/* ============================================
   COMPONENTS: Buttons โ€” Obsidian Aurora
   ============================================
   Gradient primary, ghost secondary, glow hover.
   ============================================ */

/* Base Button */
.btn {
  padding: 10px 16px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: var(--text);
  font-weight: var(--font-weight-semibold);
  font-size: 13px;
  line-height: 1;
  position: relative;
  overflow: hidden;
}

.btn i {
  font-size: 13px;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

/* Color Variants */
.btn-primary {
  background: var(--color-primary);
  color: #000000;
  font-weight: var(--font-weight-bold);
}

.btn-primary:hover {
  background: #E4E8F1;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--surface-2);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.btn-secondary:hover {
  background: var(--surface);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--color-primary);
}

.btn-success {
  background: var(--color-success);
  color: #052e16;
  font-weight: var(--font-weight-bold);
}

.btn-success:hover {
  box-shadow: 0 4px 20px rgba(34, 197, 94, 0.3);
}

.btn-danger {
  background: transparent;
  color: var(--color-danger);
  border: 1px solid var(--status-offline-border);
}

.btn-danger:hover {
  background: var(--color-danger-light);
  border-color: var(--color-danger);
}

/* Ghost button — transparent outline (prototype: Refresh etc.) */
.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.16);
}

/* Square icon button (prototype: row actions + input adornments) */
.icon-btn {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast, all 0.15s ease);
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.16);
}

.icon-btn.danger:hover {
  color: var(--color-danger);
  border-color: var(--color-danger);
  background: var(--color-danger-light);
}

.input-group .icon-btn {
  align-self: stretch;
  height: auto;
  width: 42px;
  padding: 0;
  flex-shrink: 0;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.input-group .icon-btn:hover {
  background: var(--surface-3);
  color: var(--text);
}

/* Row action button group (right-aligned in table cells) */
.row-icon-btns {
  display: flex;
  gap: 4px;
}

.btn-warning {
  background: var(--color-warning);
  color: #1a1200;
  font-weight: var(--font-weight-bold);
}

.btn-info {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-info:hover {
  background: rgba(255, 255, 255, 0.18);
  box-shadow: var(--glow-primary);
}

/* Size Variants */
.btn-sm {
  padding: 7px 12px;
  font-size: 12px;
}
.btn-sm i { font-size: 12px; }

/* Full Width */
.btn-full {
  width: 100%;
  justify-content: center;
}

/* Icon-only Button */
.btn-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  padding: 0;
  justify-content: center;
  background: var(--surface-2);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-dim);
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-icon i {
  font-size: var(--font-size-lg);
}

/* Icon-only Small */
.btn-icon-only {
  padding: 11px 14px;
  min-width: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-dim);
}

.btn-icon-only:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-primary);
}

.btn-icon-only i {
  margin: 0;
}

/* Icon Small Button */
.btn-icon-small {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 6px;
  transition: var(--transition-fast);
}

.btn-icon-small:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-primary);
}

/* Copy Button */
.btn-copy {
  background: var(--surface-2);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-dim);
  padding: 8px;
  border-radius: var(--radius-sm);
}

.btn-copy:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Example Button */
.btn-example {
  background: var(--surface-3);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-dim);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: var(--transition);
}

.btn-example:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-example.active {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-primary);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Provider Buttons */
.btn-provider {
  background: var(--surface-2);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-provider:hover {
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.btn-provider.gmail:hover {
  background: rgba(234, 67, 53, 0.12);
  border-color: rgba(234, 67, 53, 0.3);
  color: #ea4335;
}

.btn-provider.outlook:hover {
  background: rgba(0, 120, 212, 0.12);
  border-color: rgba(0, 120, 212, 0.3);
  color: #0078d4;
}

.btn-provider.yahoo:hover {
  background: rgba(96, 1, 210, 0.12);
  border-color: rgba(96, 1, 210, 0.3);
  color: #6001d2;
}

/* Icon Toggle Button */
.btn-icon-toggle {
  background: var(--surface-2);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-dim);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
}

.btn-icon-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Button Groups — prototype: content-sized buttons, left-aligned (NOT stretched) */
.account-button-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.copy-button-group {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.copy-button-group .btn {
  white-space: nowrap;
}

.button-group {
  display: flex;
  gap: 10px;
}

.button-group .btn {
  flex: 1;
}

.button-group-horizontal {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
}

/* Action Buttons Container */
.action-buttons {
  display: flex;
  gap: 6px;
}

/* =================== Responsive =================== */

@media (max-width: 768px) {
  .account-button-group {
    flex-direction: column;
  }
  .account-button-group .btn {
    width: 100%;
  }
  .copy-button-group {
    flex-direction: column;
  }
  .button-group-horizontal {
    grid-template-columns: 1fr;
  }
  .btn-icon-only {
    width: 100%;
  }
  .btn-icon-toggle {
    width: 100%;
  }
  .btn-provider {
    width: 100%;
    justify-content: center;
  }
  .btn-example {
    width: 100%;
  }
  .symbol-mapping-grid button {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .button-group {
    flex-direction: column;
  }
  .button-group .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .action-buttons {
    flex-direction: column;
  }
}