/* ==========================================================================
   Brandmek Mail
   Prose in sans, every number and label in mono with tabular figures — words
   read as words, data reads as data. Colour comes from the Brandmek brand
   rather than a generic admin palette.
   ========================================================================== */

:root{
  --ink:#10142a;          /* headings, primary buttons */
  --body:#2c3350;         /* body copy — softer than the headings */
  --muted:#6b7490;        /* labels, secondary text */
  --faint:#9aa2b8;        /* disabled, zero values */
  --canvas:#f2f4f9;       /* page */
  --surface:#ffffff;      /* cards */
  --line:#e4e8f2;         /* hairlines */
  --line-soft:#eef1f7;
  --accent:#e0219a;       /* Brandmek magenta — actions, active state */
  --accent-soft:#fdeef7;
  --positive:#0e9f8a;     /* replies, clicks: things that really happened */
  --positive-soft:#e8f7f4;
  --warn:#b26a00;
  --warn-soft:#fdf4e3;
  --alert:#c0392b;
  --alert-soft:#fdefed;

  --rail:#141935;
  --rail-2:#1c2246;
  --rail-text:#a9b1cd;

  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;

  --r:10px;               /* one radius everywhere */
  --shadow:0 1px 2px rgba(16,20,42,.04), 0 8px 24px -12px rgba(16,20,42,.12);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--canvas);color:var(--body);
  font-family:var(--sans);font-size:15px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit}

/* ---------------------------------------------------------------- shell -- */
.shell{display:flex;min-height:100vh}

.rail{
  width:232px;flex:0 0 232px;background:var(--rail);color:var(--rail-text);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.rail .mark{padding:24px 22px 20px}
.rail .mark a{
  font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  font-weight:600;text-decoration:none;color:#fff;
}
.rail .mark span{color:var(--accent)}

.rail nav{padding:8px 12px;flex:1}
.rail nav a{
  display:block;padding:10px 14px;border-radius:8px;text-decoration:none;
  color:var(--rail-text);font-size:14.5px;margin-bottom:2px;position:relative;
  transition:background .14s ease, color .14s ease;
}
.rail nav a small{display:block;font-size:12px;color:#727ba0;margin-top:1px;line-height:1.4}
.rail nav a:hover{background:var(--rail-2);color:#fff}
.rail nav a.on{background:#fff;color:var(--ink);font-weight:600;box-shadow:var(--shadow)}
.rail nav a.on small{color:var(--muted);font-weight:400}
/* The active page gets the brand mark, not just a highlight. */
.rail nav a.on::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  background:var(--accent);border-radius:0 3px 3px 0;
}

.rail .foot{padding:14px 12px 18px;border-top:1px solid var(--rail-2)}
.rail .foot a{
  display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.06em;
  color:#727ba0;text-decoration:none;padding:6px 12px;border-radius:6px;
}
.rail .foot a:hover{color:#fff;background:var(--rail-2)}

.body{flex:1;min-width:0}
.wrap{max-width:1020px;margin:0 auto;padding:0 34px}
.wrap.wide{max-width:1620px}
main{padding:38px 0 90px}

/* ------------------------------------------------------------ typography -- */
h1{
  font-size:29px;line-height:1.2;margin:0 0 6px;color:var(--ink);
  font-weight:680;letter-spacing:-.022em;
}
h2{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);font-weight:600;margin:34px 0 14px;
}
.sub{color:var(--muted);font-size:15px;margin:0 0 28px;max-width:64ch}
.meta{color:var(--muted);font-size:12.5px;line-height:1.5}
.note{font-size:13px;color:var(--muted);margin-top:8px}
.mono{font-family:var(--mono)}
.name{font-weight:600;color:var(--ink)}

/* ---------------------------------------------------------------- cards -- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow);
}
.card.pad{padding:24px}

/* ---------------------------------------------------------------- stats -- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:30px;
}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:18px 20px 16px;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.stat b{
  display:block;font-family:var(--mono);font-size:30px;font-weight:600;
  font-variant-numeric:tabular-nums;line-height:1.05;color:var(--ink);
  letter-spacing:-.02em;
}
.stat span{
  display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--muted);margin-top:8px;
}
/* Today is the number anyone actually acts on, so it is the one with weight. */
.stats .stat:first-child::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);
}
/* A second accent for whichever stat is the "good news" one on a given page —
   replies, not just the first tile — so it doesn't have to fight for the spot. */
.stat.tone-positive::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--positive);
}

/* --------------------------------------------------------------- tables -- */
table{width:100%;border-collapse:collapse;font-size:14.5px}
table{table-layout:auto}
thead th{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);font-weight:600;text-align:left;padding:13px 16px;
  border-bottom:1px solid var(--line);white-space:nowrap;background:#fafbfe;
}
tbody td{padding:15px 16px;border-bottom:1px solid var(--line-soft);vertical-align:middle}
/* An address that is too long is cut with an ellipsis rather than wrapped —
   a two-line email address reads as a mistake. */
tbody td.meta{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
tbody tr:last-child td{border-bottom:0}
tbody tr{transition:background .12s ease}
tbody tr:hover{background:#fafbfe}
.card > table:first-child thead th:first-child{border-top-left-radius:var(--r)}
.card > table:first-child thead th:last-child{border-top-right-radius:var(--r)}

.num{font-family:var(--mono);font-size:15px;font-variant-numeric:tabular-nums;color:var(--ink)}
.num.big{font-size:18px;font-weight:600;color:var(--positive)}
.num.small{font-size:14px;color:var(--warn)}
.num.zero{color:var(--faint);font-weight:400}

/* ---------------------------------------------------------------- pills -- */
.pill{
  display:inline-block;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;
  text-transform:uppercase;padding:4px 9px;border-radius:20px;
  border:1px solid var(--line);color:var(--muted);white-space:nowrap;background:#fff;
}
.pill.sent{color:var(--muted)}
.pill.opened{border-color:#f0dcb4;background:var(--warn-soft);color:var(--warn)}
.pill.clicked{border-color:#b7e5dc;background:var(--positive-soft);color:var(--positive)}
.pill.ok{border-color:#b7e5dc;background:var(--positive-soft);color:var(--positive)}
.pill.bad{border-color:#f2c9c3;background:var(--alert-soft);color:var(--alert)}
.pill.off{background:#f4f6fa;color:var(--faint)}

/* -------------------------------------------------------------- buttons -- */
.btn{
  display:inline-block;font-family:var(--sans);font-size:14px;font-weight:600;
  letter-spacing:-.005em;padding:10px 18px;border-radius:8px;
  border:1px solid var(--ink);background:var(--ink);color:#fff;
  text-decoration:none;cursor:pointer;line-height:1.4;white-space:nowrap;
  transition:transform .1s ease, box-shadow .14s ease, background .14s ease;
}
.btn:hover{background:#000;box-shadow:0 4px 14px -6px rgba(16,20,42,.5)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow)}
.btn.ghost:hover{background:#fff;border-color:#c8cfe0;box-shadow:0 4px 14px -8px rgba(16,20,42,.35)}
.btn.small{padding:7px 13px;font-size:13px;border-radius:7px}
.btn:disabled,.btn[disabled]{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}

/* Row actions wrap onto a second line rather than widening the table. */
.row-actions{text-align:right;white-space:nowrap}
.row-actions .btn{margin:0 0 4px 6px}

/* --------------------------------------------------------------- fields -- */
label{
  display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);margin:0 0 7px;font-weight:600;
}
input[type=text],input[type=email],input[type=password],input[type=url],textarea,select{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:8px;
  font-family:var(--sans);font-size:15px;background:#fff;color:var(--ink);
  transition:border-color .14s ease, box-shadow .14s ease;
}
input::placeholder,textarea::placeholder{color:var(--faint)}
textarea{font-size:14.5px;line-height:1.65}
input:focus,textarea:focus,select:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);
}
.field{margin-bottom:18px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}

/* ------------------------------------------------------------- switches -- */
.switches{display:flex;gap:12px;flex-wrap:wrap}
.sw{
  flex:1 1 220px;border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;
  background:#fff;cursor:pointer;display:flex;gap:11px;align-items:flex-start;
  font-family:var(--sans);font-size:14px;font-weight:400;text-transform:none;
  letter-spacing:normal;color:var(--body);margin:0;transition:border-color .14s, background .14s;
}
.sw:hover{border-color:#c8cfe0}
.sw input{margin:2px 0 0;flex:0 0 auto;width:auto;accent-color:var(--accent)}
.sw b{display:block;font-size:14.5px;font-weight:600;font-family:var(--sans);
  text-transform:none;letter-spacing:normal;color:var(--ink)}
.sw span{display:block;color:var(--muted);font-size:12.5px;margin-top:3px;
  font-family:var(--sans);text-transform:none;letter-spacing:normal;font-weight:400}
.sw > span{margin-top:0}
.sw > span > span{margin-top:3px}
.sw.on{border-color:var(--accent);background:var(--accent-soft)}

/* -------------------------------------------------------------- compose -- */
.split{display:flex;gap:26px;align-items:flex-start}
.split-form{flex:0 0 400px;min-width:0}
.split-form .row2,.split-form .row3{grid-template-columns:1fr}
.split-preview{
  flex:1 1 auto;min-width:0;position:sticky;top:26px;height:calc(100vh - 52px);
  display:flex;flex-direction:column;
}
.split-preview h2{margin:0 0 12px}
.split-preview .frame{
  flex:1 1 auto;min-height:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);
}
.split-preview iframe{width:100%;height:100%;border:0;display:block;background:#fff}
.split-preview .under{margin-top:12px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}

/* ---------------------------------------------------------------- editor -- */
.editor-toolbar{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:8px}
.editor-toolbar button{
  font-family:var(--sans);font-size:13px;padding:6px 10px;border-radius:6px;
  border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;
}
.editor-toolbar button:hover{border-color:#c8cfe0;background:#fafbfe}
.editor-surface{
  min-height:260px;padding:13px 15px;border:1px solid var(--line);border-radius:8px;
  font-family:var(--sans);font-size:15px;line-height:1.6;color:var(--ink);
  background:#fff;overflow-y:auto;
}
.editor-surface:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.editor-surface img{max-width:100%}
.editor-surface:empty::before{content:attr(data-placeholder);color:var(--faint);pointer-events:none}

/* ---------------------------------------------------------- conversation -- */
/* Ours lean right in brand tint, theirs lean left in white with a green edge,
   so who said what reads at a glance — the way a chat does. */
.thread{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}
.msg{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow);padding:16px 20px;min-width:0;
}
.msg.theirs{margin-right:48px;border-left:3px solid var(--positive)}
.msg.ours{margin-left:48px;background:#fdf6fa;border-color:#f3d9ea;border-left:3px solid var(--accent)}
.msg-head{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.msg-dir{
  font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  padding:2px 7px;border-radius:4px;background:var(--positive-soft);color:var(--positive);
}
.msg.ours .msg-dir{background:var(--accent-soft);color:var(--accent)}
.msg-when{margin-left:auto}
.msg-subject{margin-top:2px}
.msg-body{
  margin-top:10px;white-space:pre-wrap;overflow-wrap:break-word;
  font-size:14.5px;line-height:1.6;color:var(--ink);
}
.msg-more{margin-top:10px}
.msg-more summary{cursor:pointer;font-size:13px;color:var(--muted);user-select:none}
.msg-more summary:hover{color:var(--ink)}
.msg-quoted{
  margin-top:8px;padding-left:12px;border-left:2px solid var(--line);white-space:pre-wrap;
  overflow-wrap:break-word;font-size:13.5px;line-height:1.55;color:var(--muted);
}
.reply-box{margin-bottom:8px}
.reply-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:12px}

/* ------------------------------------------------------------ attachments -- */
.attach-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.attach-chip{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;
  padding:6px 8px 6px 12px;border:1px solid var(--line);border-radius:20px;background:#fafbfe;
}
.attach-chip .size{color:var(--muted);font-family:var(--mono);font-size:11px}
.attach-chip button{
  border:0;background:var(--line-soft);color:var(--muted);width:20px;height:20px;
  border-radius:50%;cursor:pointer;line-height:1;font-size:14px;padding:0;
}
.attach-chip button:hover{background:var(--alert-soft);color:var(--alert)}

.sendbar{
  position:sticky;bottom:0;background:linear-gradient(to top,var(--canvas) 72%,transparent);
  padding:18px 0 14px;margin-top:20px;display:flex;gap:12px;align-items:center;z-index:3;
}

/* ------------------------------------------------------- signal + misc --- */
.strip{display:flex;height:5px;width:78px;border-radius:3px;overflow:hidden;background:#e9edf5}
.strip i{display:block;height:100%}
.strip i.c{background:var(--positive)}
.strip i.o{background:#e0a83c}
.strip i.p{background:#c9d0e0}

pre.snippet{
  background:#12162c;color:#dbe2f5;padding:16px 18px;border-radius:var(--r);
  font-family:var(--mono);font-size:12.5px;line-height:1.7;overflow-x:auto;
  white-space:pre-wrap;word-break:break-all;margin:0;
}
.copywrap{position:relative}
.copywrap .btn{position:absolute;top:10px;right:10px;z-index:2}
.copywrap pre.snippet{padding-right:100px}

.empty{text-align:center;padding:64px 24px;color:var(--muted)}
.empty p{margin:0 0 20px}

.flash{
  padding:14px 17px;border-radius:var(--r);margin-bottom:24px;font-size:14.5px;
  background:var(--positive-soft);border:1px solid #b7e5dc;color:#0a6d5f;
}
.flash.warn{background:var(--warn-soft);border-color:#f0dcb4;color:#7a4a02}

/* Initials in People, so a row reads as a person rather than a database row. */
.who{display:flex;align-items:flex-start;gap:12px}
.who > div{min-width:0}
.avatar{
  flex:0 0 auto;width:34px;height:34px;margin-top:1px;border-radius:50%;
  background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.avatar.admin{background:var(--accent)}

@media (max-width:1400px){
  .split{display:block}
  .split-form{flex:none}
  .split-preview{position:static;height:auto;flex:none;margin-top:26px}
  .split-preview .frame{height:520px}
}
@media (max-width:900px){
  .shell{display:block}
  .rail{width:auto;height:auto;position:static;flex:none}
  .rail nav{display:flex;overflow-x:auto;padding:8px}
  .rail nav a{white-space:nowrap;margin:0 3px 0 0}
  .rail nav a small{display:none}
  .rail nav a.on::before{display:none}
  .rail .foot{display:flex;gap:6px;align-items:center}
  .wrap{padding:0 18px}
  /* An email preview spans the whole screen, as a phone's mail app would show
     it. Inside the gutter and border it rendered 38px narrower than the device
     — 282px on a 320px phone — and a fluid email looked like it overflowed. */
  .split-preview .frame,.email-frame{margin:0 -18px;border-left:0;border-right:0;border-radius:0}
  main{padding:24px 0 60px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .row2,.row3{grid-template-columns:1fr}
  .hide-sm{display:none}
  .msg.theirs{margin-right:16px}
  .msg.ours{margin-left:16px}
  .msg-when{margin-left:0;width:100%}
  h1{font-size:24px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}


/* ------------------------------------------------------------- charts -- */
.legend{display:flex;gap:18px;margin-top:14px;font-family:var(--mono);
  font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.legend span{display:flex;align-items:center;gap:7px}
.legend i{width:8px;height:8px;border-radius:50%;display:block}

/* Bars carry a title tooltip already; the hover tint just confirms the row
   under the pointer is the one about to be read. */
.col-sent,.col-rep{transition:fill .12s ease}
.col-sent:hover{fill:#b6c1de !important}
.col-rep:hover{fill:#0c8a77 !important}

.bars{display:flex;flex-direction:column;gap:14px}
.bar-row{display:grid;grid-template-columns:150px 1fr 130px;gap:16px;align-items:center}
.bar-label{font-weight:600;color:var(--ink);font-size:14px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar-track{background:#eef1f7;border-radius:6px;height:22px;overflow:hidden}
.bar-fill{height:100%;background:linear-gradient(90deg,#8d9bc6,#c9d2e6);border-radius:6px;
  min-width:3px;transition:width .4s ease}
.bar-value{font-family:var(--mono);font-size:15px;font-variant-numeric:tabular-nums;
  color:var(--ink);text-align:right}
.bar-value span{display:block;font-size:11px;color:var(--muted);letter-spacing:.02em}

@media (max-width:900px){
  .bar-row{grid-template-columns:110px 1fr 96px;gap:10px}
  .bar-value{font-size:14px}
}

/* Opening the whole email replaces its short preview rather than repeating it. */
.msg:has(.msg-full[open]) .msg-preview{display:none}
.msg-full[open] summary{margin-bottom:-4px}