.usage-main [hidden] {
  display: none !important;
}

.usage-main {
  min-height: 76vh;
}

.usage-hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--line);
}

.usage-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 120px;
  gap: 48px;
  align-items: end;
}

.usage-hero h1 {
  max-width: 850px;
  margin: 10px 0 18px;
  font-size: clamp(2.75rem, 6.4vw, 5.9rem);
  line-height: 0.98;
  letter-spacing: -0.065em;
}

.usage-hero p:not(.eyebrow) {
  max-width: 760px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.period-rail {
  display: grid;
  grid-template-rows: auto 84px auto;
  justify-items: center;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.period-rail i {
  position: relative;
  width: 1px;
  background: var(--line-strong);
}

.period-rail i::before,
.period-rail i::after {
  position: absolute;
  left: 50%;
  width: 9px;
  height: 9px;
  border: 2px solid var(--signal);
  border-radius: 50%;
  background: var(--paper);
  content: "";
  transform: translateX(-50%);
}

.period-rail i::before { top: 8px; }
.period-rail i::after { bottom: 8px; }

.period-rail strong {
  color: var(--signal-dark);
  font-weight: 700;
}

.portal-shell {
  padding: 42px 0 96px;
}

.portal-message {
  margin-bottom: 18px;
  padding: 13px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--paper-raised);
  color: var(--ink-soft);
}

.portal-message.is-error {
  border-color: #d49494;
  background: #fff0f0;
  color: #802323;
}

.auth-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 440px);
  gap: 64px;
  align-items: start;
  padding: clamp(30px, 5vw, 64px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-lg);
}

.auth-panel h2,
.state-panel h2 {
  margin: 8px 0 14px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.auth-panel p:not(.eyebrow),
.state-panel p:not(.eyebrow) {
  max-width: 600px;
  color: var(--ink-soft);
}

.login-form {
  display: grid;
  gap: 9px;
}

.login-form label,
.organization-control label {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.login-form input,
.organization-control select {
  width: 100%;
  min-height: 48px;
  margin-bottom: 10px;
  padding: 11px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--paper-raised);
  font-size: 1rem;
}

.login-form .button {
  margin-top: 8px;
}

.portal-toolbar {
  display: flex;
  gap: 24px;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 24px;
}

.organization-control {
  width: min(100%, 440px);
}

.organization-control select {
  margin: 5px 0 0;
}

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

.button-quiet {
  min-height: 44px;
  border: 0;
  color: var(--ink-soft);
  background: transparent;
  cursor: pointer;
}

.loading-state,
.state-panel {
  display: flex;
  min-height: 230px;
  gap: 22px;
  align-items: center;
  justify-content: center;
  padding: 40px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.66);
  text-align: left;
}

.loading-state p {
  margin: 2px 0 0;
  color: var(--ink-muted);
}

.loading-mark {
  width: 34px;
  height: 34px;
  border: 3px solid var(--line);
  border-top-color: var(--signal);
  border-radius: 50%;
  animation: usage-spin 0.8s linear infinite;
}

@keyframes usage-spin { to { transform: rotate(360deg); } }

.state-panel {
  display: block;
  text-align: center;
}

.state-error {
  border-color: #d49494;
  background: #fff8f8;
}

.period-card {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--code);
  color: var(--code-text);
  box-shadow: var(--shadow-sm);
}

.period-card .eyebrow { color: var(--code-key); }

.period-card h2 {
  margin: 7px 0 0;
  font-family: var(--mono);
  font-size: clamp(1rem, 2.5vw, 1.45rem);
  letter-spacing: -0.025em;
}

.reset-block {
  min-width: 190px;
  padding-left: 24px;
  border-left: 1px solid var(--code-soft);
}

.reset-block span {
  display: block;
  color: var(--code-muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.reset-block strong { font-size: 1.05rem; }

.quota-alerts {
  display: grid;
  gap: 10px;
  margin: -22px 0 42px;
}

.quota-alert {
  padding: 14px 17px;
  border: 1px solid #e2be69;
  border-radius: var(--radius-sm);
  background: var(--warning-soft);
  color: #674400;
}

.quota-alert.is-exceeded {
  border-color: #d49494;
  background: #fff0f0;
  color: #802323;
}

.section-title-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 430px);
  gap: 30px;
  align-items: end;
  margin: 48px 0 20px;
}

.section-title-row h2 {
  margin: 5px 0 0;
  font-size: clamp(1.8rem, 4vw, 3.15rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.section-title-row > p {
  margin: 0;
  color: var(--ink-muted);
}

.metric-grid,
.compact-metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.metric-card,
.compact-metric,
.breakdown-card,
.truth-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-sm);
}

.metric-card {
  padding: 25px;
}

.metric-card-top,
.metric-numbers,
.compact-metric-top,
.breakdown-row {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

.metric-card h3,
.compact-metric h3 {
  margin: 0;
  font-size: 1.15rem;
}

.quota-pill {
  padding: 4px 9px;
  border-radius: 999px;
  color: var(--ink-soft);
  background: var(--paper-deep);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.quota-pill.is-available { color: #066b5c; background: var(--success-soft); }
.quota-pill.is-reached,
.quota-pill.is-exceeded { color: var(--warning); background: var(--warning-soft); }

.metric-numbers {
  align-items: end;
  margin: 30px 0 16px;
}

.metric-number span,
.metric-limit span,
.compact-value span {
  display: block;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metric-number strong {
  font-size: clamp(2.8rem, 7vw, 5rem);
  line-height: 0.9;
  letter-spacing: -0.075em;
}

.metric-limit { text-align: right; }
.metric-limit strong { font-size: 1.2rem; }

.metric-card progress {
  width: 100%;
  height: 8px;
  border: 0;
  border-radius: 999px;
  overflow: hidden;
  background: var(--paper-deep);
}

.metric-card progress::-webkit-progress-bar { background: var(--paper-deep); }
.metric-card progress::-webkit-progress-value { background: var(--signal); }
.metric-card progress::-moz-progress-bar { background: var(--signal); }

.metric-foot {
  display: flex;
  justify-content: space-between;
  margin-top: 9px;
  color: var(--ink-muted);
  font-size: 0.8rem;
}

.compact-metric-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.compact-metric {
  padding: 20px;
}

.compact-metric-top { align-items: start; }

.compact-value {
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 1rem;
}

.inline-empty {
  padding: 18px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--ink-muted);
  text-align: center;
}

.breakdown-card {
  overflow: hidden;
}

.breakdown-group + .breakdown-group {
  border-top: 1px solid var(--line);
}

.breakdown-heading {
  display: flex;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--paper-deep);
}

.breakdown-heading span { color: var(--ink-soft); }

.breakdown-row {
  padding: 13px 20px;
  border-top: 1px solid var(--line);
}

.breakdown-row code { color: var(--ink-soft); }
.breakdown-empty { margin: 0; padding: 18px 20px; color: var(--ink-muted); }

.truth-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.truth-grid article {
  padding: 22px;
}

.truth-grid article > span {
  color: var(--signal-dark);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.truth-grid h3 { margin: 12px 0 6px; }
.truth-grid p { margin: 0; color: var(--ink-muted); }
.truth-grid .billing-card { border-style: dashed; box-shadow: none; }

@media (max-width: 820px) {
  .usage-hero-grid { grid-template-columns: 1fr; }
  .period-rail { display: none; }
  .auth-panel { grid-template-columns: 1fr; gap: 32px; }
  .metric-grid,
  .compact-metric-grid,
  .truth-grid { grid-template-columns: 1fr; }
  .section-title-row { grid-template-columns: 1fr; gap: 12px; }
}

@media (max-width: 620px) {
  .usage-hero { padding: 52px 0 40px; }
  .usage-hero h1 { font-size: clamp(2.65rem, 14vw, 4.2rem); }
  .portal-shell { padding-top: 24px; }
  .auth-panel { padding: 25px 20px; }
  .portal-toolbar,
  .period-card { align-items: stretch; flex-direction: column; }
  .organization-control { width: 100%; }
  .toolbar-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .reset-block { min-width: 0; padding: 16px 0 0; border-top: 1px solid var(--code-soft); border-left: 0; }
  .metric-card { padding: 20px; }
  .metric-number strong { font-size: 3.4rem; }
  .loading-state { padding: 30px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .loading-mark { animation: none; }
}