*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#0a0e17;--bg2:#111827;--bg3:#1a2236;--bg4:#243049;--fg:#e2e8f0;--fg2:#94a3b8;--fg3:#64748b;--accent:#06d6a0;--accent2:#118ab2;--red:#ef4444;--orange:#f97316;--yellow:#eab308;--green:#22c55e;--blue:#3b82f6;--border:#1e293b;--radius:12px}
html{font-size:15px;scroll-behavior:smooth}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--fg);min-height:100vh;line-height:1.6}
.container{max-width:1100px;margin:0 auto;padding:0 24px}

header{padding:40px 0 32px;text-align:center;background:linear-gradient(180deg,rgba(6,214,160,0.04) 0%,transparent 100%);border-bottom:1px solid var(--border)}
.logo{font-family:'JetBrains Mono',monospace;font-size:1.8rem;font-weight:700;letter-spacing:-0.5px;display:inline-flex;align-items:center;gap:12px}
.logo-icon{width:42px;height:42px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:#fff}
.tagline{color:var(--fg3);margin-top:6px;font-size:0.9rem}

/* Tabs */
.tabs{display:flex;gap:0;margin-top:24px;justify-content:center}
.tab{padding:10px 24px;font-size:0.85rem;font-weight:600;color:var(--fg3);cursor:pointer;border:1px solid var(--border);background:var(--bg2);transition:all 0.2s;font-family:inherit}
.tab:first-child{border-radius:8px 0 0 8px}.tab:last-child{border-radius:0 8px 8px 0}
.tab.active{background:var(--bg3);color:var(--accent);border-color:var(--accent)}
.tab-content{display:none}.tab-content.active{display:block}

/* Search */
.search-section{padding:40px 0 16px}
.search-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:28px 32px}
.input-row{display:flex;gap:12px;flex-wrap:wrap}
.input-group{flex:1;min-width:0}
.input-group label{display:block;font-size:0.75rem;text-transform:uppercase;letter-spacing:1px;color:var(--fg3);margin-bottom:6px;font-weight:600}
.input-group input,.input-group textarea{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:12px 16px;color:var(--fg);font-size:0.95rem;font-family:inherit;transition:border-color 0.2s}
.input-group input:focus,.input-group textarea:focus{outline:none;border-color:var(--accent)}
.input-group textarea{resize:vertical;min-height:80px;font-family:'JetBrains Mono',monospace;font-size:0.8rem}
.btn{padding:12px 32px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-weight:600;border:none;border-radius:8px;font-size:0.95rem;cursor:pointer;transition:transform 0.15s,box-shadow 0.2s;white-space:nowrap;font-family:inherit}
.btn:hover{transform:translateY(-1px);box-shadow:0 4px 20px rgba(6,214,160,0.3)}
.btn:disabled{opacity:0.5;cursor:not-allowed;transform:none}
.btn-sm{padding:8px 16px;font-size:0.8rem}
.btn-outline{background:transparent;border:1px solid var(--accent);color:var(--accent)}
.btn-outline:hover{background:rgba(6,214,160,0.1)}
.btn-row{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}

.advanced-toggle{margin-top:16px;display:inline-flex;align-items:center;gap:6px;color:var(--fg3);font-size:0.85rem;cursor:pointer;background:none;border:none;font-family:inherit}
.advanced-toggle:hover{color:var(--fg2)}
.advanced-panel{margin-top:16px;display:none;border-top:1px solid var(--border);padding-top:16px}
.advanced-panel.show{display:block}
.dkim-header-hint{color:var(--fg3);font-size:0.78rem;margin-top:4px}
.dkim-header-hint code{background:var(--bg3);padding:1px 5px;border-radius:3px;font-family:'JetBrains Mono',monospace;font-size:0.75rem;color:var(--fg2)}
.detected-hint{font-size:0.75rem;margin-top:6px;color:var(--accent);display:none;align-items:center;gap:6px;font-family:'JetBrains Mono',monospace;flex-wrap:wrap;word-break:break-all;max-width:100%;line-height:1.5}
.detected-hint.show{display:flex}
.detected-hint .dh-icon{font-size:0.9rem;flex-shrink:0}
.detected-hint .dh-action{color:var(--fg3);cursor:pointer;text-decoration:underline;margin-left:4px;flex-shrink:0;white-space:nowrap}
.detected-hint .dh-action:hover{color:var(--fg2)}

/* Loading */
.loading{text-align:center;padding:60px 20px;display:none}
.loading.show{display:block}
.spinner{width:48px;height:48px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin 0.8s linear infinite;margin:0 auto 16px}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-text{color:var(--fg3);font-size:0.9rem}
.loading-steps{margin-top:12px;color:var(--fg3);font-size:0.8rem;font-family:'JetBrains Mono',monospace}
.loading-step{opacity:0;animation:fadeIn 0.3s forwards}
@keyframes fadeIn{to{opacity:1}}

/* Results */
.results{display:none;padding-bottom:80px}
.results.show{display:block}

/* Score hero */
.score-hero{text-align:center;padding:48px 20px 40px}
.score-ring-container{position:relative;display:inline-block;margin-bottom:20px}
.score-ring{width:180px;height:180px;transform:rotate(-90deg)}
.score-ring-bg{fill:none;stroke:var(--bg3);stroke-width:8}
.score-ring-fg{fill:none;stroke-width:8;stroke-linecap:round;transition:stroke-dashoffset 1s ease-out,stroke 0.5s}
.score-value{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-family:'JetBrains Mono',monospace;font-size:2.8rem;font-weight:700}
.score-grade{font-size:0.85rem;color:var(--fg3);display:block;margin-top:2px;font-family:'JetBrains Mono',monospace;font-weight:600;letter-spacing:2px}
.score-label{font-size:1.3rem;font-weight:600;margin-top:4px}
.score-risk{font-size:0.85rem;color:var(--fg3);margin-top:4px}
.severity-badges{display:flex;gap:12px;justify-content:center;margin-top:20px;flex-wrap:wrap}
.sev-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 12px;border-radius:20px;font-size:0.78rem;font-weight:600;background:var(--bg3)}
.sev-badge .dot{width:8px;height:8px;border-radius:50%}
.sev-critical .dot{background:var(--red)}.sev-high .dot{background:var(--orange)}.sev-medium .dot{background:var(--yellow)}.sev-low .dot{background:var(--blue)}.sev-info .dot{background:var(--fg3)}.sev-pass .dot{background:var(--green)}

/* Check cards */
.checks-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px;margin-top:32px}
.check-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color 0.2s}
.check-card:hover{border-color:var(--bg4)}
.check-header{padding:16px 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);cursor:pointer}
.check-name{font-family:'JetBrains Mono',monospace;font-weight:600;font-size:0.9rem;display:flex;align-items:center;gap:8px}
.check-status{font-size:0.7rem;padding:3px 10px;border-radius:12px;font-weight:600;text-transform:uppercase;letter-spacing:0.5px}
.check-status.found{background:rgba(34,197,94,0.15);color:var(--green)}
.check-status.not_found{background:rgba(239,68,68,0.15);color:var(--red)}
.check-score{font-family:'JetBrains Mono',monospace;font-size:0.8rem;color:var(--fg3)}
.check-body{padding:0 20px 16px;display:none}
.check-card.open .check-body{display:block}
.check-card.open .check-chevron{transform:rotate(180deg)}
.check-chevron{transition:transform 0.2s;color:var(--fg3);font-size:0.8rem;margin-left:8px}

.raw-record{font-family:'JetBrains Mono',monospace;font-size:0.72rem;background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:10px 14px;margin-top:12px;word-break:break-all;color:var(--fg2);line-height:1.5;max-height:120px;overflow-y:auto}

.finding{margin-top:12px;padding:12px 14px;border-radius:8px;border-left:3px solid}
.finding.critical{border-color:var(--red);background:rgba(239,68,68,0.06)}
.finding.high{border-color:var(--orange);background:rgba(249,115,22,0.06)}
.finding.medium{border-color:var(--yellow);background:rgba(234,179,8,0.06)}
.finding.low{border-color:var(--blue);background:rgba(59,130,246,0.06)}
.finding.info{border-color:var(--fg3);background:rgba(100,116,139,0.06)}
.finding.pass{border-color:var(--green);background:rgba(34,197,94,0.06)}
.finding-title{font-weight:600;font-size:0.85rem;display:flex;align-items:center;gap:6px}
.finding-sev{font-size:0.65rem;text-transform:uppercase;font-weight:700;padding:2px 6px;border-radius:4px;letter-spacing:0.5px}
.finding-sev.critical{background:rgba(239,68,68,0.2);color:var(--red)}.finding-sev.high{background:rgba(249,115,22,0.2);color:var(--orange)}.finding-sev.medium{background:rgba(234,179,8,0.2);color:var(--yellow)}.finding-sev.low{background:rgba(59,130,246,0.2);color:var(--blue)}.finding-sev.info{background:rgba(100,116,139,0.2);color:var(--fg3)}.finding-sev.pass{background:rgba(34,197,94,0.2);color:var(--green)}
.finding-desc{font-size:0.82rem;color:var(--fg2);margin-top:4px}
.finding-rec{font-size:0.78rem;color:var(--accent);margin-top:6px;padding:6px 10px;background:rgba(6,214,160,0.06);border-radius:6px}
.finding-rec::before{content:"💡 "}

/* DKIM Validation */
.dkim-validation{margin-top:32px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.dkim-validation h3{font-family:'JetBrains Mono',monospace;font-size:1rem;margin-bottom:16px;display:flex;align-items:center;gap:8px}

/* Parsed grid */
.parsed-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;margin-top:12px}
.parsed-item{background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:8px 12px}
.parsed-item .lbl{font-size:0.65rem;text-transform:uppercase;color:var(--fg3);letter-spacing:0.5px}
.parsed-item .val{font-family:'JetBrains Mono',monospace;font-size:0.82rem;margin-top:2px;word-break:break-all}

/* Recommendation Panel */
.recommendation-panel{margin-top:32px;border-radius:var(--radius);overflow:hidden;border:2px solid var(--border)}
.rec-header{padding:24px 28px;display:flex;align-items:center;gap:16px}
.rec-header.rec-green{background:linear-gradient(135deg,rgba(34,197,94,0.12),rgba(34,197,94,0.04));border-bottom:2px solid rgba(34,197,94,0.3)}
.rec-header.rec-yellow{background:linear-gradient(135deg,rgba(234,179,8,0.12),rgba(234,179,8,0.04));border-bottom:2px solid rgba(234,179,8,0.3)}
.rec-header.rec-red{background:linear-gradient(135deg,rgba(239,68,68,0.12),rgba(239,68,68,0.04));border-bottom:2px solid rgba(239,68,68,0.3)}
.rec-icon{font-size:2.5rem;line-height:1}
.rec-verdict{font-family:'JetBrains Mono',monospace;font-size:1.4rem;font-weight:700}
.rec-verdict.green{color:var(--green)}.rec-verdict.yellow{color:var(--yellow)}.rec-verdict.red{color:var(--red)}
.rec-desc{font-size:0.9rem;color:var(--fg2);margin-top:4px;line-height:1.5}
.rec-body{padding:24px 28px;background:var(--bg2)}
.rec-section{margin-bottom:20px}.rec-section:last-child{margin-bottom:0}
.rec-section-title{font-family:'JetBrains Mono',monospace;font-size:0.78rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--fg3);margin-bottom:10px;display:flex;align-items:center;gap:6px}
.rec-item{padding:10px 14px;border-radius:8px;margin-bottom:8px;font-size:0.85rem;line-height:1.5;display:flex;align-items:flex-start;gap:10px}
.rec-item.blocker{background:rgba(239,68,68,0.08);border-left:3px solid var(--red)}
.rec-item.warning{background:rgba(234,179,8,0.08);border-left:3px solid var(--yellow)}
.rec-item.positive{background:rgba(34,197,94,0.08);border-left:3px solid var(--green)}
.rec-item-icon{font-size:1rem;flex-shrink:0;margin-top:1px}
.rec-rules{margin-top:20px}
.rec-rule{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:14px 18px;margin-bottom:10px}
.rec-rule-action{font-family:'JetBrains Mono',monospace;font-size:0.72rem;text-transform:uppercase;letter-spacing:1px;padding:3px 8px;border-radius:4px;display:inline-block;margin-bottom:6px;font-weight:700}
.rec-rule-action.alta{background:rgba(239,68,68,0.15);color:var(--red)}
.rec-rule-action.media,.rec-rule-action.média{background:rgba(234,179,8,0.15);color:var(--yellow)}
.rec-rule-action.baixa{background:rgba(59,130,246,0.15);color:var(--blue)}
.rec-rule-desc{font-size:0.88rem;line-height:1.5}
.rec-rule-scope{font-size:0.72rem;color:var(--fg3);margin-top:4px;font-family:'JetBrains Mono',monospace}
.rec-summary{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.rec-summary-chip{display:inline-flex;align-items:center;gap:5px;padding:5px 12px;border-radius:20px;font-size:0.78rem;font-weight:600;background:var(--bg);border:1px solid var(--border)}
.rec-summary-chip .chip-dot{width:8px;height:8px;border-radius:50%}
.chip-ok{background:var(--green)}.chip-warn{background:var(--yellow)}.chip-fail{background:var(--red)}.chip-na{background:var(--fg3)}

/* SPF Tree */
.spf-tree{margin-top:12px;font-family:'JetBrains Mono',monospace;font-size:0.75rem}
.spf-tree-node{padding:4px 0 4px 16px;border-left:2px solid var(--border);margin-left:8px}
.spf-tree-node:first-child{border-left-color:var(--accent)}
.spf-tree-domain{color:var(--accent);font-weight:600}
.spf-tree-ips{color:var(--fg3);font-size:0.7rem}

/* Bulk */
.bulk-section{padding:40px 0}
.bulk-textarea{width:100%;min-height:120px;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:12px 16px;color:var(--fg);font-family:'JetBrains Mono',monospace;font-size:0.82rem;resize:vertical}
.bulk-results{margin-top:24px}
.bulk-table{width:100%;border-collapse:collapse;font-size:0.82rem}
.bulk-table th{text-align:left;padding:10px 12px;background:var(--bg3);color:var(--fg2);font-size:0.72rem;text-transform:uppercase;letter-spacing:0.5px;border-bottom:2px solid var(--border)}
.bulk-table td{padding:10px 12px;border-bottom:1px solid var(--border)}
.bulk-table tr:hover td{background:var(--bg3)}
.verdict-chip{padding:3px 10px;border-radius:12px;font-size:0.72rem;font-weight:700;text-transform:uppercase}
.verdict-chip.green{background:rgba(34,197,94,0.15);color:var(--green)}
.verdict-chip.yellow{background:rgba(234,179,8,0.15);color:var(--yellow)}
.verdict-chip.red{background:rgba(239,68,68,0.15);color:var(--red)}
.yes{color:var(--green)}.no{color:var(--red)}

/* History */
.history-section{padding:40px 0}
.history-table{width:100%;border-collapse:collapse;font-size:0.85rem}
.history-table th{text-align:left;padding:10px 12px;background:var(--bg3);color:var(--fg2);font-size:0.72rem;text-transform:uppercase;border-bottom:2px solid var(--border)}
.history-table td{padding:10px 12px;border-bottom:1px solid var(--border)}
.history-table tr:hover td{background:var(--bg3)}
.history-table a{color:var(--accent)}

.error-msg{background:rgba(239,68,68,0.1);border:1px solid rgba(239,68,68,0.3);border-radius:8px;padding:16px 20px;margin-top:20px;color:var(--red);font-size:0.9rem;display:none}
.error-msg.show{display:block}

footer{text-align:center;padding:32px 0;color:var(--fg3);font-size:0.78rem;border-top:1px solid var(--border);margin-top:40px}
@media(max-width:768px){
  .container{padding:0 16px}
  .input-row{flex-direction:column;gap:10px}
  .input-group{width:100%}
  .btn{width:100%;padding:12px 22px;min-height:44px}
  .checks-grid{grid-template-columns:1fr}
  .score-ring{width:140px;height:140px}.score-value{font-size:2.2rem}
  .tabs{flex-wrap:wrap}
  .rec-header{padding:16px 18px;gap:10px}.rec-icon{font-size:1.8rem}
  .rec-body{padding:16px 18px}
  .ehp-identity{grid-template-columns:1fr}
  .ehp-received-table{display:block;overflow-x:auto;white-space:nowrap}
  .panel-link{top:12px;right:12px;font-size:0.72rem;padding:6px 10px}

  /* Bulk table → cards */
  .bulk-table{display:block;border:none;background:transparent}
  .bulk-table thead{display:none}
  .bulk-table tbody{display:block}
  .bulk-table tr{display:block;background:var(--bg2);border:1px solid var(--border);border-radius:10px;margin-bottom:10px;padding:12px 14px}
  .bulk-table td{display:flex;justify-content:space-between;align-items:center;padding:6px 0;border:none;font-size:0.84rem;gap:10px}
  .bulk-table td:before{content:attr(data-label);color:var(--fg3);font-size:0.7rem;text-transform:uppercase;letter-spacing:0.5px;font-weight:600}
}

@media(max-width:480px){
  .score-ring{width:120px;height:120px}.score-value{font-size:1.9rem}
  .score-label{font-size:1rem}
  .severity-badges{gap:6px}
  .sev-badge{font-size:0.68rem;padding:2px 8px}
  .rec-verdict{font-size:0.95rem}
  h1{font-size:1.4rem}
  .brand-tag{font-size:0.7rem}
  header{padding:16px 0}
}

/* Panel link (top-right) */
.panel-link{position:fixed;top:16px;right:16px;z-index:100;padding:8px 16px;border-radius:8px;font-size:0.8rem;font-weight:600;background:var(--bg3);border:1px solid var(--border);color:var(--fg2);transition:all 0.2s;font-family:inherit;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.panel-link:hover{background:var(--bg4);color:var(--fg);transform:translateY(-1px)}

/* Email header analysis panel */
.email-header-panel{margin-top:32px;background:var(--bg2);border:2px solid var(--border);border-radius:var(--radius);overflow:hidden}
.ehp-header{padding:20px 28px;display:flex;align-items:center;gap:16px}
.ehp-header.ehp-green{background:linear-gradient(135deg,rgba(34,197,94,0.12),rgba(34,197,94,0.04));border-bottom:2px solid rgba(34,197,94,0.3)}
.ehp-header.ehp-yellow{background:linear-gradient(135deg,rgba(234,179,8,0.12),rgba(234,179,8,0.04));border-bottom:2px solid rgba(234,179,8,0.3)}
.ehp-header.ehp-red{background:linear-gradient(135deg,rgba(239,68,68,0.12),rgba(239,68,68,0.04));border-bottom:2px solid rgba(239,68,68,0.3)}
.ehp-icon{font-size:2rem;line-height:1}
.ehp-verdict{font-family:'JetBrains Mono',monospace;font-size:1.2rem;font-weight:700}
.ehp-verdict.green{color:var(--green)}.ehp-verdict.yellow{color:var(--yellow)}.ehp-verdict.red{color:var(--red)}
.ehp-desc{font-size:0.85rem;color:var(--fg2);margin-top:3px}
.ehp-body{padding:24px 28px}

.ehp-identity{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;margin-bottom:20px}
.ehp-id-card{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:10px 14px}
.ehp-id-card .lbl{font-size:0.65rem;text-transform:uppercase;letter-spacing:1px;color:var(--fg3);font-weight:600}
.ehp-id-card .val{font-family:'JetBrains Mono',monospace;font-size:0.82rem;margin-top:3px;word-break:break-all;color:var(--fg)}
.ehp-id-card .domain-tag{display:inline-block;margin-top:4px;padding:2px 8px;border-radius:10px;font-size:0.7rem;font-weight:600}
.ehp-id-card .domain-tag.match{background:rgba(34,197,94,0.15);color:var(--green)}
.ehp-id-card .domain-tag.mismatch{background:rgba(239,68,68,0.15);color:var(--red)}
.ehp-id-card .domain-tag.partial{background:rgba(234,179,8,0.15);color:var(--yellow)}

.ehp-auth-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.ehp-auth-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:20px;font-size:0.8rem;font-weight:600;background:var(--bg);border:1px solid var(--border);font-family:'JetBrains Mono',monospace}
.ehp-auth-chip.pass{background:rgba(34,197,94,0.1);border-color:rgba(34,197,94,0.3);color:var(--green)}
.ehp-auth-chip.fail{background:rgba(239,68,68,0.1);border-color:rgba(239,68,68,0.3);color:var(--red)}
.ehp-auth-chip.warn{background:rgba(234,179,8,0.1);border-color:rgba(234,179,8,0.3);color:var(--yellow)}
.ehp-auth-chip.none{color:var(--fg3)}

.ehp-section-title{font-family:'JetBrains Mono',monospace;font-size:0.75rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--fg3);margin:20px 0 10px;font-weight:600}

.ehp-received-table{width:100%;border-collapse:collapse;font-size:0.78rem;font-family:'JetBrains Mono',monospace;margin-top:8px}
.ehp-received-table th{text-align:left;padding:8px 10px;background:var(--bg3);color:var(--fg2);font-size:0.68rem;text-transform:uppercase;letter-spacing:0.5px;border-bottom:2px solid var(--border)}
.ehp-received-table td{padding:8px 10px;border-bottom:1px solid var(--border);color:var(--fg2);word-break:break-all}
.ehp-received-table td.ehp-hop-num{font-weight:600;color:var(--accent);width:40px}
.ehp-received-table .ehp-ip{color:var(--accent2)}

.ehp-crosscheck{margin-top:16px}
.ehp-cc-item{padding:8px 14px;border-radius:6px;margin-bottom:6px;font-size:0.82rem;line-height:1.5;display:flex;gap:10px;align-items:flex-start}
.ehp-cc-item.match{background:rgba(34,197,94,0.06);border-left:3px solid var(--green)}
.ehp-cc-item.mismatch{background:rgba(239,68,68,0.06);border-left:3px solid var(--red)}
.ehp-cc-icon{flex-shrink:0}

.ehp-score-impact{display:inline-block;padding:4px 12px;border-radius:12px;font-family:'JetBrains Mono',monospace;font-size:0.8rem;font-weight:600;margin-left:auto}
.ehp-score-impact.negative{background:rgba(239,68,68,0.15);color:var(--red)}
.ehp-score-impact.neutral{background:var(--bg3);color:var(--fg3)}