:root {
  --bg: #f2f6fb;
  --panel: #ffffff;
  --line: #d7e1ea;
  --text: #102033;
  --muted: #5c6b7a;
  --blue: #1f5fff;
  --green: #0f9f6e;
  --red: #cc3b3b;
  --amber: #c77d14;
  --shadow: 0 20px 50px rgba(16, 32, 51, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(31, 95, 255, 0.08), transparent 30%),
    linear-gradient(180deg, #f7fbff 0%, var(--bg) 100%);
  color: var(--text);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

button,
input {
  font: inherit;
}

.hidden {
  display: none;
}

.shell {
  display: grid;
  min-height: 100vh;
  grid-template-columns: 320px minmax(0, 1fr);
}

.sidebar {
  padding: 32px 28px;
  background: linear-gradient(180deg, #0d1f37 0%, #17345c 100%);
  color: #eef4fb;
}

.brand {
  width: 220px;
  max-width: 100%;
  margin-bottom: 28px;
  border-radius: 14px;
  background: #ffffff;
  padding: 12px 16px;
}

.language-switcher {
  display: inline-flex;
  gap: 8px;
  margin-bottom: 22px;
  padding: 6px;
  border: 1px solid rgba(127, 208, 255, 0.24);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
}

.lang-button {
  min-width: 54px;
  min-height: 38px;
  border: 0;
  border-radius: 8px;
  color: #cfe6ff;
  background: transparent;
  font-weight: 800;
  cursor: pointer;
}

.lang-button.active {
  color: var(--text);
  background: #ffffff;
}

.eyebrow,
.panel-tag,
.sidebar-label {
  margin: 0 0 10px;
  color: #7fd0ff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

.lead,
.panel-copy,
.sidebar-copy,
.message,
.meta,
.list-muted {
  color: var(--muted);
  line-height: 1.6;
}

.sidebar-card,
.panel,
.metric-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.sidebar-card {
  margin-top: 26px;
  padding: 18px;
  color: var(--text);
}

.main {
  padding: 26px;
}

.panel {
  padding: 22px;
}

.auth-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  align-items: start;
}

.auth-form {
  display: grid;
  gap: 14px;
}

.auth-form label,
.event-row,
.system-row,
.top-ip-row {
  display: grid;
  gap: 8px;
}

.auth-form input {
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 14px;
  background: #fbfdff;
}

.auth-form button,
.secondary-button,
.ghost-button {
  min-height: 46px;
  border-radius: 10px;
  padding: 0 16px;
  font-weight: 700;
  cursor: pointer;
}

.auth-form button {
  border: 1px solid var(--blue);
  color: #ffffff;
  background: var(--blue);
}

.secondary-button {
  border: 1px solid var(--line);
  background: #ffffff;
}

.ghost-button {
  border: 1px solid rgba(204, 59, 59, 0.2);
  color: var(--red);
  background: rgba(204, 59, 59, 0.06);
}

.dashboard {
  display: grid;
  gap: 20px;
}

.dashboard-topbar {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.topbar-actions {
  display: flex;
  gap: 10px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.metric-card {
  padding: 18px;
}

.metric-value {
  margin: 8px 0 0;
  font-size: 28px;
  font-weight: 800;
}

.metric-title {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.data-grid > .panel {
  display: flex;
  max-height: 520px;
  min-height: 360px;
  flex-direction: column;
}

.data-grid > .panel.wide {
  max-height: 620px;
}

.wide {
  grid-column: span 2;
}

.section-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.list-table,
.event-list {
  display: grid;
  gap: 10px;
}

.data-grid .list-table,
.data-grid .event-list {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding-right: 6px;
  overscroll-behavior: contain;
  scrollbar-color: rgba(31, 95, 255, 0.42) rgba(215, 225, 234, 0.55);
  scrollbar-width: thin;
}

.data-grid .list-table::-webkit-scrollbar,
.data-grid .event-list::-webkit-scrollbar {
  width: 9px;
}

.data-grid .list-table::-webkit-scrollbar-track,
.data-grid .event-list::-webkit-scrollbar-track {
  border-radius: 999px;
  background: rgba(215, 225, 234, 0.55);
}

.data-grid .list-table::-webkit-scrollbar-thumb,
.data-grid .event-list::-webkit-scrollbar-thumb {
  border: 2px solid rgba(215, 225, 234, 0.55);
  border-radius: 999px;
  background: rgba(31, 95, 255, 0.42);
}

.top-ip-row,
.event-row,
.system-row {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  background: #fbfdff;
}

.subline {
  margin-top: 2px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.row-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 700;
}

.pill.success {
  color: #0f7a55;
  background: rgba(15, 159, 110, 0.14);
}

.pill.error {
  color: #a02b2b;
  background: rgba(204, 59, 59, 0.12);
}

.pill.warn {
  color: #9a5c09;
  background: rgba(199, 125, 20, 0.16);
}

.mono {
  font-family: Consolas, "Courier New", monospace;
}

@media (max-width: 1100px) {
  .shell {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .main,
  .sidebar {
    padding: 18px;
  }

  .auth-panel,
  .dashboard-topbar,
  .card-grid,
  .data-grid {
    grid-template-columns: 1fr;
  }

  .wide {
    grid-column: span 1;
  }

  .topbar-actions {
    width: 100%;
  }

  .topbar-actions button {
    flex: 1 1 0;
  }
}