/* ═══════════════════════════════════════════════════════════════
   Email Tools Kit — Professional UI v4.0
   Design system extracted from bulk verifier screenshots:
   • Light gray page bg (#F3F4F6)
   • Pure white cards with subtle shadow
   • Indigo (#4F46E5) progress & primary accents
   • Near-black (#111827) primary action buttons
   • Green / Orange / Red status system
   ═══════════════════════════════════════════════════════════════ */

.emailkit-root {
  /* ── Palette ── */
  --bg:         #F3F4F6;
  --card:       #FFFFFF;
  --border:     #E5E7EB;
  --border2:    #F3F4F6;
  --primary:    #4F46E5;
  --primary-lt: #EEF2FF;
  --dark:       #111827;
  --text:       #111827;
  --text2:      #6B7280;
  --text3:      #9CA3AF;

  /* Status tokens */
  --valid:      #15803D;
  --valid-bg:   #DCFCE7;
  --valid-bd:   #BBF7D0;
  --risky:      #B45309;
  --risky-bg:   #FEF3C7;
  --risky-bd:   #FDE68A;
  --bad:        #DC2626;
  --bad-bg:     #FEE2E2;
  --bad-bd:     #FECACA;

  /* ── Geometry ── */
  --r:        12px;
  --r-sm:      6px;
  --r-xs:      4px;
  --shadow:    0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.06);
  --font:      -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  background:  var(--bg);
  color:       var(--text);
  font-family: var(--font);
  font-size:   14px;
  line-height: 1.6;
  padding:     28px 20px;
  box-sizing:  border-box;
  min-height:  480px;
}
.emailkit-root * { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Loading screen ─────────────────────────────────────────── */
.ek-loading-screen {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; padding: 80px 0; color: var(--text2);
  font-size: 14px; gap: 14px;
}
.ek-spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: ek-spin .75s linear infinite;
}
@keyframes ek-spin { to { transform: rotate(360deg); } }

/* ── Tool navigation tabs ───────────────────────────────────── */
.ek-nav {
  display: flex; flex-wrap: wrap; gap: 2px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 4px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.ek-nav-tab {
  background: transparent;
  border: none;
  border-radius: var(--r-sm);
  color: var(--text2);
  cursor: pointer;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  padding: 7px 12px;
  transition: all .15s;
  white-space: nowrap;
}
.ek-nav-tab:hover { color: var(--primary); background: var(--primary-lt); }
.ek-nav-tab.active {
  background: var(--primary); color: #fff; font-weight: 600;
}

/* ── Card ───────────────────────────────────────────────────── */
.ek-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 16px;
}

/* ── Pill tabs (inside tools) ───────────────────────────────── */
.ek-pill-tabs {
  display: flex; gap: 4px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--r); padding: 4px;
  margin-bottom: 20px;
}
.ek-pill-tab {
  flex: 1; background: transparent; border: none;
  border-radius: var(--r-sm); color: var(--text2); cursor: pointer;
  font-family: var(--font); font-size: 13px; font-weight: 500;
  padding: 9px 16px; transition: all .2s; text-align: center;
}
.ek-pill-tab.active {
  background: var(--primary); color: #fff; font-weight: 600;
  box-shadow: 0 2px 8px rgba(79,70,229,.25);
}

/* ═══════════════════════════════════════════════════════════════
   UPLOAD ZONE (Screenshot 3 — "Upload Data File")
   ═══════════════════════════════════════════════════════════════ */
.ek-upload-zone {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; padding: 56px 24px 48px;
  text-align: center;
}
.ek-upload-icon-wrap {
  width: 72px; height: 72px; border-radius: 50%;
  background: #F3F4F6; display: flex; align-items: center;
  justify-content: center; margin-bottom: 20px;
  border: 1px solid var(--border);
}
.ek-upload-icon-wrap svg { color: var(--text2); }
.ek-upload-title {
  font-size: 20px; font-weight: 700; color: var(--text);
  margin-bottom: 10px;
}
.ek-upload-subtitle {
  font-size: 14px; color: var(--text2); max-width: 360px;
  line-height: 1.55; margin-bottom: 28px;
}
/* "Select File" dark button */
.ek-btn-dark {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--dark); color: #fff; border: none;
  border-radius: var(--r-sm); cursor: pointer;
  font-family: var(--font); font-size: 14px; font-weight: 600;
  padding: 11px 24px; transition: opacity .15s, transform .1s;
}
.ek-btn-dark:hover   { opacity: .88; }
.ek-btn-dark:active  { transform: scale(.97); }
.ek-btn-dark:disabled { opacity: .45; cursor: not-allowed; }
/* File-name chip shown after selection */
.ek-file-chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary-lt); border: 1px solid #C7D2FE;
  border-radius: 99px; padding: 6px 14px; font-size: 13px;
  color: var(--primary); font-weight: 500; margin-top: 14px;
}
.ek-file-chip button {
  background: none; border: none; cursor: pointer;
  color: var(--text3); font-size: 16px; line-height: 1; padding: 0;
}
.ek-file-chip button:hover { color: var(--bad); }
/* Drag-over state */
.ek-upload-zone.drag-over {
  background: var(--primary-lt);
  outline: 2px dashed var(--primary); outline-offset: -4px;
}

/* ═══════════════════════════════════════════════════════════════
   PROCESSING STATE (Screenshot 1)
   ═══════════════════════════════════════════════════════════════ */
.ek-processing-card {
  display: flex; align-items: center; gap: 32px;
  padding: 28px 32px;
}
/* Circular progress ring */
.ek-ring-wrap {
  flex-shrink: 0; position: relative;
  width: 140px; height: 140px;
}
.ek-ring-wrap svg { transform: rotate(-90deg); }
.ek-ring-track { fill: none; stroke: #E5E7EB; stroke-width: 10; }
.ek-ring-fill  {
  fill: none; stroke: var(--primary); stroke-width: 10;
  stroke-linecap: round;
  transition: stroke-dashoffset .6s ease;
}
.ek-ring-label {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
}
.ek-ring-pct {
  font-size: 30px; font-weight: 800; color: var(--text); line-height: 1;
}
.ek-ring-status {
  font-size: 10px; font-weight: 700; color: var(--text2);
  letter-spacing: .8px; text-transform: uppercase; margin-top: 4px;
}
/* Right side of processing card */
.ek-proc-info { flex: 1; min-width: 0; }
.ek-proc-filename {
  font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 4px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ek-proc-meta {
  font-size: 13px; color: var(--text2); margin-bottom: 12px;
  display: flex; align-items: center; gap: 12px;
}
.ek-active-badge {
  display: inline-flex; align-items: center; gap: 5px;
  background: #EFF6FF; border: 1px solid #BFDBFE;
  border-radius: 99px; padding: 2px 10px;
  font-size: 12px; font-weight: 600; color: #2563EB;
}
.ek-active-dot {
  width: 6px; height: 6px; border-radius: 50%; background: #3B82F6;
  animation: ek-pulse 1.5s ease-in-out infinite;
}
@keyframes ek-pulse { 0%,100%{opacity:1} 50%{opacity:.4} }
/* Step list */
.ek-steps { border-top: 1px solid var(--border2); }
.ek-step {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0; border-bottom: 1px solid var(--border2);
  font-size: 13px;
}
.ek-step:last-child { border-bottom: none; }
.ek-step-icon { width: 18px; height: 18px; flex-shrink: 0; }
.ek-step-name { flex: 1; color: var(--text2); }
.ek-step-status-done  { font-size: 12px; font-weight: 600; color: var(--valid); }
.ek-step-status-active { font-size: 12px; color: var(--text2); font-style: italic; }
.ek-step-status-wait  { font-size: 12px; color: var(--text3); }
/* Stats row at bottom of proc info */
.ek-proc-stats {
  display: flex; gap: 40px; margin-top: 14px; padding-top: 14px;
  border-top: 1px solid var(--border2);
}
.ek-proc-stat-label {
  font-size: 10px; font-weight: 700; letter-spacing: .6px;
  text-transform: uppercase; color: var(--text2); margin-bottom: 2px;
}
.ek-proc-stat-value {
  font-size: 18px; font-weight: 700; color: var(--text);
}
.ek-proc-stat-value span { font-size: 12px; font-weight: 400; color: var(--text2); margin-left: 3px; }
/* Processing action buttons */
.ek-proc-actions { display: flex; gap: 12px; justify-content: center; margin-top: 20px; }
.ek-btn-outline-dark {
  display: inline-flex; align-items: center; gap: 7px;
  background: #fff; color: var(--text); border: 1.5px solid var(--border);
  border-radius: var(--r-sm); cursor: pointer;
  font-family: var(--font); font-size: 14px; font-weight: 600;
  padding: 10px 22px; transition: all .15s;
}
.ek-btn-outline-dark:hover { border-color: var(--text); }

/* ═══════════════════════════════════════════════════════════════
   RESULTS STATE (Screenshot 2)
   ═══════════════════════════════════════════════════════════════ */
/* Results page header */
.ek-results-hdr {
  display: flex; align-items: flex-start; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; margin-bottom: 20px;
}
.ek-results-hdr-left {}
.ek-results-filename {
  font-size: 22px; font-weight: 800; color: var(--text); margin-bottom: 4px;
}
.ek-results-meta { font-size: 13px; color: var(--text2); display: flex; align-items: center; gap: 6px; }
.ek-results-hdr-right { display: flex; gap: 10px; flex-shrink: 0; }
.ek-btn-filter {
  display: inline-flex; align-items: center; gap: 6px;
  background: #fff; border: 1.5px solid var(--border); border-radius: var(--r-sm);
  color: var(--text); cursor: pointer; font-family: var(--font);
  font-size: 13px; font-weight: 600; padding: 9px 18px; transition: all .15s;
}
.ek-btn-filter:hover { border-color: var(--primary); color: var(--primary); }
.ek-btn-download {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--dark); color: #fff; border: none;
  border-radius: var(--r-sm); cursor: pointer; font-family: var(--font);
  font-size: 13px; font-weight: 600; padding: 9px 18px; transition: opacity .15s;
}
.ek-btn-download:hover { opacity: .85; }
.ek-btn-download:disabled { opacity: .5; cursor: not-allowed; }
/* Body: two-column layout */
.ek-results-body {
  display: grid; grid-template-columns: 220px 1fr; gap: 20px; align-items: start;
}
/* Left: health panel */
.ek-health-panel {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); box-shadow: var(--shadow); padding: 20px;
}
.ek-health-label {
  font-size: 10px; font-weight: 700; letter-spacing: .8px;
  text-transform: uppercase; color: var(--text2); margin-bottom: 16px;
  text-align: center;
}
.ek-donut-wrap { display: flex; justify-content: center; margin-bottom: 20px; position: relative; }
.ek-donut-center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.ek-donut-pct  { font-size: 26px; font-weight: 800; color: var(--text); line-height: 1; }
.ek-donut-word { font-size: 9px; font-weight: 700; letter-spacing: .6px; text-transform: uppercase; color: var(--text2); margin-top: 3px; }
.ek-legend { display: flex; flex-direction: column; gap: 10px; }
.ek-legend-item {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px;
}
.ek-legend-item-left { display: flex; align-items: center; gap: 8px; }
.ek-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.ek-dot-valid  { background: var(--valid); }
.ek-dot-risky  { background: var(--risky); }
.ek-dot-bad    { background: var(--bad); }
.ek-legend-count { font-weight: 600; color: var(--text); }
/* Right: results panel */
.ek-results-panel {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); box-shadow: var(--shadow); overflow: hidden;
}
/* Search + showing bar */
.ek-results-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--border); gap: 12px;
}
.ek-search-wrap { position: relative; flex: 1; max-width: 320px; }
.ek-search-wrap svg {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  color: var(--text3); pointer-events: none;
}
.ek-search-inp {
  width: 100%; padding: 8px 12px 8px 34px; border: 1px solid var(--border);
  border-radius: var(--r-sm); font-family: var(--font); font-size: 13px;
  color: var(--text); background: var(--bg); outline: none; transition: border-color .15s;
}
.ek-search-inp:focus { border-color: var(--primary); background: #fff; }
.ek-search-inp::placeholder { color: var(--text3); }
.ek-showing-label { font-size: 12px; font-weight: 600; color: var(--text2); white-space: nowrap; }
/* Status filter pills */
.ek-status-filters {
  display: flex; gap: 6px; padding: 10px 16px; border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.ek-sf-btn {
  background: var(--bg); border: 1.5px solid var(--border); border-radius: 99px;
  color: var(--text2); cursor: pointer; font-family: var(--font); font-size: 12px;
  font-weight: 500; padding: 4px 12px; transition: all .15s;
}
.ek-sf-btn:hover { border-color: var(--primary); color: var(--primary); }
.ek-sf-btn.active-valid  { background: var(--valid-bg);  border-color: var(--valid-bd);  color: var(--valid); }
.ek-sf-btn.active-risky  { background: var(--risky-bg);  border-color: var(--risky-bd);  color: var(--risky); }
.ek-sf-btn.active-bad    { background: var(--bad-bg);    border-color: var(--bad-bd);    color: var(--bad); }
.ek-sf-btn.active-all    { background: var(--primary); border-color: var(--primary); color: #fff; }
/* Results table header */
.ek-rtbl-head {
  display: grid; grid-template-columns: 1fr 110px 180px 50px;
  padding: 9px 16px; border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.ek-rtbl-th {
  font-size: 11px; font-weight: 700; letter-spacing: .5px;
  text-transform: uppercase; color: var(--text3);
}
/* Result row */
.ek-rrow { border-bottom: 1px solid var(--border2); }
.ek-rrow:last-child { border-bottom: none; }
.ek-rrow-main {
  display: grid; grid-template-columns: 1fr 110px 180px 50px;
  padding: 13px 16px; align-items: center; cursor: pointer;
  transition: background .1s;
}
.ek-rrow-main:hover { background: #FAFAFA; }
.ek-rrow-email {
  font-size: 14px; font-weight: 500; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  padding-right: 8px;
}
.ek-rrow-reason { font-size: 13px; color: var(--text2); }
.ek-rrow-reason.bad   { color: var(--bad); }
.ek-rrow-reason.risky { color: var(--risky); }
.ek-rrow-chevron { justify-self: end; color: var(--text3); transition: transform .2s; }
.ek-rrow-chevron.open { transform: rotate(180deg); }
/* Expanded detail sub-row */
.ek-rrow-detail {
  display: none; grid-template-columns: repeat(4, 1fr);
  gap: 12px; padding: 12px 16px 16px;
  background: #FAFBFF; border-top: 1px solid var(--border2);
}
.ek-rrow-detail.open { display: grid; }
.ek-detail-col {}
.ek-detail-col-label {
  font-size: 10px; font-weight: 700; letter-spacing: .5px;
  text-transform: uppercase; color: var(--text3); margin-bottom: 5px;
}
.ek-detail-col-value {
  display: flex; align-items: center; gap: 5px;
  font-size: 13px; font-weight: 500; color: var(--text);
}
.ek-detail-col-value.ok  { color: var(--valid); }
.ek-detail-col-value.bad { color: var(--bad); }
.ek-detail-col-value.na  { color: var(--text3); }
.ek-attr-chips { display: flex; flex-wrap: wrap; gap: 4px; }
.ek-attr-chip {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 4px; font-size: 11px; font-weight: 500;
  color: var(--text2); padding: 2px 7px;
}
/* Results footer */
.ek-results-footer {
  text-align: center; padding: 14px; border-top: 1px solid var(--border);
  font-size: 13px; color: var(--text2);
  display: flex; align-items: center; justify-content: center; gap: 12px;
}

/* Status badges */
.ek-badge {
  display: inline-flex; align-items: center;
  border-radius: 99px; font-size: 12px; font-weight: 600;
  padding: 3px 10px; white-space: nowrap;
}
.ek-badge-valid  { background: var(--valid-bg);  color: var(--valid); }
.ek-badge-risky  { background: var(--risky-bg);  color: var(--risky); }
.ek-badge-bad    { background: var(--bad-bg);     color: var(--bad); }
.ek-badge-grey   { background: var(--bg);         color: var(--text2); border: 1px solid var(--border); }
.ek-badge-blue   { background: #EFF6FF;            color: #2563EB; }
.ek-badge-purple { background: var(--primary-lt);  color: var(--primary); }

/* ═══════════════════════════════════════════════════════════════
   SHARED FORM COMPONENTS (all other tools)
   ═══════════════════════════════════════════════════════════════ */
.ek-tool-card { padding: 24px; }
.ek-tool-title {
  font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 4px;
}
.ek-tool-desc { font-size: 13px; color: var(--text2); margin-bottom: 20px; }
.ek-input {
  width: 100%; padding: 10px 14px; border: 1.5px solid var(--border);
  border-radius: var(--r-sm); font-family: var(--font); font-size: 14px;
  color: var(--text); background: #fff; outline: none; transition: border-color .15s;
}
.ek-input:focus  { border-color: var(--primary); }
.ek-input::placeholder { color: var(--text3); }
.ek-textarea {
  width: 100%; min-height: 130px; padding: 12px 14px;
  border: 1.5px solid var(--border); border-radius: var(--r-sm);
  font-family: 'Courier New', monospace; font-size: 13px; color: var(--text);
  background: #fff; resize: vertical; outline: none; transition: border-color .15s;
  line-height: 1.55;
}
.ek-textarea:focus { border-color: var(--primary); }
.ek-textarea::placeholder { color: var(--text3); font-family: var(--font); }
.ek-input-row {
  display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px;
}
.ek-input-row .ek-input { flex: 1; min-width: 180px; }
/* Primary indigo button */
.ek-btn {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--primary); color: #fff; border: none;
  border-radius: var(--r-sm); cursor: pointer;
  font-family: var(--font); font-size: 14px; font-weight: 600;
  padding: 10px 22px; transition: opacity .15s, transform .1s; white-space: nowrap;
}
.ek-btn:hover   { opacity: .88; }
.ek-btn:active  { transform: scale(.97); }
.ek-btn:disabled { opacity: .45; cursor: not-allowed; }
/* Ghost / secondary */
.ek-btn-ghost {
  display: inline-flex; align-items: center; gap: 7px;
  background: #fff; color: var(--text2); border: 1.5px solid var(--border);
  border-radius: var(--r-sm); cursor: pointer; font-family: var(--font);
  font-size: 13px; font-weight: 500; padding: 9px 18px; transition: all .15s;
}
.ek-btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
/* Upload divider */
.ek-upload-divider {
  display: flex; align-items: center; gap: 12px; margin: 16px 0;
}
.ek-upload-divider::before,
.ek-upload-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}
.ek-upload-divider span { font-size: 12px; color: var(--text3); font-weight: 500; white-space: nowrap; }
/* Inline file upload row */
.ek-file-row {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 4px;
}
.ek-file-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--primary-lt); border: 1px solid #C7D2FE;
  border-radius: 99px; padding: 5px 12px; font-size: 12px;
  color: var(--primary); font-weight: 500;
}
.ek-file-tag button { background: none; border: none; cursor: pointer; color: var(--text3); font-size: 14px; line-height: 1; padding: 0; }
.ek-file-tag button:hover { color: var(--bad); }

/* ── Mini progress bar (inline) ─────────────────────────────── */
.ek-prog-wrap { margin: 16px 0; }
.ek-prog-labels { display: flex; justify-content: space-between; font-size: 12px; color: var(--text2); margin-bottom: 6px; }
.ek-prog-bar { height: 6px; background: var(--border); border-radius: 99px; overflow: hidden; }
.ek-prog-fill { height: 100%; background: var(--primary); border-radius: 99px; transition: width .4s ease; }
/* Loading inline */
.ek-loading-inline {
  display: flex; align-items: center; gap: 10px;
  color: var(--text2); font-size: 13px; margin: 16px 0;
}
.ek-spinner-sm {
  width: 18px; height: 18px;
  border: 2px solid var(--border); border-top-color: var(--primary);
  border-radius: 50%; flex-shrink: 0;
  animation: ek-spin .75s linear infinite;
}
/* Alert */
.ek-alert {
  border-radius: var(--r-sm); font-size: 13px; padding: 11px 14px; margin: 10px 0;
}
.ek-alert-error   { background: var(--bad-bg);   color: var(--bad);   border: 1px solid var(--bad-bd);  }
.ek-alert-success { background: var(--valid-bg);  color: var(--valid); border: 1px solid var(--valid-bd);}
.ek-alert-info    { background: #EFF6FF;          color: #2563EB;      border: 1px solid #BFDBFE; }
.ek-alert-warn    { background: var(--risky-bg);  color: var(--risky); border: 1px solid var(--risky-bd);}

/* ── Generic results card ───────────────────────────────────── */
.ek-result-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); box-shadow: var(--shadow); overflow: hidden; margin-top: 16px;
}
.ek-result-hdr {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--border); flex-wrap: wrap; gap: 8px;
}
.ek-result-title { font-size: 15px; font-weight: 700; color: var(--text); }
.ek-result-actions { display: flex; gap: 8px; }
/* Stats summary row */
.ek-stats-row {
  display: flex; flex-wrap: wrap; gap: 10px; padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.ek-stat-box {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 10px 16px; text-align: center; min-width: 80px;
}
.ek-stat-n   { font-size: 22px; font-weight: 800; color: var(--primary); line-height: 1.1; }
.ek-stat-lbl { font-size: 11px; color: var(--text2); text-transform: uppercase; letter-spacing: .4px; }
/* Generic data table */
.ek-dtbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.ek-dtbl th {
  background: var(--bg); color: var(--text3); font-size: 11px; font-weight: 700;
  letter-spacing: .5px; padding: 9px 16px; text-align: left; text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}
.ek-dtbl td { padding: 11px 16px; border-bottom: 1px solid var(--border2); }
.ek-dtbl tr:last-child td { border-bottom: none; }
.ek-dtbl tr:hover td { background: #FAFAFA; }
/* Copy / Download */
.ek-copy-btn {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--bg); border: 1.5px solid var(--border);
  border-radius: var(--r-sm); color: var(--text2); cursor: pointer;
  font-family: var(--font); font-size: 12px; font-weight: 500; padding: 6px 12px; transition: all .15s;
}
.ek-copy-btn:hover { border-color: var(--primary); color: var(--primary); }
.ek-output-area {
  width: 100%; min-height: 120px; background: #FAFBFF; border: none;
  border-top: 1px solid var(--border); color: var(--text); font-family: 'Courier New', monospace;
  font-size: 13px; line-height: 1.6; padding: 14px 18px; resize: vertical; outline: none;
}
/* Select / format chooser */
.ek-select {
  padding: 9px 12px; border: 1.5px solid var(--border); border-radius: var(--r-sm);
  font-family: var(--font); font-size: 13px; color: var(--text); background: #fff;
  outline: none; cursor: pointer;
}
.ek-select:focus { border-color: var(--primary); }

/* ── MX table ───────────────────────────────────────────────── */
.ek-mx-wrap { padding: 4px 0; }
.ek-mx-domain { font-size: 13px; font-weight: 700; color: var(--text); margin: 0 0 2px; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width:700px) {
  .ek-results-body { grid-template-columns: 1fr; }
  .ek-processing-card { flex-direction: column; align-items: flex-start; }
  .ek-ring-wrap { align-self: center; }
  .ek-rtbl-head,
  .ek-rrow-main { grid-template-columns: 1fr 90px 28px; }
  .ek-rtbl-head .ek-rtbl-th:nth-child(3),
  .ek-rrow-main > *:nth-child(3) { display: none; }
  .ek-rrow-detail { grid-template-columns: 1fr 1fr; }
  .ek-results-hdr { flex-direction: column; }
  .ek-nav-tab { font-size: 11px; padding: 6px 9px; }
}