:root {
  --bg-color: #ffffff;
  --text-color: #222;
  --container-bg: #f9f9f9;
  --container-shadow: rgba(0,0,0,0.05);
  --input-border: #ccc;
  --dork-bg: #fff;
  --dork-border: #ccc;
  --dork-hover: #f0f0f0;
  --tooltip-bg: #333;
  --tooltip-text: white;
  --btn-primary: #007acc;
  --btn-primary-hover: #005fa3;
  --link-color: #0066cc;
  --link-visited: #551a8b;
}

[data-theme="dark"] {
  --bg-color: #1a1a1a;
  --text-color: #e0e0e0;
  --container-bg: #2d2d2d;
  --container-shadow: rgba(0,0,0,0.3);
  --input-border: #555;
  --dork-bg: #3d3d3d;
  --dork-border: #555;
  --dork-hover: #4d4d4d;
  --tooltip-bg: #555;
  --tooltip-text: #e0e0e0;
  --btn-primary: #0088cc;
  --btn-primary-hover: #0077bb;
  --link-color: #4da6ff;
  --link-visited: #b19cd9;
}

body {
  font-family: sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
  max-width: 800px;
  margin: 2em auto;
  padding: 1.5em;
  background: var(--container-bg);
  border-radius: 8px;
  box-shadow: 0 0 10px var(--container-shadow);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}

h1 {
  font-size: 1.8em;
  margin-bottom: 0.5em;
}

.results-counter {
  font-size: 0.6em;
  color: var(--btn-primary);
  font-weight: normal;
  margin-left: 0.5em;
}

.input-section {
  margin-bottom: 1.5em;
}

input[type="text"] {
  width: 70%;
  padding: 0.6em;
  font-size: 1em;
  border: 1px solid var(--input-border);
  border-radius: 4px;
  background: var(--dork-bg);
  color: var(--text-color);
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

button {
  padding: 0.6em 1em;
  margin-left: 0.5em;
  font-size: 1em;
  background-color: var(--btn-primary);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: var(--btn-primary-hover);
}

.dork-entry {
  margin-bottom: 1em;
  padding: 0.8em;
  background: var(--dork-bg);
  border-left: 4px solid var(--dork-border);
  border-radius: 4px;
  transition: background 0.3s ease;
  position: relative;
}

.dork-entry:hover {
  background: var(--dork-hover);
}

.risk {
  display: inline-block;
  padding: 2px 6px;
  margin-left: 10px;
  border-radius: 4px;
  font-weight: bold;
  color: white;
  font-size: 0.9em;
}

.risk.high {
  background-color: #d9534f;
}

.risk.medium {
  background-color: #f0ad4e;
}

.risk.low {
  background-color: #5bc0de;
}

/* カスタムツールチップ（行全体に対して） */
.dork-entry[data-tooltip] {
  cursor: help;
}

.dork-entry[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  top: 110%;
  left: 10px;
  background: var(--tooltip-bg);
  color: var(--tooltip-text);
  padding: 6px 10px;
  border-radius: 4px;
  white-space: nowrap;
  font-size: 0.85em;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease-in-out;
  z-index: 10;
}

.dork-entry[data-tooltip]:hover::after {
  opacity: 1;
}

select {
  padding: 0.4em;
  margin: 0 0.5em;
  border: 1px solid var(--input-border);
  border-radius: 4px;
  background: var(--dork-bg);
  color: var(--text-color);
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

.header-buttons {
  position: absolute;
  top: 1.5em;
  right: 1.5em;
  display: flex;
  gap: 0.5em;
}

.help-button,
.lang-toggle,
.theme-toggle {
  background: var(--btn-primary);
  color: white;
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 0.8em;
  cursor: pointer;
  transition: background-color 0.3s ease;
  box-shadow: 0 2px 8px var(--container-shadow);
  display: flex;
  align-items: center;
  justify-content: center;
}

.help-button,
.theme-toggle {
  font-size: 1em;
}

.help-button:hover,
.lang-toggle:hover,
.theme-toggle:hover {
  background: var(--btn-primary-hover);
}

/* モーダル */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
  background-color: var(--container-bg);
  margin: 5% auto;
  border-radius: 8px;
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  box-shadow: 0 4px 20px var(--container-shadow);
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5em;
  border-bottom: 1px solid var(--input-border);
}

.modal-header h2 {
  margin: 0;
  color: var(--text-color);
}

.close-button {
  background: none;
  border: none;
  font-size: 2em;
  color: var(--text-color);
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-button:hover {
  color: var(--btn-primary);
}

.modal-body {
  padding: 1.5em;
  overflow-y: auto;
  flex: 1;
  color: var(--text-color);
}

.modal-body h3 {
  color: var(--btn-primary);
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

.modal-body h3:first-child {
  margin-top: 0;
}

.modal-body ul,
.modal-body ol {
  padding-left: 1.5em;
}

.modal-body li {
  margin-bottom: 0.5em;
}

.modal-body strong {
  color: var(--text-color);
}

/* リンクのスタイリング */
.dork-entry a {
  color: var(--link-color);
  text-decoration: none;
}

.dork-entry a:visited {
  color: var(--link-visited);
}

.dork-entry a:hover {
  text-decoration: underline;
}

/* フッター */
.footer {
  margin-top: 2em;
  padding-top: 1em;
  border-top: 1px solid var(--input-border);
  text-align: center;
}

.footer p {
  margin: 0;
  font-size: 0.9em;
  color: var(--text-color);
}

.footer a {
  color: var(--link-color);
  text-decoration: none;
}

.footer a:visited {
  color: var(--link-visited);
}

.footer a:hover {
  text-decoration: underline;
}