/*
 * Heyming OS Notepad — Tier-1 rebuild.
 *
 * Dark HOSDL chrome wrapping a paper-like writing surface (TextEdit feel).
 * Quill .ql-* classes are restyled in place — the Quill JS module remains
 * untouched.
 */

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-family: var(--font-ui);
  background: var(--surface-0);
  color: var(--text-1);
  display: flex;
  flex-direction: column;
}

.page-title {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.notepad-header {
  border-radius: 0;
  border-left: none;
  border-right: none;
  border-top: none;
}

.notepad-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 20px 24px 32px;
  box-sizing: border-box;
}

.notepad-paper {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 12px 32px color-mix(in srgb, var(--pure-black) 35%, transparent);
}

#editor {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* ─── Quill toolbar — flatten to HOSDL chrome ─────────────────────── */

.ql-snow.ql-toolbar,
.ql-snow .ql-toolbar {
  border: none !important;
  border-bottom: 1px solid var(--hairline) !important;
  background: var(--surface-2) !important;
  padding: 10px 14px !important;
  font-family: var(--font-ui) !important;
}

.ql-snow.ql-toolbar .ql-formats,
.ql-snow .ql-toolbar .ql-formats {
  margin-right: 18px !important;
}

.ql-snow.ql-toolbar button,
.ql-snow .ql-toolbar button {
  width: 32px !important;
  height: 32px !important;
  padding: 6px !important;
  border-radius: var(--radius-sm) !important;
  color: var(--text-2) !important;
  transition: background var(--motion-hover), color var(--motion-hover) !important;
}

.ql-snow.ql-toolbar button:hover,
.ql-snow .ql-toolbar button:hover {
  background: var(--surface-1) !important;
  color: var(--text-1) !important;
}

.ql-snow.ql-toolbar button.ql-active,
.ql-snow .ql-toolbar button.ql-active {
  background: var(--accent-primary-soft) !important;
  color: var(--accent-primary) !important;
}

.ql-snow.ql-toolbar button svg,
.ql-snow .ql-toolbar button svg {
  width: 18px !important;
  height: 18px !important;
}

.ql-snow .ql-stroke {
  stroke: currentColor !important;
}

.ql-snow .ql-fill,
.ql-snow .ql-stroke.ql-fill {
  fill: currentColor !important;
}

.ql-snow .ql-picker {
  color: var(--text-2) !important;
}

.ql-snow .ql-picker:hover,
.ql-snow .ql-picker.ql-expanded .ql-picker-label {
  color: var(--text-1) !important;
}

.ql-snow .ql-picker-options {
  background: var(--surface-1) !important;
  border: 1px solid var(--hairline-strong) !important;
  border-radius: var(--radius) !important;
  box-shadow: 0 12px 28px color-mix(in srgb, var(--pure-black) 45%, transparent) !important;
  color: var(--text-1) !important;
}

.ql-snow .ql-picker.ql-expanded .ql-picker-label {
  border-color: var(--hairline-accent) !important;
}

.ql-snow .ql-picker .ql-picker-item:hover,
.ql-snow .ql-picker .ql-picker-item.ql-selected {
  color: var(--accent-primary) !important;
}

.ql-snow .ql-tooltip {
  background: var(--surface-1) !important;
  border: 1px solid var(--hairline-strong) !important;
  border-radius: var(--radius) !important;
  color: var(--text-1) !important;
  box-shadow: 0 12px 28px color-mix(in srgb, var(--pure-black) 45%, transparent) !important;
}

.ql-snow .ql-tooltip input[type='text'] {
  background: var(--surface-2) !important;
  border: 1px solid var(--hairline-strong) !important;
  color: var(--text-1) !important;
  border-radius: var(--radius-sm) !important;
}

.ql-snow .ql-tooltip a.ql-action,
.ql-snow .ql-tooltip a.ql-remove {
  color: var(--accent-primary-hover) !important;
}

/* ─── Quill content area — paper-like writing surface ─────────────── */

.ql-container {
  flex: 1;
  font-size: 18px;
  font-family: 'iA Writer Quattro', 'Georgia', 'Charter', 'Times New Roman', serif;
  line-height: 1.65;
  border: none !important;
  background: var(--surface-0);
}

.ql-container.ql-snow {
  border: none !important;
}

.ql-editor {
  padding: 32px 36px !important;
  color: var(--text-1);
  caret-color: var(--accent-primary);
  min-height: calc(100vh - 220px);
}

.ql-editor::selection,
.ql-editor *::selection {
  background: var(--accent-primary-soft);
  color: var(--text-1);
}

.ql-editor.ql-blank::before {
  color: var(--text-3) !important;
  font-style: normal !important;
  font-family: var(--font-ui) !important;
  font-size: 16px !important;
  left: 36px !important;
}

.ql-editor h1,
.ql-editor h2,
.ql-editor h3 {
  font-family: var(--font-ui);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-1);
  margin-top: 1.4em;
  margin-bottom: 0.4em;
}

.ql-editor h1 {
  font-size: 2.25em;
}
.ql-editor h2 {
  font-size: 1.75em;
}
.ql-editor h3 {
  font-size: 1.35em;
}

.ql-editor blockquote {
  border-left: 3px solid var(--accent-primary);
  padding: 4px 0 4px 16px;
  margin-left: 0;
  color: var(--text-2);
  font-style: italic;
}

.ql-editor pre,
.ql-editor .ql-code-block-container {
  background: var(--surface-2) !important;
  border: 1px solid var(--hairline) !important;
  border-radius: var(--radius-sm) !important;
  color: var(--text-1) !important;
  font-family: var(--font-mono) !important;
  font-size: 14px !important;
  padding: 12px 14px !important;
}

.ql-editor code {
  background: var(--surface-2);
  color: var(--accent-primary-hover);
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 1px 6px;
  border-radius: 4px;
}

.ql-editor a {
  color: var(--accent-primary-hover);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Scrollbar inside the editor */
.ql-editor::-webkit-scrollbar {
  width: 10px;
}
.ql-editor::-webkit-scrollbar-track {
  background: transparent;
}
.ql-editor::-webkit-scrollbar-thumb {
  background: var(--hairline-strong);
  border-radius: 5px;
}
.ql-editor::-webkit-scrollbar-thumb:hover {
  background: var(--text-3);
}

/* ─── Custom toolbar buttons (notepad.js appends these) ───────────── */

.ql-copy-button,
.ql-export-button,
.ql-import-button,
.ql-post-button,
.ql-save-button,
.ql-save-as-button {
  background: transparent !important;
  border: 1px solid var(--hairline) !important;
  border-radius: var(--radius-sm) !important;
  padding: 0 !important;
  margin-left: 8px !important;
  cursor: pointer;
  font-size: 16px !important;
  transition: background var(--motion-hover), border-color var(--motion-hover);
  width: 32px !important;
  height: 32px !important;
  display: flex !important;
  align-items: center;
  justify-content: center;
}

.ql-post-button {
  width: auto !important;
  padding: 0 10px !important;
  font-size: 12px !important;
  font-weight: 600;
  white-space: nowrap;
  color: var(--text-1);
}

.ql-copy-button:hover,
.ql-export-button:hover,
.ql-import-button:hover,
.ql-post-button:hover,
.ql-save-button:hover,
.ql-save-as-button:hover {
  background: var(--surface-1) !important;
  border-color: var(--hairline-accent) !important;
}

.ql-copy-button:active,
.ql-export-button:active,
.ql-import-button:active,
.ql-post-button:active,
.ql-save-button:active,
.ql-save-as-button:active {
  background: var(--accent-primary-soft) !important;
}

@media (max-width: 640px) {
  .notepad-content {
    padding: 16px;
  }
  .ql-editor {
    padding: 20px 18px !important;
  }
  .ql-editor.ql-blank::before {
    left: 18px !important;
  }
  .ql-snow.ql-toolbar,
  .ql-snow .ql-toolbar {
    padding: 8px 10px !important;
  }
}