/* Mailer Muse — operator console
   Palette: ink base, signal-amber accent, cold data-cyan for metrics.
   Type: Space Grotesk (display), Inter (body), IBM Plex Mono (data/labels). */

:root{
  --ink-900:#0b0d10;
  --ink-850:#101318;
  --ink-800:#161a21;
  --ink-750:#1c212a;
  --ink-700:#232936;
  --line:#2a313d;
  --line-soft:#20262f;
  --text:#e6e9ee;
  --text-dim:#9aa3b2;
  --text-faint:#69727f;
  --amber:#ffb020;
  --amber-dim:#c78415;
  --cyan:#39d0d8;
  --green:#3ecf8e;
  --red:#f2555a;
  --violet:#9d8cff;
  --radius:10px;
  --radius-sm:7px;
  --shadow:0 1px 0 rgba(255,255,255,.03) inset, 0 10px 30px -12px rgba(0,0,0,.6);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--ink-900);color:var(--text);
  font-family:'Inter',system-ui,sans-serif;font-size:15px;line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;font-weight:700;letter-spacing:-.01em;margin:0}
.mono,.data{font-family:'IBM Plex Mono',monospace}

.skip{position:absolute;left:-999px;top:0;background:var(--amber);color:#000;padding:.6rem 1rem;border-radius:0 0 8px 0;z-index:100}
.skip:focus{left:0}

/* ── shell ── */
.shell{display:grid;grid-template-columns:232px 1fr;min-height:100vh}
.side{
  background:var(--ink-850);border-right:1px solid var(--line-soft);
  display:flex;flex-direction:column;padding:22px 16px;position:sticky;top:0;height:100vh;
}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 22px}
.brand-mark{width:22px;height:22px;border-radius:6px;background:
  radial-gradient(circle at 30% 30%,var(--amber),var(--amber-dim) 60%,#7a4f08);
  box-shadow:0 0 0 1px rgba(255,176,32,.35),0 0 18px -4px var(--amber)}
.brand-name{font-family:'Space Grotesk';font-weight:700;letter-spacing:-.02em;font-size:18px}
.nav{display:flex;flex-direction:column;gap:2px;margin-top:6px}
.nav-link{
  padding:9px 12px;border-radius:var(--radius-sm);color:var(--text-dim);
  font-size:14px;font-weight:500;letter-spacing:.01em;transition:background .14s,color .14s;
}
.nav-link:hover{background:var(--ink-750);color:var(--text)}
.nav-link.is-active{background:var(--ink-700);color:var(--text)}
.nav-link.is-active{box-shadow:inset 2px 0 0 var(--amber)}
.side-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line-soft)}
.who{display:flex;flex-direction:column;padding:6px 10px}
.who-name{font-weight:600;font-size:14px}
.who-role{font-family:'IBM Plex Mono';font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-faint)}
.logout{display:block;margin-top:6px;padding:8px 10px;font-size:13px;color:var(--text-dim);border-radius:6px}
.logout:hover{background:var(--ink-750);color:var(--red)}

.main{padding:34px 40px 60px;max-width:1280px;width:100%}

/* ── headings / page head ── */
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.page-head h1{font-size:30px}
.eyebrow{font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--amber);margin-bottom:8px}
.subtle{color:var(--text-dim);font-size:14px}

.flash{background:linear-gradient(180deg,var(--ink-750),var(--ink-800));border:1px solid var(--line);
  border-left:3px solid var(--green);padding:12px 16px;border-radius:var(--radius);margin-bottom:22px;font-size:14px}

/* ── cards ── */
.card{background:var(--ink-850);border:1px solid var(--line-soft);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-pad{padding:22px 24px}
.card-head{padding:18px 24px;border-bottom:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between;gap:14px}
.card-head h2{font-size:16px}

.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-5{grid-template-columns:repeat(5,1fr)}
.grid-6{grid-template-columns:repeat(6,1fr)}
@media(max-width:1080px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.grid-5{grid-template-columns:repeat(2,1fr)}.grid-6{grid-template-columns:repeat(3,1fr)}}

/* ── stat tiles ── */
.stat{background:var(--ink-850);border:1px solid var(--line-soft);border-radius:var(--radius);padding:18px 20px;position:relative;overflow:hidden}
.stat::after{content:"";position:absolute;inset:0 auto 0 0;width:3px;background:var(--cyan);opacity:.6}
.stat.amber::after{background:var(--amber)}
.stat.green::after{background:var(--green)}
.stat.red::after{background:var(--red)}
.stat.violet::after{background:var(--violet)}
.stat-label{font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--text-faint)}
.stat-value{font-family:'Space Grotesk';font-weight:700;font-size:34px;line-height:1.1;margin-top:8px;letter-spacing:-.02em}
.stat-sub{font-size:12px;color:var(--text-dim);margin-top:4px}

/* ── buttons ── */
.btn{
  display:inline-flex;align-items:center;gap:7px;justify-content:center;
  font-family:'Inter';font-weight:600;font-size:14px;line-height:1;cursor:pointer;
  padding:10px 16px;border-radius:8px;border:1px solid var(--line);background:var(--ink-750);color:var(--text);
  transition:background .14s,border-color .14s,transform .04s;min-height:40px;
}
.btn:hover{background:var(--ink-700);border-color:#37404f}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.btn-primary{background:var(--amber);border-color:var(--amber);color:#0b0d10}
.btn-primary:hover{background:#ffbf40;border-color:#ffbf40}
.btn-ghost{background:transparent}
.btn-sm{padding:6px 11px;min-height:32px;font-size:13px}
.btn-danger{color:var(--red);border-color:#4a2a2d}
.btn-danger:hover{background:#2a1618}
.btn-ok{color:var(--green);border-color:#264a38}
.btn-ok:hover{background:#132821}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ── forms ── */
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:500;margin-bottom:6px;color:var(--text-dim)}
.field .hint{font-size:12px;color:var(--text-faint);margin-top:5px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=url],select,textarea{
  width:100%;background:var(--ink-800);border:1px solid var(--line);color:var(--text);
  padding:10px 12px;border-radius:8px;font-family:inherit;font-size:14px;transition:border-color .14s,box-shadow .14s;
}
textarea{resize:vertical;min-height:120px;font-family:'IBM Plex Mono';font-size:13px;line-height:1.6}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(255,176,32,.14)}
.row{display:grid;gap:14px}
.row-2{grid-template-columns:1fr 1fr}
.row-3{grid-template-columns:1fr 1fr 1fr}
@media(max-width:720px){.row-2,.row-3{grid-template-columns:1fr}}

/* ── tables ── */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line-soft)}
table{width:100%;border-collapse:collapse;font-size:14px;background:var(--ink-850)}
thead th{
  text-align:left;font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--text-faint);font-weight:500;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--ink-800);white-space:nowrap;
}
tbody td{padding:13px 16px;border-bottom:1px solid var(--line-soft);vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--ink-800)}
.cell-strong{font-weight:600}
.cell-dim{color:var(--text-dim);font-size:13px}
.cell-mono{font-family:'IBM Plex Mono';font-size:13px}

/* ── badges ── */
.badge{display:inline-flex;align-items:center;gap:5px;font-family:'IBM Plex Mono';font-size:11px;font-weight:500;
  letter-spacing:.04em;text-transform:uppercase;padding:4px 9px;border-radius:20px;border:1px solid transparent}
.badge.pending{color:var(--amber);background:rgba(255,176,32,.1);border-color:rgba(255,176,32,.25)}
.badge.approved{color:var(--green);background:rgba(62,207,142,.1);border-color:rgba(62,207,142,.25)}
.badge.rejected{color:var(--text-dim);background:rgba(154,163,178,.08);border-color:var(--line)}
.badge.blacklisted{color:var(--red);background:rgba(242,85,90,.1);border-color:rgba(242,85,90,.28)}
.badge.sent{color:var(--cyan);background:rgba(57,208,216,.1);border-color:rgba(57,208,216,.25)}
.badge.replied{color:var(--green);background:rgba(62,207,142,.1);border-color:rgba(62,207,142,.25)}
.badge.draft{color:var(--text-dim);background:rgba(154,163,178,.08);border-color:var(--line)}
.badge.bounced,.badge.failed{color:var(--red);background:rgba(242,85,90,.1);border-color:rgba(242,85,90,.28)}
.flag{display:inline-block;font-family:'IBM Plex Mono';font-size:10px;color:var(--red);
  border:1px solid rgba(242,85,90,.3);border-radius:5px;padding:1px 6px;margin:1px 2px 1px 0;text-transform:uppercase;letter-spacing:.04em}

/* score meter */
.score{display:inline-flex;align-items:center;gap:8px}
.score-bar{width:54px;height:6px;border-radius:4px;background:var(--ink-700);overflow:hidden}
.score-fill{height:100%;border-radius:4px;background:linear-gradient(90deg,var(--red),var(--amber) 55%,var(--green))}
.score-num{font-family:'IBM Plex Mono';font-size:12px;color:var(--text-dim);min-width:22px}

/* toolbar / filters */
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:18px}
.toolbar .spacer{flex:1}
.chip-row{display:flex;gap:6px;flex-wrap:wrap}
.chip{padding:6px 12px;border-radius:20px;border:1px solid var(--line);font-size:13px;color:var(--text-dim);cursor:pointer;background:var(--ink-850)}
.chip.is-active{background:var(--ink-700);color:var(--text);border-color:#3a4351}
.chip.is-active[data-k="approved"]{border-color:rgba(62,207,142,.4);color:var(--green)}
.chip.is-active[data-k="pending"]{border-color:rgba(255,176,32,.4);color:var(--amber)}

/* progress */
.progress{height:8px;background:var(--ink-700);border-radius:6px;overflow:hidden}
.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--amber-dim),var(--amber));width:0;transition:width .3s}

/* empty state */
.empty{text-align:center;padding:56px 24px;color:var(--text-dim)}
.empty h3{font-size:18px;color:var(--text);margin-bottom:6px}
.empty p{max-width:420px;margin:0 auto 18px}

/* auth */
/* ── public landing page ── */
.landing{min-height:100vh;display:flex;flex-direction:column}
.landing-header{display:flex;align-items:center;justify-content:space-between;padding:22px 40px;border-bottom:1px solid var(--line-soft)}
.landing-header .brand{padding:0}
.hero{padding:96px 40px 64px;max-width:820px;margin:0 auto;text-align:center}
.hero .eyebrow{display:flex;justify-content:center}
.hero h1{font-size:44px;line-height:1.14;margin-bottom:18px}
.hero p.lead{font-size:17px;color:var(--text-dim);max-width:620px;margin:0 auto 32px}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.features{max-width:1080px;margin:0 auto;padding:20px 40px 96px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{background:var(--ink-850);border:1px solid var(--line-soft);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.feature-icon{width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:rgba(255,176,32,.12);color:var(--amber);font-size:17px;margin-bottom:14px}
.feature h3{font-size:15px;margin-bottom:6px}
.feature p{font-size:13px;color:var(--text-dim);line-height:1.6}
.landing-footer{margin-top:auto;padding:24px 40px;border-top:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--text-faint);font-size:12px}
@media(max-width:860px){.features{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.features{grid-template-columns:1fr}.hero h1{font-size:32px}.landing-header{padding:18px 20px}.hero{padding:56px 20px 48px}}

.auth{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(1200px 600px at 70% -10%,rgba(255,176,32,.06),transparent 60%),var(--ink-900)}
.auth-card{width:100%;max-width:380px}
.auth .brand{justify-content:center;padding-bottom:24px}
.auth h1{font-size:24px;text-align:center;margin-bottom:4px}
.auth .subtle{text-align:center;margin-bottom:24px}
.err{color:var(--red);font-size:13px;margin-bottom:14px;text-align:center}

/* draft review */
.draft-mail{background:var(--ink-800);border:1px solid var(--line);border-radius:8px;padding:16px 18px;
  font-family:'IBM Plex Mono';font-size:13px;line-height:1.7;white-space:pre-wrap;color:var(--text)}
.draft-subj{font-family:'Space Grotesk';font-weight:600;font-size:15px;margin-bottom:10px;color:var(--text)}
.convo{display:flex;flex-direction:column;gap:12px}
.bubble{border:1px solid var(--line-soft);border-radius:10px;padding:14px 16px;background:var(--ink-850)}
.bubble.out{border-left:3px solid var(--cyan)}
.bubble.in{border-left:3px solid var(--green)}
.bubble .meta{font-family:'IBM Plex Mono';font-size:11px;color:var(--text-faint);margin-bottom:6px}

.modal-back{position:fixed;inset:0;background:rgba(5,7,10,.72);display:none;place-items:center;z-index:50;padding:20px}
.modal-back.open{display:grid}
.modal{width:100%;max-width:680px;max-height:88vh;overflow:auto;background:var(--ink-850);border:1px solid var(--line);border-radius:14px}
.modal-head{padding:18px 22px;border-bottom:1px solid var(--line-soft);display:flex;justify-content:space-between;align-items:center}
.modal-body{padding:22px}
.x{background:none;border:none;color:var(--text-dim);font-size:22px;cursor:pointer;line-height:1;padding:4px}
.x:hover{color:var(--text)}

.flex{display:flex;gap:10px;align-items:center}
.mt{margin-top:18px}.mb{margin-bottom:18px}
.right{text-align:right}
small.mut{color:var(--text-faint)}

@media(max-width:860px){
  .shell{grid-template-columns:1fr}
  .side{position:static;height:auto;flex-direction:row;align-items:center;flex-wrap:wrap;padding:12px 16px;gap:10px}
  .brand{padding:0}
  .nav{flex-direction:row;flex-wrap:wrap;margin:0}
  .side-foot{margin:0 0 0 auto;padding:0;border:none;display:flex;gap:12px;align-items:center}
  .who{padding:0}
  .main{padding:24px 18px 48px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}