:root {
  color-scheme: light dark;
  --bg: #f4f7fb;
  --bg-accent: radial-gradient(circle at 0% 0%, #e8efff, transparent 42%),
    radial-gradient(circle at 100% 20%, #dafaf5, transparent 30%),
    #f4f7fb;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: #ffffff;
  --border: #d9e1ec;
  --text: #101828;
  --text-muted: #516178;
  --shadow: 0 12px 32px rgba(16, 24, 40, 0.08);
  --shadow-hover: 0 24px 42px rgba(16, 24, 40, 0.16);
  --input-bg: #ffffff;
  --input-border: #c9d6e6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c131c;
    --bg-accent: radial-gradient(circle at 0% 0%, #10263e, transparent 45%),
      radial-gradient(circle at 100% 20%, #10312c, transparent 32%), #0c131c;
    --surface: rgba(17, 26, 37, 0.82);
    --surface-strong: #121d2b;
    --border: #253447;
    --text: #ebf1f8;
    --text-muted: #b0bfd0;
    --shadow: 0 14px 34px rgba(0, 0, 0, 0.35);
    --shadow-hover: 0 24px 48px rgba(0, 0, 0, 0.45);
    --input-bg: #0f1a28;
    --input-border: #304053;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg-accent);
  color: var(--text);
  font-family: "Manrope", sans-serif;
}

.page-shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 28px clamp(16px, 2vw, 32px) 40px;
}

.topbar {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 28px;
}

.title-group .eyebrow {
  margin: 0;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.76rem;
}

.title-group h1 {
  margin: 4px 0 0;
  font-family: "Sora", sans-serif;
  font-size: clamp(1.4rem, 2vw, 2rem);
  line-height: 1.2;
}

.search-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  width: min(420px, 100%);
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
}

.search-wrap span {
  opacity: 0.65;
  font-size: 1.08rem;
}

.search-wrap input {
  width: 100%;
  border: 0;
  outline: none;
  font-size: 0.95rem;
  color: var(--text);
  background: transparent;
  font-family: inherit;
}

.search-wrap input::placeholder {
  color: var(--text-muted);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(12px, 1.2vw, 18px);
}

.system-card {
  --accent: #2e7be4;
  position: relative;
  min-height: 182px;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px 16px;
  background: linear-gradient(
      145deg,
      color-mix(in srgb, var(--accent) 18%, transparent),
      transparent 58%
    ),
    var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.system-card:hover {
  transform: translateY(-4px) scale(1.015);
  box-shadow: var(--shadow-hover);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
}

.system-card:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 55%, #ffffff 45%);
  outline-offset: 2px;
}

.system-card .card-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  font-size: 1.9rem;
  color: color-mix(in srgb, var(--accent) 68%, var(--text) 32%);
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
}

.system-card .card-icon svg {
  width: 30px;
  height: 30px;
  stroke-width: 2.15;
}

.system-card .card-icon img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.system-card .card-name {
  margin: 2px 0 0;
  font-family: "Sora", sans-serif;
  font-size: 1.02rem;
  line-height: 1.3;
}

.system-card .card-description {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.system-card[hidden] {
  display: none;
}

.sortable-ghost {
  opacity: 0.35;
}

.sortable-chosen {
  border-style: dashed;
}

.empty-state {
  margin: 22px 2px 0;
  color: var(--text-muted);
  font-weight: 600;
}

@media (max-width: 1240px) {
  .cards-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .cards-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .system-card {
    min-height: 164px;
    padding: 16px 14px;
    gap: 8px;
  }

  .system-card .card-icon {
    width: 48px;
    height: 48px;
  }

  .system-card .card-icon svg,
  .system-card .card-icon img {
    width: 26px;
    height: 26px;
  }
}

@media (max-width: 760px) {
  .cards-grid {
    grid-template-columns: 1fr;
    width: min(420px, calc(100% - 52px));
    margin-inline: auto;
  }

  .system-card {
    min-height: 148px;
    padding: 14px 12px;
    border-radius: 16px;
  }

  .system-card .card-name {
    font-size: 0.95rem;
  }

  .system-card .card-description {
    font-size: 0.82rem;
    line-height: 1.35;
  }
}

@media (max-width: 540px) {
  .cards-grid {
    grid-template-columns: 1fr;
    width: min(380px, calc(100% - 42px));
    gap: 10px;
  }

  .topbar {
    margin-bottom: 22px;
  }

  .system-card {
    min-height: 126px;
    padding: 12px;
    gap: 7px;
  }

  .system-card .card-icon {
    width: 42px;
    height: 42px;
  }

  .system-card .card-icon svg,
  .system-card .card-icon img {
    width: 22px;
    height: 22px;
  }

  .system-card .card-name {
    font-size: 0.9rem;
  }

  .system-card .card-description {
    font-size: 0.8rem;
    line-height: 1.3;
  }
}