:root {
  --bg: #0a0a0f;
  --text: #ececf5;
  --muted: #9a9ab4;
  --glass: rgba(23, 23, 34, 0.55);
  --glass-solid: #14141d;
  --fill: rgba(255, 255, 255, 0.045);
  --fill-hover: rgba(255, 255, 255, 0.075);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --accent: #8b5cf6;
  --accent-2: #6366f1;
  --accent-soft: rgba(139, 92, 246, 0.16);
  --grad: linear-gradient(135deg, #a855f7 0%, #6366f1 52%, #38bdf8 100%);
  --grad-soft: linear-gradient(135deg, rgba(168, 85, 247, 0.16), rgba(56, 189, 248, 0.12));
  --ok: #34d399;
  --err: #fb7185;
  --radius: 16px;
  --shadow: 0 24px 70px -30px rgba(0, 0, 0, 0.85);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(58% 48% at 14% 0%, rgba(139, 92, 246, 0.20), transparent 60%),
    radial-gradient(50% 45% at 100% 6%, rgba(56, 189, 248, 0.15), transparent 55%),
    radial-gradient(45% 45% at 82% 100%, rgba(236, 72, 153, 0.10), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  font: 15px/1.55 'Inter', -apple-system, 'Segoe UI', Roboto, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

/* --- Brand --- */
.brand { display: flex; align-items: center; gap: 11px; }
.brand h1, .app-name {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand h1 { font-size: 25px; }
.app-name { font-size: 18px; }
.logo-mark { width: 22px; height: 22px; flex: none; filter: drop-shadow(0 2px 8px rgba(124, 92, 246, 0.45)); }
.logo-mark.lg { width: 30px; height: 30px; }

.tagline { color: var(--muted); margin: 8px 0 20px; }
.hint { color: var(--muted); font-size: 13px; margin: 0 0 14px; }
.hint code, code { background: var(--fill); padding: 1px 6px; border-radius: 6px; font-size: 12px; color: #c9c2ff; }

/* --- Cards (glass) --- */
.card {
  background: var(--glass);
  backdrop-filter: blur(22px) saturate(1.3);
  -webkit-backdrop-filter: blur(22px) saturate(1.3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 18px;
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.card h2 { margin: 0 0 4px; font-size: 18px; letter-spacing: -0.01em; }
.card h3 { margin: 22px 0 8px; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* --- Auth --- */
.auth { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.auth-card {
  width: 100%; max-width: 380px; text-align: center; padding: 30px 26px;
  box-shadow: var(--shadow), 0 0 90px -40px rgba(139, 92, 246, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.auth-card .brand { justify-content: center; margin-bottom: 2px; }
#auth-form { display: flex; flex-direction: column; gap: 11px; margin-top: 6px; }

/* --- Inputs --- */
input, textarea, select {
  width: 100%;
  background: var(--fill);
  border: 1px solid var(--border);
  border-radius: 11px;
  color: var(--text);
  padding: 12px 13px;
  font: inherit;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
input::placeholder, textarea::placeholder { color: #6b6b84; }
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--fill-hover);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
textarea { resize: vertical; }

/* --- Buttons --- */
.btn-primary {
  width: 100%;
  background: var(--grad);
  background-size: 140% 140%;
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 13px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.65);
  transition: transform .06s, filter .18s, box-shadow .18s, background-position .4s;
}
.btn-primary:hover { filter: brightness(1.08); background-position: 100% 0; box-shadow: 0 14px 36px -10px rgba(99, 102, 241, 0.8); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; box-shadow: none; }
.btn-primary.small { width: auto; padding: 9px 18px; font-size: 14px; }
.btn-ghost {
  background: var(--fill);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 9px 15px;
  font-size: 14px;
  cursor: pointer;
  margin-right: 8px;
  transition: border-color .15s, background .15s;
}
.btn-ghost:hover { border-color: var(--border-strong); background: var(--fill-hover); }

.error { color: var(--err); font-size: 13px; min-height: 18px; }
.save-msg { color: var(--ok); font-size: 13px; min-height: 18px; margin-top: 8px; }

/* --- Top nav --- */
.topnav {
  display: flex; align-items: center; gap: 20px; padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 10, 15, 0.6);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  position: sticky; top: 0; z-index: 10;
}
.tabs { display: flex; gap: 4px; margin: 0 auto 0 12px; }
.tab {
  background: none; border: 1px solid transparent; color: var(--muted);
  padding: 8px 15px; border-radius: 10px; cursor: pointer; font-size: 14px; font-weight: 600;
  transition: color .15s, background .15s, border-color .15s;
}
.tab:hover { color: var(--text); background: var(--fill); }
.tab.active { color: #fff; background: var(--accent-soft); border-color: rgba(139, 92, 246, 0.35); }
.who { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 14px; }

.panel { max-width: 620px; margin: 30px auto; padding: 0 16px; }

/* --- Composer --- */
/* --- Content-type modes (segmented control) --- */
.modes {
  display: flex; gap: 5px; margin-bottom: 18px; padding: 4px;
  background: var(--fill); border: 1px solid var(--border); border-radius: 13px;
}
.mode {
  flex: 1; background: none; border: none; color: var(--muted);
  padding: 10px 8px; border-radius: 10px; cursor: pointer; font-size: 14px; font-weight: 600;
  display: flex; align-items: center; justify-content: center; gap: 7px;
  transition: color .15s, background .15s, box-shadow .2s;
}
.mode:hover { color: var(--text); }
.mode.active { color: #fff; background: var(--grad); box-shadow: 0 8px 20px -8px rgba(99, 102, 241, 0.75); }
.mode-ico { font-size: 15px; }
@media (max-width: 480px) { .mode { flex-direction: column; gap: 3px; font-size: 12px; } }

.quick { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.chip {
  background: var(--fill); border: 1px solid var(--border); color: var(--text);
  padding: 7px 14px; border-radius: 999px; font-size: 13px; cursor: pointer; transition: border-color .15s, background .15s;
}
.chip:hover { border-color: var(--accent); background: var(--accent-soft); }
.row { display: flex; align-items: center; justify-content: space-between; margin: 14px 0; gap: 10px; }
.row-left { display: flex; align-items: center; gap: 18px; }
.attach { cursor: pointer; color: var(--muted); font-size: 14px; transition: color .15s; }
.attach:hover { color: var(--text); }
.emoji-btn { background: none; border: none; color: var(--muted); font-size: 14px; cursor: pointer; padding: 0; transition: color .15s; }
.emoji-btn:hover { color: var(--text); }
.counter { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.counter.over { color: var(--err); font-weight: 600; }

.emoji-panel {
  display: flex; flex-wrap: wrap; gap: 3px; margin: 0 0 14px; padding: 10px;
  border: 1px solid var(--border); border-radius: 12px; background: var(--fill);
  max-height: 168px; overflow-y: auto;
}
.emoji { background: none; border: none; cursor: pointer; font-size: 20px; line-height: 1; padding: 5px; border-radius: 8px; transition: background .12s; }
.emoji:hover { background: var(--accent-soft); }

.channels { display: flex; flex-direction: column; gap: 9px; margin-bottom: 18px; }
.channel {
  display: flex; align-items: center; gap: 12px;
  background: var(--fill); border: 1px solid var(--border); border-radius: 12px;
  padding: 13px 15px; cursor: pointer; transition: border-color .15s, background .15s;
}
.channel:hover { border-color: var(--border-strong); }
.channel.on { border-color: rgba(139, 92, 246, 0.45); background: var(--grad-soft); }
.channel.disabled { opacity: 0.45; cursor: not-allowed; }
.channel .name { font-weight: 600; }
.channel .meta { color: var(--muted); font-size: 12px; margin-left: auto; }
.channel input { width: 18px; height: 18px; accent-color: var(--accent); }

.results { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.result {
  display: flex; align-items: center; gap: 10px; padding: 11px 13px; border-radius: 11px; font-size: 14px;
  border: 1px solid var(--border); background: var(--fill);
}
.result.ok { border-color: rgba(52, 211, 153, 0.4); background: rgba(52, 211, 153, 0.06); }
.result.err { border-color: rgba(251, 113, 133, 0.4); background: rgba(251, 113, 133, 0.06); }
.result .badge { font-weight: 700; }
.result.ok .badge { color: var(--ok); }
.result.err .badge { color: var(--err); }
.result a { color: #a9c7ff; margin-left: auto; text-decoration: none; }
.result a:hover { text-decoration: underline; }
.result .why { color: var(--muted); margin-left: auto; }

/* --- Editors --- */
.editor-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 12px; }
.editor-row { display: flex; gap: 8px; align-items: flex-start; }
.editor-row .tpl-fields { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.editor-row input.tpl-label { font-weight: 600; }
.editor-row .del, .var-row .del {
  background: var(--fill); border: 1px solid var(--border); color: var(--muted);
  border-radius: 9px; width: 38px; height: 38px; cursor: pointer; flex: none; transition: color .15s, border-color .15s;
}
.editor-row .del:hover, .var-row .del:hover { color: var(--err); border-color: var(--err); }
.var-row { display: flex; gap: 8px; align-items: center; }
.var-row .vname { max-width: 180px; }

/* --- Connections --- */
.conn-list { display: flex; flex-direction: column; gap: 12px; }
.conn { border: 1px solid var(--border); border-radius: 12px; padding: 15px; background: var(--fill); }
.conn-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; }
.conn-head .name { font-weight: 700; }
.pill { font-size: 12px; padding: 4px 11px; border-radius: 999px; font-weight: 600; }
.pill.on { background: rgba(52, 211, 153, 0.16); color: var(--ok); }
.pill.off { background: rgba(154, 154, 180, 0.14); color: var(--muted); }
.pill.soon { background: var(--grad-soft); color: #c4b5fd; }
.conn-fields { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.conn-actions { display: flex; gap: 8px; margin-top: 10px; }

.add-user { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.add-user input { flex: 1; min-width: 140px; }
.add-user select { width: auto; }

.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 26px; }
@media (max-width: 560px) { .tabs { margin-left: 0; } .who span { display: none; } }