/* CipherKit — tool.css
   Tool page layout and shared tool UI components */

/* ── TOOL ACCENT COLOR SYSTEM ─────────────────────────────────────────────── */
/* Each tool auto-inherits its accent from the tc-icon colour class.
   Default is green; :has() overrides set purple / blue / amber accents.        */
:root {
  --accent:     var(--green);
  --accent-dim: var(--gdim);
  --accent-rgb: 61,214,140;
}
.tool-container:has(.tc-icon-purple) {
  --accent:     var(--purple);
  --accent-dim: rgba(176,131,240,.2);
  --accent-rgb: 176,131,240;
}
.tool-container:has(.tc-icon-blue) {
  --accent:     var(--blue);
  --accent-dim: rgba(88,166,255,.2);
  --accent-rgb: 88,166,255;
}
.tool-container:has(.tc-icon-amber) {
  --accent:     var(--amber);
  --accent-dim: rgba(232,160,32,.2);
  --accent-rgb: 232,160,32;
}

/* ── TOOL PAGE LAYOUT ─────────────────────────────────────────────────────── */
.tool-page { }

.tool-header {
  background:    var(--surface);
  border-bottom: 1px solid var(--border);
  padding:       40px 24px 28px;
  margin-bottom: 0;
}
.tool-header-inner {
  max-width: var(--max-w);
  margin:    0 auto;
}

.tool-header h1 { margin-bottom: 10px; }

.tool-tagline {
  font-size:  14px;
  color:      var(--muted);
  margin-bottom: 16px;
}

.tool-badges {
  display:  flex;
  gap:      8px;
  flex-wrap: wrap;
}

.badge {
  display:       inline-flex;
  align-items:   center;
  gap:           4px;
  font-size:     12px;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding:       3px 10px;
  border-radius: 20px;
  border:        1px solid;
  font-weight:   700;
  line-height:   1;
  vertical-align: middle;
}
.badge-icon {
  display:     inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width:       12px;
  height:      12px;
}
.badge-icon svg { width: 12px; height: 12px; display: block; }
.badge svg { flex-shrink: 0; }
.badge-green {
  color:        var(--green);
  border-color: var(--gdim);
  background:   rgba(61,214,140,.06);
}

/* ── TOOL INTERFACE WRAP ──────────────────────────────────────────────────── */
.tool-interface-wrap {
  max-width: var(--max-w);
  margin:    0 auto;
  padding:   28px 24px;
}

.tool-container {
  /* Tool JS renders into this div */
}

.tool-loading {
  color:      var(--muted);
  font-size:  13px;
  padding:    40px;
  text-align: center;
}

/* ── TOOL LOWER SECTION ──────────────────────────────────────────────────── */
.tool-page-lower {
  max-width: var(--max-w);
  margin:    0 auto;
  padding:   0 24px 80px;
}

/* ── RELATED TOOLS ───────────────────────────────────────────────────────── */
.related-tools {
  margin-bottom: 48px;
}
.related-tools h2 {
  font-size: 16px;
  margin-bottom: 14px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}
.related-card {
  display:        block;
  background:     var(--surface);
  border:         1px solid var(--border);
  border-radius:  var(--r);
  padding:        14px 16px;
  text-decoration: none;
  transition:     all .18s;
}
.related-card:hover {
  border-color: var(--accent);
  background:   rgba(var(--accent-rgb),.04);
  opacity:      1;
}
.related-title {
  display:       block;
  font-family:   var(--sans);
  font-weight:   700;
  font-size:     13px;
  color:         var(--text);
  margin-bottom: 4px;
}
.related-tag {
  display:   block;
  font-size: 12px;
  color:     var(--muted);
}

/* ── USAGE GUIDE ─────────────────────────────────────────────────────────── */
.usage-guide {
  background:    var(--surface);
  border:        1px solid var(--border);
  border-radius: var(--r-lg);
  padding:       28px;
}
.usage-guide h2 {
  font-size:     16px;
  margin-bottom: 16px;
}
.usage-content ol,
.usage-content ul {
  padding-left: 20px;
  color:        var(--muted);
  font-size:    13px;
  line-height:  1.9;
}
.usage-content p {
  font-size:     13px;
  margin-bottom: 12px;
}
.usage-content strong { color: var(--text); }
.usage-content code {
  font-size:  12px;
  background: var(--bg);
  padding:    2px 6px;
  border-radius: 3px;
  border:     1px solid var(--border);
}

/* ── SEO CONTENT SECTION ─────────────────────────────────────────────────── */
.seo-content {
  background:    var(--surface);
  border:        1px solid var(--border);
  border-radius: var(--r-lg);
  padding:       28px;
  margin-top:    24px;
}
.seo-content h2 {
  font-size:     16px;
  margin-bottom: 12px;
  color:         var(--text);
}
.seo-content h2:not(:first-child) {
  margin-top: 28px;
}
.seo-content h3 {
  font-size:     14px;
  color:         var(--green);
  margin-top:    20px;
  margin-bottom: 6px;
}
.seo-content p {
  font-size:     13px;
  color:         var(--muted);
  line-height:   1.8;
  margin-bottom: 8px;
}
.seo-content ul {
  padding-left:  20px;
  color:         var(--muted);
  font-size:     13px;
  line-height:   1.9;
}
.seo-content ul li {
  margin-bottom: 4px;
}

/* ── SHARED TOOL UI COMPONENTS ───────────────────────────────────────────── */

/* Two-column tool layout */
.tool-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

/* Single-column centered */
.tool-single-col {
  max-width: 720px;
  margin:    0 auto;
}

/* Card */
.tool-card-ui {
  background:    var(--surface);
  border:        1px solid var(--border);
  border-radius: var(--r-lg);
  overflow:      hidden;
  display:       flex;
  flex-direction: column;
  transition:    border-color .25s;
}
.tool-card-ui:focus-within { border-color: rgba(var(--accent-rgb),.15); }

/* Card head */
.tc-head {
  padding:       14px 18px;
  border-bottom: 1px solid var(--border);
  display:       flex;
  align-items:   center;
  justify-content: space-between;
  background:    var(--sf2);
  flex-shrink:   0;
}
.tc-title {
  display:     flex;
  align-items: center;
  gap:         9px;
  font-family: var(--sans);
  font-weight: 700;
  font-size:   13px;
  color:       var(--text);
}
.tc-title h2 {
  font-size:     inherit;
  font-weight:   inherit;
  letter-spacing: inherit;
  margin:        0;
  line-height:   1;
}
.tc-icon {
  width:         26px;
  height:        26px;
  border-radius: 5px;
  display:       grid;
  place-items:   center;
  flex-shrink:   0;
}
.tc-icon svg    { width: 13px; height: 13px; display: block; }
.tc-icon-green  { background: rgba(61,214,140,.12);  color: var(--green);  }
.tc-icon-blue   { background: rgba(88,166,255,.12);  color: var(--blue);   }
.tc-icon-purple { background: rgba(176,131,240,.12); color: var(--purple); }
.tc-icon-amber  { background: rgba(232,160,32,.12);  color: var(--amber);  }

.tc-badge {
  font-size:     12px;
  font-weight:   600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding:       3px 8px;
  border-radius: 4px;
  border:        1px solid;
  line-height:   1;
  flex-shrink:   0;
}
.tc-badge-green  { color: var(--green);  border-color: var(--gdim);                background: rgba(61,214,140,.06);  }
.tc-badge-blue   { color: var(--blue);   border-color: rgba(88,166,255,.2);        background: rgba(88,166,255,.06);  }
.tc-badge-purple { color: var(--purple); border-color: rgba(176,131,240,.2);       background: rgba(176,131,240,.06); }
.tc-badge-amber  { color: var(--amber);  border-color: rgba(232,160,32,.2);        background: rgba(232,160,32,.06);  }

/* Card body */
.tc-body {
  padding: 18px;
  flex:    1;
  display: flex;
  flex-direction: column;
  gap:     16px;
}

/* Control row */
.ctrl-row {
  display:  flex;
  gap:      10px;
  flex-wrap: wrap;
}
.sel-group { flex: 1; min-width: 100px; }
.sel-group label {
  display:        block;
  font-size:      12px;
  color:          var(--muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom:  5px;
}

/* Select */
select {
  width:            100%;
  background:       var(--bg);
  border:           1px solid var(--border);
  border-radius:    var(--r);
  color:            var(--text);
  font-family:      var(--mono);
  font-size:        12px;
  padding:          8px 28px 8px 10px;
  outline:          none;
  cursor:           pointer;
  transition:       border-color .18s;
  appearance:       none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23606770' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:   no-repeat;
  background-position: right 9px center;
}
select:focus         { border-color: rgba(var(--accent-rgb),.35); }
select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Field */
.field { display: flex; flex-direction: column; gap: 6px; }
.field-hdr {
  display:      flex;
  align-items:  center;
  justify-content: space-between;
  min-height:   20px;
}
.field-hdr label {
  font-size:      12px;
  color:          var(--muted);
  text-transform: uppercase;
  letter-spacing: .1em;
}
.field-btns { display: flex; gap: 5px; }

/* Pill button (small) */
.pill-btn {
  display:      flex;
  align-items:  center;
  gap:          4px;
  font-size:    12px;
  color:        var(--muted);
  background:   var(--sf2);
  border:       1px solid var(--border);
  border-radius: 4px;
  padding:      2px 8px;
  cursor:       pointer;
  font-family:  var(--mono);
  transition:   all .15s;
  white-space:  nowrap;
  height:       20px;
}
.pill-btn svg   { width: 9px; height: 9px; flex-shrink: 0; }
.pill-btn:hover { color: var(--accent); border-color: var(--accent-dim); }
.pill-btn.blue:hover  { color: var(--blue);  border-color: rgba(88,166,255,.3); }
.pill-btn.amber:hover { color: var(--amber); border-color: rgba(232,160,32,.3); }
.pill-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Textarea / Input */
textarea,
input[type=text],
input[type=password],
input[type=number] {
  width:        100%;
  background:   var(--bg);
  border:       1px solid var(--border);
  border-radius: var(--r);
  color:        var(--text);
  font-family:  var(--mono);
  font-size:    12px;
  padding:      10px 12px;
  outline:      none;
  transition:   border-color .18s;
  line-height:  1.65;
}
textarea {
  resize:     vertical;
  min-height: 88px;
  display:    block;
}
textarea:focus, input[type=text]:focus, input[type=password]:focus, input[type=number]:focus {
  border-color: rgba(var(--accent-rgb),.3);
  box-shadow:   0 0 0 3px rgba(var(--accent-rgb),.05);
}
textarea:focus-visible, input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Input with icon suffix */
.input-wrap          { position: relative; }
.input-wrap input    { padding-right: 72px; }
.input-suffix {
  position:  absolute;
  right:     7px;
  top:       50%;
  transform: translateY(-50%);
  display:   flex;
  gap:       4px;
}

/* Icon button */
.icon-btn {
  display:       grid;
  place-items:   center;
  width:         26px;
  height:        26px;
  border-radius: 4px;
  background:    var(--sf2);
  border:        1px solid var(--border);
  cursor:        pointer;
  transition:    all .15s;
  color:         var(--muted);
  flex-shrink:   0;
}
.icon-btn svg   { width: 11px; height: 11px; }
.icon-btn:hover { color: var(--amber); border-color: rgba(232,160,32,.35); }
.icon-btn.vis:hover { color: var(--blue); border-color: rgba(88,166,255,.3); }
.icon-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Key strength bar */
.kbar-wrap { height: 9px; margin-top: 2px; }
.kbar {
  height:       2px;
  background:   var(--border);
  border-radius: 2px;
  overflow:     hidden;
  margin-top:   3px;
}
.kfill {
  height:     100%;
  border-radius: 2px;
  width:      0%;
  transition: width .3s, background .3s;
}

/* Mode tabs — pill toggle style */
.mode-tabs {
  display:       flex;
  background:    #0d0d0d;
  border:        1px solid #1e1e1e;
  border-radius: 10px;
  padding:       4px;
  gap:           4px;
  margin-bottom: 4px;
}
.mt {
  flex:           1;
  padding:        10px 16px;
  border-radius:  7px;
  border:         none;
  background:     transparent;
  color:          #555;
  font-size:      14px;
  font-family:    inherit;
  cursor:         pointer;
  transition:     all .18s ease;
  text-align:     center;
  white-space:    nowrap;
}
.mt:hover {
  color:      #aaa;
  background: #161616;
}
.mt.active,
.mt[aria-pressed="true"] {
  background:  #1a1a1a;
  color:       #00ff88;
  border:      1px solid #2a2a2a;
  box-shadow:  inset 0 1px 0 rgba(255,255,255,0.04);
}
.mt:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Action button */
.act-btn {
  width:         100%;
  padding:       11px;
  border-radius: var(--r);
  border:        none;
  font-family:   var(--mono);
  font-size:     12px;
  font-weight:   700;
  cursor:        pointer;
  transition:    all .2s;
  letter-spacing: .07em;
  text-transform: uppercase;
  display:       flex;
  align-items:   center;
  justify-content: center;
  gap:           8px;
  flex-shrink:   0;
}
.act-btn svg      { width: 14px; height: 14px; flex-shrink: 0; }
.act-btn:active   { transform: translateY(0) !important; }
.act-btn:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }

.act-green  { background: linear-gradient(135deg,#3dd68c,#2ebc78); color: #02150a; }
.act-green:hover  { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(61,214,140,.3); }
.act-blue   { background: linear-gradient(135deg,#58a6ff,#79b8ff); color: #020d1a; }
.act-blue:hover   { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(88,166,255,.3); }
.act-purple { background: linear-gradient(135deg,#b083f0,#d2a8ff); color: #0d0518; }
.act-purple:hover { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(176,131,240,.3); }
.act-amber  { background: linear-gradient(135deg,#e8a020,#f0c040); color: #160c00; }
.act-amber:hover  { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(232,160,32,.3); }

/* Output box */
.out-box {
  background:    rgba(0,0,0,.25);
  border:        1px solid var(--border);
  border-radius: var(--r);
  overflow:      hidden;
  flex-shrink:   0;
}
.out-head {
  padding:         7px 13px;
  border-bottom:   1px solid var(--border);
  display:         flex;
  align-items:     center;
  justify-content: space-between;
}
.out-label {
  font-size:  12px;
  color:      var(--muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  display:    flex;
  align-items: center;
  gap:        6px;
}
.out-label svg { width: 12px; height: 12px; flex-shrink: 0; }
.copy-btn {
  display:     flex;
  align-items: center;
  gap:         5px;
  font-size:   12px;
  color:       var(--muted);
  background:  none;
  border:      1px solid var(--border);
  border-radius: 4px;
  padding:     3px 10px;
  cursor:      pointer;
  font-family: var(--mono);
  transition:  all .15s;
}
.copy-btn svg   { width: 10px; height: 10px; }
.copy-btn:hover { color: var(--accent); border-color: var(--accent-dim); }
.copy-btn.ok    { color: var(--accent); border-color: var(--accent-dim); }
.copy-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.out-body {
  padding:    13px 14px;
  font-size:  12px;
  word-break: break-all;
  line-height: 1.7;
  min-height: 52px;
  max-height: 320px;
  overflow-y: auto;
  resize:     vertical;
  font-family: var(--mono);
  white-space: pre-wrap;
}
.out-body.ph   { color: var(--muted); font-style: italic; }
.out-body.err  { color: #ff6b6b; }
.out-body.g    { color: var(--green); }
.out-body.b    { color: var(--blue); }
.out-body.p    { color: var(--purple); }
.out-body.a    { color: var(--amber); }

/* Inline note */
.tool-note {
  font-size:   12px;
  color:       var(--muted);
  border:      1px solid var(--border);
  border-radius: 6px;
  padding:     10px 13px;
  line-height: 1.6;
  display:     flex;
  align-items: flex-start;
  gap:         8px;
}
.tool-note svg { width: 12px; height: 12px; color: var(--amber); margin-top: 1px; flex-shrink: 0; }

/* Inline error message */
.inline-error {
  font-size:  12px;
  color:      #ff6b6b;
  line-height: 1.5;
  min-height: 0;
  display:    none;
  margin-top: 2px;
}

/* ── NOTICE / WARNING BOXES ──────────────────────────────────────────────── */
.notice {
  display:       flex;
  align-items:   flex-start;
  gap:           10px;
  padding:       12px 16px;
  border-radius: var(--r);
  font-size:     13px;
  line-height:   1.5;
  margin-bottom: 16px;
}
.notice-icon { flex-shrink: 0; }
.notice-icon svg { width: 16px; height: 16px; }
.notice-amber { background: rgba(234,179,8,.08); border: 1px solid rgba(234,179,8,.25); color: var(--amber); }

/* ── MATCH / NO-MATCH RESULT ────────────────────────────────────────────── */
.out-body.match   { display: flex; align-items: center; gap: 10px; color: var(--green); }
.out-body.no-match { display: flex; align-items: center; gap: 10px; color: #ff6b6b; }
.match-icon svg,
.no-match-icon svg { width: 20px; height: 20px; flex-shrink: 0; }

/* ── CHECKSUM GRID ──────────────────────────────────────────────────────── */
.ck-grid { padding: 0 !important; }
.ck-row {
  display:     flex;
  align-items: center;
  gap:         12px;
  padding:     10px 16px;
  border-bottom: 1px solid var(--border);
}
.ck-row:last-child { border-bottom: none; }
.ck-label {
  min-width:    90px;
  font-size:    12px;
  font-weight:  600;
  color:        var(--muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  flex-shrink:  0;
}
.ck-val {
  display:     flex;
  align-items: center;
  gap:         8px;
  flex:        1;
  min-width:   0;
}
.ck-val code {
  font-family: var(--mono);
  font-size:   13px;
  word-break:  break-all;
  color:       var(--text);
  flex:        1;
}
.copy-btn.sm { padding: 2px 6px; font-size: 0; flex-shrink: 0; }
.copy-btn.sm svg { width: 14px; height: 14px; }

/* ── LOADING MSG ────────────────────────────────────────────────────────── */
.loading-msg {
  text-align:  center;
  color:       var(--muted);
  font-size:   13px;
  padding:     12px;
}

/* ── OUTPUT BUTTONS GROUP ───────────────────────────────────────────────── */
.out-btns { display: flex; gap: 6px; }

/* ── MONO TEXT ───────────────────────────────────────────────────────────── */
.out-body.mono { font-family: var(--mono); word-break: break-all; }

/* ── RESPONSIVE ──────────────────────────────────────────────────────────── */
@media (max-width: 760px) {
  .tool-two-col { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .related-grid { grid-template-columns: 1fr; }
  .tool-interface-wrap { padding: 16px; }
}

/* ── FILE INPUT — STYLED DROP ZONE ───────────────────────────────────────── */
input[type="file"] {
  display:       block;
  width:         100%;
  padding:       20px 16px;
  border:        2px dashed var(--border);
  border-radius: var(--r);
  background:    var(--bg);
  color:         var(--muted);
  font-family:   var(--mono);
  font-size:     13px;
  cursor:        pointer;
  transition:    border-color .2s, background .2s, color .2s;
  text-align:    center;
  outline:       none;
}
input[type="file"]:hover {
  border-color:  var(--accent);
  background:    rgba(var(--accent-rgb),.03);
  color:         var(--text);
}
input[type="file"]:focus,
input[type="file"]:focus-visible {
  border-color:  var(--accent);
  background:    rgba(var(--accent-rgb),.04);
  outline:       2px solid var(--accent);
  outline-offset: 2px;
}
input[type="file"]::file-selector-button {
  padding:       8px 18px;
  border:        1px solid var(--accent);
  border-radius: 6px;
  background:    rgba(var(--accent-rgb),.1);
  color:         var(--accent);
  font-family:   var(--mono);
  font-size:     12px;
  font-weight:   700;
  cursor:        pointer;
  margin-right:  12px;
  transition:    all .2s;
  text-transform: uppercase;
  letter-spacing: .06em;
}
input[type="file"]::file-selector-button:hover {
  background:    var(--accent);
  color:         #02150a;
}

/* ── NOTICE BOX ──────────────────────────────────────────────────────────── */
.notice {
  display:       flex;
  align-items:   flex-start;
  gap:           10px;
  padding:       12px 16px;
  border-radius: var(--r);
  font-size:     13px;
  line-height:   1.55;
  margin-bottom: 16px;
}
.notice-icon svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 1px; }
.notice-amber {
  background:   rgba(232,160,32,.08);
  border:       1px solid rgba(232,160,32,.25);
  color:        var(--amber);
}

/* ── MATCH / NO-MATCH RESULT ─────────────────────────────────────────────── */
.out-body.match {
  display:     flex;
  align-items: center;
  gap:         10px;
  color:       var(--green);
}
.match-icon svg { width: 22px; height: 22px; flex-shrink: 0; }

.out-body.no-match {
  display:     flex;
  align-items: center;
  gap:         10px;
  color:       #ff6b6b;
}
.no-match-icon svg { width: 22px; height: 22px; flex-shrink: 0; }

/* ── CHECKSUM GRID ───────────────────────────────────────────────────────── */
.ck-grid { padding: 0 !important; }
.ck-row {
  display:       flex;
  align-items:   baseline;
  gap:           12px;
  padding:       10px 16px;
  border-bottom: 1px solid var(--border);
}
.ck-row:last-child { border-bottom: none; }
.ck-label {
  flex:          0 0 100px;
  font-size:     12px;
  font-weight:   700;
  color:         var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.ck-val {
  flex:          1;
  display:       flex;
  align-items:   center;
  gap:           8px;
  min-width:     0;
}
.ck-val code {
  flex:          1;
  word-break:    break-all;
  font-size:     12px;
  line-height:   1.5;
}
.copy-btn.sm {
  padding:       3px 6px;
  font-size:     0;
}
.copy-btn.sm svg { width: 13px; height: 13px; }

/* ── LOADING MESSAGE ─────────────────────────────────────────────────────── */
.loading-msg {
  font-size:   13px;
  color:       var(--muted);
  padding:     8px 0;
  text-align:  center;
}

/* ── OUTPUT BUTTONS ROW ──────────────────────────────────────────────────── */
.out-btns {
  display:    flex;
  gap:        6px;
  align-items: center;
}

/* ── DOWNLOAD BUTTON ─────────────────────────────────────────────────────── */
.dl-btn {
  display:     flex;
  align-items: center;
  gap:         5px;
  font-size:   12px;
  color:       var(--muted);
  background:  none;
  border:      1px solid var(--border);
  border-radius: 4px;
  padding:     3px 10px;
  cursor:      pointer;
  font-family: var(--mono);
  transition:  all .15s;
}
.dl-btn svg   { width: 10px; height: 10px; }
.dl-btn:hover { color: var(--blue); border-color: rgba(88,166,255,.3); }
.dl-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ── INPUT META (char/byte counter) ──────────────────────────────────────── */
.input-meta {
  font-size:   11px;
  color:       var(--muted);
  text-align:  right;
  padding-top: 2px;
  letter-spacing: .02em;
}

/* ── KEYBOARD SHORTCUT HINT ──────────────────────────────────────────────── */
.shortcut-hint {
  font-size: 11px;
  color:     var(--muted);
  text-align: center;
  margin-top: 4px;
  letter-spacing: .02em;
}

/* ── MONOSPACE OUTPUT ────────────────────────────────────────────────────── */
.out-body.mono {
  font-family: var(--mono);
  font-size:   13px;
  word-break:  break-all;
  line-height: 1.6;
}

/* ── OUTPUT STATE CLASSES ────────────────────────────────────────────────── */
.out-body.ph  { color: var(--muted); font-style: italic; }
.out-body.b   { color: var(--text); }
.out-body.err { color: #ff6b6b; }

/* ── GLOBAL: INPUT → BUTTON SPACING ─────────────────────────────────────── */
.tc-body > .field + .act-btn,
.tc-body > .ctrl-row + .act-btn,
.tc-body > input + .act-btn,
.tc-body > textarea + .act-btn,
.tc-body > select + .act-btn {
  margin-top: 3px;    /* tc-body gap=16px + 3px = ~19px total visual spacing */
}

/* ── GLOBAL: iOS ZOOM PREVENTION ────────────────────────────────────────── */
.tc-body input,
.tc-body select,
.tc-body textarea {
  font-size: max(16px, 1rem);
  touch-action: manipulation;
}

/* ── DATE / TIME INPUTS ─────────────────────────────────────────────────── */
input[type="date"],
input[type="time"] {
  width:            100%;
  background:       #1a1a1a;
  color:            #e0e0e0;
  border:           1px solid #2a2a2a;
  border-radius:    7px;
  padding:          10px 12px;
  font-size:        16px;
  font-family:      inherit;
  color-scheme:     dark;
  appearance:       none;
  -webkit-appearance: none;
  min-height:       44px;
  touch-action:     manipulation;
  outline:          none;
  transition:       border-color .18s;
}
input[type="date"]:focus,
input[type="time"]:focus {
  border-color: #00ff88;
  outline: none;
  box-shadow: 0 0 0 3px rgba(0,255,136,0.1);
}

/* Date-time split row */
.dt-split-row {
  display:  flex;
  gap:      10px;
  flex-wrap: wrap;
}
.dt-split-row > * { flex: 1; min-width: 120px; }

/* ── DATETIME EDITOR (epoch-converter) ──────────────────────────────────── */
.datetime-editor {
  background: #111;
  border: 1px solid #1e1e1e;
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 12px;
}
.dte-row {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  flex-wrap: wrap;
}
.dte-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.dte-label {
  font-size: 10px;
  color: #444;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.dte-field {
  width: 52px;
  background: #0d0d0d;
  border: 1px solid #1e1e1e;
  border-radius: 6px;
  color: #e0e0e0;
  font-size: 16px;
  padding: 8px 6px;
  text-align: center;
  font-family: inherit;
  -moz-appearance: textfield;
}
.dte-field::-webkit-outer-spin-button,
.dte-field::-webkit-inner-spin-button { -webkit-appearance: none; }
.dte-year { width: 72px; }
.dte-field:focus {
  border-color: #00ff88;
  outline: none;
  box-shadow: 0 0 0 3px rgba(0,255,136,0.1);
}
.dte-sep {
  color: #333;
  font-size: 18px;
  padding-bottom: 8px;
  user-select: none;
}
.dte-now-btn {
  margin-top: 10px;
  padding: 6px 14px;
  background: transparent;
  border: 1px solid #2a2a2a;
  border-radius: 6px;
  color: #555;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}
.dte-now-btn:hover { color: #00ff88; border-color: #00ff88; }

/* ── UPLOAD ZONE (shared) ───────────────────────────────────────────────── */
.upload-zone {
  border:        2px dashed #2a2a2a;
  border-radius: 12px;
  padding:       40px 20px;
  text-align:    center;
  cursor:        pointer;
  transition:    all 0.2s ease;
  background:    #0d0d0d;
  margin-bottom: 0;
}
.upload-zone:hover,
.upload-zone.drag-over {
  border-color: #00ff88;
  background:   rgba(0,255,136,0.03);
}
.upload-zone.has-file {
  border-style: solid;
  border-color: #2a2a2a;
  padding:      16px 20px;
}
.upload-zone svg {
  display: block;
  margin: 0 auto 8px;
}
.upload-label {
  font-size: 15px;
  color:     #888;
  margin:    10px 0 4px;
}
.upload-sub {
  font-size: 13px;
  color:     #444;
}
.upload-link {
  color:                #00ff88;
  cursor:               pointer;
  text-decoration:      underline;
  text-underline-offset: 2px;
}
.upload-formats {
  font-size:  11px;
  color:      #333;
  margin-top: 8px;
}

/* ── COLOR SWATCH INPUT ─────────────────────────────────────────────────── */
input[type="color"].ck-swatch {
  width:              64px;
  height:             64px;
  border-radius:      10px;
  border:             2px solid #2a2a2a;
  padding:            0;
  cursor:             pointer;
  background:         none;
  appearance:         none;
  -webkit-appearance: none;
  display:            block;
  flex-shrink:        0;
  transition:         border-color .2s;
}
input[type="color"].ck-swatch:hover { border-color: #00ff88; }
input[type="color"].ck-swatch::-webkit-color-swatch-wrapper { padding: 0; border-radius: 8px; }
input[type="color"].ck-swatch::-webkit-color-swatch { border: none; border-radius: 8px; }
input[type="color"].ck-swatch::-moz-color-swatch { border: none; border-radius: 8px; }

/* Color input row layout */
.ck-color-row {
  display:     flex;
  gap:         16px;
  align-items: center;
}
.ck-hex-input {
  flex:         1;
  font-size:    20px;
  font-family:  var(--mono);
  background:   var(--bg);
  border:       1px solid var(--border);
  border-radius: var(--r);
  color:        var(--text);
  padding:      12px 14px;
  outline:      none;
  transition:   border-color .18s;
}
.ck-hex-input:focus { border-color: #00ff88; box-shadow: 0 0 0 3px rgba(0,255,136,.08); }

/* Recent color swatches */
.ck-recent-colors {
  display:   flex;
  gap:       6px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.ck-recent-swatch {
  width:         28px;
  height:        28px;
  border-radius: 6px;
  border:        2px solid #2a2a2a;
  cursor:        pointer;
  transition:    border-color .15s, transform .15s;
  padding:       0;
  background:    none;
}
.ck-recent-swatch:hover {
  border-color: #00ff88;
  transform:    scale(1.12);
}

/* Color output grid */
.ck-color-grid {
  display:        flex;
  flex-direction: column;
  gap:            8px;
  margin-top:     4px;
}
.ck-color-format-row {
  display:       flex;
  align-items:   center;
  gap:           10px;
  padding:       8px 12px;
  background:    var(--bg);
  border:        1px solid var(--border);
  border-radius: var(--r);
}
.ck-color-format-label {
  font-size:      11px;
  font-weight:    700;
  color:          var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  min-width:      42px;
  flex-shrink:    0;
}
.ck-color-format-value {
  flex:          1;
  font-family:   var(--mono);
  font-size:     13px;
  color:         var(--text);
  word-break:    break-all;
}

/* ═══════════════════════════════════════════════════════════════════════════
 *  Copy-Link Button (next to tool h1)
 * ═══════════════════════════════════════════════════════════════════════════ */
.ck-copy-link {
  display:          inline-flex;
  align-items:      center;
  justify-content:  center;
  background:       transparent;
  border:           1px solid var(--border);
  border-radius:    6px;
  color:            var(--muted);
  cursor:           pointer;
  padding:          4px;
  margin-left:      10px;
  vertical-align:   middle;
  transition:       all .15s;
  line-height:      1;
}
.ck-copy-link:hover {
  color:            var(--green);
  border-color:     var(--gdim);
  background:       rgba(61,214,140,.06);
}
.ck-copy-link.ck-copied {
  color:            var(--green);
  border-color:     var(--green);
  background:       rgba(61,214,140,.1);
}
.ck-copy-link svg {
  width:  16px;
  height: 16px;
}

/* ═══════════════════════════════════════════════════════════════════════════
 *  Recently Used — homepage row
 * ═══════════════════════════════════════════════════════════════════════════ */
.ck-recent-section {
  max-width:     1280px;
  margin:        0 auto 32px;
  padding:       0 24px;
}
.ck-recent-section .hub-header h2 {
  font-size:     1.1rem;
  color:         var(--text);
}
.ck-recent-row {
  display:        flex;
  gap:            14px;
  overflow-x:     auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.ck-recent-row::-webkit-scrollbar { height: 6px; }
.ck-recent-row::-webkit-scrollbar-track { background: transparent; }
.ck-recent-row::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.ck-recent-row .tool-card {
  min-width:  200px;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════════════════
 *  History Section — per tool page
 * ═══════════════════════════════════════════════════════════════════════════ */
.ck-hist-section {
  max-width:  800px;
  margin:     16px auto 0;
  padding:    0 24px;
}
.ck-hist-toggle {
  background:    transparent;
  border:        none;
  color:         var(--muted);
  font-family:   var(--mono);
  font-size:     12px;
  cursor:        pointer;
  padding:       6px 0;
  transition:    color .15s;
}
.ck-hist-toggle:hover { color: var(--text); }
.ck-hist-list {
  margin-top: 6px;
}
.ck-hist-entry {
  display:       flex;
  align-items:   center;
  gap:           8px;
  padding:       5px 0;
  font-size:     12px;
  cursor:        pointer;
  transition:    background .1s;
  border-radius: 4px;
  padding-left:  6px;
  padding-right: 6px;
}
.ck-hist-entry:hover {
  background: rgba(255,255,255,.03);
}
.ck-hist-in {
  color:         #888;
  overflow:      hidden;
  text-overflow: ellipsis;
  white-space:   nowrap;
  max-width:     180px;
  font-family:   var(--mono);
}
.ck-hist-arrow {
  color:     #555;
  flex-shrink: 0;
  font-size: 10px;
}
.ck-hist-out {
  color:         #888;
  overflow:      hidden;
  text-overflow: ellipsis;
  white-space:   nowrap;
  max-width:     180px;
  font-family:   var(--mono);
}
.ck-hist-time {
  color:       #555;
  font-size:   11px;
  margin-left: auto;
  flex-shrink: 0;
  white-space: nowrap;
}
.ck-hist-clear {
  background:  transparent;
  border:      none;
  color:       #555;
  font-size:   11px;
  font-family: var(--mono);
  cursor:      pointer;
  padding:     6px 0;
  margin-top:  4px;
  transition:  color .15s;
}
.ck-hist-clear:hover { color: var(--red, #ff4444); }