/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg:        #0d0f12;
  --bg2:       #13161b;
  --bg3:       #1a1e26;
  --border:    #252a35;
  --border2:   #2f3545;
  --text:      #e8eaf0;
  --text-muted:#7a8099;
  --text-dim:  #4a5068;
  --green:     #3ecf72;
  --green-bg:  #0f2d1c;
  --green-text:#3ecf72;
  --red:       #f05656;
  --red-bg:    #2d0f0f;
  --red-text:  #f05656;
  --amber:     #f5a623;
  --amber-bg:  #2d1e0a;
  --amber-text:#f5a623;
  --blue:      #4a9eff;
  --blue-bg:   #0a1e35;
  --blue-text: #4a9eff;
  --purple:    #a78bfa;
  --purple-bg: #1e1535;
  --purple-text:#a78bfa;
  --sidebar-w: 220px;
  --radius:    10px;
  --radius-sm: 6px;
}
html, body { height: 100%; }
body { font-family: 'Syne', sans-serif; background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.6; }
.mono { font-family: 'IBM Plex Mono', monospace; font-size: 13px; }
a { color: inherit; text-decoration: none; }

/* ── LAYOUT ── */
.layout { display: flex; min-height: 100vh; }

/* ── SIDEBAR ── */
.sidebar {
  width: var(--sidebar-w); background: var(--bg2); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; position: fixed; top: 0; left: 0; height: 100vh; z-index: 100;
}
.logo { display: flex; align-items: center; gap: 10px; padding: 20px 16px; border-bottom: 1px solid var(--border); }
.logo-icon { font-size: 22px; color: var(--blue); }
.logo-text { font-size: 14px; font-weight: 600; color: var(--text); letter-spacing: -0.01em; }
.logo-text strong { color: var(--blue); }
.nav { flex: 1; padding: 12px 8px; display: flex; flex-direction: column; gap: 2px; }
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 9px 10px;
  border-radius: var(--radius-sm); color: var(--text-muted); font-size: 13px; font-weight: 500;
  transition: all .15s;
}
.nav-item:hover { background: var(--bg3); color: var(--text); }
.nav-item.active { background: var(--blue-bg); color: var(--blue); }
.sidebar-footer { padding: 14px 16px; border-top: 1px solid var(--border); }
.version { font-size: 11px; color: var(--text-dim); font-family: 'IBM Plex Mono', monospace; }

/* ── MAIN ── */
.main { margin-left: var(--sidebar-w); flex: 1; padding: 0 32px 48px; min-height: 100vh; }

/* ── TOPBAR ── */
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 24px 0 20px; border-bottom: 1px solid var(--border); margin-bottom: 28px; }
.topbar h1 { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; }
.topbar-right { display: flex; align-items: center; gap: 8px; }
.status-dot { width: 8px; height: 8px; background: var(--green); border-radius: 50%; }
.status-dot.pulse { animation: pulse 1.5s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.3} }
.status-text { font-size: 13px; color: var(--text-muted); }

/* ── CARDS ── */
.card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 24px; margin-bottom: 20px; }

/* ── METRIC CARDS ── */
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 28px; }
.metric-card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; position: relative; overflow: hidden; }
.metric-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; }
.metric-card.accent-green::before { background: var(--green); }
.metric-card.accent-red::before   { background: var(--red); }
.metric-card.accent-amber::before { background: var(--amber); }
.metric-card.accent-blue::before  { background: var(--blue); }
.metric-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px; }
.metric-value { font-size: 28px; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 4px; }
.metric-sub { font-size: 12px; color: var(--text-dim); }

/* ── SECTION TITLE ── */
.section-title { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--text-dim); margin: 0 0 12px; }

/* ── QUICK ACTIONS ── */
.quick-actions { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.action-card { display: flex; align-items: center; gap: 16px; background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 20px; transition: border-color .15s, background .15s; }
.action-card:hover { border-color: var(--border2); background: var(--bg3); }
.action-icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.action-icon.green  { background: var(--green-bg);  color: var(--green); }
.action-icon.blue   { background: var(--blue-bg);   color: var(--blue); }
.action-icon.purple { background: var(--purple-bg); color: var(--purple); }
.action-info { flex: 1; }
.action-title { font-size: 14px; font-weight: 600; margin-bottom: 2px; }
.action-desc  { font-size: 12px; color: var(--text-muted); }
.action-arrow { color: var(--text-dim); flex-shrink: 0; }

/* ── DELIVERABILITY BAR ── */
.deliverability-card { }
.deliv-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.deliv-label  { font-size: 13px; color: var(--text-muted); }
.deliv-pct    { font-size: 24px; font-weight: 700; color: var(--green); }
.progress-track { height: 8px; background: var(--bg3); border-radius: 4px; overflow: hidden; margin-bottom: 12px; }
.progress-fill  { height: 100%; background: linear-gradient(90deg, var(--green), #2db85e); border-radius: 4px; transition: width 1s ease; }
.deliv-legend { display: flex; gap: 16px; flex-wrap: wrap; }
.leg { font-size: 12px; }
.leg.safe    { color: var(--green); }
.leg.risky   { color: var(--amber); }
.leg.invalid { color: var(--red); }
.leg.unknown { color: var(--text-muted); }

/* ── TABLE ── */
.table-card { padding: 0; overflow: hidden; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th { text-align: left; color: var(--text-muted); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--bg3); }
.data-table td { padding: 11px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: var(--bg3); }

/* ── BADGES ── */
.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; font-weight: 600; font-family: 'IBM Plex Mono', monospace; }
.badge.safe    { background: var(--green-bg);  color: var(--green); }
.badge.invalid { background: var(--red-bg);    color: var(--red); }
.badge.risky   { background: var(--amber-bg);  color: var(--amber); }
.badge.unknown { background: var(--bg3);       color: var(--text-muted); }

/* ── BUTTONS ── */
.btn-primary { background: var(--blue); color: #fff; border: none; border-radius: var(--radius-sm); padding: 10px 20px; font-size: 14px; font-weight: 600; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; font-family: 'Syne', sans-serif; transition: opacity .15s; }
.btn-primary:hover { opacity: .88; }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; }
.btn-secondary { background: var(--green-bg); color: var(--green); border: 1px solid var(--green); border-radius: var(--radius-sm); padding: 10px 20px; font-size: 14px; font-weight: 600; cursor: pointer; font-family: 'Syne', sans-serif; }
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border2); border-radius: var(--radius-sm); padding: 10px 20px; font-size: 14px; font-weight: 600; cursor: pointer; font-family: 'Syne', sans-serif; }
.btn-block { width: 100%; justify-content: center; }
.btn-sm { display: inline-block; background: var(--bg3); border: 1px solid var(--border2); border-radius: 4px; padding: 3px 10px; font-size: 12px; color: var(--text-muted); transition: color .15s; }
.btn-sm:hover { color: var(--text); }
.btn-sm.green { color: var(--green); border-color: var(--green-bg); }
.btn-sm.red   { color: var(--red);   border-color: var(--red-bg); }

/* ── UPLOAD / VERIFY PAGE ── */
.upload-card { }
.tabs { display: flex; gap: 4px; margin-bottom: 20px; }
.tab { background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px 16px; font-size: 13px; font-weight: 500; cursor: pointer; color: var(--text-muted); font-family: 'Syne', sans-serif; transition: all .15s; }
.tab.active { background: var(--blue-bg); border-color: var(--blue); color: var(--blue); }
.drop-zone {
  border: 2px dashed var(--border2); border-radius: var(--radius); padding: 48px 24px;
  text-align: center; cursor: pointer; transition: border-color .2s, background .2s;
  background: var(--bg3); margin-bottom: 20px;
}
.drop-zone:hover, .drop-zone.dragging { border-color: var(--blue); background: var(--blue-bg); }
.drop-icon { color: var(--text-dim); margin-bottom: 12px; }
.drop-label { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.drop-sub { font-size: 13px; color: var(--text-muted); }
.file-link { color: var(--blue); cursor: pointer; }
.drop-hint { font-size: 12px; color: var(--text-dim); margin-top: 8px; }
.selected-file { display: inline-block; margin-top: 12px; background: var(--bg); border: 1px solid var(--green-bg); color: var(--green); padding: 6px 14px; border-radius: var(--radius-sm); font-size: 13px; font-family: 'IBM Plex Mono', monospace; }
.paste-area { width: 100%; min-height: 220px; background: var(--bg3); border: 1px solid var(--border2); border-radius: var(--radius-sm); padding: 16px; color: var(--text); font-family: 'IBM Plex Mono', monospace; font-size: 13px; resize: vertical; margin-bottom: 8px; }
.paste-area:focus { outline: none; border-color: var(--blue); }
.paste-count { font-size: 12px; color: var(--blue); margin-bottom: 16px; }
.options-row { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.option-toggle { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.option-toggle input { display: none; }
.toggle-track { width: 36px; height: 20px; background: var(--bg3); border: 1px solid var(--border2); border-radius: 10px; position: relative; transition: background .2s; }
.option-toggle input:checked + .toggle-track { background: var(--blue); border-color: var(--blue); }
.toggle-thumb { position: absolute; top: 2px; left: 2px; width: 14px; height: 14px; background: var(--text-dim); border-radius: 50%; transition: left .2s, background .2s; }
.option-toggle input:checked + .toggle-track .toggle-thumb { left: 18px; background: #fff; }
.option-label { font-size: 13px; color: var(--text-muted); }
.option-label em { color: var(--text-dim); font-style: normal; }

/* ── INFO CARD (CHECK LIST) ── */
.info-card h3 { font-size: 14px; font-weight: 600; margin-bottom: 16px; }
.checks-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.check-item { display: flex; align-items: flex-start; gap: 10px; }
.check-icon { width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0; margin-top: 2px; }
.check-icon.green { background: var(--green-bg); color: var(--green); }
.check-item strong { font-size: 13px; font-weight: 600; display: block; }
.check-item p { font-size: 12px; color: var(--text-muted); }

/* ── PROGRESS PAGE ── */
.progress-card { }
.task-meta { display: flex; gap: 32px; margin-bottom: 28px; flex-wrap: wrap; }
.task-info { display: flex; flex-direction: column; gap: 2px; }
.task-label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .05em; }
.task-value { font-size: 14px; font-weight: 600; }
.progress-big { margin-bottom: 28px; }
.progress-labels { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }
.progress-track-big { height: 10px; background: var(--bg3); border-radius: 5px; overflow: hidden; margin-bottom: 8px; }
.progress-fill-big { height: 100%; background: linear-gradient(90deg, var(--blue), var(--green)); border-radius: 5px; transition: width .5s ease; }
.progress-sub { font-size: 12px; color: var(--text-dim); font-family: 'IBM Plex Mono', monospace; }
.live-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.live-stat { background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px 16px; text-align: center; }
.ls-value { font-size: 24px; font-weight: 700; font-family: 'IBM Plex Mono', monospace; }
.ls-label { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.live-stat.green .ls-value { color: var(--green); }
.live-stat.red   .ls-value { color: var(--red); }
.live-stat.amber .ls-value { color: var(--amber); }
.live-stat.gray  .ls-value { color: var(--text-muted); }

/* ── RESULT DONE ── */
.result-done { text-align: center; padding: 20px 0; }
.done-icon { width: 56px; height: 56px; background: var(--green-bg); color: var(--green); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; margin: 0 auto 16px; }
.result-done h2 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.result-done p  { color: var(--text-muted); margin-bottom: 24px; }
.done-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── SINGLE EMAIL RESULT ── */
.single-input-row { display: flex; gap: 10px; }
.email-input-big { flex: 1; background: var(--bg3); border: 1px solid var(--border2); border-radius: var(--radius-sm); padding: 12px 16px; color: var(--text); font-size: 15px; font-family: 'IBM Plex Mono', monospace; }
.email-input-big:focus { outline: none; border-color: var(--blue); }
.result-card-single { padding: 0; overflow: hidden; }
.result-header-single { display: flex; align-items: center; gap: 20px; padding: 24px; border-bottom: 1px solid var(--border); }
.result-header-single.safe    { background: var(--green-bg); }
.result-header-single.invalid { background: var(--red-bg); }
.result-header-single.risky   { background: var(--amber-bg); }
.result-header-single.unknown { background: var(--bg3); }
.result-status-big { flex-shrink: 0; }
.result-header-single.safe    .result-status-big { color: var(--green); }
.result-header-single.invalid .result-status-big { color: var(--red); }
.result-header-single.risky   .result-status-big { color: var(--amber); }
.result-status-info { flex: 1; }
.result-email-display { font-size: 18px; font-weight: 700; font-family: 'IBM Plex Mono', monospace; margin-bottom: 4px; }
.result-status-label  { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 4px; }
.result-detail        { font-size: 13px; color: var(--text-muted); }
.score-circle { width: 64px; height: 64px; border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 3px solid; }
.score-circle.safe    { border-color: var(--green); }
.score-circle.invalid { border-color: var(--red); }
.score-circle.risky   { border-color: var(--amber); }
.score-circle.unknown { border-color: var(--text-dim); }
.score-num { font-size: 20px; font-weight: 700; line-height: 1; }
.score-max { font-size: 10px; color: var(--text-dim); }
.score-label { font-size: 11px; color: var(--text-dim); text-align: center; margin-top: 4px; }
.checks-detail { padding: 20px 24px; border-bottom: 1px solid var(--border); }
.checks-detail h3 { font-size: 13px; font-weight: 600; margin-bottom: 14px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; }
.checks-table { display: flex; flex-direction: column; gap: 8px; }
.check-row { display: flex; justify-content: space-between; align-items: center; padding: 8px 12px; background: var(--bg3); border-radius: var(--radius-sm); }
.check-label { font-size: 13px; }
.check-result { font-family: 'IBM Plex Mono', monospace; font-size: 13px; font-weight: 600; }
.check-pass { color: var(--green); }
.check-fail { color: var(--red); }
.check-na   { color: var(--text-muted); }
.mx-section { padding: 20px 24px; border-bottom: 1px solid var(--border); }
.mx-section h3 { font-size: 13px; font-weight: 600; margin-bottom: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; }
.mx-list { display: flex; flex-direction: column; gap: 6px; }
.mx-item { display: flex; align-items: center; gap: 12px; padding: 8px 12px; background: var(--bg3); border-radius: var(--radius-sm); }
.mx-priority { font-size: 11px; background: var(--blue-bg); color: var(--blue); padding: 2px 8px; border-radius: 4px; font-family: 'IBM Plex Mono', monospace; font-weight: 600; }
.mx-host { font-size: 13px; }
.extra-data { padding: 20px 24px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.extra-item { display: flex; flex-direction: column; gap: 4px; }
.extra-label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .05em; }
.extra-value { font-size: 13px; font-weight: 500; }

/* ── HISTORY ── */
.mini-bar { display: flex; align-items: center; gap: 8px; }
.mini-bar > div { width: 60px; height: 5px; background: var(--bg3); border-radius: 3px; overflow: hidden; }
.mini-fill { height: 100%; background: var(--green); border-radius: 3px; }
.mini-bar span { font-size: 12px; color: var(--text-muted); }
.dl-buttons { display: flex; gap: 4px; }

/* ── EMPTY STATE ── */
.empty-state { text-align: center; padding: 48px 24px; }
.empty-icon { font-size: 40px; margin-bottom: 16px; }
.empty-state h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.empty-state p  { color: var(--text-muted); }

/* ── ALERT ── */
.alert { padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size: 13px; }
.alert-error { background: var(--red-bg); border: 1px solid var(--red); color: var(--red); }

/* ── PROGRESS TASK ── */
.progress-card .task-meta { border-bottom: 1px solid var(--border); padding-bottom: 20px; }

/* ── INPUTS GLOBAL ── */
input[type=email], input[type=text] {
  background: var(--bg3); border: 1px solid var(--border2); border-radius: var(--radius-sm);
  padding: 10px 14px; color: var(--text); font-size: 14px; font-family: 'Syne', sans-serif;
}
input:focus { outline: none; border-color: var(--blue); }