@keyframes df-toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

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

/* ── Tables ── */
.df-table {
  width: 100%;
  border-collapse: collapse;
}

.df-table th {
  text-align: left;
  padding: var(--df-space-2) var(--df-space-3);
  font-size: var(--df-text-micro);
  font-weight: var(--df-weight-semibold);
  color: var(--df-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--df-border-2);
}

.df-table td {
  padding: var(--df-space-3);
  font-size: var(--df-text-small);
  color: var(--df-text-secondary);
  border-bottom: 1px solid var(--df-border);
}

.df-table tr:hover td {
  background: var(--df-bg-elevated);
}

.df-table .numeric {
  font-family: var(--df-font-mono);
  text-align: right;
  font-feature-settings: 'tnum' 1;
}

/* ── Badge ── */
.df-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--df-radius-full);
  font-size: var(--df-text-nano);
  font-weight: var(--df-weight-bold);
}

.df-badge--blue { background: var(--df-blue-subtle); color: var(--df-blue-bright); }
.df-badge--green { background: var(--df-green-glow); color: var(--df-green); }
.df-badge--amber { background: var(--df-amber-glow); color: var(--df-amber); }
.df-badge--red { background: var(--df-red-glow); color: var(--df-red); }
.df-badge--gray { background: rgba(255,255,255,0.06); color: var(--df-text-muted); }
.df-badge--purple { background: rgba(139,92,246,0.1); color: #a78bfa; }

/* ── Progress Bar ── */
.df-progress {
  height: 4px;
  background: var(--df-bg-elevated);
  border-radius: 2px;
  overflow: hidden;
}

.df-progress__bar {
  height: 100%;
  border-radius: 2px;
  transition: width 0.6s var(--df-ease);
}

.df-progress__bar--blue { background: var(--df-blue); }
.df-progress__bar--green { background: var(--df-green); }
.df-progress__bar--amber { background: var(--df-amber); }