/* ===== VestraNode — база: теми, компоненти ===== */
:root {
  --accent: #7c9cff;
  --on-accent: #0b0c10;
  --bg: #0b0c10; --bg-2: #12141a; --card: #171a21; --card-2: #1e222b; --line: #2b303c;
  --text: #eef0f4; --muted: #9aa3b2; --faint: #6c7586;
  --accent-ink: var(--accent);
  --danger: #ff6b6b; --ok: #5fd68a; --warn: #ffd166;
  --radius: 1rem; --shadow: 0 0.625rem 1.875rem rgba(0, 0, 0, .35);
  --font: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  --header-h: 4.25rem;
  /* ширини контейнерів: у rem (масштабуються разом з інтерфейсом) і не менше частки вікна — щоб на 2K/4K/ultrawide не лишалось порожніх смуг */
  --wide: max(150rem, 86vw); --land: max(120rem, 64vw);
  --pad-x: clamp(1.25rem, 2.2vw, 5rem);
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f3f5f9; --bg-2: #ffffff; --card: #ffffff; --card-2: #eef1f6; --line: #d8dde8;
  --text: #171a21; --muted: #4d5666; --faint: #697284;
  --accent-ink: color-mix(in srgb, var(--accent) 48%, #0b1020);
  --danger: #c62828; --ok: #17803f; --warn: #946000;
  --shadow: 0 0.625rem 1.875rem rgba(20, 30, 60, .12);
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: var(--bg); color: var(--text); font: 0.9375rem/1.5 var(--font); -webkit-font-smoothing: antialiased; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
[hidden] { display: none !important; }
small { color: var(--muted); }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; }

/* ---------- смуги прокручування ---------- */
*::-webkit-scrollbar { width: 0.75rem; height: 0.75rem; }
*::-webkit-scrollbar-track { background: transparent; margin: 0.25rem; }
*::-webkit-scrollbar-thumb { background: color-mix(in srgb, var(--muted) 38%, transparent); background-clip: padding-box; border: 0.1875rem solid transparent; border-radius: 62.4375rem; }
*::-webkit-scrollbar-thumb:hover { background: var(--accent); background-clip: padding-box; border: 0.1875rem solid transparent; }
*::-webkit-scrollbar-button { display: none; }
*::-webkit-scrollbar-corner { background: transparent; }

/* ---------- кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.625rem 1.125rem; border: 1px solid transparent;
  border-radius: 0.75rem; background: var(--accent); color: var(--on-accent); font-weight: 600; transition: filter .15s, transform .06s, background .15s, border-color .15s, opacity .15s;
  white-space: nowrap;
}
.btn:hover:not(:disabled) { filter: brightness(1.08); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.ghost { background: var(--card-2); color: var(--text); border-color: var(--line); font-weight: 500; }
.btn.ghost:hover:not(:disabled) { border-color: var(--accent); filter: none; }
.btn.danger { background: color-mix(in srgb, var(--danger) 18%, transparent); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.btn.danger:hover:not(:disabled) { background: var(--danger); color: #fff; filter: none; }
.btn.pill { border-radius: 62.4375rem; padding: 0.75rem 1.5rem; }
.btn.small { padding: 0.375rem 0.75rem; border-radius: 0.625rem; font-size: 0.8125rem; }
.btn.block { width: 100%; }
.icon-btn { width: 2rem; height: 2rem; display: inline-grid; place-items: center; border: 0; border-radius: 0.5625rem; background: transparent; color: var(--muted); transition: background .15s, color .15s; }
.icon-btn:hover { background: var(--card-2); color: var(--text); }
.icon-btn.danger:hover { background: var(--danger); color: #fff; }

/* ---------- поля ---------- */
.input, .textarea {
  width: 100%; padding: 0.625rem 0.8125rem; background: var(--card-2); border: 1px solid var(--line); border-radius: 0.75rem; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus, .textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 0.1875rem color-mix(in srgb, var(--accent) 25%, transparent); }
.input.num { font-variant-numeric: tabular-nums; }
.textarea { resize: vertical; min-height: 6rem; font-family: ui-monospace, Consolas, monospace; font-size: 0.8125rem; }
.field { display: grid; gap: 0.375rem; }
.field > span, .label { font-size: 0.8125rem; color: var(--muted); font-weight: 500; }

.check { display: flex; align-items: center; gap: 0.625rem; cursor: pointer; user-select: none; }
.check input { width: 1.125rem; height: 1.125rem; accent-color: var(--accent); margin: 0; }

.switch { position: relative; width: 2.625rem; height: 1.5rem; flex: none; }
.switch input { opacity: 0; position: absolute; inset: 0; margin: 0; cursor: pointer; z-index: 1; }
.switch i { position: absolute; inset: 0; background: var(--line); border-radius: 62.4375rem; transition: background .2s; }
.switch i::after { content: ""; position: absolute; top: 0.1875rem; left: 0.1875rem; width: 1.125rem; height: 1.125rem; border-radius: 50%; background: #fff; transition: transform .2s; }
.switch input:checked + i { background: var(--accent); }
.switch input:checked + i::after { transform: translateX(1.125rem); }

/* ---------- картки / чипи ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; }
.chip { display: inline-flex; align-items: center; gap: 0.375rem; padding: 0.1875rem 0.625rem; border-radius: 62.4375rem; background: var(--card-2); border: 1px solid var(--line); font-size: 0.75rem; color: var(--muted); }
.seg { display: inline-flex; background: var(--card-2); border: 1px solid var(--line); border-radius: 0.75rem; padding: 0.1875rem; gap: 0.1875rem; }
.seg button { border: 0; background: transparent; padding: 0.4375rem 0.875rem; border-radius: 0.5625rem; color: var(--muted); white-space: nowrap; transition: background .15s, color .15s; }
.seg button.on { background: var(--accent); color: var(--on-accent); font-weight: 600; }
.seg button:disabled { opacity: .4; cursor: not-allowed; }

/* ---------- спадний список (власний, закруглений) ---------- */
.dd { position: relative; }
.dd-btn { display: flex; align-items: center; justify-content: space-between; gap: 0.625rem; width: 100%; text-align: left; padding: 0.5625rem 0.75rem; background: var(--card-2); border: 1px solid var(--line); border-radius: 0.75rem; transition: border-color .15s, box-shadow .15s; }
.dd-btn:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }
.dd.open .dd-btn, .dd-btn:focus-visible { border-color: var(--accent); outline: none; box-shadow: 0 0 0 0.1875rem color-mix(in srgb, var(--accent) 25%, transparent); }
.dd-val { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dd-chev { flex: none; color: var(--muted); transition: transform .2s; }
.dd.open .dd-chev { transform: rotate(180deg); color: var(--accent-ink); }
.dd-menu {
  position: absolute; left: 0; min-width: 100%; top: calc(100% + 0.375rem); z-index: 80; padding: 0.375rem; max-height: 20rem; overflow-y: auto;
  background: var(--card); border: 1px solid var(--line); border-radius: 0.875rem; box-shadow: 0 0.875rem 2.25rem rgba(0, 0, 0, .5); display: grid; gap: 0.125rem;
  animation: pop .14s ease-out;
}
.dd-menu.up { top: auto; bottom: calc(100% + 0.375rem); }
.dd-item { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; width: 100%; text-align: left; padding: 0.5rem 0.6875rem; border: 0; border-radius: 0.625rem; background: transparent; white-space: nowrap; }
.dd-item:hover, .dd-item:focus-visible { background: color-mix(in srgb, var(--accent) 14%, transparent); outline: none; }
.dd-item.on { background: color-mix(in srgb, var(--accent) 10%, transparent); }
.dd-item .tick { width: 1rem; height: 1rem; color: var(--accent-ink); opacity: 0; flex: none; }
.dd-item.on .tick { opacity: 1; }
@keyframes pop { from { opacity: 0; transform: translateY(-6px) scale(.98); } to { opacity: 1; transform: none; } }

/* ---------- контекстні меню ---------- */
.ctx { position: fixed; z-index: 200; min-width: 11.875rem; padding: 0.375rem; background: var(--card); border: 1px solid var(--line); border-radius: 0.875rem; box-shadow: 0 1rem 2.5rem rgba(0, 0, 0, .55); animation: pop .12s ease-out; }
.ctx button { display: flex; align-items: center; gap: 0.625rem; width: 100%; padding: 0.5rem 0.6875rem; border: 0; border-radius: 0.5625rem; background: transparent; text-align: left; }
.ctx button:hover { background: color-mix(in srgb, var(--accent) 14%, transparent); }
.ctx button.danger { color: var(--danger); }
.ctx button.danger:hover { background: color-mix(in srgb, var(--danger) 16%, transparent); }
.ctx hr { border: 0; border-top: 1px solid var(--line); margin: 0.3125rem 0.25rem; }

/* ---------- модальні вікна ---------- */
.modal-back { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; background: rgba(0, 0, 0, .6); backdrop-filter: blur(0.25rem); animation: fade .15s; }
.modal { width: min(27.5rem, 92vw); padding: 1.5rem; background: var(--card); border: 1px solid var(--line); border-radius: 1.25rem; box-shadow: var(--shadow); animation: pop .18s ease-out; }
.modal h3 { font-size: 1.1875rem; margin-bottom: 0.5rem; }
.modal p { color: var(--muted); margin: 0 0 1rem; }
.modal .actions { display: flex; justify-content: flex-end; gap: 0.625rem; margin-top: 1.125rem; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

/* ---------- сповіщення ---------- */
#toasts { position: fixed; right: 1.25rem; top: calc(var(--header-h) + 0.75rem); z-index: 400; display: grid; gap: 0.625rem; max-width: min(27.5rem, 92vw); }
.toast { display: flex; gap: 0.75rem; align-items: flex-start; padding: 0.75rem 0.875rem; border-radius: 0.875rem; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); animation: slide-in .22s ease-out; }
.toast.error { border-color: var(--danger); background: color-mix(in srgb, var(--danger) 14%, var(--card)); }
.toast.error .ico { color: var(--danger); }
.toast.ok { border-color: var(--ok); } .toast.ok .ico { color: var(--ok); }
.toast.info .ico { color: var(--accent-ink); }
.toast.warn { border-color: var(--warn); } .toast.warn .ico { color: var(--warn); }
.toast .msg { flex: 1; }
.toast button { border: 0; background: none; color: var(--muted); padding: 0 0.125rem; }
@keyframes slide-in { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: none; } }

/* ---------- верхня панель ---------- */
#topbar { position: sticky; top: 0; z-index: 90; height: var(--header-h); display: flex; align-items: center; gap: 1.75rem; padding: 0 1.75rem; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(0.875rem); border-bottom: 1px solid color-mix(in srgb, var(--line) 60%, transparent); }
#topbar.transparent { background: transparent; border-bottom-color: transparent; backdrop-filter: none; position: fixed; left: 0; right: 0; transition: background .25s, backdrop-filter .25s; }
#topbar.transparent.scrolled { background: rgba(0, 0, 0, .72); backdrop-filter: blur(0.875rem); border-bottom-color: rgba(255, 255, 255, .1); }
.logo { display: flex; align-items: center; gap: 0.625rem; font-weight: 800; letter-spacing: 0.0312rem; font-size: 1.1875rem; }
.logo svg { width: 1.875rem; height: 1.875rem; }
.nav { display: flex; align-items: center; gap: 0.25rem; flex: 1; }
.nav a, .nav .nav-dd button { display: inline-flex; align-items: center; gap: 0.375rem; padding: 0.5rem 0.875rem; border: 0; background: transparent; border-radius: 0.625rem; color: var(--text); font-weight: 500; opacity: .86; transition: background .15s, opacity .15s; }
.nav a:hover, .nav .nav-dd button:hover, .nav a.on { background: color-mix(in srgb, var(--text) 9%, transparent); opacity: 1; }
.nav-dd { position: relative; }
.nav-dd .menu { position: absolute; top: calc(100% + 0.5rem); left: 0; min-width: 14.375rem; }
.top-right { display: flex; align-items: center; gap: 0.75rem; }
.paxel-chip { display: inline-flex; align-items: center; gap: 0.4375rem; padding: 0.375rem 0.75rem; border-radius: 62.4375rem; border: 1px solid var(--line); background: var(--card); font-weight: 600; font-size: 0.875rem; }
.paxel-chip i { width: 0.875rem; height: 0.875rem; border-radius: 0.25rem; background: linear-gradient(135deg, #ffb454, #ff5c8a); transform: rotate(45deg) scale(.85); }
.avatar { width: 2.5rem; height: 2.5rem; border-radius: 50%; object-fit: cover; background: var(--card-2); border: 0.125rem solid var(--line); display: grid; place-items: center; font-weight: 700; color: var(--accent-ink); overflow: hidden; transition: border-color .15s; }
.avatar-btn { border: 0; background: none; padding: 0; border-radius: 50%; }
.avatar-btn:hover .avatar, .avatar-btn[aria-expanded="true"] .avatar { border-color: var(--accent); }
.menu { padding: 0.375rem; background: var(--card); border: 1px solid var(--line); border-radius: 1rem; box-shadow: 0 1.125rem 2.75rem rgba(0, 0, 0, .5); animation: pop .14s ease-out; }
.menu .who { padding: 0.625rem 0.75rem 0.5rem; }
.menu .who b { display: block; } .menu .who small { display: block; }
.menu a, .menu button.row { display: flex; align-items: center; gap: 0.75rem; width: 100%; padding: 0.5625rem 0.75rem; border: 0; border-radius: 0.625rem; background: transparent; text-align: left; color: var(--text); }
.menu a:hover, .menu button.row:hover { background: color-mix(in srgb, var(--accent) 13%, transparent); }
.menu hr { border: 0; border-top: 1px solid var(--line); margin: 0.375rem 0.25rem; }
.menu .row-split { justify-content: space-between; }
.avatar-menu { position: absolute; right: 1.75rem; top: calc(var(--header-h) - 0.375rem); width: 16.25rem; z-index: 120; }
.premium-tag { display: inline-block; font-size: 0.6875rem; font-weight: 800; letter-spacing: 0.0375rem; padding: 0.125rem 0.5rem; border-radius: 0.375rem; color: #1a1205; background: linear-gradient(90deg, #ffd166, #ff9a5c); }

main#app { min-height: calc(100vh - var(--header-h)); }

@media (max-width: 860px) {
  #topbar { padding: 0 0.875rem; gap: 0.625rem; }
  .nav { display: none; }
  .top-right { margin-left: auto; }
  .avatar-menu { right: 0.875rem; }
}

.no-anim *, .no-anim *::before, .no-anim *::after { animation: none !important; transition: none !important; }