:root {
  --bg: #f4f8fc;
  --surface: #ffffff;
  --surface-2: #edf4fb;
  --line: #d8e5f1;
  --text: #152238;
  --muted: #64748b;
  --blue: #449bff;
  --blue-dark: #176fce;
  --green: #0eaa6d;
  --amber: #d88900;
  --red: #d93f3f;
  --shadow: 0 18px 45px rgba(30, 64, 99, 0.11);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body.is-locked {
  overflow: hidden;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.login-screen {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  place-items: center;
  padding: 28px 16px;
  background: linear-gradient(180deg, #111821 0%, #172439 100%);
  color: #f8fafc;
}

.login-screen.is-visible {
  display: grid;
}

.login-card {
  width: min(460px, 100%);
  padding: 30px;
  border: 1px solid rgba(226, 232, 240, 0.18);
  border-radius: 22px;
  background: rgba(31, 41, 55, 0.72);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.24);
}

.login-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 14px;
  margin-bottom: 22px;
}

.login-head h1 {
  color: #fff;
  font-size: 42px;
  font-weight: 500;
  line-height: 1;
}

.login-head span {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  font-weight: 650;
}

.login-field {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
}

.login-field span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  font-weight: 750;
}

.login-field input {
  min-height: 48px;
  padding: 0 16px;
  border: 1px solid rgba(226, 232, 240, 0.18);
  border-radius: 12px;
  background: rgba(24, 34, 52, 0.8);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
}

.login-field input::placeholder {
  color: rgba(255, 255, 255, 0.58);
}

.login-field input:focus {
  outline: 2px solid rgba(68, 155, 255, 0.55);
  outline-offset: 2px;
}

.login-error {
  min-height: 18px;
  margin: -4px 0 12px;
  color: #ffb4b4;
  font-size: 13px;
  font-weight: 750;
}

.login-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.login-button {
  min-width: 92px;
  min-height: 48px;
  border: 0;
  border-radius: 999px;
  background: #fff;
  color: #05070a;
  padding: 0 22px;
  font-size: 16px;
  font-weight: 800;
}

.login-actions span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 650;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 260px;
  padding: 24px 18px;
  background: #0f1d32;
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.brand {
  color: inherit;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 48px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: var(--blue);
  font-size: 12px;
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: #aebed1;
  margin-top: 2px;
}

.nav {
  display: grid;
  gap: 6px;
}

.nav-link {
  color: #d7e5f5;
  text-decoration: none;
  padding: 11px 12px;
  border-radius: var(--radius);
  font-weight: 650;
}

.nav-link:hover,
.nav-link.is-active {
  background: rgba(68, 155, 255, 0.18);
  color: #fff;
}

.sidebar-note {
  margin-top: auto;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  color: #aebed1;
  display: grid;
  gap: 4px;
  font-size: 13px;
}

.sidebar-note strong {
  color: #fff;
}

.app {
  margin-left: 260px;
  padding: 28px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--blue-dark);
  font-weight: 750;
  font-size: 13px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 34px;
  line-height: 1.12;
}

h2 {
  font-size: 18px;
  margin-bottom: 0;
}

h3 {
  font-size: 16px;
}

.topbar-actions,
.dialog-actions,
.quick-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.primary-button,
.secondary-button,
.icon-button {
  border: 0;
  border-radius: var(--radius);
  min-height: 40px;
  padding: 0 15px;
  font-weight: 750;
}

.primary-button {
  color: #fff;
  background: var(--blue);
}

.primary-button:hover {
  background: var(--blue-dark);
}

.secondary-button,
.icon-button {
  color: var(--text);
  background: var(--surface-2);
}

.icon-button {
  width: 40px;
  padding: 0;
  font-size: 20px;
}

.view {
  display: none;
}

.view.is-visible {
  display: block;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.metric,
.panel,
.server-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.metric {
  padding: 18px;
}

.metric span {
  display: block;
  color: var(--muted);
  font-weight: 650;
  font-size: 13px;
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-size: 30px;
  line-height: 1;
}

.metric small {
  display: block;
  margin-top: 9px;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px;
}

.panel {
  padding: 18px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.muted {
  color: var(--muted);
}

.list {
  display: grid;
  gap: 10px;
}

.list-item,
.timeline-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius);
  background: var(--surface-2);
}

.list-item strong,
.timeline-item strong {
  display: block;
}

.list-item span,
.timeline-item span {
  color: var(--muted);
  font-size: 13px;
}

.toolbar {
  display: flex;
  align-items: end;
  gap: 12px;
  margin-bottom: 14px;
}

.toolbar select {
  flex: 0 0 180px;
  width: 180px;
}

.search {
  display: grid;
  gap: 6px;
  width: min(520px, 100%);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  min-height: 42px;
  padding: 9px 11px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  align-items: start;
}

.table-panel {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

tbody tr {
  cursor: pointer;
}

tbody tr:hover,
tbody tr.is-selected {
  background: #f5faff;
}

.empty-state {
  display: none;
  padding: 36px 14px;
  text-align: center;
  color: var(--muted);
}

.empty-state.is-visible {
  display: grid;
  gap: 8px;
}

.empty-state strong {
  color: var(--text);
  font-size: 20px;
}

.client {
  display: grid;
  gap: 3px;
}

.client span {
  color: var(--muted);
  font-size: 13px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.badge.active,
.badge.paid,
.badge.online {
  background: #e8f8f0;
  color: var(--green);
}

.badge.trial,
.badge.pending,
.badge.new {
  background: #fff4dc;
  color: var(--amber);
}

.badge.expired,
.badge.failed,
.badge.error,
.badge.blocked,
.badge.refunded {
  background: #ffe8e8;
  color: var(--red);
}

.badge.revoked {
  background: #edf1f5;
  color: var(--muted);
}

.detail {
  position: sticky;
  top: 28px;
}

.detail-card {
  display: grid;
  gap: 14px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.field {
  padding: 10px;
  border-radius: var(--radius);
  background: var(--surface-2);
}

.field span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 4px;
}

.field strong {
  display: block;
  overflow-wrap: anywhere;
}

.server-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.server-card {
  padding: 18px;
}

.server-meta {
  display: grid;
  gap: 10px;
  margin: 16px 0;
}

.meter {
  height: 8px;
  background: var(--surface-2);
  border-radius: 999px;
  overflow: hidden;
}

.meter span {
  display: block;
  height: 100%;
  background: var(--blue);
}

.timeline {
  display: grid;
  gap: 10px;
}

dialog {
  width: min(560px, calc(100% - 28px));
  border: 0;
  border-radius: var(--radius);
  padding: 0;
  box-shadow: 0 30px 80px rgba(15, 29, 50, 0.25);
}

dialog::backdrop {
  background: rgba(15, 29, 50, 0.42);
}

dialog form {
  padding: 18px;
}

.dialog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-grid label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.form-grid .wide {
  grid-column: 1 / -1;
}

.dialog-actions {
  justify-content: flex-end;
  margin-top: 18px;
}

@media (max-width: 1100px) {
  .metrics,
  .server-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workspace,
  .split {
    grid-template-columns: 1fr;
  }

  .detail {
    position: static;
  }
}

@media (max-width: 760px) {
  .sidebar {
    position: static;
    width: auto;
    padding: 16px;
  }

  .app {
    margin-left: 0;
    padding: 18px;
  }

  .nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .topbar,
  .toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .metrics,
  .server-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 28px;
  }

  .login-card {
    padding: 24px 18px;
    border-radius: 18px;
  }

  .login-head {
    display: block;
  }

  .login-head h1 {
    font-size: 36px;
    margin-bottom: 8px;
  }

  .login-field input {
    min-height: 46px;
    font-size: 15px;
    border-radius: 12px;
  }
}