/* Mailtester - dark brand theme, matching mx/bl/dmarc.
   #0A2540 navy / #00D4FF cyan / #7C3AED purple. */
:root{--navy:#0A2540;--dark:#1a1a2e;--cyan:#00D4FF;--purple:#7C3AED;--pass:#34d399;--warn:#fbbf24;--fail:#f87171;--text:rgba(255,255,255,.85);--dim:rgba(255,255,255,.6);--border:rgba(0,212,255,.3);--card:rgba(255,255,255,.06)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:linear-gradient(135deg,var(--navy),var(--dark)) fixed;color:var(--text);min-height:100vh;line-height:1.6}
.grid{position:fixed;inset:0;pointer-events:none;z-index:0;background-image:linear-gradient(rgba(0,212,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.03) 1px,transparent 1px);background-size:48px 48px}
.top{position:relative;z-index:1;padding:18px 24px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand{color:#fff;font-weight:700;font-size:18px;text-decoration:none;font-family:'Times New Roman',Times,serif}
.brand span{color:var(--cyan)}
.wrap{max-width:760px;margin:0 auto;padding:0 20px 60px;position:relative;z-index:1}
.hero{text-align:center;padding:52px 0 8px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan);border:1px solid var(--border);border-radius:100px;padding:5px 14px;margin-bottom:20px;background:rgba(0,212,255,.06)}
h1{font-size:clamp(30px,5vw,46px);line-height:1.1;color:#fff;font-weight:800}
.grad{background:linear-gradient(90deg,#fff,var(--cyan));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sub{max-width:600px;margin:16px auto 0;color:var(--dim);font-size:17px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:28px;margin-top:24px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.card h2{font-size:20px;color:#fff;margin-bottom:8px}
.card p{color:var(--dim)}
.btn{display:inline-block;margin-top:16px;background:linear-gradient(135deg,var(--cyan),var(--purple));color:#fff;border:none;border-radius:12px;cursor:pointer;font-weight:700;font-size:16px;padding:14px 26px;box-shadow:0 10px 30px rgba(0,212,255,.3);text-decoration:none;transition:transform .2s}
.btn:hover{transform:translateY(-2px)}
.btn:disabled{opacity:.5;cursor:default;transform:none}
.btn-ghost{margin-top:10px;background:transparent;border:1px solid var(--border);color:var(--cyan);border-radius:10px;padding:8px 16px;cursor:pointer;font-size:14px}
.addr{font-family:'Courier New',monospace;font-size:17px;color:#fff;background:rgba(0,212,255,.08);border:1px solid var(--border);border-radius:12px;padding:14px 16px;margin:6px 0 4px;word-break:break-all}
.fine{font-size:14px;color:rgba(255,255,255,.5);margin-top:12px}
.hidden{display:none}
.waiting{text-align:center;padding:24px}
.spinner{width:34px;height:34px;border:3px solid rgba(0,212,255,.2);border-top-color:var(--cyan);border-radius:50%;margin:0 auto 12px;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.scorewrap{text-align:center;padding:8px 0 18px}
.scorebig{font-size:64px;font-weight:800;color:#fff;line-height:1}
.scoremax{font-size:28px;color:var(--dim)}
.scorelabel{color:var(--dim);margin-top:6px}
.breakdown{width:100%;border-collapse:collapse}
.breakdown td{padding:11px 8px;border-top:1px solid rgba(255,255,255,.08);font-size:15px;vertical-align:top}
.breakdown td:first-child{width:26px;font-weight:700}
.breakdown .detail{color:var(--dim);font-size:14px}
.breakdown .pass{color:var(--pass)}.breakdown .warn{color:var(--warn)}.breakdown .fail{color:var(--fail)}
.cta{margin-top:22px;padding:18px;background:var(--navy);border-radius:12px;text-align:center;color:#fff}
.cta .btn{margin-top:12px}
.content{margin-top:44px}
.content h2{font-size:22px;color:#fff;margin-bottom:12px}
.checks{list-style:none}
.checks li{color:var(--dim);margin:0 0 10px;padding-left:22px;position:relative}
.checks li::before{content:"";position:absolute;left:4px;top:10px;width:7px;height:7px;border-radius:50%;background:var(--cyan)}
.checks b{color:#fff}
.foot{position:relative;z-index:1;text-align:center;padding:26px;color:rgba(255,255,255,.5);font-size:13px;border-top:1px solid rgba(255,255,255,.08)}
.foot a{color:var(--purple)}

/* ---- mail-tester-style result panels (Phase 7 parity) ---- */
.panels{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.panel{border:1px solid var(--border);border-radius:12px;background:rgba(255,255,255,.04);overflow:hidden}
.panel-head{width:100%;display:flex;align-items:center;gap:12px;padding:14px 16px;background:transparent;border:none;cursor:pointer;color:#fff;font-size:15px;text-align:left}
.panel-head:hover{background:rgba(0,212,255,.05)}
.panel-title{flex:1;font-weight:600}
.chev{color:var(--cyan);font-size:12px;transition:transform .2s;display:inline-block}
.panel.open .chev{transform:rotate(90deg)}
.chip{font-weight:700;font-size:13px;padding:3px 10px;border-radius:8px;min-width:34px;text-align:center}
.chip.pass{background:rgba(52,211,153,.15);color:var(--pass)}
.chip.warn{background:rgba(251,191,36,.15);color:var(--warn)}
.chip.fail{background:rgba(248,113,113,.15);color:var(--fail)}
.ic{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:6px;font-size:13px;font-weight:700;flex:0 0 auto}
.ic.pass{background:rgba(52,211,153,.15);color:var(--pass)}
.ic.warn{background:rgba(251,191,36,.15);color:var(--warn)}
.ic.fail{background:rgba(248,113,113,.15);color:var(--fail)}
.ic.dim{background:rgba(255,255,255,.08);color:var(--dim)}
.panel-body{padding:6px 16px 16px;border-top:1px solid rgba(255,255,255,.06)}
.pdesc{color:var(--dim);font-size:14px;margin:12px 0}
.pdesc b{color:#fff}
.item{display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-top:1px solid rgba(255,255,255,.05);font-size:14px}
.item b{color:#fff;font-weight:600}
.idet{color:var(--dim)}
.rule{display:flex;gap:12px;padding:9px 0;border-top:1px solid rgba(255,255,255,.05);font-size:13px}
.rscore{flex:0 0 52px;text-align:right;font-family:'Courier New',monospace;color:var(--dim)}
.rscore.neg{color:var(--fail)}.rscore.pos{color:var(--pass)}
.rbody{color:var(--text)}
.rbody code{color:var(--cyan);font-size:12px}
.rnote{display:block;color:var(--dim);margin-top:3px}
.zones{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:6px 18px;margin-top:8px}
.zone{font-size:13px;color:var(--text)}
.zst{font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.03em}
.zst.pass{color:var(--pass)}.zst.warn{color:var(--warn)}.zst.fail{color:var(--fail)}

/* ---- message viewer + shareable page (Phase 7 items 1/7/9) ---- */
.sharebar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:14px 0 4px;font-size:13px;color:var(--dim)}
.shareurl{flex:1;min-width:200px;background:rgba(0,212,255,.06);border:1px solid var(--border);border-radius:8px;color:#fff;padding:8px 10px;font-family:'Courier New',monospace;font-size:12px}
.msghead{display:flex;flex-direction:column;gap:4px;margin:12px 0;font-size:14px;color:var(--text)}
.msghead div{display:flex;gap:8px}
.msghead div span{flex:0 0 96px;color:var(--dim);font-size:12px;text-transform:uppercase;letter-spacing:.03em;padding-top:1px}
.tabs{display:flex;gap:4px;border-bottom:1px solid rgba(255,255,255,.1);margin:12px 0 0}
.tab{background:transparent;border:none;color:var(--dim);padding:8px 14px;cursor:pointer;font-size:14px;border-bottom:2px solid transparent;margin-bottom:-1px}
.tab:hover{color:#fff}
.tab.active{color:var(--cyan);border-bottom-color:var(--cyan)}
.tabpane{padding:14px 0}
.imgbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:rgba(251,191,36,.08);border:1px solid rgba(251,191,36,.25);border-radius:8px;padding:8px 12px;margin-bottom:10px;font-size:13px;color:var(--warn)}
.imgbar .btn-ghost{margin:0}
.msgframe{width:100%;height:360px;border:1px solid var(--border);border-radius:8px;background:#fff}
.mono{background:rgba(0,0,0,.25);border:1px solid rgba(255,255,255,.08);border-radius:8px;padding:12px;font-family:'Courier New',monospace;font-size:12px;color:var(--text);white-space:pre-wrap;word-break:break-word;max-height:360px;overflow:auto}
.mono.src{white-space:pre;max-height:420px}
.hdr{display:flex;gap:10px;padding:6px 0;border-top:1px solid rgba(255,255,255,.05);font-size:13px;word-break:break-word}
.hdr code{flex:0 0 150px;color:var(--cyan);font-size:12px;text-transform:lowercase}
.hdr.auth code{color:var(--pass)}
.hdr span{color:var(--text);flex:1}

/* blocklist tiering: inconclusive zones + delist links */
.zst.dim{color:var(--dim)}
.zone .delist{color:var(--cyan);font-size:11px;margin-left:4px;text-decoration:underline}