/* ── Upside Down Text Generator Styles ───────────────────────────── */
/* Supplements /style.css — tool-specific component styles only.      */
/* Design tokens (--bg-base, --bg-white, --text-primary, etc.) are    */
/* inherited from /style.css which loads first. Mirrors the zalgo      */
/* control/output pattern for visual consistency across tools.        */

:root {
  --ud-accent-dim: rgba(139, 92, 246, 0.15);
  --ud-accent-glow: rgba(139, 92, 246, 0.3);
  --ud-border-active: #6d4fc7;
  --ud-surface2: rgba(0, 0, 0, 0.06);
  --ud-green: #4ade80;
}

/* ── Layout ─────────────────────────────────────────── */
.app {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.ud-page-header {
  text-align: center;
  margin-bottom: 36px;
}

.ud-page-header h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.ud-page-header p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
  max-width: 540px;
  margin: 0 auto;
}

/* ── Input ──────────────────────────────────────────── */
.input-section { margin-bottom: 24px; }

.input-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: block;
}

.text-input {
  width: 100%;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 16px;
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 16px;
  color: var(--text-primary);
  resize: vertical;
  min-height: 72px;
  transition: border-color 0.2s;
  outline: none;
}

.text-input:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px var(--ud-accent-dim);
}

.text-input::placeholder { color: var(--text-muted); }

.char-counter {
  text-align: right;
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 4px;
  font-family: 'JetBrains Mono', 'Courier New', monospace;
}

/* ── Controls ───────────────────────────────────────── */
.controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

@media (max-width: 600px) {
  .controls { grid-template-columns: 1fr; }
}

.control-group {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 16px;
}

.control-group.full-width { grid-column: 1 / -1; }

.control-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.control-label .icon { font-size: 13px; opacity: 0.7; }

.mode-desc {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* ── Pills ──────────────────────────────────────────── */
.pill-group { display: flex; flex-wrap: wrap; gap: 6px; }

.pill {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border-light);
  background: transparent;
  color: var(--text-secondary);
  transition: all 0.15s ease;
  user-select: none;
}

.pill:hover { border-color: var(--ud-border-active); color: var(--text-primary); }

.pill.active {
  background: var(--ud-accent-dim);
  border-color: var(--accent-purple);
  color: var(--accent-purple);
}

/* ── Output ─────────────────────────────────────────── */
.output-section {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  overflow: hidden;
}

.output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-white);
}

.output-header-left { display: flex; align-items: center; gap: 10px; }

.output-badge {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--ud-green);
}

.output-chars {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 11px;
  color: var(--text-secondary);
}

.btn {
  padding: 7px 18px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
}

.btn-copy { background: var(--accent-purple); color: #fff; }

.btn-copy:hover {
  opacity: 0.88;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--ud-accent-glow);
}

.btn-copy.copied { background: var(--ud-green); }

.btn-copy:disabled {
  opacity: 0.4;
  cursor: default;
  transform: none;
  box-shadow: none;
}

.output-body {
  padding: 28px 22px;
  min-height: 96px;
  font-size: 24px;
  line-height: 1.9;
  word-break: break-word;
  overflow-wrap: break-word;
  font-family: system-ui, -apple-system, sans-serif;
  white-space: pre-wrap;
  color: var(--text-primary);
}

.output-placeholder {
  color: var(--text-muted);
  font-size: 15px;
  font-style: italic;
}

.coverage-note {
  padding: 10px 18px 14px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-secondary);
  border-top: 1px dashed var(--border-light);
  font-family: system-ui, -apple-system, sans-serif;
}

/* ── Tooltip ────────────────────────────────────────── */
.tooltip-trigger {
  position: relative;
  cursor: help;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--ud-surface2);
  border: 1px solid var(--border-light);
  font-size: 9px;
  font-weight: 700;
  color: var(--text-secondary);
}

.tooltip-trigger:hover .tooltip-text {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.tooltip-text {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-size: 11px;
  font-weight: 400;
  padding: 8px 12px;
  border-radius: 8px;
  width: max-content;
  max-width: 220px;
  white-space: normal;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
  z-index: 10;
  letter-spacing: 0;
  text-transform: none;
  pointer-events: none;
  box-shadow: var(--shadow-soft);
}

/* ── Editorial ──────────────────────────────────────── */
.editorial-section { margin-top: 32px; }
.editorial-section:first-of-type { margin-top: 48px; }

.editorial-section h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.editorial-section h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 18px 0 8px;
  color: var(--text-primary);
}

.editorial-section p,
.editorial-section li {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.editorial-section .example {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 18px;
  color: var(--text-primary);
}