:root {
  /* Colors */
  --bg: #07111f;
  --bg-2: #0d1d33;
  --panel: #0f223a;
  --panel-2: #122a46;
  --line: rgba(115, 170, 224, 0.18);
  --line-strong: rgba(120, 219, 255, 0.32);
  --text: #eef6ff;
  --muted: #9db5cf;
  --navy: #0b3f7b;
  --blue: #1f78d1;
  --cyan: #66d8ff;
  --cyan-2: #9aeaff;
  --success: #1ea86e;
  --danger: #d65757;
  --warning: #d89a2d;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 28px;
  --space-8: 32px;

  /* Radii */
  --radius-sm: 14px;
  --radius-md: 18px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-2xl: 26px;

  /* Transitions */
  --transition-fast: 0.14s ease;
  --transition-default: 0.2s ease;

  /* Shadows */
  --shadow-sm: 0 10px 24px rgba(23, 108, 191, 0.28);
  --shadow-default: 0 18px 60px rgba(0, 0, 0, 0.35);

  /* Backgrounds */
  --card-bg: linear-gradient(180deg, rgba(18, 42, 70, 0.96), rgba(10, 24, 42, 0.96));
  --btn-primary-bg: linear-gradient(135deg, var(--navy), var(--blue) 55%, var(--cyan));
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  position: relative;
}

/* Decorative gradients – moved to a pseudo-element for better performance */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background:
    radial-gradient(circle at top left, rgba(102, 216, 255, 0.10), transparent 26%),
    radial-gradient(circle at top right, rgba(31, 120, 209, 0.16), transparent 24%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  z-index: -1;
}

a {
  color: var(--cyan-2);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: 1280px;
  margin-inline: auto;
  padding: var(--space-7) var(--space-4) var(--space-8);
}

.brand-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}

.brand-bar,
.card,
.stat {
  background: var(--card-bg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-default);
}

.brand-bar {
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-6);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.brand-logo {
  height: 74px;
  width: auto;
  display: block;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.18));
}

.brand-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 0.2px;
  margin: 0;
}

.brand-subtitle {
  margin-block-start: var(--space-1);
  margin-block-end: 0;
  color: var(--muted);
  font-size: 14px;
}

.top-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* Buttons */
:is(.btn, button, input[type="submit"]) {
  appearance: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-weight: 700;
  font-size: 14px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
}

@media (prefers-reduced-motion: no-preference) {
  :is(.btn, button, input[type="submit"]):hover {
    transform: translateY(-1px);
  }
}

.btn-primary,
button,
input[type="submit"] {
  color: #fff;
  background: var(--btn-primary-bg);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.btn-danger {
  color: #fff;
  background: linear-gradient(135deg, #7d2232, #c63f57);
}

/* Cards */
.card {
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-4);
}

:where(h1, h2, h3) {
  margin-top: 0;
}

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

/* Stats grid – auto-fit for responsive flexibility */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.stat {
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.stat-label {
  color: var(--muted);
  font-size: 13px;
}

.stat-number {
  font-size: 34px;
  font-weight: 800;
  margin-block-start: var(--space-2);
}

/* Layout grids */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.grid-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-4);
}

@media (max-width: 1000px) {
  .grid-2,
  .grid-hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .brand-lockup {
    align-items: flex-start;
  }
  .brand-logo {
    height: 62px;
  }
}

/* Forms */
label {
  display: block;
  margin-block-end: var(--space-2);
  font-size: 14px;
  font-weight: 700;
  color: #dbebff;
}

:is(input, select, textarea) {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(115, 170, 224, 0.22);
  background: rgba(7, 17, 31, 0.72);
  color: var(--text);
  padding: 13px 14px;
  font-size: 15px;
  outline: none;
}

:is(input, select, textarea):focus {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 4px rgba(102, 216, 255, 0.08);
}

::placeholder {
  color: color-mix(in srgb, var(--muted) 60%, transparent);
}

.mb {
  margin-block-end: var(--space-4);
}

/* Notices */
.notice {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  margin-block-end: var(--space-4);
  border: 1px solid transparent;
}

.notice.success {
  background: rgba(30, 168, 110, 0.16);
  border-color: rgba(30, 168, 110, 0.35);
  color: #9bf0c8;
}

.notice.error {
  background: rgba(214, 87, 87, 0.16);
  border-color: rgba(214, 87, 87, 0.35);
  color: #ffb8b8;
}

.notice.info {
  background: rgba(31, 120, 209, 0.16);
  border-color: rgba(31, 120, 209, 0.35);
  color: #bfe3ff;
}

/* Tables */
.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(4, 12, 22, 0.36);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  padding: 13px var(--space-3);
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(115, 170, 224, 0.14);
}

th {
  background: rgba(255, 255, 255, 0.02);
  color: #dff0ff;
  font-size: 13px;
  letter-spacing: 0.2px;
}

tbody tr:hover {
  background: rgba(102, 216, 255, 0.035);
}

/* Pills */
.pill {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid transparent;
}

.pill.neutral {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--line);
  color: #d4e7fb;
}

.pill.success {
  background: rgba(30, 168, 110, 0.18);
  border-color: rgba(30, 168, 110, 0.35);
  color: #9bf0c8;
}

.pill.warning {
  background: rgba(216, 154, 45, 0.18);
  border-color: rgba(216, 154, 45, 0.36);
  color: #ffd78a;
}

.pill.danger {
  background: rgba(214, 87, 87, 0.18);
  border-color: rgba(214, 87, 87, 0.35);
  color: #ffb8b8;
}

/* Auth page */
.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

.auth-card {
  width: 100%;
  max-width: 500px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-2xl);
  padding: var(--space-7);
  box-shadow: var(--shadow-default);
}

.auth-logo {
  height: 90px;
  width: auto;
  display: block;
  margin-inline: auto;
  margin-block-end: var(--space-3);
}

.auth-title {
  text-align: center;
  margin: 0 0 var(--space-2);
  font-size: 30px;
}

.auth-copy {
  text-align: center;
  color: var(--muted);
  margin: 0 0 var(--space-4);
}

.helper-box {
  background: rgba(5, 14, 26, 0.62);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  color: var(--muted);
  font-size: 13px;
}

.section-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* Accessibility & polish */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

::selection {
  background: var(--cyan);
  color: var(--bg);
}

/* Custom scrollbar (optional, enhances polish) */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-2);
}

::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: 4px;
}