/**
 * Free Tools Shared Styles
 * Common styles for all InfoWeb free tools
 *
 * Plain CSS only (no Tailwind @apply): tools use the Tailwind CDN, which does
 * not compile this file.
 */

/* ─── Base Variables ─────────────────────────────────────────────────────────── */
:root {
  --color-ink: #020617;
  --color-signal: #d7b46a;
  --color-slate-950: #020617;
  --color-slate-900: #0f172a;
  --color-slate-800: #1e293b;
  --color-slate-700: #334155;
  --color-slate-600: #475569;
  --color-slate-500: #64748b;
  --color-slate-400: #94a3b8;
  --color-slate-300: #cbd5e1;
  --color-green-400: #4ade80;
  --color-green-500: #22c55e;
  --color-green-600: #16a34a;
  --color-red-400: #f87171;
  --color-red-500: #ef4444;
}

/* ─── Utility Classes ────────────────────────────────────────────────────────── */
.show-flex {
  display: flex !important;
}

.hidden {
  display: none !important;
}

/* ─── Form Elements ──────────────────────────────────────────────────────────── */
.input-field {
  width: 100%;
  box-sizing: border-box;
  background-color: var(--color-slate-800);
  border: 1px solid var(--color-slate-700);
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  color: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.input-field::placeholder {
  color: var(--color-slate-500);
}

.input-field:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--color-green-500);
}

.input-error {
  box-shadow: 0 0 0 2px var(--color-red-500);
  border-color: var(--color-red-500);
}

.btn-primary {
  width: 100%;
  box-sizing: border-box;
  background-color: var(--color-green-600);
  color: #fff;
  font-weight: 700;
  border-radius: 0.75rem;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  line-height: 1.5;
  border: none;
  cursor: pointer;
  transition: background-color 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary:hover {
  background-color: var(--color-green-500);
}

.btn-primary:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--color-green-400);
}

.btn-secondary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.25;
  border: 1px solid var(--color-slate-600);
  border-radius: 0.5rem;
  padding: 0.5rem 1rem;
  color: var(--color-slate-300);
  background: transparent;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.btn-secondary:hover {
  border-color: var(--color-green-500);
  color: var(--color-green-400);
}

/* ─── Color Input Styling ────────────────────────────────────────────────────── */
input[type="color"] {
  -webkit-appearance: none;
  appearance: none;
  border: none;
  cursor: pointer;
  padding: 0;
  overflow: hidden;
}

input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

input[type="color"]::-webkit-color-swatch {
  border: none;
  border-radius: 0.5rem;
}

/* ─── File Upload ────────────────────────────────────────────────────────────── */
.file-upload-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  box-sizing: border-box;
  background-color: var(--color-slate-800);
  border: 2px dashed var(--color-slate-600);
  border-radius: 0.75rem;
  padding: 2rem 1rem;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.file-upload-label:hover {
  border-color: var(--color-green-500);
  background-color: rgba(30, 41, 59, 0.8);
}

/* ─── Tool Card ─────────────────────────────────────────────────────────────── */
.tool-card {
  display: block;
  border-radius: 0.75rem;
  border: 1px solid var(--color-slate-800);
  background-color: rgba(15, 23, 42, 0.5);
  padding: 1.25rem;
  transition: border-color 0.15s ease;
}

.tool-card:hover {
  border-color: var(--color-slate-600);
}

/* ─── Result Box ─────────────────────────────────────────────────────────────── */
.result-box {
  background-color: var(--color-slate-900);
  border: 1px solid var(--color-slate-700);
  border-radius: 1rem;
  padding: 1.25rem;
}

/* ─── FAQ Accordion ──────────────────────────────────────────────────────────── */
.faq-item {
  background-color: var(--color-slate-900);
  border: 1px solid var(--color-slate-800);
  border-radius: 0.75rem;
  padding: 1rem;
}

.faq-item summary {
  font-weight: 600;
  color: #fff;
  cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  float: right;
  font-size: 1.2em;
  color: var(--color-slate-400);
}

.faq-item[open] summary::after {
  content: '−';
}

/* ─── Preview Overlay ────────────────────────────────────────────────────────── */
.preview-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.preview-overlay span {
  font-size: 1.5rem;
  font-weight: 900;
  color: rgba(239, 68, 68, 0.3);
  transform: rotate(-15deg);
  border: 4px solid rgba(239, 68, 68, 0.3);
  padding: 0.5rem 1rem;
  border-radius: 0.25rem;
}

/* ─── Loading Spinner ────────────────────────────────────────────────────────── */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.spinner {
  animation: spin 1s linear infinite;
  height: 2rem;
  width: 2rem;
  margin-bottom: 0.75rem;
  color: var(--color-green-500);
}

/* ─── Animation ──────────────────────────────────────────────────────────────── */
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .tool-container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  body {
    overflow-x: hidden;
  }

  a,
  button,
  input[type="submit"],
  input[type="button"],
  label[for] {
    min-height: 44px;
  }

  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="number"],
  textarea,
  select {
    font-size: 16px;
  }
}