/* ── Reset & Base ── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root,
[data-theme="mono"] {
  --accent: #333333;
  --accent-hover: #222222;
  --accent-active: #111111;
  --accent-light: #f0f0f0;
  --bg: #f5f5f5;
  --card-bg: #ffffff;
  --text: #1a1a1a;
  --text-secondary: #888888;
  --bold-color: #000000;
  --heading-color: #1a1a1a;
  --border: #e0e0e0;
  --code-bg: #f0f0f0;
  --code-color: #333333;
  --code-block-bg: #1e1e1e;
  --code-block-color: #d4d4d4;
  --blockquote-text: #444444;
  --btn-secondary-bg: #ebebeb;
  --btn-secondary-hover: #e0e0e0;
  --btn-secondary-active: #d5d5d5;
  --toast-bg: #1a1a1a;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.10);
  --radius: 20px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
}

/* ── Rose Pink ── */
[data-theme="rose"] {
  --accent: #d4688c;
  --accent-hover: #c55a7e;
  --accent-active: #b54c70;
  --accent-light: #fbeef3;
  --bg: #faf5f7;
  --card-bg: #ffffff;
  --text: #2e2028;
  --text-secondary: #9a8590;
  --bold-color: #b54c70;
  --heading-color: #c55a7e;
  --border: #eadde3;
  --code-bg: #f6edf1;
  --code-color: #b8507a;
  --code-block-bg: #2c1e26;
  --code-block-color: #d4a8bc;
  --blockquote-text: #4a3540;
  --btn-secondary-bg: #f2e6ec;
  --btn-secondary-hover: #e8d8e2;
  --btn-secondary-active: #decad8;
  --toast-bg: #2e2028;
  --shadow: 0 2px 12px rgba(80, 30, 50, 0.06);
  --shadow-lg: 0 8px 28px rgba(80, 30, 50, 0.10);
}

/* ── Forest Green ── */
[data-theme="forest"] {
  --accent: #4a9e6e;
  --accent-hover: #3d8d5f;
  --accent-active: #327c52;
  --accent-light: #eaf6f0;
  --bg: #f4f8f5;
  --card-bg: #ffffff;
  --text: #1e2e24;
  --text-secondary: #7a9285;
  --bold-color: #327c52;
  --heading-color: #3d8d5f;
  --border: #d6e6dc;
  --code-bg: #ecf4ef;
  --code-color: #2d7a4f;
  --code-block-bg: #1e2b24;
  --code-block-color: #a8d4b8;
  --blockquote-text: #2a4035;
  --btn-secondary-bg: #e2efe8;
  --btn-secondary-hover: #d4e6dc;
  --btn-secondary-active: #c6ddd0;
  --toast-bg: #1e2e24;
  --shadow: 0 2px 12px rgba(20, 60, 40, 0.06);
  --shadow-lg: 0 8px 28px rgba(20, 60, 40, 0.10);
}

/* ── Warm Orange ── */
[data-theme="warm"] {
  --accent: #e07850;
  --accent-hover: #d06a42;
  --accent-active: #c06038;
  --accent-light: #fdf0eb;
  --bg: #faf7f4;
  --card-bg: #ffffff;
  --text: #2c2420;
  --text-secondary: #9a8e85;
  --bold-color: #c05830;
  --heading-color: #d06a42;
  --border: #e8ddd6;
  --code-bg: #f5eeea;
  --code-color: #b05535;
  --code-block-bg: #282c34;
  --code-block-color: #abb2bf;
  --blockquote-text: #4a3f38;
  --btn-secondary-bg: #f0e8e2;
  --btn-secondary-hover: #e6dbd3;
  --btn-secondary-active: #ddd0c7;
  --toast-bg: #3a2e28;
  --shadow: 0 2px 12px rgba(60, 40, 20, 0.06);
  --shadow-lg: 0 8px 28px rgba(60, 40, 20, 0.10);
}

/* ── Lavender Purple ── */
[data-theme="lavender"] {
  --accent: #8b6cc1;
  --accent-hover: #7c5db4;
  --accent-active: #6d4ea6;
  --accent-light: #f3effb;
  --bg: #f7f5fa;
  --card-bg: #ffffff;
  --text: #28233a;
  --text-secondary: #8a849a;
  --bold-color: #6d4ea6;
  --heading-color: #7c5db4;
  --border: #e2dded;
  --code-bg: #f0ecf6;
  --code-color: #7b5aad;
  --code-block-bg: #262035;
  --code-block-color: #bbadd4;
  --blockquote-text: #3a3350;
  --btn-secondary-bg: #eae5f2;
  --btn-secondary-hover: #ddd6ea;
  --btn-secondary-active: #d0c8e2;
  --toast-bg: #28233a;
  --shadow: 0 2px 12px rgba(50, 30, 80, 0.06);
  --shadow-lg: 0 8px 28px rgba(50, 30, 80, 0.10);
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* ── Header ── */
.header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 18px 16px 10px;
}

.header-icon {
  color: var(--accent);
  display: flex;
}

.header-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

/* ── Main ── */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 16px 32px;
}

/* ── Paste Button ── */
.paste-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  max-width: 340px;
  padding: 48px 32px;
  background: var(--card-bg);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: all 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.paste-button:hover,
.paste-button:focus-visible {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.paste-button:active {
  transform: translateY(0);
  box-shadow: var(--shadow);
}

.paste-icon {
  color: var(--accent);
  display: flex;
}

.paste-text {
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--text);
}

.paste-hint {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ── Result ── */
.result {
  width: 100%;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.result.hidden {
  display: none;
}

/* ── Card ── */
.card {
  width: 100%;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.rendered-content {
  padding: 44px 24px;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text);
}

/* ── Rendered Markdown Styles ── */
.rendered-content h1 {
  font-size: 1.55rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
  color: var(--heading-color);
}

.rendered-content h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-top: 24px;
  margin-bottom: 8px;
  color: var(--heading-color);
}

.rendered-content h3 {
  font-size: 1.1rem;
  font-weight: 650;
  margin-top: 20px;
  margin-bottom: 6px;
  color: var(--heading-color);
}

.rendered-content p {
  margin-bottom: 14px;
}

.rendered-content ul,
.rendered-content ol {
  margin-bottom: 14px;
  padding-left: 22px;
}

.rendered-content ul {
  list-style: none;
}

.rendered-content ol {
  list-style: none;
}

.rendered-content ul > li {
  position: relative;
}

.rendered-content ul > li::before {
  content: "•";
  color: var(--accent);
  position: absolute;
  left: -16px;
  font-weight: bold;
}

.rendered-content ol > li {
  position: relative;
}

.rendered-content ol > li::before {
  content: attr(data-num) ".";
  color: var(--accent);
  position: absolute;
  left: -22px;
  font-weight: 600;
}

.rendered-content li {
  margin-bottom: 4px;
}

.rendered-content strong {
  font-weight: 650;
  color: var(--bold-color);
}

.rendered-content a {
  color: var(--accent);
  text-decoration: none;
}

.rendered-content blockquote {
  border-left: 3px solid var(--accent);
  margin: 14px 0;
  padding: 8px 16px;
  background: var(--accent-light);
  border-radius: 0 10px 10px 0;
  color: var(--blockquote-text);
}

.rendered-content blockquote p {
  margin-bottom: 0;
}

.rendered-content hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

/* Inline code */
.rendered-content code {
  font-family: "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace;
  font-size: 0.85em;
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 5px;
  color: var(--code-color);
}

/* Code Blocks — One Dark style via highlight.js */
.rendered-content pre {
  margin: 14px 0;
  border-radius: 10px;
  overflow: hidden;
}

.rendered-content pre code {
  display: block;
  padding: 16px 18px;
  font-size: 0.82rem;
  line-height: 1.6;
  background: var(--code-block-bg);
  color: var(--code-block-color);
  border-radius: 10px;
  /* CRITICAL: wrap long lines instead of scrolling */
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* Tables */
.rendered-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
  font-size: 0.88rem;
}

.rendered-content th,
.rendered-content td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
}

.rendered-content th {
  background: var(--accent-light);
  font-weight: 650;
}

/* Images inside rendered */
.rendered-content img {
  max-width: 100%;
  border-radius: 8px;
  margin: 10px 0;
}

/* ── Action Buttons ── */
.actions {
  display: flex;
  gap: 10px;
  width: 100%;
}

.action-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 13px 16px;
  border: none;
  border-radius: 12px;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.action-btn.primary {
  background: var(--accent);
  color: #fff;
}

.action-btn.primary:hover {
  background: var(--accent-hover);
}

.action-btn.primary:active {
  background: var(--accent-active);
}

.action-btn.secondary {
  background: var(--btn-secondary-bg);
  color: var(--text);
}

.action-btn.secondary:hover {
  background: var(--btn-secondary-hover);
}

.action-btn.secondary:active {
  background: var(--btn-secondary-active);
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--toast-bg);
  color: #fff;
  padding: 12px 22px;
  border-radius: 12px;
  font-size: 0.88rem;
  font-weight: 500;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
  z-index: 100;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Responsive ── */
@media (min-width: 480px) {
  .main {
    padding: 40px 24px 48px;
  }

  .paste-button {
    max-width: 380px;
    padding: 56px 40px;
  }

  .result {
    max-width: 520px;
  }

  .rendered-content {
    padding: 48px 30px;
    font-size: 1rem;
  }
}

/* ── Theme Picker ── */
.theme-picker {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 4px 0 8px;
}

.theme-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2.5px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  -webkit-tap-highlight-color: transparent;
  position: relative;
}

.theme-dot:hover {
  transform: scale(1.15);
}

.theme-dot.active {
  border-color: var(--text);
  box-shadow: 0 0 0 2px var(--bg);
}

.theme-dot[data-t="mono"]     { background: #1a1a1a; }
.theme-dot[data-t="rose"]     { background: #d4688c; }
.theme-dot[data-t="forest"]   { background: #4a9e6e; }
.theme-dot[data-t="warm"]     { background: #e07850; }
.theme-dot[data-t="lavender"] { background: #8b6cc1; }