:root {
  color-scheme: dark;
  --bg: #061725;
  --bg2: #071f32;
  --panel: #08263b;
  --panel2: #092d45;
  --line: #155172;
  --line-soft: rgba(57, 179, 255, .22);
  --text: #f4fbff;
  --muted: #a9b9c8;
  --cyan: #29bfff;
  --blue: #1f8ce8;
  --green: #35df73;
  --yellow: #ffb11b;
  --red: #ff4055;
  --shadow: 0 0 34px rgba(20, 172, 255, .16);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, Arial, Helvetica, sans-serif;
  background:
    linear-gradient(90deg, rgba(58, 181, 255, .035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(58, 181, 255, .026) 1px, transparent 1px),
    radial-gradient(circle at 50% -10%, rgba(49, 191, 255, .16), transparent 34%),
    #04111d;
  background-size: 32px 32px, 32px 32px, auto, auto;
}
a { color: inherit; }
button, input, select {
  font: inherit;
  border-radius: 7px;
  border: 1px solid var(--line);
}
button {
  cursor: pointer;
  border: 0;
  padding: 12px 16px;
  color: #03111c;
  background: linear-gradient(180deg, #39c7ff, #1188da);
  font-weight: 950;
  text-transform: uppercase;
}
button.secondary, .ghost {
  color: var(--text);
  background: rgba(41, 191, 255, .12);
  border: 1px solid var(--line);
}
button.danger, .danger-link {
  background: linear-gradient(180deg, #ff6071, #ce2138);
  color: white;
}
input, select {
  width: 100%;
  padding: 12px 13px;
  color: var(--text);
  background: #041725;
  outline: none;
}
input:focus, select:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(41, 191, 255, .16); }

.login-body { display: grid; place-items: center; padding: 36px; }
.login-screen {
  width: min(1180px, 100%);
  min-height: 680px;
  display: grid;
  grid-template-columns: 1.25fr 420px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(8, 38, 59, .82);
  box-shadow: var(--shadow);
}
.login-visual {
  padding: 54px;
  display: grid;
  align-content: center;
  gap: 22px;
  background:
    linear-gradient(120deg, rgba(41,191,255,.22), transparent 42%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.04) 0 1px, transparent 1px 18px);
}
.login-brand { display: flex; align-items: center; gap: 18px; }
.login-brand img { width: min(420px, 100%); height: auto; display: block; }
.login-brand span, .brand span {
  width: 66px;
  height: 66px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: white;
  background: linear-gradient(180deg, #3fc5ff, #147ad1);
  font-size: 38px;
  font-weight: 1000;
  box-shadow: 0 0 28px rgba(41, 191, 255, .5);
}
.login-brand strong, .brand strong {
  font-size: 54px;
  line-height: .9;
  letter-spacing: 6px;
  font-weight: 1000;
}
.eyebrow {
  margin: 0;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 6px;
  font-weight: 900;
}
.login-visual h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(46px, 7vw, 82px);
  line-height: .95;
  text-shadow: 0 0 18px rgba(255,255,255,.22);
}
.login-visual p { max-width: 660px; color: #d1dde8; font-size: 19px; line-height: 1.55; }
.login-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.login-stats div, .login-card, .panel, .hero-panel, .system-banner, .impersonation-bar {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(8, 38, 59, .88);
}
.login-stats div { padding: 16px; }
.login-stats strong { display: block; font-size: 34px; }
.login-stats span, small, .panel p { color: var(--muted); }
.login-card {
  padding: 28px;
  display: grid;
  align-content: center;
  gap: 18px;
  background: rgba(4, 17, 29, .94);
}
.login-card h2 { margin: 0; font-size: 34px; }
.login-card form { display: grid; gap: 14px; }
.login-card label { display: grid; gap: 7px; color: var(--muted); font-weight: 800; }
.lang-switch { display: flex; gap: 8px; justify-content: flex-end; }
.lang-switch a, .ghost, .danger-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 39px;
  padding: 9px 12px;
  border-radius: 7px;
  text-decoration: none;
  font-weight: 950;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 320px 1fr;
  border: 0 solid transparent;
}
.app-shell.impersonating {
  border: 6px solid var(--red);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.22), 0 0 45px rgba(255, 64, 85, .35);
}
.side {
  padding: 24px;
  border-right: 1px solid var(--line);
  background: rgba(3, 16, 27, .92);
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
  text-decoration: none;
}
.brand img { width: 220px; max-width: 100%; height: auto; display: block; }
.brand span { width: 48px; height: 48px; font-size: 28px; }
.brand strong { font-size: 30px; letter-spacing: 3px; }
.nav-group {
  margin-bottom: 10px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(9, 45, 69, .55);
}
.nav-group button {
  width: 100%;
  display: flex;
  justify-content: space-between;
  background: rgba(41, 191, 255, .12);
  color: var(--text);
}
.nav-links { display: none; padding: 7px; }
.nav-group.open .nav-links { display: grid; gap: 6px; }
.nav-links a {
  padding: 11px 12px;
  border-radius: 7px;
  color: #d7e7f3;
  text-decoration: none;
  font-weight: 850;
}
.nav-links a.active, .nav-links a:hover {
  color: white;
  background: linear-gradient(90deg, rgba(41,191,255,.26), rgba(53,223,115,.12));
}
.main { min-width: 0; padding: 24px; }
.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 16px;
}
.topbar h1 { margin: 0; font-size: 42px; line-height: .95; }
.top-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.user-pill {
  min-height: 39px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 9px 12px;
  background: rgba(255,255,255,.05);
  font-weight: 900;
}
.system-banner {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  margin-bottom: 14px;
  color: #2a1700;
  background: linear-gradient(180deg, #ffd66b 0%, #ffad19 55%, #f08a00 100%);
  border: 2px solid #ffcb4f;
  box-shadow: 0 0 0 1px rgba(255,255,255,.24) inset, 0 0 32px rgba(255, 173, 25, .45);
  font-weight: 900;
}
.system-banner strong {
  color: #1c0f00;
  background: rgba(255,255,255,.25);
  border-radius: 6px;
  padding: 5px 9px;
}
.impersonation-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 7px 10px;
  margin-bottom: 14px;
  border-color: var(--red);
  background: rgba(255, 64, 85, .16);
  font-size: 13px;
}
.impersonation-bar a {
  margin-left: auto;
  padding: 6px 10px;
  border-radius: 7px;
  color: white;
  background: var(--red);
  text-decoration: none;
  font-weight: 950;
}
.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 24px;
  margin-bottom: 14px;
  background: linear-gradient(120deg, rgba(41,191,255,.16), rgba(7,31,50,.94) 48%, rgba(53,223,115,.08));
}
.hero-panel h2 { margin: 0; max-width: 760px; font-size: clamp(34px, 4vw, 62px); line-height: .95; }
.hero-actions, .quick-grid { display: flex; gap: 10px; flex-wrap: wrap; }
.ops-toolbar, .toolbar-inline {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.ops-toolbar {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(8, 38, 59, .78);
}
.ops-toolbar input, .toolbar-inline input { max-width: 360px; margin-left: auto; }
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 14px;
}
.metrics article {
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(8, 38, 59, .88);
}
.metrics strong { display: block; font-size: 38px; text-shadow: 0 0 13px rgba(255,255,255,.22); }
.content-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(380px, .85fr); gap: 14px; }
.dashboard-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(360px, .8fr); gap: 14px; margin-bottom: 14px; }
.command-stack { display: grid; gap: 10px; padding: 14px; }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 14px;
  margin-bottom: 14px;
}
.news-feature {
  min-height: 320px;
  display: grid;
  align-content: end;
  gap: 12px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(4,17,29,.18), rgba(4,17,29,.94)),
    linear-gradient(120deg, rgba(41,191,255,.28), rgba(53,223,115,.12));
  box-shadow: var(--shadow);
}
.news-feature h2 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(38px, 5vw, 72px);
  line-height: .95;
}
.news-feature p { max-width: 720px; color: #d7e7f3; font-size: 18px; line-height: 1.55; }
.news-meta { display: flex; gap: 10px; flex-wrap: wrap; color: var(--muted); font-weight: 850; }
.news-side { padding: 18px; display: grid; align-content: start; gap: 10px; }
.news-side a {
  padding: 12px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: rgba(41,191,255,.08);
  text-decoration: none;
  font-weight: 900;
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.news-card {
  min-height: 230px;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(8, 38, 59, .88);
}
.news-card-top, .news-card footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.news-card h2 { margin: 0; font-size: 27px; line-height: 1.05; }
.news-card p { color: var(--muted); line-height: 1.5; }
.news-card footer a { color: var(--cyan); font-weight: 950; text-decoration: none; }
.panel {
  min-width: 0;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}
.panel h2 { margin: 0; font-size: 28px; }
.panel > p, .form-panel { padding: 16px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 13px 16px; border-bottom: 1px solid rgba(70, 174, 230, .16); text-align: left; }
th { color: var(--muted); font-size: 13px; text-transform: uppercase; }
td strong { display: block; font-size: 20px; }
tr:hover { background: rgba(41, 191, 255, .06); }
tr.selected { background: rgba(53, 223, 115, .14); outline: 1px solid rgba(53, 223, 115, .55); }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  border-radius: 5px;
  color: white;
  background: linear-gradient(180deg, #268df1, #075bbb);
  font-weight: 950;
  text-transform: uppercase;
}
.badge.online { background: linear-gradient(180deg, #40df72, #1aa650); }
.badge.installing { background: linear-gradient(180deg, #ffc247, #ef8d00); }
meter { width: 130px; height: 14px; accent-color: var(--cyan); }
.console {
  min-height: 240px;
  margin: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #d7fbff;
  background: #03111c;
  line-height: 1.6;
}
.server-tabs { padding: 0 14px; margin-top: 10px; }
.nested-panel {
  margin: 14px;
  box-shadow: none;
  background: rgba(3, 17, 28, .72);
}
.nested-panel:not(.active) { display: none; }
.server-kpis, .status-board {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding: 14px;
}
.server-kpis label, .status-board article {
  display: grid;
  gap: 6px;
  padding: 12px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: rgba(255,255,255,.035);
}
.status-board { padding: 0; margin-bottom: 14px; }
.status-board article strong { font-size: 34px; }
.detail-line {
  margin: 0;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(70, 174, 230, .16);
  color: var(--muted);
}
.action-output {
  display: block;
  min-height: 38px;
  margin: 12px 14px 14px;
  padding: 10px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  color: #d7fbff;
  background: rgba(41,191,255,.07);
}
.form-panel .quick-grid { padding-top: 12px; }
.impersonate-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

@media (max-width: 1100px) {
  .login-screen, .app-shell, .content-grid, .dashboard-grid, .hero-panel, .metrics, .cards, .news-layout, .news-grid, .server-kpis, .status-board { grid-template-columns: 1fr; }
  .side { border-right: 0; border-bottom: 1px solid var(--line); }
}

@media (max-width: 680px) {
  body { font-size: 14px; }
  .login-body, .main, .side { padding: 14px; }
  .login-visual, .login-card { padding: 22px; }
  .login-brand strong { font-size: 36px; }
  .topbar, .impersonation-bar { align-items: stretch; flex-direction: column; }
  .topbar h1 { font-size: 32px; }
}