/* Homework action buttons follow the Local dashboard palette in both apps. */
.button,
.hw-correction-save {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 20px;
  border: 1px solid #d6e6ff;
  border-radius: var(--radius-sm);
  background: var(--primary-soft);
  color: var(--primary);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  box-shadow: none;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}
.button:hover,
.hw-correction-save:hover { background: #dbeafe; border-color: #bfdbfe; color: var(--primary-hover); }
.button:active,
.hw-correction-save:active { background: #bfdbfe; color: var(--primary-hover); }
.button-secondary {
  border-color: var(--border);
  background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
  color: var(--text);
  box-shadow: 0 1px 1px rgb(30 31 36 / 3%);
}
.button-secondary:hover { border-color: #d1d5db; background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%); color: var(--text); }
.button-ghost { min-height: 36px; padding: 6px 12px; border-color: transparent; background: transparent; color: var(--primary); }
.button-ghost:hover { border-color: transparent; background: var(--primary-soft); color: var(--primary-hover); }
.button-sm { min-height: 34px; padding: 0 12px; font-size: 13px; }
.button svg { flex: 0 0 auto; width: 16px; height: 16px; }
/* Compact form controls share the platform palette, not a document skin. */
.hw-control-sm {
  box-sizing: border-box;
  min-height: 34px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface, #fff);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  line-height: 1.4;
}
.hw-control-sm:hover { border-color: var(--primary-border, #d6e6ff); }
.hw-control-sm:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.hw-control-sm:disabled { opacity: .45; cursor: not-allowed; }
.hw-checkbox { display: inline-flex; align-items: center; gap: 8px; min-height: 34px; color: var(--text); font: inherit; font-size: 13px; cursor: pointer; }
.hw-checkbox input[type="checkbox"] { flex: 0 0 auto; width: 18px; height: 18px; min-height: 0; margin: 0; accent-color: var(--primary); }
.hw-checkbox input:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
.hw-checkbox:has(input:disabled) { color: var(--text-muted); cursor: default; }
.button-danger { background: var(--danger-bg); color: var(--danger-text); border-color: var(--danger-border); }
.button-danger:hover, .button-danger:active { background: var(--danger-border); color: var(--danger-text); border-color: var(--danger-text); }
.button-warning { background: var(--warning-bg); color: var(--warning-text); border-color: var(--warning-text); }
.button-warning:hover, .button-warning:active { background: var(--warning-bg); color: var(--warning-text); border-color: currentColor; box-shadow: inset 0 0 0 1px currentColor; }
.button-success { background: var(--success-bg); color: var(--success-text); border-color: var(--success-dot); }
.button-success:hover, .button-success:active { background: var(--success-bg); color: var(--success-text); border-color: currentColor; box-shadow: inset 0 0 0 1px currentColor; }
.button:disabled,
.hw-correction-save:disabled { opacity: .45; cursor: not-allowed; }
.button:focus-visible,
.hw-correction-save:focus-visible { outline: 3px solid var(--primary-soft); outline-offset: 2px; }
.button-danger:focus-visible { outline-color: var(--danger-text); }

/* Compact header actions shared by the Local and Cloud Homework shells. */
.hw-icon-button {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease;
}
.hw-icon-button:hover { background: var(--bg); color: var(--text); }
.hw-icon-button:focus-visible { outline: 3px solid var(--primary-soft); outline-offset: 2px; }
.hw-icon-button svg { width: 20px; height: 20px; flex: 0 0 auto; stroke-linecap: round; stroke-linejoin: round; }