/* ───────── comfort layer: calmer surfaces, softer edges, gentle motion ───────── */
:root {
  --bg: #100e1a;
  --panel: #181527;
  --panel-2: #211d34;
  --line: #302a47;
  --text: #e7e5f1;
  --muted: #a19cb8;
  --brand: #8b72e8;
  --brand-ink: #ffffff;
  --ok: #4cc9a0;
  --warn: #f2bf5a;
  --err: #ff7272;
  --info: #6aaeff;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(0,0,0,.25), 0 8px 24px rgba(0,0,0,.18);
}
:root[data-theme="light"] {
  --bg: #f4f2fa; --panel: #ffffff; --panel-2: #eeebf7; --line: #dedaee; --text: #232133; --muted: #6b6785;
  --brand: #6d4fd6; --brand-ink: #ffffff; --ok: #1f9d74; --warn: #b7791f; --err: #d64545; --info: #2f7ad1;
  --shadow: 0 1px 2px rgba(40,30,70,.06), 0 8px 24px rgba(40,30,70,.08);
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]):not([data-theme="light"]) {
    --bg: #f4f2fa; --panel: #ffffff; --panel-2: #eeebf7; --line: #dedaee; --text: #232133; --muted: #6b6785;
    --brand: #6d4fd6; --brand-ink: #ffffff; --ok: #1f9d74; --warn: #b7791f; --err: #d64545; --info: #2f7ad1;
    --shadow: 0 1px 2px rgba(40,30,70,.06), 0 8px 24px rgba(40,30,70,.08);
  }
}
html { -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }
body { font-size: 15.5px; line-height: 1.7; letter-spacing: .005em; }
.card, .stat, .login-card, .convs, .thread, .cats, .modal { box-shadow: var(--shadow); border-color: transparent; }
:root[data-theme="light"] .card, :root[data-theme="light"] .stat, :root[data-theme="light"] .login-card,
:root[data-theme="light"] .convs, :root[data-theme="light"] .thread, :root[data-theme="light"] .cats { border-color: var(--line); }
.card { padding: 18px 20px; margin-bottom: 16px; }
.main { padding: 28px clamp(16px, 3vw, 40px); max-width: 1400px; }
.main h2 { font-size: 22px; margin-bottom: 18px; font-weight: 700; }
.btn, .tab, .conv, .logrow, tbody tr.click, input, select, textarea { transition: background-color .15s ease, border-color .15s ease, color .15s ease, transform .1s ease; }
.btn:active { transform: translateY(1px); }
.btn.primary:hover { filter: brightness(1.06); }
.btn { border-radius: 12px; padding: 9px 16px; }
.btn.small { padding: 5px 12px; }
input[type=text], input[type=password], input[type=search], input[type=email], textarea, select { border-radius: 12px; padding: 10px 14px; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 25%, transparent); }
.btn:focus-visible, .tab:focus-visible, .conv:focus-visible, .logrow:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

.login { background: radial-gradient(900px 500px at 80% -10%, color-mix(in srgb, var(--brand) 16%, transparent), transparent 60%), radial-gradient(700px 400px at 0% 110%, color-mix(in srgb, var(--info) 12%, transparent), transparent 60%), var(--bg); }
.login-card { padding: 34px 28px; border-radius: 20px; }
.login-card .logo { width: 52px; height: 52px; border-radius: 16px; background: var(--brand); display: grid; place-items: center; font-size: 26px; margin-bottom: 14px; }
.login-card h1 { font-size: 24px; }

.side { padding: 20px 14px; gap: 6px; }
.side .brand { font-size: 19px; padding: 6px 12px 16px; }
.tab { padding: 10px 12px; border-radius: 12px; }
.tab .ico { width: 22px; display: inline-block; text-align: center; margin-inline-end: 8px; }
.tab .grow-label { flex: 1; text-align: start; }
.side .who { display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center; }
.side .who b { flex: 1 1 100%; }
.side .tools { display: flex; gap: 6px; margin-top: 4px; }

.stat { padding: 16px 18px; }
.stat b { font-size: 28px; font-weight: 700; margin-bottom: 2px; }
.badge { padding: 2px 10px; }
td, th { padding: 11px 12px; }
.empty { padding: 44px 20px; font-size: 15px; }
.empty::before { content: ""; display: block; width: 36px; height: 4px; border-radius: 4px; background: var(--brand); opacity: .5; margin: 0 auto 14px; }
.empty.loading::before { animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: .25; width: 24px; } 50% { opacity: .7; width: 56px; } }

.msg { border-radius: 18px; padding: 10px 14px; }
.thread .msgs { background: color-mix(in srgb, var(--bg) 40%, transparent); }
.conv { padding: 12px 14px; }
.conv.active { box-shadow: inset 3px 0 0 var(--brand); }
[dir=rtl] .conv.active { box-shadow: inset -3px 0 0 var(--brand); }

.logrow { padding: 9px 10px; border-radius: 8px; border-bottom-color: color-mix(in srgb, var(--line) 60%, transparent); }
.modal { border-radius: 20px; padding: 24px; }
.modal-back { backdrop-filter: blur(3px); background: rgba(8,6,16,.6); }
.toast { box-shadow: var(--shadow); background: var(--panel-2); }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }
@media (max-width: 860px) {
  .main { padding: 18px 14px; }
  .side { padding: 12px; }
  .tab .ico { margin-inline-end: 6px; }
}

.svg-ico { vertical-align: -3px; flex: none; }
.tab .ico { display: inline-grid; place-items: center; }
.login-card .logo { color: var(--brand-ink); }
.msg .svg-ico { opacity: .75; }

.google { margin-top: 12px; text-align: center; }
.google-link { display: inline-flex; align-items: center; gap: 8px; background: transparent; color: var(--muted); }
.google-link:hover { color: var(--text); }