/* =============================================
   COMPONENTS — Buttons, Forms, Cards, Tables
   ============================================= */

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-family: var(--font-body); font-weight: 600; text-decoration: none;
  border-radius: var(--radius-lg); cursor: pointer;
  transition: all var(--transition-interactive);
  white-space: nowrap; border: 2px solid transparent;
  padding: var(--space-2) var(--space-5); font-size: var(--text-sm);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--sm { padding: var(--space-1) var(--space-3); font-size: var(--text-xs); }
.btn--lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }
.btn--primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn--primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); box-shadow: var(--shadow-md); }
.btn--outline { background: transparent; color: var(--color-text); border-color: var(--color-border); }
.btn--outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn--danger { background: var(--color-error); color: #fff; border-color: var(--color-error); }
.btn--ghost { background: transparent; color: var(--color-text-muted); border: none; padding: var(--space-2); }
.btn--ghost:hover { color: var(--color-text); background: var(--color-surface-2); }
.btn--full { width: 100%; }
.btn--icon { width: 36px; height: 36px; padding: 0; border-radius: var(--radius-md); }
.btn--icon svg { width: 18px; height: 18px; }

/* --- Forms --- */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-group label { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); }
.form-group .form-hint { font-size: var(--text-xs); color: var(--color-text-muted); }
.form-input, .form-select, .form-textarea {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.15);
}
.form-input::placeholder { color: var(--color-text-faint); }
.form-textarea { min-height: 100px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.form-checkbox { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-sm); cursor: pointer; }
.form-checkbox input[type="checkbox"] {
  width: 18px; height: 18px; accent-color: var(--color-primary); cursor: pointer;
}
.form-divider { border: none; border-top: 1px solid var(--color-divider); margin: var(--space-6) 0; }

/* --- Cards --- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.card__header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-divider);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4);
}
.card__header h3 {
  font-family: var(--font-display); font-weight: 600;
  font-size: var(--text-lg); color: var(--color-text);
}
.card__body { padding: var(--space-6); }
.card--flat { border: none; box-shadow: var(--shadow-sm); }

/* --- Tables --- */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  text-align: left; font-size: var(--text-xs); font-weight: 600;
  color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.05em;
  padding: var(--space-3) var(--space-4);
  border-bottom: 2px solid var(--color-divider);
}
.data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm); color: var(--color-text);
  vertical-align: middle;
}
.data-table tr:hover td { background: var(--color-surface-2); }

/* --- Badges --- */
.badge {
  display: inline-flex; align-items: center; gap: var(--space-1);
  padding: 2px var(--space-3); border-radius: var(--radius-full);
  font-size: var(--text-xs); font-weight: 600;
  background: var(--color-surface-2); color: var(--color-text-muted);
}
.badge--success { background: var(--color-success-light); color: var(--color-success); }
.badge--error { background: var(--color-error-light); color: var(--color-error); }
.badge--warning { background: var(--color-warning-light); color: var(--color-warning); }
.badge--primary { background: var(--color-primary-light); color: var(--color-primary); }

/* --- Placeholder block --- */
.placeholder-block {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-6);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-faint); font-size: var(--text-sm);
  text-align: center; min-height: 200px;
  background: repeating-linear-gradient(
    45deg, transparent, transparent 10px,
    oklch(from var(--color-border) l c h / 0.15) 10px,
    oklch(from var(--color-border) l c h / 0.15) 20px
  );
}
.placeholder-block--sm { min-height: 120px; padding: var(--space-6); }
.placeholder-block--lg { min-height: 340px; }

/* --- Modal --- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.5); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center;
  padding: var(--space-6);
}
.modal-overlay.active { display: flex; }
.modal {
  background: var(--color-surface); border-radius: var(--radius-2xl);
  width: 100%; max-width: 540px; max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal__header {
  padding: var(--space-5) var(--space-6); border-bottom: 1px solid var(--color-divider);
  display: flex; align-items: center; justify-content: space-between;
}
.modal__header h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg); }
.modal__body { padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-5); }
.modal__footer {
  padding: var(--space-4) var(--space-6); border-top: 1px solid var(--color-divider);
  display: flex; justify-content: flex-end; gap: var(--space-3);
}

/* --- Tabs --- */
.tabs { display: flex; border-bottom: 2px solid var(--color-divider); gap: 0; }
.tab-btn {
  padding: var(--space-3) var(--space-5); font-size: var(--text-sm); font-weight: 500;
  color: var(--color-text-muted); border: none; background: none; cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  transition: all var(--transition-fast);
}
.tab-btn:hover { color: var(--color-text); }
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); font-weight: 600; }

/* --- Stat cards --- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-4); }
.stat-card {
  background: var(--color-surface); border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl); padding: var(--space-5);
}
.stat-card__label { font-size: var(--text-xs); color: var(--color-text-muted); margin-bottom: var(--space-1); }
.stat-card__value { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; color: var(--color-text); }
.stat-card__delta { font-size: var(--text-xs); font-weight: 600; margin-top: var(--space-1); }
.stat-card__delta--up { color: var(--color-success); }
.stat-card__delta--down { color: var(--color-error); }

/* --- Empty state --- */
.empty-state {
  text-align: center; padding: var(--space-16) var(--space-6);
  color: var(--color-text-muted);
}
.empty-state svg { width: 64px; height: 64px; margin: 0 auto var(--space-4); opacity: 0.4; }
.empty-state h3 { font-family: var(--font-display); font-size: var(--text-lg); margin-bottom: var(--space-2); color: var(--color-text); }
.empty-state p { font-size: var(--text-sm); margin-bottom: var(--space-6); max-width: 40ch; margin-inline: auto; }

/* --- Steps indicator --- */
.steps-indicator {
  display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-8);
}
.step-dot {
  width: 32px; height: 32px; border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  font-size: var(--text-xs); font-weight: 700;
  background: var(--color-surface-2); color: var(--color-text-muted);
  border: 2px solid var(--color-border);
  transition: all var(--transition-fast);
}
.step-dot.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.step-dot.done { background: var(--color-success); color: #fff; border-color: var(--color-success); }
.step-line { flex: 1; height: 2px; background: var(--color-border); }
.step-line.done { background: var(--color-success); }

/* --- Page header --- */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: var(--space-6); gap: var(--space-4); flex-wrap: wrap;
}
.page-header h1 {
  font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700;
}
.page-header p { color: var(--color-text-muted); font-size: var(--text-sm); }

/* --- Connector card --- */
.connector-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: var(--space-4); }
.connector-card {
  background: var(--color-surface); border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl); padding: var(--space-5);
  text-align: center; cursor: pointer;
  transition: all var(--transition-interactive);
}
.connector-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.connector-card__icon {
  width: 48px; height: 48px; margin: 0 auto var(--space-3);
  border-radius: var(--radius-lg); background: var(--color-primary-light);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
}
.connector-card__icon svg { width: 24px; height: 24px; }
.connector-card__name { font-weight: 600; font-size: var(--text-sm); }
.connector-card__desc { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--space-1); }

/* --- Chat interface --- */
.chat-container { display: flex; flex-direction: column; height: calc(100vh - var(--topbar-height) - var(--space-12)); }
.chat-messages { flex: 1; overflow-y: auto; padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-4); }
.chat-msg {
  max-width: 70%; padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-xl); font-size: var(--text-sm); line-height: 1.6;
}
.chat-msg--user {
  align-self: flex-end; background: var(--color-primary); color: #fff;
  border-bottom-right-radius: var(--radius-sm);
}
.chat-msg--ai {
  align-self: flex-start; background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-bottom-left-radius: var(--radius-sm);
}
.chat-msg--ai .msg-label { font-size: var(--text-xs); color: var(--color-primary); font-weight: 600; margin-bottom: var(--space-2); }
.chat-input-area {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex; gap: var(--space-3); align-items: center;
  background: var(--color-surface);
}
.chat-input-area input {
  flex: 1; padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border); border-radius: var(--radius-full);
  background: var(--color-bg); font-size: var(--text-sm);
}
.chat-input-area input:focus { outline: none; border-color: var(--color-primary); }

/* --- Roles matrix --- */
.roles-matrix { overflow-x: auto; }
.roles-matrix table th:first-child { text-align: left; min-width: 200px; }
.roles-matrix table th { text-align: center; }
.roles-matrix table td { text-align: center; }
.roles-matrix table td:first-child { text-align: left; font-weight: 500; }
.role-check { color: var(--color-success); font-weight: 700; font-size: 1.1rem; }
.role-cross { color: var(--color-error); font-weight: 700; font-size: 1.1rem; }

/* --- Utility --- */
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.text-center { text-align: center; }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-muted { color: var(--color-text-muted); }
.text-faint { color: var(--color-text-faint); }
.text-primary { color: var(--color-primary); }
.font-display { font-family: var(--font-display); }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.w-full { width: 100%; }
.hidden { display: none !important; }

/* --- Mobile responsive overrides for inline-styled grids --- */
@media (max-width: 860px) {
  /* Stack 2-column grids inside app-content */
  .app-content [style*="grid-template-columns:2fr 1fr"],
  .app-content [style*="grid-template-columns:1fr 1fr"],
  .app-content [style*="grid-template-columns:240px 1fr"] {
    grid-template-columns: 1fr !important;
  }

  /* Tables scroll horizontally */
  .data-table { font-size: 0.8rem; }
}

@media (max-width: 600px) {
  .app-content [style*="grid-template-columns:1fr 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
  .connector-grid {
    grid-template-columns: 1fr 1fr !important;
  }
}

/* --- AI Chat Page --- */
.ai-chat-page {
  display: flex; flex-direction: column;
  height: calc(100vh - var(--topbar-height) - var(--space-8));
  max-height: calc(100vh - 80px);
}
.ai-chat-container {
  flex: 1; display: flex; flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 0;
}
.ai-chat-messages {
  flex: 1; overflow-y: auto; padding: var(--space-6);
  display: flex; flex-direction: column; gap: var(--space-5);
}
.ai-chat-welcome {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: var(--space-10);
  gap: var(--space-4);
}
.ai-chat-welcome-icon {
  width: 80px; height: 80px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-surface-2));
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.ai-chat-welcome h2 {
  font-family: var(--font-display); font-size: var(--text-xl);
  font-weight: 700; color: var(--color-text);
}
.ai-chat-welcome p {
  color: var(--color-text-muted); font-size: var(--text-sm);
  max-width: 40ch;
}
.ai-chat-suggestions {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-3); margin-top: var(--space-4);
  max-width: 480px; width: 100%;
}
.ai-chat-suggestion {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2); border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg); cursor: pointer;
  font-size: var(--text-sm); color: var(--color-text);
  text-align: left;
  transition: all var(--transition-fast);
}
.ai-chat-suggestion:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  transform: translateY(-1px);
}
.suggestion-icon { font-size: 1.2rem; }

/* Messages */
.ai-msg {
  display: flex; gap: var(--space-3);
  max-width: 85%;
  animation: fadeInMsg 0.3s ease-out;
}
.ai-msg--user { align-self: flex-end; flex-direction: row-reverse; }
.ai-msg--assistant { align-self: flex-start; }
.ai-msg__avatar-user {
  width: 32px; height: 32px; border-radius: var(--radius-full);
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: var(--text-xs); font-weight: 700; flex-shrink: 0;
}
.ai-msg__avatar-ai {
  width: 32px; height: 32px; border-radius: var(--radius-full);
  background: var(--color-surface-2); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.ai-msg__avatar-ai svg { width: 18px; height: 18px; }
.ai-msg__content { min-width: 0; }
.ai-msg__name {
  font-size: var(--text-xs); font-weight: 600;
  color: var(--color-text-muted); margin-bottom: var(--space-1);
}
.ai-msg--user .ai-msg__name { text-align: right; }
.ai-msg__text {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm); line-height: 1.7;
  word-break: break-word;
}
.ai-msg--user .ai-msg__text {
  background: var(--color-primary); color: #fff;
  border-bottom-right-radius: var(--radius-sm);
}
.ai-msg--assistant .ai-msg__text {
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-bottom-left-radius: var(--radius-sm);
  color: var(--color-text);
}
.ai-msg__text pre {
  background: var(--color-bg); border-radius: var(--radius-md);
  padding: var(--space-3); overflow-x: auto;
  margin: var(--space-2) 0; font-size: var(--text-xs);
}
.ai-msg__text code {
  background: var(--color-bg); padding: 1px 4px;
  border-radius: var(--radius-sm); font-size: 0.9em;
}
.ai-msg__text pre code { background: none; padding: 0; }

/* Input area */
.ai-chat-input-area {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-divider);
  background: var(--color-surface);
}
.ai-chat-input-wrapper {
  display: flex; gap: var(--space-3); align-items: flex-end;
}
.ai-chat-input {
  flex: 1; padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  font-size: var(--text-sm); color: var(--color-text);
  font-family: var(--font-body);
  resize: none; max-height: 150px;
  line-height: 1.5;
  transition: border-color var(--transition-fast);
}
.ai-chat-input:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.12);
}
.ai-chat-input::placeholder { color: var(--color-text-faint); }
.ai-chat-send-btn {
  width: 40px; height: 40px; border-radius: var(--radius-lg);
  background: var(--color-primary); color: #fff;
  border: none; cursor: pointer; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-fast);
}
.ai-chat-send-btn:hover { background: var(--color-primary-hover); transform: scale(1.05); }
.ai-chat-send-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.ai-chat-disclaimer {
  text-align: center; font-size: var(--text-xs);
  color: var(--color-text-faint); margin-top: var(--space-2);
}
.ai-chat-spinner {
  width: 18px; height: 18px; border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff; border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes fadeInMsg {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 600px) {
  .ai-chat-suggestions { grid-template-columns: 1fr; }
  .ai-msg { max-width: 95%; }
}

/* --- Password toggle eye --- */
.input-password-wrap {
  position: relative;
  display: block;
  width: 100%;
}
.input-password-wrap .form-input {
  width: 100%;
  padding-right: 44px;
  box-sizing: border-box;
}
.password-toggle {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: #9ca3af;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
  z-index: 2;
}
.password-toggle:hover {
  color: #6b7280;
}

/* --- Auth error block --- */
.auth-error {
  background: var(--color-error-light, rgba(239,68,68,0.1));
  color: var(--color-error, #ef4444);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 500;
  text-align: center;
  border: 1px solid var(--color-error, #ef4444);
  margin-bottom: var(--space-4);
}

/* --- Auth back link --- */
.auth-back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: var(--space-4);
  transition: color var(--transition-fast);
}
.auth-back-link:hover {
  color: var(--color-primary);
}

/* --- Scenario cards --- */
.scenario-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin: var(--space-6) 0;
}
@media (max-width: 600px) {
  .scenario-cards { grid-template-columns: 1fr; }
}
.scenario-card {
  border: 2px solid var(--color-divider);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-interactive);
  background: var(--color-surface);
}
.scenario-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.scenario-card svg {
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.scenario-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}
.scenario-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}