/* SMPP Gateway Console
   Palette: warm-grey canvas, deep petrol rail, SMPP-semantic status colours.
   Type: system stacks only - this console may run where webfonts cannot load. */

:root{
  --canvas:#F6F7F5;
  --surface:#FFFFFF;
  --rail:#0E2E2C;
  --rail-2:#0A2322;
  --ink:#1C2733;
  --muted:#667585;
  --line:#DDE3EA;
  --line-soft:#EDF0F2;
  --accent:#0E5E5B;
  --accent-bright:#5FD4C4;
  --ok:#2E7D4F;
  --warn:#C77700;
  --bad:#B3261E;
  --violet:#8A4B9E;
  --slate:#6B7A86;

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

  --r:4px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--canvas);color:var(--ink);
  font:15px/1.5 var(--sans);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--accent-bright);outline-offset:2px}

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

.rail{
  width:216px;flex:0 0 216px;background:var(--rail);color:#CFE3E0;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.mark{display:flex;gap:10px;align-items:center;padding:20px 18px 22px;color:#fff}
.mark:hover{text-decoration:none}
.mark-glyph{
  width:26px;height:26px;border-radius:5px;flex:0 0 26px;
  background:linear-gradient(150deg,var(--accent-bright),var(--accent));
}
.mark-text{font-size:13px;line-height:1.25;letter-spacing:.01em;color:#9FC4BF}
.mark-text b{color:#fff;font-weight:650;font-size:14px}

.rail-group{padding:6px 10px}
.rail-head{
  font-size:11px;color:#6E938E;padding:12px 8px 6px;letter-spacing:.02em;
}
.rail a{
  display:block;padding:8px 10px;border-radius:var(--r);color:#CFE3E0;
  font-size:14px;margin-bottom:1px;
}
.rail a:hover{background:var(--rail-2);text-decoration:none;color:#fff}
.rail a.on{background:var(--accent);color:#fff;font-weight:550}

.rail-foot{margin-top:auto;padding:14px 18px 18px;border-top:1px solid #17403D}
.who-name{color:#fff;font-size:14px}
.who-role{color:#6E938E;font-size:12px;margin-bottom:10px}
.rail-foot .quiet{display:block;color:#9FC4BF;font-size:13px;margin-bottom:6px}
.link-btn{
  background:none;border:0;padding:0;color:#9FC4BF;font:inherit;font-size:13px;
  cursor:pointer;
}
.link-btn:hover{color:#fff;text-decoration:underline}

.main{flex:1;min-width:0;padding:24px 30px 56px;max-width:1500px}

/* ---------- page furniture ---------- */
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}
.page-head h1{font-size:23px;font-weight:620;margin:0 0 3px;letter-spacing:-.01em}
.page-head p{margin:0;color:var(--muted);font-size:14px}
.head-actions{display:flex;gap:8px;align-items:center;flex-shrink:0}

.flashes{margin-bottom:16px;display:flex;flex-direction:column;gap:8px}
.flash{padding:10px 14px;border-radius:var(--r);font-size:14px;border-left:3px solid}
.flash-ok{background:#EAF4EE;border-color:var(--ok);color:#1E5637}
.flash-error{background:#FBEDEC;border-color:var(--bad);color:#8A1D17}

/* ---------- panels ---------- */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:6px}
.panel-head{
  padding:13px 16px;border-bottom:1px solid var(--line-soft);
  display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.panel-head h2{margin:0;font-size:14px;font-weight:600}
.panel-head .sub{color:var(--muted);font-size:12.5px}
.panel-body{padding:16px}
.panel-body.flush{padding:0}

.grid{display:grid;gap:16px}
.grid-3{grid-template-columns:2fr 1fr 1fr}
.grid-2{grid-template-columns:1fr 1fr}
@media(max-width:1150px){.grid-3,.grid-2{grid-template-columns:1fr}}

/* ---------- the traffic rule: KPIs as a measured strip, not cards ---------- */
.rule{
  display:flex;flex-wrap:wrap;background:var(--surface);
  border:1px solid var(--line);border-radius:6px;margin-bottom:16px;overflow:hidden;
}
.rule-cell{
  flex:1 1 150px;padding:14px 18px;border-right:1px solid var(--line-soft);min-width:0;
}
.rule-cell:last-child{border-right:0}
.rule-n{font-size:26px;font-weight:640;letter-spacing:-.02em;line-height:1.1;font-variant-numeric:tabular-nums}
.rule-k{font-size:12.5px;color:var(--muted);margin-top:3px}
.rule-n.ok{color:var(--ok)} .rule-n.bad{color:var(--bad)}
.rule-n.warn{color:var(--warn)} .rule-n.mute{color:var(--slate)}

/* ---------- charts ---------- */
.chart{width:100%;height:230px;display:block}
.donut{width:150px;height:150px;display:block;margin:0 auto}
.hbars{width:100%;display:block}
.chart-empty{
  padding:56px 16px;text-align:center;color:var(--muted);font-size:14px;
  background:repeating-linear-gradient(45deg,#FAFBFB,#FAFBFB 10px,#F4F6F6 10px,#F4F6F6 20px);
  border-radius:var(--r);
}
.chart-empty.small{padding:28px 12px;font-size:13px}

.legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px;font-size:12.5px;color:var(--muted)}
.legend span{display:flex;align-items:center;gap:6px}
.swatch{width:10px;height:10px;border-radius:2px;flex:0 0 10px}

.keyed{list-style:none;margin:12px 0 0;padding:0;font-size:13px}
.keyed li{display:flex;justify-content:space-between;gap:10px;padding:5px 0;border-bottom:1px solid var(--line-soft)}
.keyed li:last-child{border-bottom:0}
.keyed .v{font-variant-numeric:tabular-nums;color:var(--muted)}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto}
table.data{width:100%;border-collapse:collapse;font-size:13.5px}
table.data th{
  text-align:left;font-weight:600;font-size:12.5px;color:var(--muted);
  padding:9px 12px;border-bottom:1px solid var(--line);white-space:nowrap;
  background:#FBFCFC;position:sticky;top:0;
}
table.data td{padding:9px 12px;border-bottom:1px solid var(--line-soft);vertical-align:top}
table.data tr:last-child td{border-bottom:0}
table.data tbody tr:hover{background:#FAFBFB}
table.data td.num{text-align:right;font-variant-numeric:tabular-nums}
.mono{font-family:var(--mono);font-size:12.5px;font-variant-numeric:tabular-nums}
.truncate{max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block}
.dim{color:var(--muted)}

/* ---------- status pills: SMPP vocabulary, colours shared with charts ---------- */
.pill{
  display:inline-block;padding:2px 7px;border-radius:3px;font-size:11.5px;
  font-weight:600;letter-spacing:.01em;white-space:nowrap;
  font-family:var(--mono);
}
.pill-DELIVRD{background:#E6F2EB;color:#1E5637}
.pill-ACCEPTD{background:#FBF0DF;color:#8A5400}
.pill-REJECTD,.pill-FAILED{background:#FBEAE9;color:#8A1D17}
.pill-UNDELIV{background:#F2E9F6;color:#5F2F70}
.pill-EXPIRED{background:#EDF0F2;color:#4A5860}
.pill-none{background:#EDF0F2;color:#77858E}
.pill-on{background:#E6F2EB;color:#1E5637}
.pill-off{background:#FBEAE9;color:#8A1D17}
.pill-route{background:#E4EFEE;color:#0B4643}

/* ---------- forms ---------- */
.filters{
  background:var(--surface);border:1px solid var(--line);border-radius:6px;
  padding:14px 16px;margin-bottom:16px;
}
.filter-row{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}
.field{display:flex;flex-direction:column;gap:4px;min-width:0}
.field label{font-size:12.5px;color:var(--muted)}
.field.grow{flex:1 1 180px}
input[type=text],input[type=password],input[type=email],input[type=number],
input[type=datetime-local],input[type=search],select,textarea{
  font:14px var(--sans);color:var(--ink);background:#fff;
  border:1px solid var(--line);border-radius:var(--r);padding:7px 9px;
  min-width:0;width:100%;
}
input:focus,select:focus,textarea:focus{border-color:var(--accent);outline:none;
  box-shadow:0 0 0 3px rgba(14,94,91,.12)}
textarea{font-family:var(--mono);font-size:13px;line-height:1.55;resize:vertical}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),
  linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 15px) 15px,calc(100% - 10px) 15px;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:28px}

.btn{
  display:inline-block;font:14px/1 var(--sans);font-weight:550;cursor:pointer;
  padding:9px 15px;border-radius:var(--r);border:1px solid transparent;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#0B4A47;text-decoration:none}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--muted);text-decoration:none}
.btn-danger{background:var(--bad);color:#fff}
.btn-danger:hover{background:#8A1D17;text-decoration:none}
.btn-sm{padding:5px 10px;font-size:13px}

.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.form-grid .full{grid-column:1/-1}
@media(max-width:800px){.form-grid{grid-template-columns:1fr}}
.hint{font-size:12.5px;color:var(--muted);margin-top:4px}
.form-actions{display:flex;gap:10px;align-items:center;margin-top:22px;
  padding-top:18px;border-top:1px solid var(--line-soft)}
.spacer{flex:1}

.checks{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.check{display:flex;gap:7px;align-items:center;font-size:14px;cursor:pointer}
.check input{width:auto;margin:0}

/* ---------- quota meter ---------- */
.meter{height:5px;background:var(--line-soft);border-radius:3px;overflow:hidden;min-width:90px}
.meter i{display:block;height:100%;background:var(--accent);border-radius:3px}
.meter i.warn{background:var(--warn)}
.meter i.bad{background:var(--bad)}
.meter-label{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;margin-top:3px}

/* ---------- pagination ---------- */
.pager{display:flex;gap:6px;align-items:center;justify-content:flex-end;
  padding:12px 16px;font-size:13.5px;color:var(--muted);flex-wrap:wrap}
.pager a,.pager span.cur{padding:5px 10px;border:1px solid var(--line);
  border-radius:var(--r);background:#fff}
.pager span.cur{background:var(--accent);color:#fff;border-color:var(--accent)}
.pager a:hover{border-color:var(--muted);text-decoration:none}

/* ---------- login ---------- */
.login-wrap{min-height:100vh;display:grid;place-items:center;background:var(--rail);padding:24px}
.login-card{width:100%;max-width:380px;background:#fff;border-radius:8px;padding:30px 30px 26px}
.login-card h1{margin:0 0 4px;font-size:20px;font-weight:640}
.login-card .sub{color:var(--muted);font-size:13.5px;margin:0 0 22px}
.login-card .field{margin-bottom:14px}
.login-card .btn{width:100%;text-align:center;margin-top:6px}
.login-note{color:#6E938E;font-size:12.5px;text-align:center;margin-top:18px}

/* ---------- misc ---------- */
.empty{padding:44px 20px;text-align:center;color:var(--muted)}
.empty strong{display:block;color:var(--ink);font-size:15px;margin-bottom:5px;font-weight:600}
.kv{display:grid;grid-template-columns:190px 1fr;gap:0}
.kv dt{padding:8px 0;color:var(--muted);font-size:13px;border-bottom:1px solid var(--line-soft)}
.kv dd{padding:8px 0;margin:0;font-size:13.5px;border-bottom:1px solid var(--line-soft)}
.error-page{max-width:460px;margin:14vh auto;text-align:center}
.error-page .code{font-size:56px;font-weight:300;color:var(--line);line-height:1}
.error-page h1{font-size:20px;margin:6px 0 8px}
.error-page p{color:var(--muted)}

@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media(max-width:760px){
  .shell{flex-direction:column}
  .rail{width:100%;flex:none;height:auto;position:static;flex-direction:row;
    flex-wrap:wrap;align-items:center;gap:4px;padding:0 10px}
  .rail-group{display:flex;padding:4px 0}
  .rail-head{display:none}
  .rail-foot{margin:0 0 0 auto;border:0;padding:8px}
  .main{padding:16px}
}