/* =========================
   LAYOUT ROOT
========================= */

.metrics-shell {
  min-height: 100vh;
  padding: var(--page-gutter);
  overflow-y: auto;
}

/* =========================
   TOPBAR
========================= */

.metrics-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.metrics-brand {
  display: grid;
  gap: var(--space-1);
}

.metrics-kicker {
  color: var(--color-muted);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.metrics-title {
  margin: 0;
  font-size: var(--text-lg);
  line-height: var(--line-tight);
  font-weight: 520;
  letter-spacing: -0.04em;
}

/* =========================
   ACTIONS (FIXED WIDTH BLOCK)
========================= */

.metrics-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);

  min-width: clamp(16rem, 20vw, 20rem);
}

/* DISTRIBUSI SEIMBANG */
.metrics-actions > * {
  flex: 1 1 0;
  min-width: 0;
}

/* =========================
   DROPDOWN
========================= */

.dropdown {
  position: relative;
  width: 100%;
}

.dropdown-trigger {
  width: 100%;

  display: flex;
  align-items: center;
  justify-content: space-between;

  height: clamp(1.9rem, 2.4vw, 2.3rem);
  padding: 0 var(--space-3);

  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);

  background: var(--color-surface-raised);
  color: var(--color-text);

  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;

  transition: border var(--transition-fast);
}

.dropdown-trigger:focus {
  outline: none;
}

.dropdown-trigger:hover {
  border-color: var(--color-border-strong);
}

/* TEXT ALIGN */
.dropdown-trigger span:first-child {
  flex: 1;
  text-align: left;
}

/* 🔻 SMALL TRIANGLE */
.dropdown-arrow {
  width: 0;
  height: 0;

  border-left: 3px solid transparent;
  border-right: 3px solid transparent;
  border-top: 4px solid var(--color-muted);

  opacity: 0.7;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.dropdown.open .dropdown-arrow {
  transform: rotate(180deg);
  opacity: 1;
}

/* MENU */

.dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;

  width: 100%;
  padding: var(--space-2);

  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);

  background: var(--color-surface);

  display: none;
  flex-direction: column;
  gap: 2px;

  z-index: 10;
}

.dropdown.open .dropdown-menu {
  display: flex;
}

.dropdown-item {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-xs);

  font-size: var(--text-xs);
  color: var(--color-muted);
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.dropdown-item:hover {
  background: rgba(255,255,255,0.05);
  color: var(--color-text);
}

.dropdown-item.active {
  background: rgba(255,255,255,0.08);
  color: var(--color-text);
}

/* =========================
   BUTTON
========================= */

.metrics-button {
  width: 100%;

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);

  height: clamp(1.9rem, 2.4vw, 2.3rem);
  padding: 0 var(--space-3);

  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);

  background: var(--color-surface-raised);
  color: var(--color-text);

  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;

  transition: border var(--transition-fast);
}

.metrics-button:hover {
  border-color: var(--color-border-strong);
}

/* ICON SIZE FIX */
.metrics-button svg {
  flex: 0 0 auto;
  width: clamp(0.65rem, 0.8vw, 0.75rem);
  height: clamp(0.65rem, 0.8vw, 0.75rem);
  opacity: 0.85;
}

button,
.dropdown-trigger,
.dropdown-item {
  cursor: pointer;
}

/* =========================
   GRID
========================= */

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-3);
}

/* =========================
   LOWER SECTION CARDS
========================= */

.funnel-card,
.channel-card,
.alert-card,
.marketplace-card,
.traffic-card {
  grid-column: span 4;
  min-height: clamp(14rem, 24vw, 18rem);
}

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

.card {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, var(--color-surface-raised), var(--color-surface));
  overflow: hidden;
}

.card-pad {
  padding: var(--card-padding);
}

/* =========================
   METRIC CARD
========================= */

.metric-card {
  position: relative;
  grid-column: span 3;
}

.metric-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    circle at top left,
    rgba(255,255,255,0.04),
    transparent 60%
  );
  pointer-events: none;
}

.metric-label {
  color: var(--color-muted);
  font-size: var(--text-xs);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.metric-value {
  margin-top: var(--space-3);
  font-size: var(--text-xl);
  line-height: var(--line-tight);
  font-weight: 560;
  letter-spacing: -0.055em;
}

.metric-note {
  margin-top: var(--space-2);
  color: var(--color-soft);
  font-size: var(--text-xs);
}

/* =========================
   CHART + SIDE
========================= */

.chart-card {
  grid-column: span 8;
  min-height: clamp(13rem, 27vw, 19rem);
}

.side-card {
  grid-column: span 4;
  min-height: clamp(13rem, 27vw, 19rem);
}

/* =========================
   SECTION
========================= */

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.section-title {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: 520;
  letter-spacing: -0.02em;
}

.section-meta {
  color: var(--color-muted);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.chart-wrap {
  position: relative;
  height: clamp(10rem, 21vw, 15rem);
}

/* =========================
   LIST
========================= */

.stack {
  display: grid;
  gap: var(--space-2);
}

.list-row,
.funnel-row,
.alert-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}

.list-row:last-child,
.funnel-row:last-child,
.alert-row:last-child {
  border-bottom: 0;
}

.list-name,
.funnel-name,
.alert-name {
  min-width: 0;
  color: var(--color-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.list-value,
.funnel-value,
.alert-value {
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

/* =========================
   PROGRESS
========================= */

.progress {
  grid-column: 1 / -1;
  height: 0.25rem;
  border-radius: 999rem;
  background: rgba(255,255,255,0.055);
  overflow: hidden;
}

.progress span {
  display: block;
  height: 100%;
  width: var(--w, 0%);
  background: rgba(255,255,255,0.42);
  border-radius: inherit;
}

/* =========================
   ALERT
========================= */

.alert-row.is-danger .alert-value {
  color: var(--color-danger);
}

.alert-row.is-warn .alert-value {
  color: var(--color-warn);
}

/* =========================
   EMPTY
========================= */

.empty {
  color: var(--color-soft);
  font-size: var(--text-xs);
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 1024px) {
  .metric-card {
    grid-column: span 6;
  }

  .chart-card,
  .side-card,
  .funnel-card,
  .channel-card,
  .alert-card {
    grid-column: span 12;
  }
}

@media (max-width: 640px) {
  .metrics-topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .metrics-actions {
    width: 100%;
  }

  .metric-card {
    grid-column: span 12;
  }
}