.card,
.panel,
.summary-card,
.status-card,
.payment-card,
.history-card,
.preview-card,
.lock-card,
.calendar,
.month-detail,
.sidebar-card {
  background: var(--surface);
  backdrop-filter: blur(18px);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.primary-button,
.ghost-button,
.danger-button,
.icon-button,
.fab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 52px;
  padding: 0.9rem 1.3rem;
  border: 0;
  border-radius: 18px;
  cursor: pointer;
  line-height: 1;
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
  text-align: center;
  white-space: nowrap;
  transition: transform 120ms ease, box-shadow 120ms ease, background-color 120ms ease;
}

.primary-button:hover,
.ghost-button:hover,
.danger-button:hover,
.icon-button:hover,
.fab:hover {
  transform: translateY(-1px);
}

.primary-button:disabled,
.ghost-button:disabled,
.danger-button:disabled {
  cursor: not-allowed;
  opacity: 0.65;
  transform: none;
}

.primary-button {
  background: linear-gradient(135deg, var(--primary) 0%, #3f87ff 100%);
  color: #fff;
  box-shadow: 0 14px 26px rgba(29, 102, 242, 0.22);
}

.ghost-button {
  background: var(--surface-solid);
  border: 1px solid var(--border);
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.65);
}

.danger-button {
  background: var(--danger);
  color: #fff;
}

.icon-button {
  width: 42px;
  height: 42px;
  min-height: 42px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  background: var(--surface-solid);
  border: 1px solid var(--border);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
}

.chip--success {
  color: var(--success);
  background: var(--success-soft);
}

.chip--warning {
  color: var(--warning);
  background: var(--warning-soft);
}

.chip--muted {
  color: var(--text-muted);
  background: rgba(148, 163, 184, 0.12);
}

.field {
  display: grid;
  gap: 0.55rem;
}

.field label,
.field legend {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.input,
.select,
.textarea {
  padding: 0.9rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: 2px solid transparent;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(29, 102, 242, 0.12);
}

.hint,
.error-text {
  font-size: 0.85rem;
}

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

.error-text {
  color: var(--danger);
  min-height: 1.2em;
}

.spinner {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  border: 3px solid rgba(255, 255, 255, 0.34);
  border-top-color: #fff;
  animation: spin 800ms linear infinite;
}

.empty-state {
  padding: 2rem;
  border-radius: 20px;
  border: 1px dashed var(--border-strong);
  text-align: center;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.66);
}

.toast {
  padding: 1rem 1rem 1rem 1.1rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.92);
  color: #fff;
  box-shadow: var(--shadow);
}

.toast--error {
  background: rgba(127, 29, 29, 0.94);
}

.toast--success {
  background: rgba(20, 83, 45, 0.94);
}

.modal {
  width: min(92vw, 960px);
  padding: 0;
  border: 0;
  background: transparent;
}

.modal::backdrop {
  background: rgba(15, 23, 42, 0.54);
  backdrop-filter: blur(6px);
}

.modal__surface {
  padding: 1.2rem;
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow);
}

.modal__surface--image {
  padding-bottom: 1rem;
}

.modal__header,
.modal__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.modal__body {
  margin-top: 1rem;
}

.modal__body--image {
  display: flex;
  justify-content: center;
}

.modal__body--image img {
  max-height: 72vh;
  border-radius: 18px;
}

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