/*
 * 寸柔 v5 — 在线 HTML 编辑器
 * 浅色 / 深色配色：掘金技术社区风格指导（暖米 / 海军蓝）
 */

:root {
  --font-sans: "DM Sans", "Source Han Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", Consolas, monospace;
  --radius: 10px;
  --transition: 0.2s ease;
}

/* —— 浅色 —— */
[data-theme="light"] {
  --page-bg: #fdf6ec;
  --header-title: #5c4f3d;
  --header-sub: #a89880;

  --toolbar-bg: #f0e6d5;
  --toolbar-text: #8c7b6b;
  --toolbar-border: #e8d9c0;

  --btn-idle-bg: #ede4d4;
  --btn-idle-border: #e8d9c0;
  --btn-idle-text: #8c7b6b;
  --btn-active-bg: #fdf6ec;
  --btn-active-text: #5c4f3d;
  --accent-cta: #f0708a;
  --accent-cta-text: #fffefc;
  --accent-cta-hover: #e05575;
  --shadow: 0 10px 36px rgba(92, 79, 61, 0.08);

  --divider-color: #ddd0be;

  /* 下载按钮 — 莫兰迪色系 */
  --dl-html-bg: #8bacc4;
  --dl-html-hover: #7a9bb5;
  --dl-html-text: #2c3e50;

  --dl-png-bg: #8fbfa0;
  --dl-png-hover: #7db090;
  --dl-png-text: #2c3e2e;

  --dl-pdf-bg: #c4a48a;
  --dl-pdf-hover: #b6957a;
  --dl-pdf-text: #3e2c1e;

  --editor-border: #e8d9c0;
  --cm-bg: #fdf6ec;
  --cm-gutter-bg: #f7efe0;
  --cm-gutter-fg: #c4a882;
  --cm-active-line: #f0e6d3;
  --cm-selection: #fadadd;
  --cm-cursor: #e06c75;

  --scrollbar-track: #ede0cc;
  --scrollbar-thumb: #d4c4a8;
  --scrollbar-thumb-end: #c8b494;
  --scrollbar-thumb-hover: #bfa87e;

  --footer-bar-bg: #f0e6d5;
  --footer-bar-text: #9c8870;
  --footer-hint: #b0a090;

  /* 语法 token */
  --syn-keyword: #f0708a;
  --syn-class-name: #e8a838;
  --syn-function: #56b3c4;
  --syn-identifier: #e8a838;
  --syn-property: #e06c75;
  --syn-string: #98c379;
  --syn-number: #d19a66;
  --syn-operator: #56b3c4;
  --syn-punctuation: #a89070;
  --syn-comment: #b0a090;
  --syn-jsdoc: #c4956a;
  --syn-type: #b0c4de;
  --syn-default: #5c4f3d;
}

/* —— 深色 —— */
[data-theme="dark"] {
  --page-bg: #1e2432;
  --header-title: #cdd6f4;
  --header-sub: #5d6d8a;

  --toolbar-bg: #161c28;
  --toolbar-text: #8899bb;
  --toolbar-border: #2e3648;

  --btn-idle-bg: #1a1f2e;
  --btn-idle-border: #2e3648;
  --btn-idle-text: #8899bb;
  --btn-active-bg: #1e2432;
  --btn-active-text: #cdd6f4;
  --accent-cta: #ff7ab2;
  --accent-cta-text: #161c28;
  --accent-cta-hover: #ff94c4;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);

  --divider-color: #2e3648;

  /* 下载按钮 — 莫兰迪色系 (深色模式) */
  --dl-html-bg: #5e7f99;
  --dl-html-hover: #6f90aa;
  --dl-html-text: #e8edf2;

  --dl-png-bg: #5b8a6e;
  --dl-png-hover: #6d9b80;
  --dl-png-text: #e4f0e8;

  --dl-pdf-bg: #8e7661;
  --dl-pdf-hover: #a08872;
  --dl-pdf-text: #f0e8e0;

  --editor-border: #2e3648;
  --cm-bg: #1e2432;
  --cm-gutter-bg: #1a1f2e;
  --cm-gutter-fg: #4a5568;
  --cm-active-line: #252d3d;
  --cm-selection: #3d4a6a;
  --cm-cursor: #ff7ab2;

  --scrollbar-track: #1e2432;
  --scrollbar-thumb: #3a4560;
  --scrollbar-thumb-end: #4a5878;
  --scrollbar-thumb-hover: #546288;

  --footer-bar-bg: #161c28;
  --footer-bar-text: #6b7a99;
  --footer-hint: #4d5d78;

  --syn-keyword: #ff7ab2;
  --syn-class-name: #ffb347;
  --syn-function: #67d9e8;
  --syn-identifier: #ffb347;
  --syn-property: #ff8a9b;
  --syn-string: #a8e878;
  --syn-number: #ffd580;
  --syn-operator: #67d9e8;
  --syn-punctuation: #8899aa;
  --syn-comment: #6b8a7a;
  --syn-jsdoc: #88b4a0;
  --syn-type: #7ec8e3;
  --syn-default: #cdd6f4;
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
}

html,
body {
  margin: 0;
  min-height: 100%;
  height: 100%;
  font-family: var(--font-sans);
  background: var(--page-bg);
  color: var(--header-title);
  transition: background var(--transition), color var(--transition);
}

@supports (height: 100dvh) {
  html,
  body {
    min-height: 100dvh;
    height: 100dvh;
  }
}

body {
  overflow: hidden;
}

.app {
  max-width: 1200px;
  width: 100%;
  height: 100%;
  min-height: 0;
  margin: 0 auto;
  padding: max(8px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.app-workbench {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ---- Toolbar ---- */
.toolbar {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 5px;
  padding: 6px 10px;
  background: var(--toolbar-bg);
  border: 1px solid var(--editor-border);
  border-bottom: 1px solid var(--toolbar-border);
  border-radius: var(--radius) var(--radius) 0 0;
  box-shadow: var(--shadow);
}

/* ---- Brand (logo + title + tagline) ---- */
.toolbar-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  margin-right: 4px;
}

.toolbar-logo {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  object-fit: contain;
}

.toolbar-title {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--header-title);
  white-space: nowrap;
}

.toolbar-tagline {
  font-size: 0.6875rem;
  color: var(--header-sub);
  white-space: nowrap;
  margin-left: 2px;
}

/* ---- Divider between action & download groups ---- */
.toolbar-divider {
  width: 1px;
  height: 18px;
  background: var(--divider-color);
  flex-shrink: 0;
  margin: 0 2px;
  border-radius: 1px;
}

/* ---- Spacer pushes theme toggle to right ---- */
.toolbar-spacer {
  flex: 1 1 auto;
  min-width: 0;
}

/* ---- Buttons ---- */
.toolbar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 4px 9px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background var(--transition),
    border-color var(--transition),
    color var(--transition),
    box-shadow var(--transition);

  background: var(--btn-idle-bg);
  border: 1px solid var(--btn-idle-border);
  color: var(--btn-idle-text);
}

.toolbar-btn:hover,
.toolbar-btn:focus-visible {
  background: var(--btn-active-bg);
  border-color: var(--toolbar-border);
  color: var(--btn-active-text);
}

.toolbar-btn:focus-visible {
  outline: 2px solid var(--accent-cta);
  outline-offset: 1px;
}

/* ---- Download button: HTML ---- */
.toolbar-btn--dl-html {
  background: var(--dl-html-bg);
  border-color: var(--dl-html-bg);
  color: var(--dl-html-text);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(139, 172, 196, 0.2);
}

.toolbar-btn--dl-html:hover,
.toolbar-btn--dl-html:focus-visible {
  background: var(--dl-html-hover);
  border-color: var(--dl-html-hover);
  color: var(--dl-html-text);
}

[data-theme="dark"] .toolbar-btn--dl-html {
  box-shadow: 0 2px 10px rgba(94, 127, 153, 0.2);
}

/* ---- Download button: PNG ---- */
.toolbar-btn--dl-png {
  background: var(--dl-png-bg);
  border-color: var(--dl-png-bg);
  color: var(--dl-png-text);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(143, 191, 160, 0.2);
}

.toolbar-btn--dl-png:hover,
.toolbar-btn--dl-png:focus-visible {
  background: var(--dl-png-hover);
  border-color: var(--dl-png-hover);
  color: var(--dl-png-text);
}

[data-theme="dark"] .toolbar-btn--dl-png {
  box-shadow: 0 2px 10px rgba(91, 138, 110, 0.2);
}

/* ---- Download button: PDF ---- */
.toolbar-btn--dl-pdf {
  background: var(--dl-pdf-bg);
  border-color: var(--dl-pdf-bg);
  color: var(--dl-pdf-text);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(196, 164, 138, 0.2);
}

.toolbar-btn--dl-pdf:hover,
.toolbar-btn--dl-pdf:focus-visible {
  background: var(--dl-pdf-hover);
  border-color: var(--dl-pdf-hover);
  color: var(--dl-pdf-text);
}

[data-theme="dark"] .toolbar-btn--dl-pdf {
  box-shadow: 0 2px 10px rgba(142, 118, 97, 0.2);
}

/* ---- Theme toggle ---- */
.theme-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.6875rem;
  color: var(--toolbar-text);
  flex-shrink: 0;
}

.theme-toggle label {
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 3px;
}

.theme-toggle input {
  accent-color: var(--accent-cta);
  width: 13px;
  height: 13px;
}

/* ---- Editor ---- */
.editor-wrap {
  flex: 1;
  min-height: 0;
  margin-top: 0;
  border: 1px solid var(--editor-border);
  border-top: none;
  border-bottom: none;
  border-radius: 0;
  overflow: hidden;
  background: var(--cm-bg);
  position: relative;
}

.editor-wrap .CodeMirror {
  height: 100%;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
}

/* ---- CodeMirror base ---- */
.CodeMirror {
  background: var(--cm-bg) !important;
  color: var(--syn-default) !important;
}

.CodeMirror-gutters {
  background: var(--cm-gutter-bg) !important;
  border-right: 1px solid var(--editor-border) !important;
}

.CodeMirror-linenumber {
  color: var(--cm-gutter-fg) !important;
  font-size: 12px !important;
  padding: 0 10px 0 6px !important;
}

.CodeMirror-cursor {
  border-left: 2px solid var(--cm-cursor) !important;
}

.CodeMirror-selected,
.CodeMirror-focused .CodeMirror-selected {
  background: var(--cm-selection) !important;
}

.CodeMirror-line::selection,
.CodeMirror-line > span::selection,
.CodeMirror-line > span > span::selection {
  background: var(--cm-selection);
}

.CodeMirror-activeline-background {
  background: var(--cm-active-line) !important;
}

/* ---- Code folding ---- */
.CodeMirror-foldgutter-open,
.CodeMirror-foldgutter-folded {
  color: var(--cm-gutter-fg) !important;
  cursor: pointer;
  padding: 0 4px;
  font-size: 12px;
  line-height: 1;
}

.CodeMirror-foldgutter-open::after { content: "▾"; }
.CodeMirror-foldgutter-folded::after { content: "▸"; }

.CodeMirror-foldmarker {
  color: var(--syn-comment) !important;
  background: var(--cm-active-line) !important;
  border-radius: 3px;
  padding: 0 4px;
  font-size: 0.85em;
  cursor: pointer;
}

/* ---- Search / replace dialog ---- */
.CodeMirror-dialog {
  background: var(--toolbar-bg) !important;
  color: var(--toolbar-text) !important;
  border-bottom: 1px solid var(--editor-border) !important;
  padding: 4px 10px !important;
  font-family: var(--font-sans) !important;
  font-size: 13px !important;
}

.CodeMirror-dialog input {
  background: var(--btn-idle-bg) !important;
  color: var(--btn-active-text) !important;
  border: 1px solid var(--editor-border) !important;
  border-radius: 4px;
  padding: 2px 6px;
  font-family: var(--font-mono) !important;
  font-size: 13px;
  outline: none;
}

.CodeMirror-dialog input:focus {
  border-color: var(--accent-cta) !important;
}

/* ---- Scrollbar (editor) ---- */
.CodeMirror-vscrollbar,
.CodeMirror-hscrollbar,
.CodeMirror-scroll {
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

.CodeMirror-vscrollbar::-webkit-scrollbar,
.CodeMirror-hscrollbar::-webkit-scrollbar,
.CodeMirror-scroll::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.CodeMirror-vscrollbar::-webkit-scrollbar-track,
.CodeMirror-hscrollbar::-webkit-scrollbar-track,
.CodeMirror-scroll::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
  border-radius: 4px;
}

.CodeMirror-vscrollbar::-webkit-scrollbar-thumb,
.CodeMirror-hscrollbar::-webkit-scrollbar-thumb,
.CodeMirror-scroll::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--scrollbar-thumb), var(--scrollbar-thumb-end, var(--scrollbar-thumb)));
  border-radius: 4px;
  border: 2px solid var(--scrollbar-track);
  background-clip: padding-box;
}

.CodeMirror-vscrollbar::-webkit-scrollbar-thumb:hover,
.CodeMirror-hscrollbar::-webkit-scrollbar-thumb:hover,
.CodeMirror-scroll::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
  border: 2px solid var(--scrollbar-track);
  background-clip: padding-box;
}

.CodeMirror-vscrollbar::-webkit-scrollbar-corner,
.CodeMirror-hscrollbar::-webkit-scrollbar-corner,
.CodeMirror-scroll::-webkit-scrollbar-corner {
  background: var(--scrollbar-track);
}

.CodeMirror-vscrollbar,
.CodeMirror-hscrollbar {
  background: var(--scrollbar-track) !important;
}

/* ---- Syntax highlighting ---- */
.cm-s-default .cm-keyword { color: var(--syn-keyword); font-weight: 700; }
.cm-s-default .cm-atom { color: var(--syn-number); font-weight: 400; }
.cm-s-default .cm-number { color: var(--syn-number); }
.cm-s-default .cm-def { color: var(--syn-function); font-weight: 400; }
.cm-s-default .cm-variable { color: var(--syn-identifier); }
.cm-s-default .cm-variable-2 { color: var(--syn-identifier); }
.cm-s-default .cm-variable-3 { color: var(--syn-type); font-style: italic; }
.cm-s-default .cm-tag { color: var(--syn-class-name); font-weight: 700; }
.cm-s-default .cm-bracket { color: var(--syn-punctuation); font-weight: 400; }
.cm-s-default .cm-attribute { color: var(--syn-property); font-style: italic; }
.cm-s-default .cm-property { color: var(--syn-property); font-style: italic; }
.cm-s-default .cm-string,
.cm-s-default .cm-string-2 { color: var(--syn-string); font-style: normal; }
.cm-s-default .cm-comment { color: var(--syn-comment); font-style: italic; }
.cm-s-default .cm-comment.cm-keyword,
.cm-s-default .cm-comment.cm-variable-2 { color: var(--syn-jsdoc); font-style: italic; font-weight: 400; }
.cm-s-default .cm-operator { color: var(--syn-operator); font-weight: 400; }
.cm-s-default .cm-meta { color: var(--syn-punctuation); }
.cm-s-default .cm-qualifier { color: var(--syn-class-name); font-weight: 700; }
.cm-s-default .cm-builtin { color: var(--syn-class-name); font-weight: 700; }

/* ---- Footer ---- */
.site-footer {
  flex-shrink: 0;
  margin-top: 0;
  padding: 5px 12px;
  background: var(--footer-bar-bg);
  border: 1px solid var(--editor-border);
  border-top: 1px solid var(--toolbar-border);
  border-radius: 0 0 var(--radius) var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 11px;
  color: var(--footer-bar-text);
  white-space: nowrap;
}

.footer-meta {
  color: var(--footer-bar-text);
  font-weight: 500;
}

.footer-sep {
  color: var(--divider-color);
  font-size: 10px;
}

.footer-hint {
  color: var(--footer-hint);
}

/* ---- Toast ---- */
.toast-msg {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.85);
  padding: 10px 24px;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-cta-text);
  background: var(--accent-cta);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
  pointer-events: none;
  opacity: 0;
  z-index: 9999;
  transition: opacity 0.25s ease, transform 0.25s ease;
  white-space: nowrap;
}

.toast-msg--visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

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

@media (max-width: 900px) {
  .toolbar {
    gap: 4px;
    padding: 5px 8px;
  }

  .toolbar-btn {
    padding: 3px 7px;
    font-size: 0.7rem;
  }

  .toolbar-tagline {
    display: none;
  }
}

@media (max-width: 640px) {
  .app {
    padding: max(6px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right)) max(6px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
  }

  .toolbar-title {
    font-size: 0.8125rem;
  }

  .toolbar-btn {
    padding: 3px 6px;
    font-size: 0.6875rem;
  }

  .footer-hint {
    display: none;
  }

  .footer-sep:last-of-type,
  .footer-hint + .footer-sep {
    display: none;
  }
}

@media (max-width: 480px) {
  .toolbar-logo {
    width: 18px;
    height: 18px;
  }

  .toolbar-btn {
    padding: 3px 5px;
    font-size: 0.65rem;
    border-radius: 5px;
  }

  .theme-toggle {
    gap: 4px;
    font-size: 0.625rem;
  }

  .theme-toggle input {
    width: 11px;
    height: 11px;
  }

  .site-footer {
    font-size: 10px;
    padding: 4px 8px;
  }
}

/* Landscape phones */
@media (max-height: 420px) and (orientation: landscape) {
  .app {
    padding: 4px max(6px, env(safe-area-inset-right)) 4px max(6px, env(safe-area-inset-left));
  }

  .toolbar {
    padding: 4px 8px;
    gap: 3px;
  }

  .toolbar-btn {
    padding: 2px 6px;
    font-size: 0.65rem;
  }

  .toolbar-tagline {
    display: none;
  }

  .site-footer {
    padding: 3px 8px;
  }

  .footer-hint {
    display: none;
  }
}