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

/* ── 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;
}
.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(--green);
  background:   rgba(61,214,140,.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);
}

/* ── 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: #2a3e4e; }

/* 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-icon {
  width:         26px;
  height:        26px;
  border-radius: 5px;
  display:       grid;
  place-items:   center;
}
.tc-icon svg    { width: 13px; height: 13px; }
.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;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding:       3px 8px;
  border-radius: 4px;
  border:        1px solid;
}
.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:     13px;
}

/* 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(61,214,140,.35); }
select:focus-visible { outline: 2px solid var(--green); 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(--green); border-color: var(--gdim); }
.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(--green); 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(61,214,140,.3);
  box-shadow:   0 0 0 3px rgba(61,214,140,.05);
}
textarea:focus-visible, input:focus-visible {
  outline: 2px solid var(--green);
  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(--green); 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 */
.mode-tabs {
  display:   flex;
  gap:       3px;
  background: var(--bg);
  border:    1px solid var(--border);
  border-radius: 6px;
  padding:   3px;
}
.mt {
  flex:         1;
  padding:      5px;
  border:       none;
  background:   transparent;
  color:        var(--muted);
  font-family:  var(--mono);
  font-size:    12px;
  cursor:       pointer;
  border-radius: 4px;
  transition:   all .15s;
  text-align:   center;
}
.mt[aria-pressed="true"] {
  background: var(--sf2);
  color:      var(--text);
}
.mt:focus-visible { outline: 2px solid var(--green); 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;
}
.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(--green); border-color: var(--gdim); }
.copy-btn.ok    { color: var(--green); border-color: var(--gdim); }
.copy-btn:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

.out-body {
  padding:    13px 14px;
  font-size:  12px;
  word-break: break-all;
  line-height: 1.7;
  min-height: 52px;
  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; }
}

/* ── 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;
}

/* ── 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; }