/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0 var(--spacing-lg);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  height: 50px;
  transition: all var(--animation-normal) var(--animation-curve);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-separator);
}

.btn-secondary:hover {
  background: var(--color-surface);
  border-color: var(--color-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
}

.btn-ghost:hover {
  background: var(--color-surface);
}

.btn-danger {
  background: var(--color-error);
  color: white;
}

.btn-danger:hover {
  background: #E0342B;
}

.btn-sm {
  height: 36px;
  padding: 0 var(--spacing-md);
  font-size: var(--font-size-footnote);
}

.btn-lg {
  height: 56px;
  padding: 0 var(--spacing-xl);
  font-size: var(--font-size-headline);
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Cards */
.card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--animation-normal) var(--animation-curve);
}

.card-hover:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
}

/* Input Fields */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-label {
  font-size: var(--font-size-subhead);
  font-weight: var(--font-weight-medium);
  color: var(--color-secondary-label);
}

.form-input {
  height: 50px;
  padding: 0 var(--spacing-md);
  background: var(--color-surface);
  border: 1.5px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--font-size-body);
  color: var(--color-label);
  transition: all var(--animation-fast) var(--animation-curve);
}

.form-input:focus {
  border-color: var(--color-primary);
  background: var(--color-card);
}

.form-input::placeholder {
  color: var(--color-tertiary-label);
}

.form-select {
  height: 50px;
  padding: 0 var(--spacing-md);
  background: var(--color-surface);
  border: 1.5px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--font-size-body);
  color: var(--color-label);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238E8E93' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  cursor: pointer;
}

.form-select:focus {
  border-color: var(--color-primary);
  background-color: var(--color-card);
}

/* Progress Bar */
.progress-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) 0;
}

.progress-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  position: relative;
}

.progress-step::before {
  content: '';
  position: absolute;
  top: 14px;
  left: calc(-50% + 14px);
  right: calc(50% + 14px);
  height: 2px;
  background: var(--color-separator);
}

.progress-step:first-child::before {
  display: none;
}

.progress-step.active::before,
.progress-step.completed::before {
  background: var(--color-primary);
}

.progress-step.warning::before {
  background: var(--color-warning);
}

.progress-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-separator);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-caption);
  color: white;
  z-index: 1;
  transition: all var(--animation-normal) var(--animation-curve);
}

.progress-step.active .progress-dot {
  background: var(--color-primary);
  transform: scale(1.1);
}

.progress-step.completed .progress-dot {
  background: var(--color-success);
}

.progress-step.warning .progress-dot {
  background: var(--color-warning);
}

.progress-label {
  font-size: var(--font-size-caption);
  color: var(--color-tertiary-label);
  text-align: center;
  max-width: 80px;
}

.progress-step.active .progress-label {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
}

.badge-primary {
  background: rgba(0, 122, 255, 0.12);
  color: var(--color-primary);
}

.badge-success {
  background: rgba(52, 199, 89, 0.12);
  color: var(--color-success);
}

.badge-warning {
  background: rgba(255, 149, 0, 0.12);
  color: var(--color-warning);
}

.badge-error {
  background: rgba(255, 59, 48, 0.12);
  color: var(--color-error);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--animation-normal) var(--animation-curve);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  max-width: 400px;
  width: 90%;
  transform: scale(0.9) translateY(20px);
  transition: all var(--animation-normal) var(--animation-curve);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-title {
  font-size: var(--font-size-headline);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
}

.modal-content {
  margin-bottom: var(--spacing-lg);
  color: var(--color-secondary-label);
}

.modal-actions {
  display: flex;
  gap: var(--spacing-md);
}

.modal-actions .btn {
  flex: 1;
}

/* Toast */
.toast {
  position: fixed;
  bottom: calc(var(--navbar-height-mobile) + var(--spacing-md));
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-label);
  color: var(--color-background);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-size: var(--font-size-subhead);
  font-weight: var(--font-weight-medium);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-toast);
  opacity: 0;
  transition: all var(--animation-normal) var(--animation-curve);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

@media (min-width: 1024px) {
  .toast {
    bottom: var(--spacing-xl);
  }
}

/* Option Selector */
.option-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.option-group.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.option-label {
  font-size: var(--font-size-subhead);
  font-weight: var(--font-weight-medium);
  color: var(--color-secondary-label);
  margin-bottom: var(--spacing-xs);
}

.option-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.option-item {
  flex: 1;
  min-width: 100px;
  padding: var(--spacing-md);
  background: var(--color-card);
  border: 2px solid var(--color-separator);
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: all var(--animation-fast) var(--animation-curve);
}

.option-item:hover {
  border-color: var(--color-primary);
}

.option-item.selected {
  background: rgba(0, 122, 255, 0.08);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.option-item.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* File Upload Area */
.upload-area {
  border: 2px dashed var(--color-separator);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xxl);
  text-align: center;
  cursor: pointer;
  transition: all var(--animation-normal) var(--animation-curve);
}

.upload-area:hover {
  border-color: var(--color-primary);
  background: rgba(0, 122, 255, 0.04);
}

.upload-area.dragover {
  border-color: var(--color-primary);
  background: rgba(0, 122, 255, 0.08);
}

.upload-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  color: var(--color-tertiary-label);
}

.upload-text {
  font-size: var(--font-size-headline);
  color: var(--color-label);
  margin-bottom: var(--spacing-sm);
}

.upload-hint {
  font-size: var(--font-size-footnote);
  color: var(--color-tertiary-label);
}

/* File List */
.file-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.file-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-surface);
  border-radius: var(--radius-md);
}

.file-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-card);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
}

.file-info {
  flex: 1;
  min-width: 0;
}

.file-name {
  font-size: var(--font-size-subhead);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-meta {
  font-size: var(--font-size-caption);
  color: var(--color-tertiary-label);
}

.file-remove {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--color-tertiary-label);
  transition: all var(--animation-fast) var(--animation-curve);
}

.file-remove:hover {
  background: rgba(255, 59, 48, 0.12);
  color: var(--color-error);
}

/* Order Card */
.order-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all var(--animation-normal) var(--animation-curve);
}

.order-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.order-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.order-title {
  font-size: var(--font-size-headline);
  font-weight: var(--font-weight-semibold);
}

.order-date {
  font-size: var(--font-size-caption);
  color: var(--color-tertiary-label);
}

.order-price {
  font-size: var(--font-size-headline);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xxl);
  text-align: center;
}

.empty-icon {
  width: 80px;
  height: 80px;
  margin-bottom: var(--spacing-lg);
  color: var(--color-tertiary-label);
  opacity: 0.5;
}

.empty-title {
  font-size: var(--font-size-headline);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
}

.empty-description {
  font-size: var(--font-size-subhead);
  color: var(--color-tertiary-label);
  margin-bottom: var(--spacing-lg);
}