body {
  font-family: "PT Mono", monospace;
  line-height: 1.6;
  background: #ffffff;
  overflow-x: hidden;
  font-size: 16px;
}

.hide {
  display: none;
}

.alltool-heading {
  text-align: center;
}

.primary-button {
  align-items: center;
  appearance: none;
  background-color: #fff;
  border: 1px solid #dbdbdb;
  border-radius: 0.375em;
  box-shadow: none;
  box-sizing: border-box;
  color: #363636;
  cursor: pointer;
  display: inline-flex;
  font-family: BlinkMacSystemFont, -apple-system, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", Helvetica,
    Arial, sans-serif;
  font-size: 1rem;
  height: 2.5em;
  justify-content: center;
  line-height: 1.5;
  padding: calc(0.5em - 1px) 1em;
  position: relative;
  text-align: center;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  vertical-align: top;
  white-space: nowrap;
}

.primary-button:active {
  border-color: #4a4a4a;
  outline: 0;
}

.primary-button:focus {
  border-color: #485fc7;
  outline: 0;
}

.primary-button:hover {
  border-color: #b5b5b5;
}

.primary-button:focus:not(:active) {
  box-shadow: rgba(72, 95, 199, 0.25) 0 0 0 0.125em;
}

.tool-types-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
  font-family: sans-serif;
}

.tool-types-header {
  text-align: center;
  margin-bottom: 2rem;
}

.tool-types-header h2 {
  margin-bottom: 0.5rem;
  font-size: 2rem;
}

.tool-types-header p {
  color: #666;
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto 1rem;
}

.tool-types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.tool-types-card {
  text-align: center;
  padding: 1.5rem;
  border-radius: 8px;
  transition: transform 0.3s ease;
  background-color: #f9f9f9;
}

.tool-types-card:hover {
  transform: translateY(-5px);
}

.icon-tool-types img {
  width: 60px;
  height: auto;
  margin-bottom: 1rem;
}

.tool-types-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
  color: #000;
}

.tool-types-card p {
  font-size: 0.95rem;
  color: #555;
}

/* ==========================
   Base Styles for All Cards
========================== */
.tool-card {
  padding: 1.25rem 1.5rem;
  border-radius: 6px;
  background: #fff;
  box-sizing: border-box;
  user-select: none;
  transition: box-shadow 0.2s ease;
  color: #000;
  border: 1.5px solid #000;
  display: flex;
  flex-direction: column;
}

.tool-card:hover {
  box-shadow: 0 0 10px #0002;
}

.tool-card h2 {
  margin-top: 0;
  font-weight: 700;
  font-size: 1.25rem;
  color: #000;
}

/* ==========================
   Unit Converters
========================== */
.unit-converters {
  padding: 1.5rem;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #fff;
  margin: 0 auto;
  box-sizing: border-box;
  color: #000;
}

.unit-converters > .back-button {
  align-self: flex-start;
  padding: 0.5rem 1rem;
  margin-bottom: 1rem;
  background: none;
  border: 2px solid #000;
  color: #000;
  font-weight: 600;
  cursor: pointer;
  border-radius: 5px;
  transition: background 0.2s ease, color 0.2s ease;
}

.unit-converters > .back-button:hover {
  background: #000;
  color: #fff;
}

.unit-converters > span {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  user-select: none;
  color: #000;
}

.unit-converters .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
}

.unit-converters .converter-card {
  border: 1.5px solid #000;
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  user-select: none;
  transition: box-shadow 0.2s ease;
}

.unit-converters .converter-card-header {
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: #000;
}

.unit-converters .converter-card-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.unit-converters .converter-form-group label {
  font-weight: 600;
  margin-bottom: 0.25rem;
  display: block;
  color: #000;
}

.unit-converters .converter-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.unit-converters .converter-row input,
.unit-converters .converter-row select {
  flex: 1;
  padding: 0.5rem;
  font-size: 1rem;
  border: 1px solid #000;
  border-radius: 6px;
  background: #fff;
  width: 100%;
  color: #000;
}

.unit-converters .converter-row input:focus,
.unit-converters .converter-row select:focus {
  outline: none;
  border-color: #000;
  background: #fff;
}

.unit-converters .converter-card button {
  background: none;
  border: 1.5px solid #000;
  padding: 0.5rem 1rem;
  font-weight: 600;
  color: #000;
  cursor: pointer;
  border-radius: 5px;
  margin-right: 0.75rem;
  margin-bottom: 0.75rem;
  transition: background 0.2s ease, color 0.2s ease;
  align-self: flex-start;
}

.unit-converters .converter-card button:hover {
  background: #000;
  color: #fff;
}

/* ==========================
   Clock and Timers
========================== */
.clock-and-timers {
  padding: 1.5rem;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #fff;
  margin: 0 auto;
  box-sizing: border-box;
  color: #000;
}

.clock-and-timers > .back-button {
  align-self: flex-start;
  padding: 0.5rem 1rem;
  margin-bottom: 1rem;
  background: none;
  border: 2px solid #000;
  color: #000;
  font-weight: 600;
  cursor: pointer;
  border-radius: 5px;
  transition: background 0.2s ease, color 0.2s ease;
}

.clock-and-timers > .back-button:hover {
  background: #000;
  color: #fff;
}

.clock-and-timers > span {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  user-select: none;
  color: #000;
}

.clock-and-timers .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
}

.clock-and-timers .tool-card {
  border: 1.5px solid #000;
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  user-select: none;
  transition: box-shadow 0.2s ease;
}

.clock-and-timers .tool-card button {
  background: none;
  border: 1.5px solid #000;
  padding: 0.5rem 1rem;
  font-weight: 600;
  color: #000;
  cursor: pointer;
  border-radius: 5px;
  margin: 0.25rem 0.75rem 0.75rem 0;
  transition: background 0.2s ease, color 0.2s ease;
  align-self: flex-start;
}

.clock-and-timers .tool-card button:hover {
  background: #000;
  color: #fff;
}

.clock-and-timers .time-display {
  font-size: 1.5rem;
  font-weight: bold;
  margin: 0.5rem 0;
  font-family: monospace, monospace;
}

/* ==========================
   File Format Converters (No change)
========================== */
.file-format-converters {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #fff;
  margin: 0 auto;
  box-sizing: border-box;
  color: #000;
}

.file-format-converters.hide {
  display: none;
}

.file-format-converters > .back-button {
  align-self: flex-start;
  padding: 0.5rem 1rem;
  margin-bottom: 1rem;
  background: none;
  border: 2px solid #000;
  color: #000;
  font-weight: 600;
  cursor: pointer;
  border-radius: 5px;
  transition: background 0.2s ease, color 0.2s ease;
}

.file-format-converters > .back-button:hover {
  background: #000;
  color: #fff;
}

.file-format-converters > span {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  user-select: none;
  color: #000;
}

.file-format-converters .container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.file-format-converters .tool-card {
  border: 1.5px solid #000;
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  user-select: none;
  transition: box-shadow 0.2s ease;
}

.file-format-converters .tool-card:hover {
  box-shadow: 0 0 10px #0002;
}

.file-format-converters .tool-card textarea {
  width: 100%;
  resize: vertical;
  padding: 0.5rem;
  font-family: monospace, monospace;
  font-size: 0.9rem;
  border: 1px solid #000;
  border-radius: 4px;
  margin-bottom: 1rem;
  color: #000;
  background: #fff;
  box-sizing: border-box;
}

.file-format-converters .tool-card input[type="file"] {
  margin-bottom: 1rem;
  cursor: pointer;
}

.file-format-converters .tool-card button {
  background: none;
  border: 1.5px solid #000;
  padding: 0.5rem 1rem;
  font-weight: 600;
  color: #000;
  cursor: pointer;
  border-radius: 5px;
  margin-right: 0.75rem;
  margin-bottom: 0.75rem;
  transition: background 0.2s ease, color 0.2s ease;
  align-self: flex-start;
}

.file-format-converters .tool-card button:hover {
  background: #000;
  color: #fff;
}

.file-format-converters .tool-card img {
  max-width: 100%;
  margin-top: 0.75rem;
  border-radius: 4px;
  border: 1px solid #000;
  box-sizing: border-box;
}

.file-format-converters .tool-card a {
  margin-top: 0.75rem;
  font-weight: 600;
  color: #000;
  text-decoration: none;
  user-select: text;
}

.file-format-converters .tool-card a:hover {
  text-decoration: underline;
}