/* ===== Forge Design System — forge.nocturnefox.com =====
   Dark theme | Power-of-4 spacing | Inter font | No build step */

/* --- Custom Properties --- */
:root {
  --bg: #0c0c0f; --surface: #18181b; --surface-hover: #27272a; --border: #3f3f46;
  --primary: #f97316; --primary-hover: #ea580c; --primary-muted: rgba(249,115,22,0.12);
  --text: #fafafa; --text-muted: #a1a1aa;
  --success: #22c55e; --error: #ef4444; --warning: #eab308;
  --radius-sm: 4px; --radius-md: 8px; --radius-lg: 12px; --radius-xl: 16px;
  --shadow: 0 4px 24px -4px rgba(0,0,0,0.5);
}

/* --- Base --- */
.forge-body {
  background: var(--bg); color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6; -webkit-font-smoothing: antialiased;
}

/* --- Header --- */
.forge-header {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; padding: 0 24px;
  background: var(--surface); border-bottom: 1px solid var(--border);
}
.forge-logo { font-size: 20px; font-weight: 700; color: var(--primary); letter-spacing: -0.02em; }

/* --- Footer --- */
.forge-footer {
  padding: 32px 24px; border-top: 1px solid var(--border);
  color: var(--text-muted); font-size: 14px; text-align: center;
}

/* --- Hero --- */
.forge-hero { text-align: center; padding: 64px 24px 48px; max-width: 640px; margin: 0 auto; }
.forge-hero h1 { font-size: 40px; font-weight: 800; line-height: 1.15; margin: 0 0 16px; }
.forge-hero p { font-size: 18px; color: var(--text-muted); margin: 0; }

/* --- Search --- */
.forge-search { position: relative; max-width: 480px; margin: 0 auto 32px; }
.forge-search input {
  width: 100%; height: 48px; padding: 0 16px 0 44px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  color: var(--text); font-size: 16px; outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.forge-search input::placeholder { color: var(--text-muted); opacity: 0.6; }
.forge-search input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-muted); }
.forge-search svg { position: absolute; left: 16px; top: 14px; color: var(--text-muted); pointer-events: none; }
.forge-search-results {
  position: absolute; top: calc(100% + 4px); left: 0; right: 0; z-index: 50;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md);
  box-shadow: var(--shadow); max-height: 320px; overflow-y: auto;
}

/* --- Tabs --- */
.forge-tabs { display: flex; gap: 8px; overflow-x: auto; padding: 0 24px 24px; scrollbar-width: none; }
.forge-tabs::-webkit-scrollbar { display: none; }
.forge-tab {
  flex-shrink: 0; height: 36px; padding: 0 16px; border-radius: 20px;
  border: 1px solid var(--border); background: transparent;
  color: var(--text-muted); font-size: 14px; cursor: pointer; transition: all 0.15s;
}
.forge-tab:hover { background: var(--surface-hover); color: var(--text); }
.forge-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* --- Grid --- */
.forge-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 0 24px; }
@media (min-width: 640px)  { .forge-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .forge-grid { grid-template-columns: repeat(4, 1fr); } }

/* --- Card --- */
.forge-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px; cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.forge-card:hover {
  transform: translateY(-4px); border-color: var(--primary);
  box-shadow: 0 8px 32px -8px rgba(249,115,22,0.18);
}
.forge-card .icon { font-size: 28px; margin-bottom: 12px; }
.forge-card h3 { font-size: 16px; font-weight: 600; margin: 0 0 8px; }
.forge-card p { font-size: 14px; color: var(--text-muted); margin: 0; }
.forge-card--soon { opacity: 0.5; }

/* --- Badge --- */
.forge-badge {
  display: inline-flex; align-items: center; height: 24px; padding: 0 8px;
  border-radius: 12px; font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.forge-badge--soon    { background: var(--surface-hover); color: var(--text-muted); }
.forge-badge--new     { background: rgba(34,197,94,0.15); color: var(--success); }
.forge-badge--popular { background: var(--primary-muted); color: var(--primary); }

/* --- Upload Zone --- */
.forge-upload {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  height: 240px; border: 2px dashed var(--border); border-radius: var(--radius-lg);
  color: var(--text-muted); font-size: 16px; cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.forge-upload:hover,
.forge-upload--active { border-color: var(--primary); background: var(--primary-muted); }

/* --- Settings Panel --- */
.forge-settings {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
}

/* --- Form Fields --- */
.forge-field { margin-bottom: 16px; }

.forge-label {
  display: block; font-size: 13px; font-weight: 500;
  color: var(--text-muted); margin-bottom: 8px;
}

.forge-input,
.forge-textarea,
.forge-select {
  width: 100%; padding: 10px 12px;
  background: #ffffff; border: 1px solid var(--border); border-radius: var(--radius-md);
  color: #111111; font-size: 14px; font-family: inherit; outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.forge-input:focus,
.forge-textarea:focus,
.forge-select:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-muted);
}
.forge-input::placeholder,
.forge-textarea::placeholder {
  color: #888888;
}
.forge-textarea { resize: vertical; min-height: 72px; }
.forge-select { cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23666666'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px;
  background-color: #ffffff;
}
.forge-select option { background: #ffffff; color: #111111; }

/* Color inputs */
.forge-input[type="color"] {
  padding: 4px; height: 40px; cursor: pointer;
}

/* --- Range Slider --- */
.forge-range {
  width: 100%; height: 6px; appearance: none; -webkit-appearance: none;
  background: var(--border); border-radius: 4px; outline: none; cursor: pointer;
  accent-color: var(--primary);
}
.forge-range::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px;
  background: var(--primary); border-radius: 50%; border: 2px solid var(--bg);
  cursor: pointer;
}
.forge-range::-moz-range-thumb {
  width: 18px; height: 18px;
  background: var(--primary); border-radius: 50%; border: 2px solid var(--bg);
  cursor: pointer;
}

/* --- Layout Helpers --- */
.forge-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.forge-radio-group { display: flex; flex-wrap: wrap; gap: 8px; }
.forge-radio-label {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 12px; border-radius: var(--radius-md);
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); font-size: 13px; cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.forge-radio-label:hover { border-color: var(--text-muted); }
.forge-radio-label:has(input:checked) {
  border-color: var(--primary); background: var(--primary-muted); color: var(--primary);
}
.forge-radio-label input[type="radio"] { accent-color: var(--primary); }

.forge-checkbox-row {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; color: var(--text); cursor: pointer;
}
.forge-checkbox-row input[type="checkbox"] { accent-color: var(--primary); width: 16px; height: 16px; }

/* --- Preset Grid --- */
.forge-preset-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
@media (min-width: 640px) { .forge-preset-grid { grid-template-columns: repeat(3, 1fr); } }
.forge-preset-btn {
  display: flex; align-items: center; justify-content: center;
  padding: 10px 8px; border-radius: var(--radius-md);
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); font-size: 13px; font-weight: 500;
  cursor: pointer; transition: all 0.15s; text-align: center;
}
.forge-preset-btn:hover { border-color: var(--text-muted); background: var(--surface-hover); }
.forge-preset-btn.active,
.forge-preset-btn--active {
  border-color: var(--primary); background: var(--primary-muted); color: var(--primary);
}

/* --- Output Area (Base64, etc.) --- */
.forge-output-area {
  width: 100%; min-height: 120px; padding: 12px;
  background: #ffffff; border: 1px solid var(--border); border-radius: var(--radius-md);
  color: #111111; font-size: 12px; font-family: 'Courier New', monospace;
  resize: vertical; outline: none; word-break: break-all;
}

/* --- Result Stats --- */
.forge-result-stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 12px;
  margin-bottom: 16px;
}
.forge-stat {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 12px; text-align: center;
}
.forge-stat-value { font-size: 18px; font-weight: 700; color: var(--primary); }
.forge-stat-label { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* --- Before / After Preview --- */
.forge-preview-pair { display: flex; flex-direction: column; gap: 16px; margin: 16px 0; }
@media (min-width: 768px) { .forge-preview-pair { flex-direction: row; } }
.forge-preview-card {
  flex: 1; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border); background: var(--surface);
}
.forge-preview-card--after { border-color: var(--success); }
.forge-preview-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px; border-bottom: 1px solid var(--border);
  font-size: 13px; font-weight: 600;
}
.forge-preview-header--before { color: var(--text-muted); }
.forge-preview-header--after  { color: var(--success); background: rgba(34,197,94,0.06); border-color: rgba(34,197,94,0.2); }
.forge-preview-header .dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 8px;
}
.forge-preview-header--before .dot { background: var(--text-muted); }
.forge-preview-header--after  .dot { background: var(--success); }
.forge-preview-header .info { font-weight: 400; font-size: 12px; color: var(--text-muted); font-family: monospace; }
.forge-preview-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 200px; max-height: 500px; padding: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20'%3E%3Crect width='20' height='20' fill='%23111114'/%3E%3Crect width='10' height='10' fill='%23191920'/%3E%3Crect x='10' y='10' width='10' height='10' fill='%23191920'/%3E%3C/svg%3E");
}
.forge-preview-body img,
.forge-preview-body canvas {
  max-width: 100%; max-height: 468px; border-radius: var(--radius-sm);
  object-fit: contain;
}

/* --- Buttons --- */
.forge-btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 24px; border: none; border-radius: var(--radius-md);
  background: var(--primary); color: #fff; font-size: 15px; font-weight: 600;
  cursor: pointer; transition: background 0.15s, opacity 0.15s;
  white-space: nowrap;
}
.forge-btn:hover { background: var(--primary-hover); }
.forge-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.forge-btn-primary { /* alias for .forge-btn — same styling */
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 24px; border: none; border-radius: var(--radius-md);
  background: var(--primary); color: #fff; font-size: 15px; font-weight: 600;
  cursor: pointer; transition: background 0.15s, opacity 0.15s;
  white-space: nowrap;
}
.forge-btn-primary:hover { background: var(--primary-hover); }
.forge-btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }
.forge-btn--secondary,
.forge-btn-secondary {
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 24px; border-radius: var(--radius-md);
  background: var(--surface); border: 1px solid var(--border); color: var(--text);
  font-size: 15px; font-weight: 600; cursor: pointer; transition: all 0.15s;
  white-space: nowrap;
}
.forge-btn--secondary:hover,
.forge-btn-secondary:hover { background: var(--surface-hover); }
.forge-btn--ghost { background: transparent; border: none; color: var(--text); }
.forge-btn--ghost:hover { background: var(--surface-hover); }

/* --- Results --- */
.forge-results { padding: 24px; }
.forge-result-card {
  display: flex; gap: 16px; align-items: center;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 16px; margin-bottom: 12px;
}
.forge-result-card img { width: 80px; height: 80px; object-fit: cover; border-radius: var(--radius-sm); }
.forge-result-card .stats { font-size: 13px; color: var(--text-muted); }
.forge-result-card .savings { color: var(--success); font-weight: 600; }

/* --- Download Bar --- */
.forge-download-bar {
  position: sticky; bottom: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; padding: 0 24px;
  background: var(--surface); border-top: 1px solid var(--border);
  box-shadow: 0 -4px 24px -4px rgba(0,0,0,0.5);
}

/* --- Toast --- */
.forge-toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 60;
  min-width: 280px; padding: 16px 20px; border-radius: var(--radius-md);
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); font-size: 14px; box-shadow: var(--shadow);
  animation: forgeSlideInRight 0.2s ease-out;
}
.forge-toast--success { border-left: 4px solid var(--success); }
.forge-toast--error   { border-left: 4px solid var(--error); }
.forge-toast--info    { border-left: 4px solid var(--primary); }

/* --- Loading / Spinner --- */
.forge-loading {
  position: fixed; inset: 0; z-index: 70;
  display: flex; align-items: center; justify-content: center;
  background: rgba(12,12,15,0.8);
}
.forge-spinner {
  width: 40px; height: 40px;
  border: 4px solid var(--border); border-top-color: var(--primary);
  border-radius: 50%; animation: forgeSpin 0.6s linear infinite;
}

/* --- Ad Placeholders (shared) --- */
.forge-ad-sidebar, .forge-ad-leaderboard, .forge-ad-mobile {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 12px;
}
.forge-ad-sidebar   { width: 300px; min-height: 250px; position: sticky; top: 80px; }
.forge-ad-leaderboard { width: 728px; max-width: 100%; height: 90px; margin: 32px auto 0; }
.forge-ad-mobile    { width: 320px; height: 50px; margin: 24px auto; border-radius: var(--radius-sm); }

/* --- Breadcrumb --- */
.forge-breadcrumb {
  display: flex; gap: 8px; align-items: center;
  padding: 16px 24px; font-size: 14px; color: var(--text-muted);
}
.forge-breadcrumb a { color: var(--primary); text-decoration: none; }
.forge-breadcrumb a:hover { text-decoration: underline; }
.forge-breadcrumb span::before { content: '/'; margin-right: 8px; opacity: 0.4; }

/* --- Tool Hero --- */
.forge-tool-hero { display: flex; align-items: center; gap: 20px; padding: 32px 24px 24px; }
.forge-tool-hero .icon { font-size: 48px; }
.forge-tool-hero h1 { font-size: 28px; font-weight: 700; margin: 0 0 4px; }
.forge-tool-hero p { font-size: 16px; color: var(--text-muted); margin: 0; }

/* --- Related Tools --- */
.forge-related { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 24px; }
@media (min-width: 640px) { .forge-related { grid-template-columns: repeat(3, 1fr); } }

/* --- Trust Section --- */
.forge-trust {
  display: grid; grid-template-columns: 1fr; gap: 24px;
  padding: 48px 24px; text-align: center;
}
@media (min-width: 640px) { .forge-trust { grid-template-columns: repeat(3, 1fr); } }
.forge-trust h3 { font-size: 16px; font-weight: 600; margin: 8px 0 4px; }
.forge-trust p { font-size: 14px; color: var(--text-muted); margin: 0; }

/* --- Recent Tools --- */
.forge-recent { display: flex; gap: 12px; overflow-x: auto; padding: 16px 24px; scrollbar-width: none; }
.forge-recent::-webkit-scrollbar { display: none; }

/* --- Language Toggle --- */
.forge-lang-toggle {
  height: 36px; padding: 0 12px; border-radius: var(--radius-md);
  background: transparent; border: 1px solid var(--border);
  color: var(--text-muted); font-size: 13px; cursor: pointer; transition: all 0.15s;
}
.forge-lang-toggle:hover { background: var(--surface-hover); color: var(--text); }

/* --- Animations --- */
.forge-fade-in { animation: forgeFadeIn 0.2s ease-out both; }
.forge-slide-up { animation: forgeSlideUp 0.2s ease-out both; }

@keyframes forgeFadeIn {
  from { opacity: 0; } to { opacity: 1; }
}
@keyframes forgeSlideUp {
  from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); }
}
@keyframes forgeSlideInRight {
  from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: translateX(0); }
}
@keyframes forgeSpin {
  to { transform: rotate(360deg); }
}