:root {
  --bg: #05030c;
  --panel: #0b0718;
  --card: #120b24;
  --card-2: #0c0719;
  --text: #efe4ff;
  --muted: #bda3e6;
  --primary: #a855f7;
  --primary-2: #e879f9;
  --accent: #c77dff;
  --warning: #ffbf69;
  --danger: #ff6b88;
  --success: #c77dff;
  --line: rgba(168, 85, 247, 0.34);
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  --glow: 0 0 16px rgba(168, 85, 247, 0.22), inset 0 0 20px rgba(168, 85, 247, 0.06);
  --gradient: linear-gradient(135deg, #7c3aed, #c026d3);
  --radius: 16px;
  --mono: "JetBrains Mono", Consolas, monospace;
  --glass: rgba(18, 11, 36, .86);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: "Inter", "Vazirmatn", Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
}

body { min-height: 100vh; background: transparent; }
/* A fixed layer, not background-attachment: fixed, which stutters on phones. */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 45% at 85% 0%, rgba(124, 58, 237, .26), transparent 70%),
    radial-gradient(55% 45% at 5% 100%, rgba(199, 125, 255, .14), transparent 70%);
}
.hidden { display: none !important; }
.muted { color: var(--muted); line-height: 1.8; }
.ok { color: var(--success); }
.bad { color: var(--danger); }
code { background: var(--card-2); padding: 1px 6px; border-radius: 6px; direction: ltr; display: inline-block; }

/* Brand & logo */
.brand { display: flex; align-items: center; gap: 12px; }
.brand strong { display: block; font-size: 1.15rem; }
.brand small { color: var(--muted); }
/* margin-top: auto pushes the logo to the very bottom of the (flex column) page. */
.site-footer { display: flex; justify-content: center; margin-top: auto; padding: 32px 0 8px; width: 100%; }
.site-footer img { width: 200px; max-width: 60%; height: auto; }
.settings-card { max-width: 480px; }
.settings-card + .settings-card { margin-top: 16px; }
.name-preview { background: var(--card-2); border-radius: 12px; padding: 11px 13px; color: var(--muted); }
.name-preview strong { color: var(--text); word-break: break-all; }
.small { font-size: .84rem; margin: 0; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tab {
  font: inherit; font-size: .84rem; cursor: pointer; color: var(--muted);
  background: var(--card-2); border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px;
}
.tab.active { color: #fff; background: var(--gradient); border-color: transparent; box-shadow: 0 0 12px rgba(192, 38, 211, .45); }
.server-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* Buttons & forms */
.btn {
  border: 1px solid transparent; border-radius: 12px; padding: 10px 16px;
  font: inherit; font-weight: 500; cursor: pointer; color: var(--text);
  transition: transform .1s, opacity .15s, background .15s;
}
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .55; cursor: wait; }
.btn.primary { color: #fff; }
.btn.danger { color: var(--danger); }
.btn.small { padding: 6px 10px; font-size: .85rem; --cut: 7px; }
.btn.icon { padding: 6px 12px; }
.btn.full { width: 100%; }

.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 6px; color: var(--muted); font-size: .92rem; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form label.check { display: flex; align-items: center; gap: 8px; }
input, select, textarea {
  width: 100%; font: inherit; color: var(--text);
  background: var(--card-2); border: 1px solid var(--line); border-radius: 12px; padding: 11px 13px;
}
input[type="checkbox"] { width: auto; }
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(168, 85, 247, .7); border-color: transparent; box-shadow: 0 0 14px rgba(168, 85, 247, .4); }

.alert { border-radius: 12px; padding: 12px 14px; font-size: .92rem; line-height: 1.7; }
.alert.danger { background: rgba(255, 107, 136, .12); color: var(--danger); border: 1px solid rgba(255, 107, 136, .25); }
.alert.warn { background: rgba(255, 191, 105, .1); color: var(--warning); border: 1px solid rgba(255, 191, 105, .25); margin-bottom: 12px; }

/* Auth */
.auth-screen { min-height: 100vh; display: flex; flex-direction: column; align-items: center; padding: 16px; }
.auth-screen .auth-card { margin-top: auto; }
.auth-card {
  width: 100%; max-width: 420px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 22px; padding: 28px; box-shadow: var(--shadow);
}
.auth-card h1 { font-size: 1.4rem; margin: 24px 0 4px; }

/* Layout */
.app { display: grid; grid-template-columns: 250px minmax(0, 1fr); min-height: 100vh; }
.sidebar {
  background: var(--panel); border-left: 1px solid var(--line); padding: 22px 16px;
  display: flex; flex-direction: column; gap: 26px; position: sticky; top: 0; height: 100vh;
}
.sidebar nav { display: grid; gap: 6px; flex: 1; align-content: start; }
.nav-item {
  text-align: right; background: none; border: 0; color: var(--muted); font: inherit;
  padding: 11px 14px; border-radius: 12px; cursor: pointer;
}
.nav-item:hover { background: var(--card-2); color: var(--text); }
.nav-item.active { background: linear-gradient(90deg, rgba(168, 85, 247, .08), rgba(168, 85, 247, .32)); color: var(--text); font-weight: 700; box-shadow: inset -3px 0 0 var(--primary-2), 0 0 14px rgba(168, 85, 247, .25); }

.main { padding: 22px 26px; min-width: 0; min-height: 100vh; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.topbar h2 { margin: 0; flex: 1; font-size: 1.35rem; }
.topbar-actions { display: flex; gap: 8px; }
.menu-btn { display: none; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px;
}
.card h3 { margin: 0 0 14px; font-size: 1.05rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 16px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.stat span { color: var(--muted); font-size: .88rem; }
.stat strong { display: block; font-size: 1.6rem; margin-top: 6px; }
.card, .stat, .client, .auth-card, .modal-card { box-shadow: var(--glow); }
/* Glowing corner brackets. Not on scrolling cards: the corners would slide with the table. */
.card:not(.table-wrap), .stat, .client, .auth-card { position: relative; }
.card:not(.table-wrap)::before, .stat::before, .client::before, .auth-card::before {
  content: ""; position: absolute; inset: 5px; pointer-events: none; opacity: .85;
  --c: var(--accent);
  background:
    linear-gradient(var(--c), var(--c)) top right / 14px 2px,
    linear-gradient(var(--c), var(--c)) top right / 2px 14px,
    linear-gradient(var(--primary-2), var(--primary-2)) bottom left / 14px 2px,
    linear-gradient(var(--primary-2), var(--primary-2)) bottom left / 2px 14px;
  background-repeat: no-repeat;
}

/* One user's page */
.user-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.user-title { flex: 1; min-width: 150px; display: grid; gap: 2px; direction: ltr; text-align: right; }
.user-title strong { font-size: 1.2rem; overflow-wrap: anywhere; text-shadow: 0 0 12px rgba(168, 85, 247, .8); }
.user-title small { color: var(--muted); font-family: var(--mono); font-size: .76rem; overflow-wrap: anywhere; }
.rings.two { grid-template-columns: repeat(2, 1fr); }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 14px; }
.tiles .stat strong { font-size: 1.1rem; }
.user-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.user-actions .btn { flex: 1 1 140px; }

/* Dashboard rings */
.rings { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 14px; }
.ring-card { display: grid; justify-items: center; gap: 6px; text-align: center; padding: 16px 10px; }
.ring-card > small { color: var(--muted); font-size: .76rem; line-height: 1.6; }
.stat .ring-label { color: var(--text); font-weight: 700; font-size: .95rem; }
.ring-wrap { position: relative; width: 100%; max-width: 140px; aspect-ratio: 1; margin-bottom: 4px; }
.ring { display: block; width: 100%; height: 100%; transform: rotate(-90deg); overflow: visible; }
.ring circle { fill: none; }
.ring-ticks { stroke: rgba(199, 125, 255, .4); stroke-width: 2; }
.ring-track { stroke: rgba(168, 85, 247, .16); stroke-width: 8; }
.ring-value { stroke: var(--accent); stroke-width: 8; stroke-linecap: round; filter: drop-shadow(0 0 5px rgba(199, 125, 255, .7)); }
.ring-value.danger { stroke: var(--danger); filter: drop-shadow(0 0 5px rgba(255, 107, 136, .8)); }
.stat .ring-count { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; margin: 0; font-size: 1.75rem; font-weight: 800; line-height: 1.2; }
.ring-count small { color: var(--muted); font-size: .8rem; font-weight: 500; text-shadow: none; }

.list { display: grid; gap: 8px; }
.list-item {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--card-2); border-radius: 12px; padding: 11px 13px; font-size: .92rem;
}
.list-item small { color: var(--muted); white-space: nowrap; }
.empty { color: var(--muted); text-align: center; padding: 24px 8px; line-height: 1.9; }

.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; background: var(--muted); flex-shrink: 0; }
.dot.success, .dot.online { background: var(--success); box-shadow: 0 0 8px var(--success); }
.dot.danger { background: var(--danger); }
.dot.info { background: var(--primary); }

.toolbar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar input { flex: 1; min-width: 180px; }
.toolbar select { width: auto; }

/* Client cards */
.client-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.client {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px;
  display: grid; gap: 12px;
}
.client.off { opacity: .7; }
.client-head { display: flex; align-items: center; gap: 10px; }
.client-head strong { flex: 1; direction: ltr; text-align: right; overflow: hidden; text-overflow: ellipsis; }
.badge { font-size: .76rem; padding: 3px 9px; border-radius: 999px; background: var(--card-2); color: var(--muted); white-space: nowrap; }
.badge.success { color: var(--success); background: rgba(199, 125, 255, .12); }
.badge.danger { color: var(--danger); background: rgba(255, 107, 136, .12); }
.badge.warn { color: var(--warning); background: rgba(255, 191, 105, .12); }
.client-meta { color: var(--muted); font-size: .85rem; display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.bar { height: 8px; background: var(--card-2); border-radius: 99px; overflow: hidden; }
.bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--primary-2), var(--primary), var(--accent)); border-radius: 99px; box-shadow: 0 0 8px rgba(168, 85, 247, .6); }
.bar span.warn { background: var(--warning); }
.bar span.danger { background: var(--danger); }
.client-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* Servers */
.server-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; }
.server-card .url { direction: ltr; text-align: left; color: var(--muted); font-size: .85rem; word-break: break-all; }
.inbound { display: flex; justify-content: space-between; gap: 8px; background: var(--card-2); border-radius: 10px; padding: 8px 11px; font-size: .86rem; }
.inbound span:last-child { color: var(--muted); direction: ltr; }

/* Modal */
.modal { position: fixed; inset: 0; background: rgba(4, 2, 8, .75); display: grid; place-items: center; padding: 16px; z-index: 20; }
.modal-card {
  width: 100%; max-width: 460px; max-height: calc(100vh - 32px); overflow-y: auto;
  background: var(--panel); border: 1px solid var(--line); border-radius: 20px; padding: 22px; box-shadow: var(--shadow);
  display: grid; gap: 14px;
}
.modal-card header { display: flex; align-items: center; justify-content: space-between; }
.modal-card h3 { margin: 0; }
.qr { display: grid; place-items: center; background: #fff; border-radius: 14px; padding: 14px; justify-self: center; }
.qr img, .qr canvas { max-width: 100%; height: auto !important; }
textarea { resize: none; font-family: var(--mono); font-size: .8rem; word-break: break-all; }

.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 30;
  background: var(--card); border: 1px solid var(--line); padding: 12px 20px; border-radius: 12px; box-shadow: var(--shadow);
  max-width: calc(100vw - 32px);
}
.toast.error { border-color: var(--danger); color: var(--danger); }

/* Sales */
.sales-summary { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin-bottom: 16px; }
.sales-summary .stat strong { font-size: 1.35rem; }
.sales-summary .card-no { direction: ltr; text-align: right; color: var(--muted); font-size: .85rem; margin-top: 2px; }
.sales-summary .figures { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; margin-top: 12px; font-size: .86rem; color: var(--muted); }
.sales-summary .figures b { color: var(--text); font-weight: 600; }
.sales-config { margin-top: 16px; }
.refresh-card { display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap;
                margin-bottom: 16px; font-size: .9rem; color: var(--muted); }
.wallet-form { margin-top: 14px; border-top: 1px solid var(--line); padding-top: 14px; }
.sales-config .list { margin: 10px 0 12px; }
.toolbar-title { margin: 0 0 0 auto; align-self: center; }
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .88rem; white-space: nowrap; }
.table th { text-align: right; color: var(--muted); font-weight: 500; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.table td { padding: 10px; border-bottom: 1px solid var(--line); }
.table small { color: var(--muted); }

/* Responsive */
@media (max-width: 820px) {
  .rings { grid-template-columns: repeat(2, 1fr); }
  .app { grid-template-columns: minmax(0, 1fr); }
  .sidebar {
    position: fixed; inset: 0 0 0 auto; width: 260px; z-index: 15;
    transform: translateX(100%); transition: transform .2s, visibility .2s; box-shadow: var(--shadow);
    visibility: hidden;  /* a page wider than the phone must not reveal the closed menu (and its logout button) */
  }
  .sidebar.open { transform: none; visibility: visible; }
  .table { display: block; overflow-x: auto; }  /* wide tables scroll on their own instead of widening the page */
  .menu-btn { display: inline-block; }
  #page-clients .toolbar { gap: 6px; }
  #page-clients .toolbar input { flex-basis: 100%; }
  #page-clients .toolbar select, #page-clients .toolbar .btn { flex: 1 1 30%; min-width: 0; padding: 8px 6px; font-size: .74rem; }
  .main { padding: 16px; }
  .grid-2 { grid-template-columns: 1fr; }
  .topbar-actions { width: 100%; }
  .topbar-actions .btn { flex: 1; }
  .client-list { grid-template-columns: 1fr; }
}
@media (max-width: 420px) {
  .form .row { grid-template-columns: 1fr; }
}
#fAnswer, #bText { font-family: inherit; font-size: .92rem; word-break: normal; resize: vertical; line-height: 1.8; }

/* Users table (3x-ui style) */
.dev-badge { font: inherit; border: 0; padding: 0 6px; border-radius: 6px; cursor: pointer; background: var(--card-2); color: var(--muted); }
.dev-badge.danger { color: var(--danger); background: rgba(255, 107, 136, .14); }
.modal-card.wide { max-width: 640px; }
#devicesBody h4 { margin: 16px 0 6px; }
.table.devices { display: table; white-space: normal; }  /* fits the phone: long operator names wrap */
.table.devices td { padding: 6px 8px; font-size: .85rem; }
.table.devices tr.off { opacity: .55; }
.hwids { margin: 4px 0; padding-right: 18px; font-size: .85rem; }
.hwids small { display: block; }
.mono { font-family: var(--mono); }
.switch { width: 38px; height: 22px; border-radius: 99px; border: 0; background: #3a3150; position: relative; cursor: pointer; padding: 0; }
.switch span { position: absolute; top: 3px; right: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: right .15s; }
.switch.on { background: var(--primary); }
.switch.on span { right: 19px; }
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: .78rem; padding: 3px 10px; border-radius: 8px; background: var(--card-2); color: var(--muted); }
.pill.online, .pill.ok { color: var(--success); background: rgba(199, 125, 255, .1); }
.pill.warn { color: var(--warning); background: rgba(255, 191, 105, .1); }
.pill.danger { color: var(--danger); background: rgba(255, 107, 136, .1); }
.pill.endless { color: var(--primary-2); background: rgba(139, 92, 246, .14); }
.chip { display: inline-block; font-size: .78rem; padding: 3px 9px; border-radius: 7px; background: rgba(139, 92, 246, .14); color: var(--primary-2); margin-left: 4px; }
.chip.more { background: var(--card-2); color: var(--muted); direction: ltr; }
.bar span.ok { background: var(--success); }
.bar span.endless { background: linear-gradient(90deg, var(--primary-2), var(--primary)); }
.pill.speed { color: var(--accent); background: rgba(199, 125, 255, .1); direction: ltr; }

/* Neon details */
.topbar h2, .brand strong { text-shadow: 0 0 12px rgba(168, 85, 247, .8); }
.stat .ring-count { text-shadow: 0 0 12px rgba(168, 85, 247, .7); }
@media (max-width: 480px) {
  .tiles .stat:last-child:nth-child(odd) { grid-column: 1 / -1; }
}

/* Language button and the left-to-right layout for Finglish */
.lang-btn { flex-shrink: 0; }
.auth-lang { display: block; margin: 14px 0 0 auto; }
html[dir="ltr"] .auth-lang { margin: 14px auto 0 0; }
html[dir="ltr"] .sidebar { border-left: 0; border-right: 1px solid var(--line); }
html[dir="ltr"] .table th { text-align: left; }
html[dir="ltr"] .user-title,
html[dir="ltr"] .client-head strong, html[dir="ltr"] .sales-summary .card-no { text-align: left; }
html[dir="ltr"] .toolbar-title { margin: 0 auto 0 0; }
html[dir="ltr"] .chip { margin-left: 0; margin-right: 4px; }
html[dir="ltr"] .hwids { padding-right: 0; padding-left: 18px; }
html[dir="ltr"] .switch span { right: auto; left: 3px; transition: left .15s; }
html[dir="ltr"] .switch.on span { left: 19px; }
@media (max-width: 820px) {
  html[dir="ltr"] .sidebar { inset: 0 auto 0 0; transform: translateX(-100%); }
  html[dir="ltr"] .sidebar.open { transform: none; }
}

/* Compact users */
.users-wrap { display: grid; gap: 10px; }
.u-row {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; cursor: pointer;
  background: var(--glass); border: 1px solid var(--line); border-radius: 14px; transition: box-shadow .15s, border-color .15s;
}
.u-row:hover, .u-row:focus-visible { border-color: var(--accent); box-shadow: 0 0 16px rgba(199, 125, 255, .25); outline: 0; }
.u-row.off { opacity: .55; }
.u-main { flex: 1; min-width: 0; display: grid; gap: 2px; }
.u-main strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: right; }
.u-main small { color: var(--muted); font-size: .76rem; }
.u-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 2px 10px; }
html[dir="ltr"] .u-main strong { text-align: left; }
.u-row .switch { flex-shrink: 0; }
.mini-ring { position: relative; width: 52px; height: 52px; flex-shrink: 0; }
.mini-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); display: block; overflow: visible; }
.mini-ring circle { fill: none; }
.mini-ring .ring-track, .mini-ring .ring-value { stroke-width: 5; }
.mini-ring .ring-value.warn { stroke: var(--warning); filter: none; }
.mini-ring b { position: absolute; inset: 0; display: grid; place-items: center; font-size: .72rem; }

/* Compact servers */
.server-card { background: var(--glass); padding: 0; transition: box-shadow .15s, border-color .15s; }
.server-card:hover, .server-card[open] { border-color: var(--primary); box-shadow: 0 0 20px rgba(168, 85, 247, .4); }
.server-card summary { display: flex; align-items: center; gap: 10px; padding: 14px 16px; cursor: pointer; list-style: none; flex-wrap: wrap; }
.server-card summary::-webkit-details-marker { display: none; }
.server-card summary strong { flex: 1; min-width: 130px; }
.server-card summary small { color: var(--muted); font-size: .78rem; }
.server-arrow { transition: transform .15s; color: var(--accent); }
.server-card[open] .server-arrow { transform: rotate(180deg); }
.server-body { display: grid; gap: 10px; padding: 0 16px 16px; }

/* Live speed line */
.speed-card { margin-bottom: 14px; display: grid; gap: 8px; }
.speed-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.speed-head h3 { margin: 0; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.speed-now { font-weight: 700; flex-shrink: 0; white-space: nowrap; font-size: .9rem; }
/* No CSS filter here: phones garble an SVG filter that repaints under a finger. The glow is a second, wider line,
   and the cursor sits outside the SVG so touching never redraws the chart. */
.speed-plot { position: relative; user-select: none; -webkit-tap-highlight-color: transparent; }
.speed-plot svg { display: block; width: 100%; height: 110px; touch-action: pan-y; }
.speed-grid { stroke: rgba(168, 85, 247, .14); stroke-width: 1; vector-effect: non-scaling-stroke; }
.speed-area { fill: rgba(199, 125, 255, .08); }
.speed-glow { fill: none; stroke: rgba(199, 125, 255, .22); stroke-width: 7; vector-effect: non-scaling-stroke; }
.speed-line { fill: none; stroke: var(--accent); stroke-width: 2; vector-effect: non-scaling-stroke; }
.speed-cursor { position: absolute; top: 0; bottom: 0; width: 1px; background: var(--primary-2); pointer-events: none; }

/* Binary rain behind the whole panel (drawBackdrop in script.js) */
#backdrop { position: fixed; top: 0; left: 0; z-index: -1; pointer-events: none; }

/* Neon buttons with cut corners. A clip-path on the button would cut its glow off, so the button only carries the
   glow (box-shadow), ::before is the neon outline and ::after its dark inside, 1.5px smaller. No CSS filter: phones
   garble filters that repaint under a finger. */
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 1.25em; height: 1.25em; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.btn, .nav-item {
  --cut: 11px;
  --glow: 168, 85, 247;
  --shape: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  --inner: #0c0719;
  position: relative; isolation: isolate; border: 0; border-radius: var(--cut); background: none;
  box-shadow: 0 0 10px rgba(var(--glow), .45), 0 0 24px rgba(var(--glow), .2);
  display: inline-flex; align-items: center; justify-content: center; gap: 7px; transition: box-shadow .15s, transform .1s;
}
.btn::before, .nav-item::before {
  content: ""; position: absolute; inset: 0; z-index: -2; clip-path: var(--shape);
  background: linear-gradient(135deg, rgb(var(--glow)), rgba(var(--glow), .55) 50%, rgb(var(--glow)));
}
.btn::after, .nav-item::after {
  content: ""; position: absolute; inset: 1.5px; z-index: -1; clip-path: var(--shape);
  background: radial-gradient(120% 90% at 50% 110%, rgba(var(--glow), .42), transparent 65%), var(--inner);
}
.btn:hover, .nav-item:hover, .btn:focus-visible, .nav-item:focus-visible {
  outline: 0; background: none;
  box-shadow: 0 0 14px rgba(var(--glow), .8), 0 0 34px rgba(var(--glow), .4);
}
.btn.primary { --glow: 232, 121, 249; --inner: linear-gradient(135deg, #5b21b6, #a21caf); }
.btn.danger { --glow: 255, 107, 136; --inner: #1d0a18; }
.btn.small { box-shadow: 0 0 8px rgba(var(--glow), .4); }

/* Menu tiles: icon above the name, each with its own colour */
.sidebar nav { grid-template-columns: 1fr 1fr; gap: 12px; }
.nav-item {
  flex-direction: column; gap: 6px; padding: 14px 4px 11px; text-align: center; font-size: .82rem; color: var(--text); font-weight: 500;
  text-shadow: 0 0 8px rgba(var(--glow), .7);
}
.nav-item:nth-child(odd) { --glow: 232, 121, 249; }
.nav-item:nth-child(even) { --glow: 139, 92, 246; }
.nav-item .icon { width: 26px; height: 26px; color: rgb(var(--glow)); filter: drop-shadow(0 0 4px rgba(var(--glow), .9)); }
.nav-item.active {
  --inner: linear-gradient(160deg, rgba(124, 58, 237, .85), rgba(162, 28, 175, .7));
  color: #fff; font-weight: 700;
  box-shadow: 0 0 14px rgba(var(--glow), .9), 0 0 36px rgba(var(--glow), .45);
}
.nav-item.active .icon { color: #fff; }
.nav-tiles { display: none; }
@media (max-width: 820px) {
  .nav-tiles { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 5px; margin-bottom: 14px; }
  .nav-tiles .nav-item { --cut: 8px; padding: 9px 1px 7px; font-size: .62rem; gap: 4px; }
  .nav-tiles .nav-item .icon { width: 21px; height: 21px; }
}
.btn.menu-btn { display: none; padding: 9px 14px; flex-shrink: 0; }
@media (max-width: 820px) {
  .btn.menu-btn { display: inline-flex; }
}
/* On a phone 100vh is taller than the visible screen, so the menu is sized to what shows and logout follows the menu. */
@media (max-width: 820px) {
  .sidebar { height: 100vh; height: 100dvh; overflow-y: auto; padding-bottom: max(22px, env(safe-area-inset-bottom, 0px)); gap: 18px; }
  .sidebar nav { flex: none; }
}
/* Phones leave strips of tall cards unpainted while scrolling: the glow and the translucent corner layer are too heavy there. */
@media (max-width: 820px) {
  .card, .stat, .client, .auth-card, .modal-card { box-shadow: none; }
  .card:not(.table-wrap)::before, .stat::before, .client::before, .auth-card::before { opacity: 1; }
}