/* =========================
   BASE
   ========================= */
html, body {
  height: 100%;
  margin: 0;
}

body {
  font-family: Inter, Arial, sans-serif;
  background: linear-gradient(180deg, #0b1320, #05080f);
  color: #e6ebf2;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: #5da9ff;
  text-decoration: none;
}

/* =========================
   HEADER
   ========================= */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.header strong {
  font-weight: 600;
}

/* =========================
   BREADCRUMBS
   ========================= */
.breadcrumbs {
  font-size: 14px;
  color: #9aa4b2;
  margin: 12px 24px 24px;
}

.breadcrumbs a {
  color: #5da9ff;
}

.breadcrumbs span {
  margin: 0 6px;
}

/* =========================
   CONTAINER
   ========================= */
.container {
  padding: 32px;
  flex: 1;
}

/* =========================
   CARDS GRID (TETRIS)
   ========================= */
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: stretch;
}

/* =========================
   CARD BASE
   ========================= */
.card {
  display: block;
  padding: 24px;
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease;
}

.card:hover {
  transform: translateY(-2px);
  background: rgba(255,255,255,0.06);
}

/* =========================
   CARD SIZES
   ========================= */

/* большой приоритетный блок */
.card--xl {
  grid-column: span 2;
  padding: 32px;
}

/* обычный рабочий */
.card--md {
  grid-column: span 2;
}

/* вторичный */
.card--sm {
  grid-column: span 1;
  opacity: .65;
}

/* =========================
   CARD STATES
   ========================= */

/* требует внимания */
.card--attention {
  border-color: rgba(90,169,255,.6);
  box-shadow:
    0 0 0 1px rgba(90,169,255,.2),
    0 20px 60px rgba(0,0,0,.4);
}

/* активный помощник */
.card--active {
  border-color: rgba(0,255,180,.6);
  box-shadow:
    0 0 0 1px rgba(0,255,180,.25),
    0 20px 60px rgba(0,0,0,.35);
}

/* завершённый */
.card--done {
  opacity: .45;
}

/* =========================
   BADGES
   ========================= */
.badge {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: rgba(255,255,255,0.1);
  opacity: .9;
}

.badge--alert {
  background: rgba(255,120,120,.15);
  color: #ff9a9a;
}

.badge--ok {
  background: rgba(0,255,180,.15);
  color: #7fffd4;
}

/* =========================
   FOOTER
   ========================= */
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: rgba(255,255,255,0.03);
  border-top: 1px solid rgba(255,255,255,0.05);
  font-size: 13px;
  opacity: .7;
  margin-top: auto;
}

/* =========================
   RESPONSIVE
   ========================= */
@media (max-width: 1200px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .cards {
    grid-template-columns: 1fr;
  }

  .card--xl,
  .card--md,
  .card--sm {
    grid-column: span 1;
  }
}