:root{
  --bg: #0b141a;
  --panel: #111b21;
  --panel2: #0f1a20;
  --border: rgba(255,255,255,.08);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.6);
  --muted2: rgba(255,255,255,.45);
  --green: #00a884;
  --bubbleIn: #202c33;
  --bubbleOut: #005c4b;
  --danger: #ff5c5c;
  --warn: #ffb020;
  --shadow: 0 12px 40px rgba(0,0,0,.35);
  --radius: 16px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  background: radial-gradient(1200px 900px at 30% 20%, rgba(0,168,132,.10), transparent 60%),
              radial-gradient(900px 600px at 70% 90%, rgba(0,168,132,.08), transparent 55%),
              var(--bg);
  color: var(--text);
  font-family: var(--font);
}

a{ color:inherit; }

.page{ min-height:100%; display:flex; align-items:center; justify-content:center; padding:24px; }

/* Login */
.login{ width:100%; max-width:420px; }
.login__card{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}
.login__brand{ display:flex; gap:12px; align-items:center; margin-bottom:16px; }
.logo{
  width:44px; height:44px; border-radius: 14px;
  background: rgba(0,168,132,.18);
  border: 1px solid rgba(0,168,132,.35);
  display:flex; align-items:center; justify-content:center;
  font-weight:800;
}
.login__title{ font-size: 18px; font-weight:700; }
.login__sub{ font-size: 12px; color: var(--muted); margin-top:2px; }

.login__form{ display:flex; flex-direction:column; gap:12px; }
.field{ display:flex; flex-direction:column; gap:6px; }
.field span{ font-size: 12px; color: var(--muted); }
.field input{
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.25);
  color: var(--text);
  outline:none;
}
.field input:focus{ border-color: rgba(0,168,132,.45); }

.btn{
  padding: 12px 14px;
  border-radius: 12px;
  border: 0;
  cursor:pointer;
  font-weight: 700;
}
.btn--primary{
  background: var(--green);
  color: #00110d;
}
.btn--primary:hover{ filter: brightness(1.05); }

.error{
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,92,92,.35);
  background: rgba(255,92,92,.12);
  color: rgba(255,255,255,.92);
  font-size: 13px;
}

.hint{ font-size: 12px; color: var(--muted2); line-height:1.4; }

/* App layout */
.page--app{ padding:0; align-items:stretch; justify-content:stretch; }
.workspace{
  width: 100%;
  height: 100vh;
  display:flex;
  align-items:stretch;
}
.workspace__main{
  flex:1;
  display:flex;
  overflow:hidden;
  position:relative;
}
.page--portal .workspace{
  justify-content:stretch;
  padding: 0;
}
.page--portal .workspace__main{
  justify-content:stretch;
  width:100%;
}

.shell{
  width: 100%;
  height: 100vh;
  display:grid;
  grid-template-columns: minmax(220px, 28%) minmax(0, 72%);
  background: rgba(0,0,0,.14);
  overflow:hidden;
}

.sidebar{
  border-right: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(17,27,33,.95), rgba(15,26,32,.92));
  display:flex;
  flex-direction:column;
  min-width: 320px;
  max-height:100vh;
  overflow:hidden;
}
.sidebar__search,
.sidebar__top{ flex-shrink:0; }
.chatList{ overflow:auto; flex:1; }
.sidebar__top{
  padding: 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-bottom: 1px solid var(--border);
}
.me{ display:flex; gap:12px; align-items:center; }
.avatar{
  width:42px; height:42px; border-radius: 50%;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
}
.avatar--small{ width:34px; height:34px; }
.me__name{ font-weight: 750; font-size: 14px; }
.me__sub{ font-size: 12px; color: var(--muted); margin-top:2px; }
.topActions{ display:flex; gap:8px; }
.iconBtn{
  width: 36px; height:36px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.20);
  color: var(--text);
  cursor:pointer;
}
.iconBtn:hover{ border-color: rgba(0,168,132,.35); }

.sidebar__search{
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.sidebar__search input{
  width:100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.22);
  color: var(--text);
  outline:none;
}

.chatList{ overflow:auto; flex:1; }
.chatItem{
  display:flex;
  gap:12px;
  padding: 12px 14px;
  cursor:pointer;
  border-bottom: 1px solid rgba(255,255,255,.04);
}
.chatItem:hover{ background: rgba(255,255,255,.03); }
.chatItem--active{ background: rgba(0,168,132,.10); }
.chatItem__main{ flex:1; min-width:0; }
.chatItem__top{ display:flex; justify-content:space-between; gap:10px; }
.chatItem__name{ font-weight: 750; font-size: 14px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.chatItem__time{ font-size: 12px; color: var(--muted2); white-space:nowrap; }
.chatItem__last{
  margin-top: 4px;
  font-size: 13px;
  color: var(--muted);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}

.placeholder{ padding: 18px; color: var(--muted); }

.main{
  display:flex;
  flex-direction:column;
  min-width: 0;
  background:
    radial-gradient(1100px 700px at 30% 30%, rgba(0,168,132,.06), transparent 60%),
    linear-gradient(180deg, rgba(8,14,18,.65), rgba(8,14,18,.55));
  max-height:100vh;
}
.main__top{
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(17,27,33,.70);
  backdrop-filter: blur(10px);
}
.chatHead{ display:flex; gap:12px; align-items:center; }
.chatTitle{ font-weight: 800; }
.chatSub{ font-size: 12px; color: var(--muted); margin-top:2px; }

.thread{
  flex:1;
  overflow:auto;
  padding: 18px;
  display:flex;
  flex-direction:column;
  gap: 10px;
}
.thread__empty{
  margin:auto;
  color: var(--muted);
  border: 1px dashed rgba(255,255,255,.18);
  padding: 18px 16px;
  border-radius: 14px;
  background: rgba(0,0,0,.18);
}

.msgRow{ display:flex; }
.msgRow--in{ justify-content:flex-start; }
.msgRow--out{ justify-content:flex-end; }

.bubble{
  max-width: 70%;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.06);
  background: var(--bubbleIn);
}
.msgRow--out .bubble{ background: var(--bubbleOut); }
.bubble__text{ font-size: 14px; white-space:pre-wrap; line-height:1.35; }
.bubble__meta{
  margin-top: 6px;
  display:flex;
  gap: 8px;
  justify-content:flex-end;
  align-items:center;
  font-size: 11px;
  color: rgba(255,255,255,.72);
}
.bubble__buttons{
  margin-top: 8px;
  display:flex;
  flex-direction:column;
  gap: 6px;
}
.bubble__button{
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 10px;
  padding: 6px 10px;
  font-size: 12px;
  background: rgba(0,0,0,.18);
}
.msgRow--out .bubble__button{
  background: rgba(0,0,0,.22);
}
.bubble__buttonType{
  font-size: 10px;
  color: rgba(255,255,255,.55);
  text-transform: uppercase;
  letter-spacing: .05em;
}
.bubble__buttonLabel{
  font-weight: 600;
  margin-top: 2px;
}
.bubble__buttonValue{
  font-size: 11px;
  color: var(--muted2);
  margin-top: 2px;
  word-break: break-all;
}
.badge{
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.16);
  color: rgba(255,255,255,.80);
}
.badge--failed{ border-color: rgba(255,92,92,.45); background: rgba(255,92,92,.10); }
.badge--read{ border-color: rgba(0,168,132,.50); background: rgba(0,168,132,.10); }
.badge--delivered{ border-color: rgba(255,255,255,.22); }

.metaTime{ color: rgba(255,255,255,.62); }

.errorBox{
  margin-top: 8px;
  padding: 10px 10px;
  border-radius: 12px;
  border: 1px solid rgba(255,92,92,.30);
  background: rgba(255,92,92,.08);
  color: rgba(255,255,255,.90);
  font-size: 12px;
}

.composer{
  padding: 10px 18px;
  border-top: 1px solid var(--border);
  background: rgba(17,27,33,.55);
  position: sticky;
  bottom:0;
}
.composer__note{ font-size: 12px; color: var(--muted2); }
.sendForm{
  margin-top: 10px;
  display:flex;
  flex-wrap:wrap;
  gap: 8px;
  align-items:flex-start;
}
.sendInput,
.sendMessage{
  flex:1 1 200px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.22);
  color: var(--text);
  outline:none;
  font-family: var(--font);
  font-size: 14px;
}
.sendMessage{
  min-height: 56px;
  resize: vertical;
}
.sendStatus{
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted2);
}
.sendStatus--success{ color: var(--green); }
.sendStatus--error{ color: var(--danger); }

/* responsive */
@media (max-width: 900px){
  .shell{ grid-template-columns: 1fr; }
  .sidebar{ display:none; }
}

.navRail{
  flex: 0 0 6%;
  min-width: 60px;
  background: linear-gradient(180deg, rgba(12,19,24,.95), rgba(8,13,17,.9));
  border-right: 1px solid var(--border);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 10px;
  padding: 18px 0;
}
.navRail__brand{
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:center;
  background: rgba(255,255,255,.06);
  font-size: 18px;
}
.navRail__link{
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display:flex;
  align-items:center;
  justify-content:center;
  color: var(--muted);
  text-decoration:none;
  border: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease, color .2s ease;
}
.navRail__link:hover{
  border-color: rgba(0,168,132,.45);
  color: var(--text);
}
.navRail__link.active{
  background: rgba(0,168,132,.18);
  color: var(--text);
  border-color: rgba(0,168,132,.6);
}
.navRail__spacer{ flex:1; }

@media (max-width: 900px){
  .workspace{ flex-direction:column; }
  .navRail{
    position: fixed;
    top: 60px;
    left: 0;
    bottom: 0;
    z-index: 40;
    background: rgba(12,19,24,.98);
    border-right: 1px solid var(--border);
    padding-top: 24px;
    transform: translateX(-100%);
    transition: transform .25s ease;
  }
  .navRail.navRail--open{
    transform: translateX(0);
  }
  .shell{ height: auto; grid-template-columns: 1fr; }
}

.mobileNavToggle{
  display:none;
}

@media (max-width: 900px){
  .mobileNavToggle{
    display:flex;
    position:absolute;
    top: 12px;
    right: 12px;
    z-index: 45;
    background: rgba(0,0,0,.5);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 10px;
    width: 44px;
    height: 44px;
    align-items:center;
    justify-content:center;
  }
}

@media (max-width: 900px){
  .page--portal .workspace{
    padding-top: 56px;
  }
  .page--portal .workspace__main{
    padding-top: 56px;
  }
  .page--portal .mobileNavToggle{
    top: 16px;
    right: 16px;
  }
}

/* Portal layouts */
.page--portal{ align-items:flex-start; justify-content:center; }
.page--portal .workspace{
  height: auto;
  min-height: 100vh;
}
.page--portal .workspace__main{
  min-height: 100vh;
  overflow:auto;
}
.portalShell{
  width: 100%;
  padding: 32px 20px 60px;
  display:flex;
  flex-direction:column;
  gap: 20px;
}
.portalShell--wide{ width: 100%; }
.portalHeader{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
}
.portalTitle{ font-weight:800; font-size:20px; }
.portalSub{ font-size:13px; color: var(--muted); margin-top:4px; }
.portalNav{ display:flex; gap: 12px; flex-wrap:wrap; }
.portalNav a{
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  text-decoration:none;
  color: var(--muted);
  border: 1px solid transparent;
}
.portalNav a.active{ border-color: rgba(0,168,132,.45); color: var(--text); }
.iconBtn--light{ background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.3); }

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.cardHead{ display:flex; justify-content:space-between; gap: 14px; flex-wrap:wrap; align-items:center; }
.cardTitle{ font-weight: 700; font-size: 16px; }
.cardSub{ font-size: 13px; color: var(--muted); margin-top:4px; }
.cardActions{ display:flex; gap: 8px; }

.chipBtn{
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 999px;
  padding: 8px 14px;
  background: rgba(0,0,0,.18);
  color: var(--text);
  cursor:pointer;
}
.chipBtn:hover{ border-color: rgba(0,168,132,.45); }

.tableWrap{ overflow:auto; border-radius: 14px; border: 1px solid rgba(255,255,255,.08); }
.dataTable{ width:100%; border-collapse:collapse; }
.dataTable th,
.dataTable td{
  text-align:left;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255,255,255,.05);
  font-size: 13px;
}
.dataTable th{ font-size: 12px; color: var(--muted); text-transform:uppercase; letter-spacing:.04em; }
.tplName{ font-weight:700; }
.tplMeta{ font-size:12px; color: var(--muted2); }

.callout{
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.18);
  padding: 12px 14px;
  font-size: 13px;
}
.callout--success{ border-color: rgba(0,168,132,.45); color: var(--green); }
.callout--error{ border-color: rgba(255,92,92,.35); color: var(--danger); }

.modal{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  display:none;
  align-items:center;
  justify-content:center;
  padding: 20px;
  z-index: 30;
}
.modal--open{ display:flex; }
.modal__dialog{
  width: min(480px, 100%);
  border-radius: 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 24px;
  box-shadow: var(--shadow);
  position:relative;
}
.modal__close{
  position:absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.08);
  color: var(--text);
}
.formStack{ display:flex; flex-direction:column; gap: 12px; }
.variablesGrid{ display:flex; flex-direction:column; gap: 8px; }
.varField{ display:flex; flex-direction:column; gap: 6px; font-size: 12px; color: var(--muted); }
.varField input{
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.2);
  color: var(--text);
}

.rangeFilter{ display:flex; gap: 10px; flex-wrap:wrap; }
.rangeBtn{
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(0,0,0,.2);
  color: var(--text);
  padding: 8px 14px;
  cursor:pointer;
}
.rangeBtn.active{ border-color: rgba(0,168,132,.45); }

.statsGrid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}
.statCard{ border: 1px solid var(--border); border-radius: 16px; padding: 16px; background: rgba(0,0,0,.25); }
.statLabel{ font-size: 12px; color: var(--muted); text-transform:uppercase; letter-spacing:.05em; }
.statValue{ font-size: 28px; font-weight: 800; margin-top: 6px; }

.dashboardGrid{
  display:grid;
  grid-template-columns: minmax(0,1.2fr) minmax(320px, 1fr);
  gap: 20px;
  align-items:stretch;
}
.recentList{ margin-top: 14px; max-height: 560px; overflow:auto; display:flex; flex-direction:column; gap: 8px; }
.recentRow{
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px;
  padding: 12px 14px;
  background: rgba(0,0,0,.22);
  cursor:pointer;
}
.recentRow--active{ border-color: rgba(0,168,132,.45); background: rgba(0,168,132,.12); }
.recentRow__top{ display:flex; justify-content:space-between; font-size: 13px; }
.recentRow__name{ font-weight:700; }
.recentRow__time{ color: var(--muted2); }
.recentRow__bottom{ margin-top:6px; display:flex; justify-content:space-between; font-size: 12px; color: var(--muted); }
.recentRow__status{ display:flex; gap: 6px; align-items:center; }

.statusIcon{ display:inline-flex; width: 20px; height: 20px; align-items:center; justify-content:center; color: rgba(255,255,255,.65); }
.statusIcon svg{ width: 18px; height: 18px; stroke: currentColor; stroke-width: 2px; fill:none; stroke-linecap:round; stroke-linejoin:round; }
.statusIcon--delivered{ color: rgba(255,255,255,.75); }
.statusIcon--read{ color: #34b7f1; }
.statusIcon--failed{ color: var(--danger); }

.detailPanel{
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(0,0,0,.3);
  display:flex;
  flex-direction:column;
  min-height: 520px;
  max-height: 80vh;
  overflow:hidden;
}
.detailPanel__header,
.detailPanel__footer{
  padding: 18px;
  background: rgba(17,27,33,.85);
  border-bottom: 1px solid rgba(255,255,255,.08);
  position: sticky;
  z-index: 2;
}
.detailPanel__header{ top:0; }
.detailPanel__footer{ bottom:0; border-bottom:0; border-top: 1px solid rgba(255,255,255,.08); }
.detailPanel__body{ flex:1; overflow-y:auto; padding: 18px; display:flex; flex-direction:column; gap: 12px; }
.detailSubtitle{ font-size: 13px; color: var(--muted); margin-top:6px; }
.detailRow{ display:grid; grid-template-columns: 140px 1fr; gap: 12px; }
.detailLabel{ font-size: 12px; color: var(--muted); text-transform:uppercase; letter-spacing:.04em; }
.detailValue{ font-size: 13px; color: var(--text); display:flex; flex-direction:column; gap: 8px; }
.detailStatusValue{ flex-direction:row; align-items:center; gap: 6px; }
.codeBlock{
  background: rgba(0,0,0,.35);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  padding: 12px;
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 12px;
  overflow:auto;
}
.detailActions{ display:flex; gap: 10px; justify-content:flex-end; }
.btn--ghost{
  border: 1px solid rgba(255,255,255,.25);
  background: transparent;
  color: var(--text);
  border-radius: 12px;
  padding: 10px 14px;
}
.btn:disabled,
.chipBtn:disabled{
  opacity:.5;
  cursor:not-allowed;
}
.detailStatus{ font-size: 13px; color: var(--muted); }
.detailStatus--success{ color: var(--green); }
.detailStatus--error{ color: var(--danger); }

.timeline{ display:flex; flex-direction:column; gap: 6px; }
.timelineItem{ display:flex; align-items:center; gap: 8px; font-size: 13px; }
.timelineTime{ margin-left:auto; font-size: 12px; color: var(--muted2); }

.muted{ color: var(--muted); }