/* MailGN — premium light-blue + white design system (AcquireIQ-aligned): bright white/pale-blue
   foundation, restrained azure accent, dark navy text for contrast, subtle borders and shadows,
   airy but controlled spacing. Vanilla CSS, no build step, no framework. */

:root{
  /* Restrained azure/blue accent — used deliberately for CTAs, active states, focus, eyebrow labels. */
  --accent:#2f6feb;--accent-600:#2459cf;--accent-700:#1c47a8;--accent-ink:#1d4ed8;
  --accent-50:#eef4ff;--accent-100:#dce9fd;

  /* Faintly blue-tinted neutral scale — carries the interface structure and body text */
  --gray-25:#f8fafc;--gray-50:#f2f6fb;--gray-100:#e8eef7;--gray-200:#d9e2ee;--gray-300:#c2cede;
  --gray-400:#95a1b5;--gray-500:#6b7791;--gray-600:#4c5771;--gray-700:#333c53;--gray-800:#1c2438;--gray-900:#0f1729;

  /* White + very light blue foundation, soft blue-gray page background */
  --bg:#eef2f9;--surface:#ffffff;--surface-sunken:#f6f9fd;
  --side-bg:#fbfdff;--side-line:#e6edf7;
  --line:#e0e7f2;--line-strong:#c7d3e6;
  --text:#101a2e;--muted:#5c6884;--muted2:#8b96ac;

  --green:#0a7a4f;--green-bg:#eaf6f0;--green-text:#0a6942;--green-line:#c9e8d9;
  --red:#c0392b;--red-bg:#fdedec;--red-text:#b3392c;--red-line:#f3d3cf;
  --amber:#b07a12;--amber-bg:#fbf1de;--amber-text:#93650d;--amber-line:#efdcb3;
  --blue:#2a5aa6;--blue-bg:#eaf1fb;--blue-text:#254e8f;--blue-line:#ccdcf2;
  --gray-bg:#eef1f6;--gray-text:#54607a;

  /* Clean, modern SaaS surfaces — controlled rounding, not bubbly */
  --radius-lg:14px;--radius:10px;--radius-sm:8px;--radius-xs:6px;
  --shadow-xs:0 1px 2px rgba(16,26,46,.04);
  --shadow-sm:0 2px 8px rgba(16,26,46,.06);
  --shadow-md:0 10px 28px rgba(16,26,46,.09);

  /* Spacing rhythm — one scale, used deliberately instead of ad hoc pixel values */
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:20px;--sp-6:24px;--sp-7:32px;--sp-8:40px;--sp-9:56px;--sp-10:72px;

  --sidebar-w:260px;--topbar-h:72px;--content-max:1220px;
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  background:var(--bg);color:var(--text);font-size:15px;line-height:1.55;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:var(--accent-ink);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-weight:700;letter-spacing:-.01em;color:var(--gray-900)}
strong,b{font-weight:700}
:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.icon{display:inline-block;vertical-align:middle;flex-shrink:0}

/* ---------- Shell ---------- */
.app{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh}
.side{
  background:var(--side-bg);color:var(--gray-600);padding:0 0 var(--sp-5);position:sticky;top:0;
  height:100vh;overflow-y:auto;display:flex;flex-direction:column;border-right:1px solid var(--side-line);
}
.brand{display:flex;align-items:center;gap:12px;padding:var(--sp-6) var(--sp-5) var(--sp-5);border-bottom:1px solid var(--side-line);margin-bottom:var(--sp-4)}
.brand-mark{width:34px;height:34px;border-radius:var(--radius-sm);background:var(--accent);display:grid;place-items:center;flex:none;box-shadow:var(--shadow-sm)}
.brand-mark .icon{color:#fff}
.brand-word{display:flex;flex-direction:column;line-height:1.1}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--gray-900);display:block}
.brand-sub{display:block;font-size:10px;font-weight:700;color:var(--accent-ink);letter-spacing:.14em;text-transform:uppercase;margin-top:4px}

.nav{display:flex;flex-direction:column;gap:2px;padding:0 var(--sp-3)}
.nav-label{font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted2);padding:var(--sp-4) var(--sp-3) var(--sp-2)}
.nav a{display:flex;align-items:center;gap:12px;padding:11px 13px;border-left:3px solid transparent;border-radius:0 var(--radius-xs) var(--radius-xs) 0;font-weight:600;font-size:13.5px;color:var(--gray-600);transition:background .12s ease,color .12s ease,border-color .12s ease}
.nav a .icon{color:var(--gray-400);transition:color .12s ease}
.nav a span{white-space:nowrap}
.nav a:hover{background:var(--accent-50);color:var(--accent-ink);text-decoration:none}
.nav a:hover .icon{color:var(--accent)}
.nav a.active{background:var(--accent-50);color:var(--accent-ink);border-left-color:var(--accent);font-weight:700}
.nav a.active .icon{color:var(--accent)}
.side-foot{margin-top:auto;padding:var(--sp-4) var(--sp-5) 0;border-top:1px solid var(--side-line);font-size:11px;color:var(--muted2)}

.main{min-width:0}
.top{
  min-height:var(--topbar-h);background:var(--surface);
  border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;
  padding:0 var(--sp-7);position:sticky;top:0;z-index:5;gap:var(--sp-4);flex-wrap:wrap;
  box-shadow:var(--shadow-xs);
}
.workspace-cluster{display:flex;align-items:center;gap:var(--sp-3);border:1px solid var(--line);border-radius:var(--radius-sm);padding:6px 8px 6px 14px;background:var(--gray-25)}
.workspace-cluster-label{font-size:10px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted2);white-space:nowrap}
.workspace-select{
  appearance:none;border:0;background:transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235c6884' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 4px center;
  padding:6px 26px 6px 4px;font-weight:700;font-size:13.5px;color:var(--text);cursor:pointer;min-width:150px;
}
.workspace-select:hover{color:var(--accent-ink)}
.workspace-select:focus{outline:none}

.top-right{display:flex;align-items:stretch;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--gray-25);overflow:hidden}
.account-chip{display:flex;align-items:center;gap:10px;padding:6px 14px}
.account-avatar{width:30px;height:30px;border-radius:var(--radius-xs);background:var(--accent);color:#fff;display:grid;place-items:center;font-size:11.5px;font-weight:700;flex:none;letter-spacing:0}
.account-meta{display:flex;flex-direction:column;line-height:1.3}
.account-name{font-size:13px;font-weight:700;color:var(--text);display:block}
.account-role{font-size:11px;color:var(--muted);display:block}
.top-divider{width:1px;align-self:stretch;background:var(--line-strong);margin:8px 0}
.signout{display:flex;align-items:center;gap:7px;font-weight:600;font-size:13px;color:var(--muted);padding:6px 14px;transition:background .12s ease,color .12s ease}
.signout:hover{color:var(--accent-ink);background:var(--accent-50);text-decoration:none}

.content{padding:var(--sp-8) var(--sp-7) var(--sp-9);max-width:var(--content-max);margin:auto}

/* ---------- Typography / basics ---------- */
.page-head{margin-bottom:var(--sp-7)}
.eyebrow{display:flex;align-items:center;gap:7px;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.12em;color:var(--accent-ink);margin:0 0 10px}
.eyebrow::before{content:'';width:16px;height:2px;background:var(--accent);flex:none}
.title{font-size:32px;margin:0 0 10px;letter-spacing:-.02em;font-weight:800;line-height:1.15;color:var(--gray-900)}
.sub{color:var(--muted);margin:0;max-width:680px;line-height:1.65;font-size:15px}
.muted{color:var(--muted);font-size:13px}
.muted.small,.small{font-size:12px}
.mono{font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}
.req{color:var(--red)}
.breadcrumb{font-size:12.5px;font-weight:600;color:var(--muted);margin:0 0 14px;display:flex;align-items:center;gap:5px;text-transform:uppercase;letter-spacing:.03em}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent-ink)}

/* ---------- Cards / grids ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:var(--sp-6);box-shadow:var(--shadow-xs)}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--sp-4)}
.metrics-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.growth-snapshot,.growth-audience-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.metric{display:flex;flex-direction:column;gap:0;padding:var(--sp-5) var(--sp-6)}
.metric-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--sp-4)}
.metric-icon{width:32px;height:32px;border-radius:var(--radius-xs);background:var(--accent-50);color:var(--accent-600);display:grid;place-items:center;flex:none}
.metric span{color:var(--muted);font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.07em}
.metric b{display:block;font-size:34px;letter-spacing:-.02em;font-weight:800;color:var(--gray-900);line-height:1}
.split{display:grid;grid-template-columns:1.25fr .75fr;gap:var(--sp-5)}
.audience-split{grid-template-columns:1.15fr .85fr}
.mode-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-5)}
.primary-task{border-color:var(--accent-100)}
.step-label{display:inline-flex;align-items:center;gap:6px;background:transparent;color:var(--accent-ink);border:1px solid var(--accent-100);border-radius:var(--radius-xs);padding:4px 10px;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px}
.card h2{margin:0 0 8px;font-size:20px;font-weight:800;letter-spacing:-.01em}
.card h3{margin:0 0 var(--sp-5);font-size:16px;font-weight:700;letter-spacing:-.005em}
.section-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:var(--sp-5)}
.section-head h3,.section-head h2{margin:0}

/* ---------- Growth: Do This Next hero card ---------- */
.do-next-card{display:flex;align-items:flex-start;gap:18px;border-color:var(--accent-100);background:linear-gradient(135deg,var(--accent-50),var(--surface) 65%)}
.do-next-icon{width:48px;height:48px;border-radius:var(--radius-sm);background:var(--accent);color:#fff;display:grid;place-items:center;flex:none;box-shadow:var(--shadow-sm)}
.do-next-body{flex:1;min-width:0}
.do-next-body .step-label{background:var(--surface)}
.do-next-body h2{margin:0 0 6px}
.do-next-actions{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}

/* ---------- CTAs ---------- */
.cta-row{display:flex;gap:var(--sp-3);margin-top:var(--sp-6);flex-wrap:wrap}
.cta-primary,.cta-secondary{padding:13px 24px;font-size:14px}

/* ---------- Buttons ---------- */
.btn{
  border:1px solid transparent;background:var(--accent);color:#fff;border-radius:var(--radius-sm);
  padding:11px 18px;font-weight:700;font-size:13.5px;cursor:pointer;display:inline-flex;align-items:center;
  justify-content:center;gap:8px;transition:background .12s ease,border-color .12s ease,color .12s ease,transform .05s ease,box-shadow .12s ease;
  font-family:inherit;letter-spacing:.01em;box-shadow:var(--shadow-xs);
}
.btn:hover{background:var(--accent-600);text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.secondary{background:var(--surface);color:var(--text);border-color:var(--line-strong);box-shadow:none}
.btn.secondary:hover{background:var(--gray-50);border-color:var(--gray-400)}
.btn.ghost{background:transparent;color:var(--muted);border-color:transparent;box-shadow:none}
.btn.ghost:hover{background:var(--gray-100);color:var(--text)}
.btn.danger{background:var(--red-bg);color:var(--red-text);border-color:var(--red-line);box-shadow:none}
.btn.danger:hover{background:#f9dfdb}
.btn.small{padding:8px 13px;font-size:12px}
.btn.block{width:100%}
.send-primary{width:100%;padding:15px 16px;font-size:14.5px}

/* ---------- Forms ---------- */
.form{display:grid;gap:var(--sp-5)}
.form-inline{display:flex;gap:var(--sp-3);align-items:center;flex-wrap:wrap}
.row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-4)}
label{font-size:12.5px;font-weight:700;color:var(--gray-700);display:block;margin-bottom:7px;letter-spacing:.01em}
input,select,textarea{
  width:100%;border:1px solid var(--line-strong);border-radius:var(--radius-sm);padding:11px 14px;
  font:inherit;font-size:14.5px;background:var(--surface);color:var(--text);transition:border-color .12s ease,box-shadow .12s ease;
}
input::placeholder,textarea::placeholder{color:var(--muted2)}
input:hover,select:hover,textarea:hover{border-color:var(--gray-400)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-50)}
input:disabled{background:var(--gray-50);color:var(--muted)}
textarea{min-height:150px;resize:vertical;line-height:1.6}
.short-textarea{min-height:90px}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;font-weight:600;color:var(--gray-700);cursor:pointer;margin:2px 0;line-height:1.5}
.check-row input{width:17px;height:17px;margin-top:2px;accent-color:var(--accent-600)}
.field-hint{font-size:12px;color:var(--muted);margin-top:7px;line-height:1.55}
.settings-card{max-width:760px}

select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235c6884' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}

/* Native file inputs retain too much browser/OS character by default — restyle the button portion to
   match the rest of the control system instead of leaving the raw OS control untouched. */
input[type=file]{border-style:dashed;padding:9px 12px;font-size:13px;color:var(--muted)}
input[type=file]::file-selector-button{
  border:1px solid var(--line-strong);background:var(--gray-50);color:var(--text);border-radius:var(--radius-xs);
  padding:8px 14px;font-weight:700;font-size:12.5px;margin-right:12px;cursor:pointer;font-family:inherit;transition:background .12s ease;
}
input[type=file]::file-selector-button:hover{background:var(--gray-100);border-color:var(--gray-400)}
input[type=date],input[type=time]{color:var(--text)}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);margin:-1px}
.table{width:100%;border-collapse:collapse;min-width:640px}
.table th,.table td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);font-size:13.5px;vertical-align:middle}
.table th{font-size:10.5px;text-transform:uppercase;color:var(--muted);letter-spacing:.07em;font-weight:800;background:var(--gray-50)}
.table tbody tr{transition:background .1s ease}
.table tbody tr:hover{background:var(--accent-50)}
.table tr:last-child td{border-bottom:0}
.row-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.detail-actions{margin-top:var(--sp-5)}

/* ---------- Badges / status tags (rectangular, not bubble pills) ---------- */
.pill{display:inline-flex;align-items:center;gap:6px;border-radius:var(--radius-xs);padding:3.5px 9px;font-size:10.5px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;background:var(--gray-bg);color:var(--gray-text);border:1px solid transparent}
.pill::before{content:'';width:5px;height:5px;border-radius:1px;background:currentColor;opacity:.9}
.pill.green{background:var(--green-bg);color:var(--green-text)}
.pill.red{background:var(--red-bg);color:var(--red-text)}
.pill.amber{background:var(--amber-bg);color:var(--amber-text)}
.pill.blue{background:var(--blue-bg);color:var(--blue-text)}
.pill.gray{background:var(--gray-bg);color:var(--gray-text)}

/* ---------- Flash / notices ---------- */
.flash{display:flex;align-items:center;gap:10px;padding:13px 16px;border-radius:var(--radius-sm);margin-bottom:var(--sp-5);background:var(--green-bg);color:var(--green-text);font-weight:600;font-size:13.5px;border:1px solid var(--green-line)}
.flash.error{background:var(--red-bg);color:var(--red-text);border-color:var(--red-line)}
.flash.info{background:var(--blue-bg);color:var(--blue-text);border-color:var(--blue-line)}

/* ---------- Empty states — designed sections, not blank rectangles ---------- */
.empty{padding:var(--sp-9) var(--sp-6);text-align:center;color:var(--muted);background:var(--gray-25);border-radius:var(--radius);border:1px dashed var(--line-strong)}
.empty-icon{width:42px;height:42px;border-radius:var(--radius-xs);background:var(--accent-50);color:var(--accent-600);display:grid;place-items:center;margin:0 auto var(--sp-4)}
.empty-title{font-size:15.5px;font-weight:700;color:var(--gray-900);margin:0 0 6px}
.empty p{margin:0 0 var(--sp-5);max-width:360px;margin-left:auto;margin-right:auto;line-height:1.6;font-size:13.5px}

/* ---------- Login ---------- */
.login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(180deg,var(--blue-25,#f5f9ff) 0%,var(--bg) 100%)}
.loginbox{width:min(408px,92vw);background:var(--surface);padding:var(--sp-8) var(--sp-7);border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow-md)}
.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.login-brand .brand-mark{width:38px;height:38px}
.login-brand span{font-size:21px;font-weight:800;letter-spacing:-.01em;color:var(--gray-900)}
.loginbox .sub{margin-bottom:var(--sp-7);font-size:14px}

/* ---------- Contacts / lists ---------- */
.edit-panel{margin-bottom:var(--sp-5);border-color:var(--accent-100)}
.saved-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-4)}
.saved-item{display:flex;gap:var(--sp-3);align-items:center;border:1px solid var(--line);padding:var(--sp-4);border-radius:var(--radius);transition:border-color .12s ease,box-shadow .12s ease}
.saved-item:hover{border-color:var(--gray-400);box-shadow:var(--shadow-sm)}
.saved-icon{width:36px;height:36px;border-radius:var(--radius-xs);background:var(--accent-50);color:var(--accent-600);display:grid;place-items:center;flex:none}
.saved-kind{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-weight:700;margin-top:3px}
.saved-item-body{flex:1;min-width:0}
.optional-details{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.optional-details summary{padding:14px 16px;cursor:pointer;font-weight:700;font-size:13.5px;color:var(--gray-600);display:flex;align-items:center;gap:9px}
.optional-body{padding:4px 16px 18px}

/* ---------- Composer ---------- */
.composer-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(360px,.8fr);gap:var(--sp-5);align-items:start}
.composer-main{display:flex;flex-direction:column;gap:17px;min-width:0}
.composer-preview{position:sticky;top:calc(var(--topbar-h) + var(--sp-5))}
/* Composer cards run ~12-15% tighter than the rest of the app (scoped to .composer-layout only —
   every other page keeps its normal .card padding/rhythm untouched). */
.composer-layout .card{padding:21px}
.composer-main .form{gap:17px}
.composer-main textarea{min-height:130px}
.composer-main .short-textarea{min-height:78px}
.preview-card{padding:0;overflow:hidden}
.preview-chrome{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line);background:var(--gray-25)}
.preview-chrome h3{margin:0;font-size:14px}
.preview-toggle{display:flex;gap:2px;background:var(--gray-100);border-radius:var(--radius-xs);padding:2px}
.pv-btn{border:0;background:transparent;color:var(--muted);font-weight:700;font-size:11.5px;padding:6px 12px;border-radius:var(--radius-xs);cursor:pointer;font-family:inherit}
.pv-btn.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-xs)}
.preview-body{padding:17px}
.pv-meta{display:grid;gap:7px;margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.pv-meta-row{display:flex;align-items:center;gap:10px;font-size:12.5px}
.pv-label{color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.05em;font-size:10.5px;min-width:38px;padding-top:1px}
.pv-meta-row b{color:var(--text);font-weight:600;font-size:13px}
.pv-from{display:flex;align-items:center;gap:8px}
.pv-avatar{width:22px;height:22px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;flex:none}
.pv-avatar .icon{width:12px;height:12px}
.subject-preview{font-size:13px;color:var(--muted);font-weight:600}
.subject-preview span{color:var(--text)}
.email-preview{background:#fff;padding:0;overflow:auto;max-height:520px;transition:max-width .15s ease}
.email-preview img{max-width:100%!important;height:auto!important}
.email-preview.pv-mobile{max-width:340px;margin:0 auto}
/* Live-preview empty states read as a designed placeholder (icon + title + hint) — the same
   pattern as the rest of the app's .empty component — instead of a flat block of muted text, so
   the panel reads like an actual message-reading pane even before any content has been entered. */
.pv-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:34px 16px;text-align:center;background:var(--gray-50);border-radius:var(--radius-sm);border:1px dashed var(--line-strong)}
.pv-empty-icon{width:32px;height:32px;border-radius:var(--radius-xs);background:var(--accent-50);color:var(--accent-600);display:grid;place-items:center;margin-bottom:3px}
.pv-empty-icon svg{width:18px;height:18px}
.pv-empty b{font-size:12.5px;font-weight:700;color:var(--gray-700)}
.pv-empty-text{font-size:11.5px;color:var(--muted2);max-width:220px;line-height:1.5}

.audience-count{display:flex;flex-direction:column;justify-content:center;gap:3px;padding:12px 14px;background:var(--gray-50);border:1px solid var(--line);border-radius:var(--radius-sm)}
.audience-count span{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700}
.audience-count b{font-size:24px;letter-spacing:-.01em;font-weight:800}
.audience-count .small{text-transform:none;letter-spacing:0;font-weight:500;margin-top:3px}

.sender-summary{display:flex;align-items:center;gap:17px;flex-wrap:wrap;margin-top:17px;padding:12px 14px;background:var(--gray-50);border:1px solid var(--line);border-radius:var(--radius-sm)}
.sender-summary span{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700}
.sender-summary b{font-size:13.5px;font-weight:700}

/* Step numbering — solid azure tile with white digits, a clean numbered-workflow anchor */
.step-heading{display:flex;align-items:center;gap:12px;margin-bottom:var(--sp-5);padding-bottom:var(--sp-4);border-bottom:1px solid var(--line)}
.step-heading .step-num{width:26px;height:26px;border-radius:var(--radius-xs);background:var(--accent);color:#fff;font-size:12px;font-weight:800;display:grid;place-items:center;flex:none}
.step-heading h3{margin:0;font-size:16.5px}
.composer-main .step-heading{margin-bottom:14px;padding-bottom:12px}

/* Legacy simple segmented control (kept for any future 2-option toggle) */
.segmented{display:inline-flex;background:var(--gray-100);border-radius:var(--radius-sm);padding:3px;margin-bottom:var(--sp-4);gap:3px}
.segmented label{display:flex;align-items:center;gap:6px;padding:9px 16px;border-radius:var(--radius-xs);font-weight:700;font-size:13px;color:var(--muted);cursor:pointer;margin:0}
.segmented label.active{background:var(--surface);color:var(--text)}
.segmented input{width:auto;accent-color:var(--accent-600)}

/* Content-type / send-mode selector cards. Structurally the same radio+label pattern (JS toggles
   .active on the closest label) but presented as clean bordered cards with a small square icon tile,
   title and description — flat, rectangular, no glow/gradient. */
.option-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-3);margin-bottom:17px}
.option-card{
  position:relative;display:flex;gap:14px;align-items:flex-start;padding:var(--sp-4);border:1px solid var(--line);
  border-radius:var(--radius);cursor:pointer;background:var(--surface);transition:border-color .12s ease,background .12s ease,box-shadow .12s ease;margin:0;
}
.option-card:hover{border-color:var(--gray-400)}
.option-card input{position:absolute;opacity:0;width:1px;height:1px}
.option-card .opt-icon{width:36px;height:36px;border-radius:var(--radius-xs);background:var(--gray-100);color:var(--gray-600);display:grid;place-items:center;flex:none;transition:background .12s ease,color .12s ease}
.option-card .opt-body{min-width:0}
.option-card .opt-title{display:block;font-weight:700;font-size:13.5px;color:var(--text);margin-bottom:3px}
.option-card .opt-desc{display:block;font-size:12px;color:var(--muted);line-height:1.55}
.option-card .opt-check{position:absolute;top:16px;right:16px;width:16px;height:16px;border-radius:2px;border:1.5px solid var(--line-strong);background:var(--surface);transition:border-color .12s ease,background .12s ease}
.option-card.active{border-color:var(--accent);background:var(--accent-50);box-shadow:var(--shadow-xs)}
.option-card.active .opt-icon{background:var(--accent);color:#fff}
.option-card.active .opt-check{border-color:var(--accent);background:var(--accent)}
.option-card.active .opt-check::after{content:'';position:absolute;inset:0;margin:auto;width:8px;height:5px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg) translate(1px,-1px)}

.template-picker{margin-bottom:var(--sp-4)}

.upload-zone{border:1px dashed var(--line-strong);background:var(--gray-25);border-radius:var(--radius);padding:28px 16px;margin-bottom:var(--sp-4);text-align:center;transition:border-color .12s ease,background .12s ease;cursor:pointer}
.upload-zone:hover{border-color:var(--gray-400)}
.upload-zone.dragover{border-color:var(--accent);background:var(--accent-50)}
.upload-zone .uz-icon{width:36px;height:36px;border-radius:var(--radius-xs);background:var(--gray-100);color:var(--gray-600);display:grid;place-items:center;margin:0 auto 12px}
.upload-zone label{cursor:pointer;margin-bottom:10px}
.upload-zone input[type=file]{max-width:280px;margin:0 auto;font-size:12.5px;border-style:solid}
.image-preview-wrap{border:1px solid var(--line);background:var(--gray-25);border-radius:var(--radius);padding:var(--sp-4);margin-bottom:var(--sp-4)}
.image-preview-wrap img{display:block;max-width:100%;max-height:340px;margin:8px auto 12px;border-radius:var(--radius-xs);border:1px solid var(--line)}
.preview-label{font-size:11px;font-weight:800;color:var(--accent-ink);text-transform:uppercase;letter-spacing:.06em}

/* Send-a-test as one integrated action row: label, icon-prefixed input, and the send button all in
   a single bordered strip instead of a stacked label-above-field layout. */
.test-row{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:var(--radius);background:var(--gray-50);border:1px solid var(--line);margin-bottom:8px;flex-wrap:wrap}
.test-label{font-size:12.5px;font-weight:700;color:var(--gray-700);margin:0;white-space:nowrap}
.test-input-wrap{position:relative;flex:1;min-width:180px}
.test-input-wrap .icon{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--muted2);pointer-events:none}
.test-input-wrap input{padding-left:34px}
.confirm-check{padding:12px 14px;border-radius:var(--radius-sm);background:var(--gray-50);border:1px solid var(--line);margin:14px 0}
.composer-actions{display:flex;gap:var(--sp-3);flex-wrap:wrap}
.composer-actions .btn{flex:1;min-width:160px}

.detail-card{margin-bottom:var(--sp-5)}
.summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:var(--sp-2)}
.summary-grid>div{padding:13px 15px;background:var(--gray-50);border:1px solid var(--line);border-radius:var(--radius-sm)}
.summary-grid span{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:800;margin-bottom:4px}
.summary-grid b{font-size:14.5px;overflow-wrap:anywhere;font-weight:700}

/* ---------- Responsive ---------- */
@media(max-width:1100px){
  .composer-layout{grid-template-columns:1fr}
  .composer-preview{position:static}
  .metrics-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(max-width:900px){
  .app{grid-template-columns:1fr}
  .side{height:auto;position:static;padding:0 0 var(--sp-3)}
  .nav{flex-direction:row;overflow-x:auto;gap:4px;padding:0 var(--sp-3)}
  .nav-label{display:none}
  .nav a{white-space:nowrap;border-left:none;border-bottom:3px solid transparent;border-radius:var(--radius-xs) var(--radius-xs) 0 0}
  .nav a.active{border-left:none;border-bottom-color:var(--accent)}
  .brand{padding:var(--sp-4) var(--sp-4) var(--sp-3)}
  .top{position:static;flex-wrap:wrap;height:auto;padding:14px 20px;gap:10px}
  .grid,.mode-grid,.row,.split,.audience-split,.option-cards{grid-template-columns:1fr 1fr}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .content{padding:20px}
  .saved-grid{grid-template-columns:1fr}
  .summary-grid{grid-template-columns:1fr 1fr}
  .account-meta{display:none}
  .top-divider{display:none}
}
@media(max-width:640px){
  .grid,.mode-grid,.row,.split,.audience-split,.metrics-grid,.summary-grid,.option-cards{grid-template-columns:1fr}
  .content{padding:16px}
  .title{font-size:24px}
  .card{padding:18px;border-radius:var(--radius)}
  .composer-layout .card{padding:18px}
  .test-row{flex-direction:column;align-items:stretch}
  .do-next-card{flex-direction:column}
  .composer-actions .btn{min-width:0}
  .cta-row{flex-direction:column}
  .cta-row .btn{width:100%}
  .workspace-cluster-label{display:none}
}