/* ═══════════════════════════════════════════════════════════════════
   text-sorter.css - Text Sorter Tool | Scoped under #srt-root
   Theme: Light / Emerald-Green Glassy accent - Premium SaaS
   All rules use #srt-root prefix - zero bleed to any other tool
═══════════════════════════════════════════════════════════════════ */

/* ── Google Font Import ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;0,9..40,800;1,9..40,400&display=swap');

/* ── Design Tokens ─────────────────────────────────────────────── */
#srt-root {
  /* Core surfaces */
  --srt-bg:            #f0fdf6;
  --srt-surface:       #ffffff;
  --srt-surface2:      #f0fdf6;
  --srt-surface3:      #dcfce7;
  --srt-glass:         rgba(255,255,255,0.72);
  --srt-glass2:        rgba(240,253,246,0.85);

  /* Borders */
  --srt-border:        #bbf7d0;
  --srt-border2:       #86efac;

  /* Accent - Emerald */
  --srt-accent:        #059669;
  --srt-accent-mid:    #10b981;
  --srt-accent-bright: #34d399;
  --srt-accent-dim:    rgba(5,150,105,0.09);
  --srt-accent-glow:   rgba(16,185,129,0.22);
  --srt-accent-ring:   rgba(5,150,105,0.28);

  /* Status */
  --srt-ok:            #15803d;
  --srt-ok-dim:        rgba(21,128,61,0.11);
  --srt-warn:          #d97706;
  --srt-warn-dim:      rgba(217,119,6,0.10);
  --srt-red:           #dc2626;
  --srt-red-dim:       rgba(220,38,38,0.09);

  /* Text */
  --srt-text:          #052e16;
  --srt-text2:         #166534;
  --srt-text3:         #4b7a5f;
  --srt-muted:         #86a896;

  /* Typography */
  --srt-sans:          'DM Sans', system-ui, -apple-system, sans-serif;
  --srt-mono:          'JetBrains Mono','Fira Code',ui-monospace,monospace;

  /* Shape */
  --srt-radius:        16px;
  --srt-radius-sm:     10px;
  --srt-radius-xs:     6px;

  /* Shadows - green-tinted */
  --srt-shadow-sm:     0 1px 4px rgba(5,150,105,.08), 0 1px 2px rgba(0,0,0,.04);
  --srt-shadow:        0 4px 20px rgba(5,150,105,.10), 0 1px 4px rgba(0,0,0,.04);
  --srt-shadow-lg:     0 16px 48px rgba(5,150,105,.13), 0 2px 8px rgba(0,0,0,.05);
  --srt-shadow-glass:  0 8px 32px rgba(5,150,105,.12), inset 0 1px 0 rgba(255,255,255,.8);

  /* Motion */
  --srt-ease:          cubic-bezier(.25,.46,.45,.94);
  --srt-t:             150ms;

  font-family: var(--srt-sans);
  color: var(--srt-text);
  background: var(--srt-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px 110px;
}

#srt-root *, #srt-root *::before, #srt-root *::after { box-sizing: border-box; }
#srt-root button   { cursor: pointer; font-family: var(--srt-sans); }
#srt-root textarea,
#srt-root input,
#srt-root select   { font-family: var(--srt-sans); }

/* ════════════════════ HERO ════════════════════════════════════ */
#srt-root .srt-hero {
  text-align: center;
  padding: 52px 20px 40px;
  position: relative;
}

/* Decorative blobs behind hero */
#srt-root .srt-hero::before {
  content: '';
  position: absolute;
  top: 20px; left: 50%;
  transform: translateX(-50%);
  width: 520px; height: 220px;
  background: radial-gradient(ellipse at center, rgba(52,211,153,.18) 0%, transparent 70%);
  pointer-events: none;
  border-radius: 50%;
}

#srt-root .srt-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 18px;
  border-radius: 99px;
  background: var(--srt-glass);
  border: 1px solid var(--srt-border2);
  color: var(--srt-accent);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--srt-shadow-sm);
}
#srt-root .srt-hero-badge svg { width:13px; height:13px; flex-shrink:0; }

#srt-root .srt-hero h1 {
  font-size: clamp(2.1rem, 5.5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--srt-text);
  letter-spacing: -.025em;
  margin: 0 0 16px;
}
#srt-root .srt-hero h1 span {
  background: linear-gradient(135deg, var(--srt-accent) 0%, var(--srt-accent-bright) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
#srt-root .srt-hero p {
  font-size: 1.0625rem;
  color: var(--srt-text3);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ════════════════════ MAIN LAYOUT ═════════════════════════════ */
#srt-root .srt-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 20px;
  align-items: start;
}
@media (max-width: 880px) {
  #srt-root .srt-layout { grid-template-columns: 1fr; }
}

/* ════════════════════ GLASS CARDS ═════════════════════════════ */
#srt-root .srt-card {
  background: var(--srt-glass);
  border: 1.5px solid var(--srt-border);
  border-radius: var(--srt-radius);
  box-shadow: var(--srt-shadow-glass);
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin-bottom: 18px;
}
#srt-root .srt-card:last-child { margin-bottom: 0; }

#srt-root .srt-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 13px 18px;
  border-bottom: 1.5px solid var(--srt-border);
  background: linear-gradient(to bottom, rgba(240,253,246,.9), rgba(255,255,255,.7));
  flex-wrap: wrap;
}
#srt-root .srt-card-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--srt-text);
  letter-spacing: -.01em;
}
#srt-root .srt-card-title svg {
  width: 15px; height: 15px;
  color: var(--srt-accent);
  flex-shrink: 0;
}
#srt-root .srt-card-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

/* ════════════════════ BUTTONS ═════════════════════════════════ */
#srt-root .srt-btn {
  display: inline-flex !important;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border-radius: var(--srt-radius-sm);
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  flex-shrink: 0;
  border: 1.5px solid transparent;
  transition: all var(--srt-t) var(--srt-ease);
  text-decoration: none;
}
#srt-root .srt-btn svg { width: 14px; height: 14px; flex-shrink: 0; }

/* Primary - green gradient */
#srt-root .srt-btn-primary {
  background: linear-gradient(135deg, var(--srt-accent), var(--srt-accent-mid));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 10px var(--srt-accent-glow), inset 0 1px 0 rgba(255,255,255,.15);
}
#srt-root .srt-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px var(--srt-accent-glow);
  filter: brightness(1.06);
}
#srt-root .srt-btn-primary:active { transform: translateY(0); filter: brightness(.96); }

/* Outline */
#srt-root .srt-btn-outline {
  background: var(--srt-glass);
  color: var(--srt-text2);
  border-color: var(--srt-border2);
  backdrop-filter: blur(6px);
}
#srt-root .srt-btn-outline:hover {
  border-color: var(--srt-accent);
  color: var(--srt-accent);
  background: var(--srt-accent-dim);
}

/* Ghost */
#srt-root .srt-btn-ghost {
  background: transparent;
  color: var(--srt-text3);
  border-color: transparent;
}
#srt-root .srt-btn-ghost:hover {
  background: var(--srt-surface3);
  color: var(--srt-text2);
}

/* Danger ghost */
#srt-root .srt-btn-danger {
  background: var(--srt-red-dim);
  color: var(--srt-red);
  border-color: rgba(220,38,38,.18);
}
#srt-root .srt-btn-danger:hover { background: rgba(220,38,38,.15); }

/* Large CTA */
#srt-root .srt-btn-lg {
  padding: 13px 24px;
  font-size: 14.5px;
  border-radius: var(--srt-radius-sm);
  width: 100%;
  justify-content: center;
}

/* ════════════════════ SORT TYPE GRID ══════════════════════════ */
#srt-root .srt-sort-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 14px;
}
#srt-root .srt-sort-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 10px 12px;
  border-radius: var(--srt-radius-sm);
  background: var(--srt-surface);
  border: 1.5px solid var(--srt-border);
  cursor: pointer;
  transition: all var(--srt-t) var(--srt-ease);
  text-align: left;
}
#srt-root .srt-sort-btn:hover {
  border-color: var(--srt-accent-mid);
  background: var(--srt-surface2);
  box-shadow: var(--srt-shadow-sm);
}
#srt-root .srt-sort-btn.active {
  border-color: var(--srt-accent);
  background: linear-gradient(135deg, var(--srt-accent-dim), rgba(52,211,153,.06));
  box-shadow: 0 0 0 3px var(--srt-accent-ring);
}
#srt-root .srt-sort-btn-icon {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--srt-surface3);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--srt-t) var(--srt-ease);
}
#srt-root .srt-sort-btn.active .srt-sort-btn-icon {
  background: linear-gradient(135deg, var(--srt-accent), var(--srt-accent-mid));
}
#srt-root .srt-sort-btn-icon svg {
  width: 14px; height: 14px;
  color: var(--srt-accent);
  transition: color var(--srt-t) var(--srt-ease);
}
#srt-root .srt-sort-btn.active .srt-sort-btn-icon svg { color: #fff; }
#srt-root .srt-sort-btn-label {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--srt-text);
  line-height: 1.2;
}
#srt-root .srt-sort-btn-sub {
  font-size: 10.5px;
  color: var(--srt-muted);
  font-weight: 500;
}

/* ════════════════════ TEXTAREA ════════════════════════════════ */
#srt-root .srt-textarea {
  display: block;
  width: 100%;
  min-height: 240px;
  padding: 14px 16px;
  font-size: 13.5px;
  font-family: var(--srt-mono);
  line-height: 1.75;
  color: var(--srt-text);
  background: rgba(255,255,255,.85);
  border: none;
  resize: vertical;
  outline: none;
  transition: background var(--srt-t) var(--srt-ease);
}
#srt-root .srt-textarea::placeholder { color: var(--srt-muted); }
#srt-root .srt-textarea:focus { background: #fff; }

/* Output textarea */
#srt-root .srt-textarea-out {
  background: rgba(240,253,246,.7);
  color: var(--srt-text);
}
#srt-root .srt-textarea-out:focus { background: rgba(240,253,246,.95); }

/* ════════════════════ STATS PILLS ═════════════════════════════ */
#srt-root .srt-stats-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px 10px;
  flex-wrap: wrap;
}
#srt-root .srt-pill {
  display: flex;
  align-items: baseline;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 99px;
  background: var(--srt-surface3);
  border: 1px solid var(--srt-border);
  font-size: 11.5px;
}
#srt-root .srt-pill-val {
  font-size: 13px;
  font-weight: 700;
  color: var(--srt-accent);
}
#srt-root .srt-pill-lbl { color: var(--srt-text3); font-weight: 500; }

/* ════════════════════ TOGGLE SWITCHES ═════════════════════════ */
#srt-root .srt-options {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 13px;
}
#srt-root .srt-opt-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
#srt-root .srt-opt-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--srt-text);
  line-height: 1.3;
}
#srt-root .srt-opt-desc {
  font-size: 11px;
  color: var(--srt-muted);
  margin-top: 2px;
  line-height: 1.4;
}

/* Toggle */
#srt-root .srt-toggle {
  position: relative;
  width: 38px; height: 21px;
  flex-shrink: 0;
}
#srt-root .srt-toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
#srt-root .srt-toggle-track {
  position: absolute;
  inset: 0;
  border-radius: 99px;
  background: var(--srt-border2);
  cursor: pointer;
  transition: background var(--srt-t) var(--srt-ease);
}
#srt-root .srt-toggle-track::after {
  content: '';
  position: absolute;
  top: 2.5px; left: 2.5px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,.18);
  transition: transform var(--srt-t) var(--srt-ease);
}
#srt-root .srt-toggle input:checked + .srt-toggle-track {
  background: var(--srt-accent);
}
#srt-root .srt-toggle input:checked + .srt-toggle-track::after {
  transform: translateX(17px);
}

/* Divider */
#srt-root .srt-divider {
  height: 1px;
  background: var(--srt-border);
  margin: 2px 0;
}

/* ════════════════════ ACTION BAR ══════════════════════════════ */
#srt-root .srt-action-bar {
  padding: 14px 16px;
  border-top: 1.5px solid var(--srt-border);
  background: linear-gradient(to top, rgba(240,253,246,.9), rgba(255,255,255,.6));
  display: flex;
  flex-direction: column;
  gap: 8px;
}
#srt-root .srt-action-row {
  display: flex;
  gap: 8px;
}
#srt-root .srt-action-row .srt-btn { flex: 1; justify-content: center; }

/* ════════════════════ RESULT SUMMARY ═════════════════════════ */
#srt-root .srt-result-banner {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: linear-gradient(135deg, var(--srt-ok-dim), rgba(240,253,246,.9));
  border-bottom: 1.5px solid var(--srt-border);
  flex-wrap: wrap;
}
#srt-root .srt-result-banner.visible { display: flex; }
#srt-root .srt-result-chip {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border-radius: 99px;
  font-size: 11.5px;
  font-weight: 700;
}
#srt-root .srt-result-chip.total  { background: var(--srt-surface3); color: var(--srt-text2); border: 1px solid var(--srt-border2); }
#srt-root .srt-result-chip.sorted { background: var(--srt-ok-dim); color: var(--srt-ok); border: 1px solid rgba(21,128,61,.22); }
#srt-root .srt-result-chip.mode   { background: var(--srt-accent-dim); color: var(--srt-accent); border: 1px solid var(--srt-accent-ring); }
#srt-root .srt-result-chip svg    { width: 12px; height: 12px; }

/* ════════════════════ TOAST ═══════════════════════════════════ */
#srt-root .srt-toast {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--srt-radius-sm);
  font-size: 12.5px;
  font-weight: 600;
  margin: 0 0 16px;
  animation: srtFadeIn .2s var(--srt-ease);
}
#srt-root .srt-toast.ok  { background: var(--srt-ok-dim); color: var(--srt-ok); border: 1px solid rgba(21,128,61,.22); display: flex; }
#srt-root .srt-toast.err { background: var(--srt-red-dim); color: var(--srt-red); border: 1px solid rgba(220,38,38,.20); display: flex; }
#srt-root .srt-toast svg { width: 15px; height: 15px; flex-shrink: 0; }
@keyframes srtFadeIn { from { opacity:0; transform:translateY(4px); } to { opacity:1; transform:none; } }

/* ════════════════════ SEO CONTENT ═════════════════════════════ */
#srt-root .srt-seo {
  margin-top: 36px;
  border-top: 1.5px solid var(--srt-border);
  padding-top: 36px;
}
#srt-root .srt-seo-heading {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--srt-text);
  margin: 0 0 6px;
  letter-spacing: -.02em;
}
#srt-root .srt-seo-sub {
  font-size: 1rem;
  color: var(--srt-text3);
  margin: 0 0 24px;
  line-height: 1.65;
}

#srt-root .srt-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 36px;
}
#srt-root .srt-info-card {
  background: var(--srt-glass);
  border: 1.5px solid var(--srt-border);
  border-radius: var(--srt-radius);
  padding: 20px;
  box-shadow: var(--srt-shadow-sm);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
#srt-root .srt-info-icon {
  width: 40px; height: 40px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--srt-accent-dim), var(--srt-surface3));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
  border: 1px solid var(--srt-border);
}
#srt-root .srt-info-icon svg { width: 20px; height: 20px; color: var(--srt-accent); }
#srt-root .srt-info-card h3 { font-size: 13.5px; font-weight: 700; color: var(--srt-text); margin: 0 0 6px; }
#srt-root .srt-info-card p  { font-size: 12.5px; color: var(--srt-text3); margin: 0; line-height: 1.65; }

/* FAQ */
#srt-root .srt-faq { margin-top: 8px; }
#srt-root .srt-faq h2 { font-size: 1.25rem; font-weight: 800; color: var(--srt-text); margin: 0 0 16px; letter-spacing: -.02em; }
#srt-root .srt-faq-item {
  background: var(--srt-glass);
  border: 1.5px solid var(--srt-border);
  border-radius: var(--srt-radius-sm);
  margin-bottom: 10px;
  overflow: hidden;
  backdrop-filter: blur(6px);
}
#srt-root .srt-faq-q {
  width: 100%;
  text-align: left;
  padding: 14px 18px;
  font-size: 13px;
  font-weight: 700;
  color: var(--srt-text);
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
  transition: background var(--srt-t) var(--srt-ease);
}
#srt-root .srt-faq-q:hover { background: var(--srt-surface3); }
#srt-root .srt-faq-q svg {
  width: 15px; height: 15px;
  color: var(--srt-accent);
  flex-shrink: 0;
  transition: transform var(--srt-t) var(--srt-ease);
}
#srt-root .srt-faq-item.open .srt-faq-q svg { transform: rotate(45deg); }
#srt-root .srt-faq-a {
  display: none;
  padding: 0 18px 14px;
  font-size: 13px;
  color: var(--srt-text3);
  line-height: 1.7;
  border-top: 1.5px solid var(--srt-border);
}
#srt-root .srt-faq-item.open .srt-faq-a { display: block; }

/* ════════════════════ MOBILE STICKY CTA ═══════════════════════ */
#srt-root .srt-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 200;
  padding: 10px 16px 14px;
  background: rgba(240,253,246,.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1.5px solid var(--srt-border);
  box-shadow: 0 -6px 24px rgba(5,150,105,.12);
}
@media (max-width: 640px) {
  #srt-root .srt-sticky-cta { display: block; }
  #srt-root .srt-sticky-cta .srt-btn-lg { padding: 15px; font-size: 15.5px; }
}

/* ════════════════════ RESPONSIVE ══════════════════════════════ */
@media (max-width: 640px) {
  #srt-root { padding: 0 12px 110px; }
  #srt-root .srt-hero { padding: 32px 8px 24px; }
  #srt-root .srt-hero::before { display: none; }
  #srt-root .srt-sort-grid { grid-template-columns: 1fr 1fr; gap: 6px; padding: 10px; }
  #srt-root .srt-card-header { flex-wrap: wrap; gap: 8px; }
  #srt-root .srt-card-actions { gap: 5px; }
  #srt-root .srt-btn { padding: 6px 10px; font-size: 12px; }
  #srt-root .srt-textarea { min-height: 180px; font-size: 13px; }
  #srt-root .srt-action-row { flex-direction: column; }
  #srt-root .srt-options { padding: 12px; gap: 11px; }
  #srt-root .srt-info-grid { grid-template-columns: 1fr; }
}

@media (max-width: 380px) {
  #srt-root .srt-sort-grid { grid-template-columns: 1fr; }
}