/* Orator Cloud console. (c) 2026 Spark Fire Technologies. */
:root {
  --bg: #f4f6f9; --surface: #ffffff; --surface-2: #f8fafc; --surface-3: #eef2f6;
  --text: #17212c; --text-2: #4a5866; --text-3: #6b7885; --border: #dbe2ea; --border-2: #c7d1dc;
  --navy: #1b2a3a; --nav-bg: #1b2a3a; --nav-text: #c9d4df; --nav-text-active: #ffffff; --nav-hover: #24384c;
  --accent: #d9792b; --accent-strong: #b8611b; --accent-soft: #fbeee2; --on-accent: #ffffff;
  --ok: #1e7f4f; --ok-soft: #e3f4ea; --warn: #9a6200; --warn-soft: #fdf1d8; --bad: #b42318; --bad-soft: #fde7e5;
  --info: #1f5f99; --info-soft: #e3eef8; --muted-soft: #edf0f3;
  --focus: #d9792b; --shadow: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.08);
  --shadow-lg: 0 12px 32px rgba(16,24,40,.18); --code-bg: #f1f4f8; --qr-bg: #ffffff; --qr-fg: #000000;
  color-scheme: light;
  --radius: 8px; --radius-sm: 6px; --nav-w: 236px; --top-h: 56px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #0f1720; --surface: #16212d; --surface-2: #1a2734; --surface-3: #213040;
  --text: #e6edf3; --text-2: #b3c0cc; --text-3: #8b9aa8; --border: #2a3a4b; --border-2: #36495d;
  --navy: #1b2a3a; --nav-bg: #111b25; --nav-text: #a9b8c6; --nav-text-active: #ffffff; --nav-hover: #1c2b3a;
  --accent: #e58a3f; --accent-strong: #f09a52; --accent-soft: #3a2a1c; --on-accent: #1a1006;
  --ok: #4cc38a; --ok-soft: #173327; --warn: #f0b44c; --warn-soft: #3a2d14; --bad: #f97066; --bad-soft: #3d1c1a;
  --info: #6fb1ec; --info-soft: #172b3d; --muted-soft: #1f2c39;
  --focus: #f09a52; --shadow: 0 1px 2px rgba(0,0,0,.4); --shadow-lg: 0 12px 32px rgba(0,0,0,.5);
  --code-bg: #0d151d; --qr-bg: #ffffff; --qr-fg: #000000;
  color-scheme: dark;} }
:root[data-theme="dark"] {
  --bg: #0f1720; --surface: #16212d; --surface-2: #1a2734; --surface-3: #213040;
  --text: #e6edf3; --text-2: #b3c0cc; --text-3: #8b9aa8; --border: #2a3a4b; --border-2: #36495d;
  --navy: #1b2a3a; --nav-bg: #111b25; --nav-text: #a9b8c6; --nav-text-active: #ffffff; --nav-hover: #1c2b3a;
  --accent: #e58a3f; --accent-strong: #f09a52; --accent-soft: #3a2a1c; --on-accent: #1a1006;
  --ok: #4cc38a; --ok-soft: #173327; --warn: #f0b44c; --warn-soft: #3a2d14; --bad: #f97066; --bad-soft: #3d1c1a;
  --info: #6fb1ec; --info-soft: #172b3d; --muted-soft: #1f2c39;
  --focus: #f09a52; --shadow: 0 1px 2px rgba(0,0,0,.4); --shadow-lg: 0 12px 32px rgba(0,0,0,.5);
  --code-bg: #0d151d; --qr-bg: #ffffff; --qr-fg: #000000;
  color-scheme: dark;}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font: 14px/1.5 var(--font); -webkit-font-smoothing: antialiased; min-height: 100vh; }
a { color: var(--accent-strong); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3, h4 { margin: 0 0 .5rem; line-height: 1.25; font-weight: 650; }
h1 { font-size: 1.45rem; } h2 { font-size: 1.12rem; } h3 { font-size: 1rem; } h4 { font-size: .9rem; }
p { margin: 0 0 .75rem; }
code, pre, .mono { font-family: var(--mono); font-size: .86em; }
code { background: var(--code-bg); padding: .1em .35em; border-radius: 4px; word-break: break-all; }
pre { background: var(--code-bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .75rem; overflow: auto; margin: 0 0 .75rem; white-space: pre-wrap; word-break: break-word; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--accent); color: var(--on-accent); padding: .5rem .75rem; border-radius: var(--radius-sm); }
.skip:focus { left: 8px; }
[hidden] { display: none !important; }

.ic { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.ic.sm { width: 15px; height: 15px; } .ic.lg { width: 22px; height: 22px; }

/* ---------- layout */
.shell { display: grid; grid-template-columns: var(--nav-w) 1fr; grid-template-rows: var(--top-h) 1fr; min-height: 100vh; }
.topbar { grid-column: 1 / -1; display: flex; align-items: center; gap: .75rem; padding: 0 1rem; background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20; }
.brand { display: flex; align-items: center; gap: .55rem; color: var(--text); font-weight: 700; font-size: 1rem; white-space: nowrap; margin-right: .5rem; }
.brand:hover { text-decoration: none; }
.brand .mark { width: 28px; height: 28px; }
.brand small { font-weight: 500; color: var(--text-3); font-size: .72rem; display: block; line-height: 1; }
.mark .ring { fill: none; stroke: var(--accent); stroke-width: 3.2; }
.mark .core { fill: var(--navy); }
:root[data-theme="dark"] .mark .core { fill: #c9d4df; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .mark .core { fill: #c9d4df; } }
.switchers { display: flex; gap: .5rem; align-items: center; min-width: 0; }
.switcher { display: flex; flex-direction: column; min-width: 0; }
.switcher label { font-size: .66rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); line-height: 1; margin-bottom: 2px; }
.switcher select { min-width: 120px; max-width: 200px; padding: .2rem 1.6rem .2rem .45rem; height: 28px; }
.top-spacer { flex: 1; }
.nav { background: var(--nav-bg); color: var(--nav-text); padding: .75rem .5rem 1rem; overflow-y: auto; position: sticky; top: var(--top-h); height: calc(100vh - var(--top-h)); display: flex; flex-direction: column; }
.nav ul { list-style: none; margin: 0; padding: 0; }
.nav li a { display: flex; align-items: center; gap: .65rem; padding: .5rem .7rem; border-radius: var(--radius-sm); color: var(--nav-text); font-weight: 500; }
.nav li a:hover { background: var(--nav-hover); color: var(--nav-text-active); text-decoration: none; }
.nav li a[aria-current="page"] { background: var(--nav-hover); color: var(--nav-text-active); box-shadow: inset 3px 0 0 var(--accent); }
.nav .sep { height: 1px; background: rgba(255,255,255,.08); margin: .6rem .4rem; }
.nav .nav-label { font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; padding: .3rem .7rem; color: #7f93a6; }
.nav .nav-foot { margin-top: auto; padding: .75rem .7rem 0; font-size: .72rem; color: #7f93a6; }
main { min-width: 0; display: flex; flex-direction: column; }
main:focus { outline: none; }
.content { padding: 1.5rem 1.75rem 2rem; max-width: 1280px; width: 100%; flex: 1; }
.footer { padding: 1rem 1.75rem 1.5rem; color: var(--text-3); font-size: .78rem; border-top: 1px solid var(--border); }
.btn.menu-btn { display: none; }
.scrim { display: none; }

/* ---------- page header */
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.page-head p { color: var(--text-2); margin: .2rem 0 0; }
.crumbs { display: flex; flex-wrap: wrap; gap: .3rem; align-items: center; font-size: .82rem; color: var(--text-3); margin-bottom: .35rem; }
.crumbs a { color: var(--text-2); }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }

/* ---------- cards / grid */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1rem 1.1rem; margin-bottom: 1rem; min-width: 0; }
.card > h2:first-child, .card > h3:first-child, .card-head h2, .card-head h3 { margin-bottom: .6rem; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: .75rem; margin-bottom: .5rem; flex-wrap: wrap; }
.card-head h2, .card-head h3 { margin: 0; }
.card.flush { padding: 0; }
.card.flush > .card-head { padding: .85rem 1.1rem .25rem; }
.grid { display: grid; gap: 1rem; }
.grid.c2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.c3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.c4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid > .card { margin-bottom: 0; }
.grid > .span2 { grid-column: span 2; }
.stack > * + * { margin-top: 1rem; }
.stat { display: flex; flex-direction: column; gap: .15rem; }
.stat .v { font-size: 1.5rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat .l { color: var(--text-3); font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; }
.muted { color: var(--text-3); }
.small { font-size: .82rem; }
.row { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.wrap-any { overflow-wrap: anywhere; }

/* ---------- buttons & inputs */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; height: 34px; padding: 0 .85rem; border-radius: var(--radius-sm); border: 1px solid var(--border-2); background: var(--surface); color: var(--text); font: inherit; font-weight: 550; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--surface-3); text-decoration: none; }
.btn:disabled, .btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.btn.danger { color: var(--bad); border-color: var(--bad); }
.btn.danger:hover { background: var(--bad-soft); }
.btn.danger.solid { background: var(--bad); color: #fff; }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.ghost:hover { background: var(--surface-3); }
.btn.sm { height: 28px; padding: 0 .55rem; font-size: .82rem; }
.btn.icon { width: 34px; padding: 0; }
.btn.icon.sm { width: 28px; }
input, select, textarea { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border-2); border-radius: var(--radius-sm); padding: .45rem .6rem; width: 100%; min-width: 0; }
input[type="checkbox"], input[type="radio"] { width: auto; accent-color: var(--accent); }
input[type="file"] { padding: .35rem; }
textarea { min-height: 90px; resize: vertical; }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--focus); outline-offset: 0; border-color: var(--focus); }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--text-3) 50%), linear-gradient(135deg, var(--text-3) 50%, transparent 50%); background-position: calc(100% - 14px) 50%, calc(100% - 9px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 1.8rem; }
.field { display: flex; flex-direction: column; gap: .3rem; margin-bottom: .85rem; min-width: 0; }
.field > label, .field > .lbl { font-weight: 600; font-size: .85rem; }
.field .hint { color: var(--text-3); font-size: .78rem; }
.field.check { flex-direction: row; align-items: center; gap: .5rem; }
.field.check label { font-weight: 500; }
.checks { display: flex; flex-wrap: wrap; gap: .35rem 1rem; }
.checks label { display: inline-flex; gap: .35rem; align-items: center; font-weight: 500; font-size: .85rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1rem; }
.form-grid .full { grid-column: 1 / -1; }
.form-actions { display: flex; gap: .5rem; justify-content: flex-end; margin-top: .25rem; flex-wrap: wrap; }
.form-error { color: var(--bad); background: var(--bad-soft); border-radius: var(--radius-sm); padding: .5rem .7rem; margin-bottom: .75rem; font-size: .88rem; }
.inline-form { display: flex; gap: .5rem; align-items: flex-end; flex-wrap: wrap; }
.inline-form .field { margin-bottom: 0; }

/* ---------- tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { text-align: left; padding: .55rem .75rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: .74rem; text-transform: uppercase; letter-spacing: .05em; color: var(--text-3); font-weight: 600; background: var(--surface-2); white-space: nowrap; }
tbody tr:hover td { background: var(--surface-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.act { text-align: right; white-space: nowrap; }
.empty { padding: 1.5rem; text-align: center; color: var(--text-3); }
.kv { display: grid; grid-template-columns: minmax(120px, max-content) 1fr; gap: .35rem 1rem; margin: 0; font-size: .88rem; }
.kv dt { color: var(--text-3); }
.kv dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }

/* ---------- badges, meters, notices */
.badge { display: inline-flex; align-items: center; gap: .25rem; padding: .05rem .5rem; border-radius: 999px; font-size: .74rem; font-weight: 600; background: var(--muted-soft); color: var(--text-2); white-space: nowrap; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.bad { background: var(--bad-soft); color: var(--bad); }
.badge.info { background: var(--info-soft); color: var(--info); }
.badge.accent { background: var(--accent-soft); color: var(--accent-strong); }
.meter { margin-bottom: .85rem; }
.meter .row { justify-content: space-between; font-size: .85rem; margin-bottom: .25rem; }
.bar { height: 8px; background: var(--surface-3); border-radius: 999px; overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--accent); border-radius: 999px; width: 0; }
.bar.ok > span { background: var(--ok); } .bar.warn > span { background: var(--warn); } .bar.bad > span { background: var(--bad); }
.bar.navy > span { background: #3d6a94; }
.notice { display: flex; gap: .6rem; align-items: flex-start; padding: .7rem .9rem; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface-2); margin-bottom: 1rem; font-size: .88rem; }
.notice.warn { background: var(--warn-soft); border-color: transparent; color: var(--text); }
.notice.warn .ic { color: var(--warn); }
.notice.info { background: var(--info-soft); border-color: transparent; }
.notice.info .ic { color: var(--info); }
.notice.bad { background: var(--bad-soft); border-color: transparent; }
.notice.bad .ic { color: var(--bad); }
.notice.ok { background: var(--ok-soft); border-color: transparent; }
.notice.ok .ic { color: var(--ok); }
.notice p:last-child { margin-bottom: 0; }
.reason { font-weight: 600; color: var(--warn); }
.secret-box { display: flex; gap: .5rem; align-items: stretch; margin-bottom: .75rem; }
.secret-box code, .secret-box pre { flex: 1; margin: 0; display: block; padding: .55rem .7rem; }

/* ---------- plane cards */
.plane { display: flex; flex-direction: column; gap: .4rem; }
.plane .row { justify-content: space-between; }
.plane .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--text-3); display: inline-block; }
.plane .dot.on { background: var(--ok); } .plane .dot.off { background: var(--warn); }

/* ---------- accounting split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.split > section { border: 1px dashed var(--border-2); border-radius: var(--radius); padding: .9rem 1rem; }
.split > section.logical { border-color: var(--accent); }
.split > section.physical { border-color: #3d6a94; }
.split h3 { display: flex; gap: .4rem; align-items: center; }
.tag-l { color: var(--accent-strong); } .tag-p { color: #3d6a94; }
:root[data-theme="dark"] .tag-p { color: #7fb0dd; }

/* ---------- tabs */
.tabs { display: flex; gap: .25rem; border-bottom: 1px solid var(--border); margin-bottom: 1rem; overflow-x: auto; }
.tabs a, .tabs button { padding: .55rem .85rem; color: var(--text-2); border: 0; background: none; font: inherit; font-weight: 550; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs a:hover, .tabs button:hover { color: var(--text); text-decoration: none; }
.tabs [aria-selected="true"], .tabs [aria-current="page"] { color: var(--text); border-bottom-color: var(--accent); }

/* ---------- object browser */
.path { display: flex; flex-wrap: wrap; align-items: center; gap: .2rem; font-family: var(--mono); font-size: .85rem; }
.path a { padding: .1rem .3rem; border-radius: 4px; }
.obj-name { display: inline-flex; align-items: center; gap: .4rem; }
.progress-list { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1rem; }
.progress-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .5rem .75rem; font-size: .85rem; }

/* ---------- timeline / research */
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline li { position: relative; padding: 0 0 .9rem 1.6rem; }
.timeline li::before { content: ""; position: absolute; left: 6px; top: 4px; width: 10px; height: 10px; border-radius: 50%; background: var(--border-2); }
.timeline li::after { content: ""; position: absolute; left: 10.5px; top: 16px; bottom: 0; width: 1px; background: var(--border); }
.timeline li:last-child::after { display: none; }
.timeline li.done::before { background: var(--ok); } .timeline li.running::before { background: var(--accent); }
.timeline li.failed::before { background: var(--bad); }
.paper h2 { margin-top: 1rem; }
.para { position: relative; padding: .5rem .75rem .5rem .9rem; border-left: 3px solid var(--border-2); margin-bottom: .6rem; background: var(--surface-2); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.para.p-retrieved_source { border-left-color: var(--ok); }
.para.p-user_document { border-left-color: var(--info); }
.para.p-generated_interpretation { border-left-color: var(--warn); }
.para.p-calculation { border-left-color: #8a5cd0; }
.para .prov { margin-bottom: .25rem; display: flex; gap: .35rem; flex-wrap: wrap; align-items: center; }
.badge.prov-calculation { background: #efe6fb; color: #6b3fb0; }
:root[data-theme="dark"] .badge.prov-calculation { background: #2c2140; color: #c7a8f5; }
.legend { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: .75rem; }

/* ---------- chat */
.chat { display: flex; flex-direction: column; gap: .75rem; max-height: 56vh; min-height: 220px; overflow-y: auto; padding: .25rem; }
.msg { max-width: 85%; padding: .6rem .8rem; border-radius: 10px; white-space: pre-wrap; overflow-wrap: anywhere; }
.msg.user { align-self: flex-end; background: var(--accent-soft); }
.msg.assistant { align-self: flex-start; background: var(--surface-3); }
.msg.error { align-self: stretch; background: var(--bad-soft); color: var(--bad); }
.msg .who { display: block; font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); margin-bottom: .15rem; }
.composer { display: flex; gap: .5rem; align-items: flex-end; margin-top: .75rem; }
.composer textarea { min-height: 54px; }

/* ---------- auth pages */
.auth { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 2rem 1rem; background: linear-gradient(160deg, var(--navy) 0%, var(--navy) 38%, var(--bg) 38%); }
.auth .brand { color: #fff; font-size: 1.25rem; margin-bottom: 1.25rem; }
.auth .brand small { color: #c9d4df; }
.auth-card { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow-lg); padding: 1.6rem 1.6rem 1.25rem; }
.auth-card.wide { max-width: 560px; }
.auth-card h1 { font-size: 1.3rem; }
.auth-card .sub { color: var(--text-2); margin-bottom: 1.1rem; }
.auth-links { display: flex; justify-content: space-between; gap: .5rem; flex-wrap: wrap; margin-top: 1rem; font-size: .85rem; }
.auth .footer { border: 0; text-align: center; max-width: 520px; }
.btn.block { width: 100%; height: 38px; }
.qr { width: 196px; height: 196px; border-radius: 6px; border: 1px solid var(--border); }
.qr-bg { fill: var(--qr-bg); } .qr-fg { fill: var(--qr-fg); }
.totp-setup { display: flex; gap: 1.25rem; align-items: flex-start; flex-wrap: wrap; }
.totp-setup > div { flex: 1; min-width: 220px; }

/* ---------- dialogs, menus, toasts */
dialog { border: 1px solid var(--border); border-radius: 12px; padding: 0; background: var(--surface); color: var(--text); box-shadow: var(--shadow-lg); width: min(560px, calc(100vw - 32px)); max-height: calc(100vh - 48px); }
dialog.wide { width: min(820px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(10, 18, 28, .55); }
.dlg-head { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.2rem .5rem; }
.dlg-head h2 { margin: 0; }
.dlg-body { padding: .5rem 1.2rem 1.2rem; overflow-y: auto; max-height: calc(100vh - 140px); }
.user-menu { position: relative; }
.menu { position: absolute; right: 0; top: calc(100% + 6px); min-width: 220px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: .35rem; z-index: 40; }
.menu .who { padding: .45rem .6rem .55rem; border-bottom: 1px solid var(--border); margin-bottom: .3rem; font-size: .85rem; }
.menu .who strong { display: block; }
.menu a, .menu button { display: flex; width: 100%; gap: .55rem; align-items: center; padding: .45rem .6rem; border-radius: var(--radius-sm); color: var(--text); background: none; border: 0; font: inherit; cursor: pointer; text-align: left; }
.menu a:hover, .menu button:hover, .menu a:focus-visible, .menu button:focus-visible { background: var(--surface-3); text-decoration: none; }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--navy); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: .8rem; }
.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: .5rem; z-index: 200; max-width: min(420px, calc(100vw - 32px)); }
.toast { display: flex; gap: .55rem; align-items: flex-start; background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--info); border-radius: var(--radius-sm); padding: .6rem .8rem; box-shadow: var(--shadow-lg); font-size: .88rem; }
.toast.ok { border-left-color: var(--ok); } .toast.warn { border-left-color: var(--warn); } .toast.bad { border-left-color: var(--bad); }
.toast .t-msg { flex: 1; overflow-wrap: anywhere; }
.loading { color: var(--text-3); padding: 1rem 0; display: flex; gap: .5rem; align-items: center; }
.spinner { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--border-2); border-top-color: var(--accent); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } * { scroll-behavior: auto !important; } }

/* ---------- responsive */
@media (max-width: 1100px) { .grid.c4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid.c3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .btn.menu-btn { display: inline-flex; }
  .nav { position: fixed; left: 0; top: var(--top-h); bottom: 0; width: 260px; height: auto; transform: translateX(-100%); transition: transform .18s ease; z-index: 30; }
  .shell.nav-open .nav { transform: none; }
  .shell.nav-open .scrim { display: block; position: fixed; inset: var(--top-h) 0 0 0; background: rgba(10,18,28,.45); z-index: 25; }
  .content { padding: 1rem; }
  .footer { padding: 1rem; }
  .brand .brand-text { display: none; }
  .switcher select { min-width: 0; max-width: 34vw; }
  .split, .grid.c2, .grid.c3, .grid.c4, .form-grid { grid-template-columns: minmax(0, 1fr); }
  .grid > .span2 { grid-column: auto; }
}
@media (max-width: 520px) {
  .topbar { gap: .4rem; padding: 0 .5rem; }
  .switcher label { display: none; }
  .switcher select { max-width: 30vw; font-size: .8rem; }
  .btn.theme-btn { display: none; }
  .msg { max-width: 100%; }
  .page-head { flex-direction: column; }
}