:root {
  --bg: #f8f9fa;
  --surface: #ffffff;
  --surface-subtle: #f1f3f4;
  --border: #dadce0;
  --border-subtle: #e8eaed;
  --text: #202124;
  --muted: #5f6368;
  --g-blue: #1a73e8;
  --g-blue-hover: #1557b0;
  --g-blue-tint: #e8f0fe;
  --g-red: #d93025;
  --g-red-tint: #fce8e6;
  --g-yellow: #f9ab00;
  --g-yellow-tint: #fef7e0;
  --g-green: #1e8e3e;
  --g-green-tint: #e6f4ea;
  --shadow: 0 1px 2px rgba(60, 64, 67, 0.08), 0 4px 16px rgba(60, 64, 67, 0.05);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Google Sans", "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 740px;
  margin: 3rem auto;
  padding: 0 1.25rem;
}

.header {
  margin-bottom: 1.4rem;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.google-dots {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

.dot-blue {
  background: #4285f4;
}

.dot-red {
  background: #ea4335;
}

.dot-yellow {
  background: #fbbc05;
}

.dot-green {
  background: #34a853;
}

.header h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text);
}

.subtitle {
  margin: 0.25rem 0 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.5rem;
  margin-bottom: 1.15rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    #4285f4 0%,
    #4285f4 25%,
    #ea4335 25%,
    #ea4335 50%,
    #fbbc05 50%,
    #fbbc05 75%,
    #34a853 75%,
    #34a853 100%
  );
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.control-select,
.control-input {
  height: 36px;
  background: var(--surface-subtle);
  color: var(--text);
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 0.85rem;
  font-size: 0.85rem;
  font-family: inherit;
  transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.control-select {
  cursor: pointer;
  font-weight: 500;
}

.control-input {
  flex: 1 1 140px;
  min-width: 130px;
}

.control-select:focus,
.control-input:focus,
textarea:focus {
  outline: none;
  background: var(--surface);
  border-color: var(--g-blue);
  box-shadow: 0 0 0 3px var(--g-blue-tint);
}

.segmented {
  display: inline-flex;
  align-items: center;
  background: var(--surface-subtle);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}

.seg-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.32rem 0.78rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.seg-btn:hover {
  color: var(--text);
}

.seg-btn.active {
  background: var(--surface);
  color: var(--g-blue);
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(60, 64, 67, 0.14);
}

.seg-btn.active[data-sensitivity="lenient"] {
  color: var(--g-green);
}

.seg-btn.active[data-sensitivity="strict"] {
  color: var(--g-red);
}

.field {
  margin-bottom: 0.95rem;
}

textarea {
  width: 100%;
  background: var(--surface-subtle);
  color: var(--text);
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 0.8rem 0.95rem;
  font-size: 0.95rem;
  font-family: inherit;
  resize: vertical;
  transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.55rem;
}

.btn-chip {
  background: var(--surface);
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-chip:hover {
  color: var(--g-blue);
  border-color: var(--g-blue);
  background: var(--g-blue-tint);
}

.file-field-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.file-input {
  flex: 1 1 auto;
  min-width: 0;
  width: 100%;
  background: var(--surface-subtle);
  color: var(--muted);
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 0.55rem 0.75rem;
  font-size: 0.86rem;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.btn-clear-image {
  flex: 0 0 auto;
  background: var(--surface);
  color: var(--g-red);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.48rem 0.9rem;
  font-size: 0.82rem;
  font-weight: 500;
  font-family: inherit;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-clear-image:hover {
  background: var(--g-red-tint);
  border-color: var(--g-red);
}

.file-input:hover {
  border-color: var(--g-blue);
}

.file-input::file-selector-button {
  background: var(--surface);
  color: var(--g-blue);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.85rem;
  margin-right: 0.75rem;
  font-size: 0.82rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.file-input::file-selector-button:hover {
  background: var(--g-blue-tint);
  border-color: var(--g-blue);
}

.footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.35rem;
}

.toggle-label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.86rem;
  cursor: pointer;
  user-select: none;
}

.toggle-label input[type="checkbox"] {
  accent-color: var(--g-blue);
  width: 15px;
  height: 15px;
  cursor: pointer;
}

.btn-primary {
  background: var(--g-blue);
  color: #ffffff;
  border: none;
  border-radius: 999px;
  padding: 0.58rem 1.45rem;
  font-size: 0.92rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(26, 115, 232, 0.25);
  transition: background-color 0.15s ease, box-shadow 0.15s ease, transform 0.08s ease;
}

.btn-primary:hover:not(:disabled) {
  background: var(--g-blue-hover);
  box-shadow: 0 2px 6px rgba(26, 115, 232, 0.35);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(1px);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 0.85rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.78rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.82rem;
  background: var(--surface-subtle);
  color: var(--muted);
  border: 1px solid transparent;
}

.badge-safe {
  background: var(--g-green-tint);
  color: var(--g-green);
}

.badge-danger {
  background: var(--g-red-tint);
  color: var(--g-red);
}

.badge-info {
  background: var(--g-blue-tint);
  color: var(--g-blue);
}

.code-block {
  background: var(--surface-subtle);
  color: var(--text);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 0.95rem 1.1rem;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.85rem;
  margin: 0;
}

.hidden {
  display: none !important;
}