/* ============================================================
   FormArchitect — App Shell
   Layout: sidebar + topbar + scrollable content
   Responsive: mobile drawer sidebar, fluid grid
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font);
  background: #F2F4F8;
  color: var(--dark);
  display: none;   /* revealed by JS auth guard */
}

/* ── APP SHELL ──────────────────────────────────────────────── */
.app-wrap {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ── SIDEBAR ────────────────────────────────────────────────── */
.app-sidebar {
  width: 260px;
  flex-shrink: 0;
  background: #fff;
  border-right: 1px solid #E8EBF2;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  transition: transform 0.28s cubic-bezier(0.4,0,0.2,1);
  z-index: 200;
}

/* Sidebar logo area */
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 20px 14px;
  border-bottom: 1px solid #F0F2F7;
  flex-shrink: 0;
}

.sidebar-logo img {
  height: 28px;
  width: auto;
  object-fit: contain;
}

/* Sidebar sections */
.sidebar-section {
  padding: 16px 12px 8px;
}

.sidebar-section-label {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 8px;
  margin-bottom: 4px;
}

/* Sidebar nav item */
.sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
  overflow: hidden;
  position: relative;
}

.sidebar-item:hover {
  background: #F2F4F8;
  color: var(--dark);
}

.sidebar-item.active {
  background: var(--blue-pale);
  color: var(--blue);
  font-weight: 600;
}

.sidebar-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--blue);
}

/* Workspace colour dot in sidebar */
.ws-dot {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-item-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* New workspace btn inside sidebar */
.sidebar-new-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  background: none;
  border: none;
  cursor: pointer;
  width: 100%;
  text-decoration: none;
  transition: background var(--transition);
}

.sidebar-new-btn:hover { background: var(--blue-pale); }

/* Sidebar bottom user */
.sidebar-user {
  margin-top: auto;
  padding: 14px 16px;
  border-top: 1px solid #F0F2F7;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--blue-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  flex-shrink: 0;
  overflow: hidden;
}

.user-avatar img { width: 100%; height: 100%; object-fit: cover; }

.user-info { flex: 1; min-width: 0; }
.user-name  { font-size: 13px; font-weight: 600; color: var(--dark); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role  { font-size: 11px; color: var(--text-muted); }

.user-menu-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  transition: background var(--transition), color var(--transition);
  display: flex;
  align-items: center;
}
.user-menu-btn:hover { background: #F2F4F8; color: var(--dark); }

/* Sidebar overlay (mobile) */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26,35,53,0.38);
  z-index: 190;
  backdrop-filter: blur(2px);
}

/* ── APP BODY ────────────────────────────────────────────────── */
.app-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* ── TOP BAR ────────────────────────────────────────────────── */
.app-topbar {
  height: 60px;
  background: #fff;
  border-bottom: 1px solid #E8EBF2;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}

.topbar-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
  color: var(--slate);
  transition: background var(--transition);
}
.topbar-hamburger:hover { background: #F2F4F8; }

.topbar-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-secondary);
  flex: 1;
  min-width: 0;
}

.topbar-breadcrumb .bc-sep   { opacity: 0.4; }
.topbar-breadcrumb .bc-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}
.topbar-breadcrumb .bc-link:hover { color: var(--dark); }
.topbar-breadcrumb .bc-current {
  font-weight: 600;
  color: var(--dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  border: none;
}

.topbar-btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 2px 8px rgba(36,86,199,0.25);
}
.topbar-btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(36,86,199,0.35);
}

.topbar-btn-ghost {
  background: #F2F4F8;
  color: var(--dark);
}
.topbar-btn-ghost:hover { background: #E8EBF2; }

/* ── MAIN SCROLLABLE CONTENT ─────────────────────────────────── */
.app-content {
  flex: 1;
  overflow-y: auto;
  padding: 32px 36px;
}

/* ── PAGE HEADER ─────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.4px;
}

.page-subtitle {
  font-size: 13.5px;
  color: var(--text-muted);
  margin-top: 3px;
}

/* ── WORKSPACE CARD GRID ─────────────────────────────────────── */
.ws-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(288px, 1fr));
  gap: 20px;
}

/* Individual card */
.ws-card {
  background: #fff;
  border: 1px solid #E8EBF2;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.22s ease, transform 0.22s ease;
  position: relative;
}

.ws-card:hover {
  box-shadow: 0 8px 28px rgba(26,35,53,0.10);
  transform: translateY(-3px);
}

/* Colour accent band at top */
.ws-card-band {
  height: 5px;
  flex-shrink: 0;
}

.ws-card-body {
  padding: 20px 22px 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.ws-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.ws-card-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ws-card-menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  border-radius: 6px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
  opacity: 0;
  transition: opacity 0.15s;
}
.ws-card:hover .ws-card-menu-btn { opacity: 1; }
.ws-card-menu-btn:hover { background: #F2F4F8; color: var(--dark); }

.ws-card-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
  letter-spacing: -0.2px;
}

.ws-card-desc {
  font-size: 12.5px;
  color: var(--text-muted);
  line-height: 1.55;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ws-card-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid #F0F2F7;
  font-size: 11.5px;
  color: var(--text-muted);
}

.ws-card-meta {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Card context menu */
.ws-dropdown {
  position: absolute;
  top: 54px;
  right: 14px;
  background: #fff;
  border: 1px solid #E8EBF2;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(26,35,53,0.12);
  z-index: 100;
  min-width: 160px;
  overflow: hidden;
  display: none;
}
.ws-dropdown.open { display: block; }

.ws-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--dark);
  cursor: pointer;
  transition: background var(--transition);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  text-decoration: none;
}
.ws-dropdown-item:hover { background: #F2F4F8; }
.ws-dropdown-item.danger { color: var(--red); }
.ws-dropdown-item.danger:hover { background: var(--red-pale); }

/* ── EMPTY STATE ─────────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
  gap: 16px;
}

.empty-state-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate-light);
  width: 72px;
  height: 72px;
  background: #F2F4F8;
  border-radius: 20px;
}
.empty-state-icon svg { width: 40px; height: 40px; }

.empty-state-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
}

.empty-state-desc {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 340px;
  line-height: 1.6;
}

/* ── CREATE WORKSPACE PAGE ───────────────────────────────────── */
.create-ws-wrap {
  max-width: 720px;
  margin: 0 auto;
}

.form-card {
  background: #fff;
  border: 1px solid #E8EBF2;
  border-radius: 20px;
  padding: 36px 40px;
  margin-bottom: 24px;
}

.form-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid #F0F2F7;
}

.form-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 220px;
}

.form-field.full { flex-basis: 100%; }

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
}

.form-label span {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 12px;
}

.form-input {
  height: 44px;
  padding: 0 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: var(--font);
  color: var(--dark);
  background: var(--input-bg);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form-input:focus {
  border-color: var(--blue);
  box-shadow: var(--shadow-input-focus);
  background: #fff;
}
.form-input::placeholder { color: var(--text-placeholder); }
.form-input.invalid { border-color: var(--red); box-shadow: 0 0 0 3px rgba(224,48,48,0.1); }

.form-hint {
  font-size: 11.5px;
  color: var(--text-muted);
}

.slug-prefix {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--input-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.slug-prefix:focus-within {
  border-color: var(--blue);
  box-shadow: var(--shadow-input-focus);
  background: #fff;
}

.slug-prefix-text {
  padding: 0 12px;
  font-size: 13px;
  color: var(--text-muted);
  background: #F2F4F8;
  height: 44px;
  display: flex;
  align-items: center;
  border-right: 1.5px solid var(--border);
  white-space: nowrap;
}
.slug-prefix .form-input {
  border: none;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
}
.slug-prefix .form-input:focus { border: none; box-shadow: none; }

/* Icon picker */
.icon-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 2px solid transparent;
  background: #F2F4F8;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  color: var(--slate);
}
.icon-btn:hover { background: var(--blue-pale); border-color: var(--blue-pale); color: var(--blue); }
.icon-btn.selected { border-color: var(--blue); background: var(--blue-pale); color: var(--blue); }

/* Color picker */
.color-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.color-swatch {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
  outline: none;
}
.color-swatch:hover { transform: scale(1.12); }
.color-swatch.selected { border-color: var(--dark); transform: scale(1.12); }

/* Quill editor */
.ql-container.ql-snow {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  border: 1.5px solid var(--border);
  border-top: none;
  font-family: var(--font);
  font-size: 14px;
  color: var(--dark);
  min-height: 160px;
}
.ql-toolbar.ql-snow {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  background: #F8F9FC;
}
.ql-container.ql-snow:focus-within {
  border-color: var(--blue);
}

/* Form action bar */
.form-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 8px;
}

.btn-create {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 28px;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 14.5px;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 2px 10px rgba(36,86,199,0.28);
}
.btn-create:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(36,86,199,0.38);
}
.btn-create:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-cancel {
  padding: 11px 22px;
  background: #F2F4F8;
  color: var(--dark);
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition);
}
.btn-cancel:hover { background: #E8EBF2; }

/* ── WORKSPACE VIEW ──────────────────────────────────────────── */
.ws-view-header {
  background: #fff;
  border-bottom: 1px solid #E8EBF2;
  padding: 24px 36px 0;
}

.ws-view-band {
  height: 4px;
  border-radius: 4px 4px 0 0;
  margin-bottom: 20px;
}

.ws-view-meta {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding-bottom: 20px;
}

.ws-view-icon-large {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ws-view-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.4px;
  margin-bottom: 6px;
}

.ws-view-desc {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.55;
}

.ws-view-tabs {
  display: flex;
  gap: 0;
  margin-top: 8px;
}

.ws-tab {
  padding: 10px 18px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition);
}
.ws-tab:hover { color: var(--dark); }
.ws-tab.active { color: var(--blue); border-bottom-color: var(--blue); font-weight: 600; }

/* ── ALERT (app) ─────────────────────────────────────────────── */
.app-alert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  margin-bottom: 20px;
}
.app-alert-error   { background: var(--red-pale);   color: var(--red-dark);   border: 1px solid rgba(224,48,48,0.18); }
.app-alert-success { background: var(--green-pale);  color: var(--green-dark); border: 1px solid rgba(46,145,85,0.18); }

/* ── LOADING SKELETON ────────────────────────────────────────── */
.skeleton {
  border-radius: 8px;
  background: linear-gradient(90deg, #F0F2F7 25%, #E4E7EF 50%, #F0F2F7 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }

.sk-card {
  height: 176px;
  border-radius: 16px;
}

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .ws-grid { grid-template-columns: repeat(auto-fill, minmax(256px, 1fr)); }
  .app-content { padding: 24px 24px; }
}

@media (max-width: 768px) {
  /* Sidebar becomes a drawer */
  .app-sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    transform: translateX(-100%);
    box-shadow: 4px 0 24px rgba(26,35,53,0.12);
  }

  .app-sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay {
    display: block;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.28s;
  }

  .app-sidebar.open ~ .sidebar-overlay,
  .sidebar-overlay.visible {
    opacity: 1;
    pointer-events: auto;
  }

  .topbar-hamburger { display: flex; }

  .app-topbar { padding: 0 16px; }
  .app-content { padding: 20px 16px; }

  .ws-grid { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; }

  .form-card { padding: 24px 20px; }
  .form-row { flex-direction: column; }
  .form-field { min-width: unset; }

  .ws-view-header { padding: 20px 16px 0; }
  .ws-view-meta { flex-direction: column; gap: 12px; }

  .form-actions { flex-direction: column-reverse; }
  .btn-create, .btn-cancel { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .topbar-actions .topbar-btn span { display: none; }
  .ws-view-name { font-size: 18px; }
}