/* Navigation */
nav {
  background: var(--card-solid);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary);
  text-decoration: none;
  transition: opacity 0.2s;
}

.nav-brand:hover {
  opacity: 0.8;
}

.nav-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}

.nav-link:hover { color: var(--primary); }
.nav-link.active { color: var(--primary); }

.user-email {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
}

.btn-primary:disabled {
  background: #9ca3af;
  cursor: not-allowed;
}

.btn-text {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
}

.btn-text:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* Forms */
label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text);
  font-size: 0.875rem;
}

input[type="email"],
input[type="password"],
input[type="text"],
select,
textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: all 0.2s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group {
  margin-bottom: 1.5rem;
}

/* Messages */
.error-message {
  background: var(--error-bg);
  color: var(--error-text);
  padding: 0.75rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.success-message {
  background: var(--success-bg);
  color: var(--success-text);
  padding: 0.75rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

/* Status badges */
.status-badge {
  padding: 0.375rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: capitalize;
}

.status-pending { background: #fef3c7; color: #92400e; }
.status-confirmed { background: #dbeafe; color: #1e40af; }
.status-processing { background: #e0e7ff; color: #3730a3; }
.status-printing { background: #e0e7ff; color: #4338ca; }
.status-printed { background: #ddd6fe; color: #5b21b6; }
.status-shipped { background: #d1fae5; color: #065f46; }
.status-delivered { background: #d1fae5; color: #047857; }
.status-cancelled { background: #fee2e2; color: #991b1b; }
.status-refunded { background: #fee2e2; color: #b91c1c; }

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Text utilities */
.text-center {
  text-align: center;
}

.preview-modal { width: min(95vw, 1000px); max-width: 1000px; }
.preview-modal iframe { width: 100%; height: 65vh; border: 0; }
.preview-modal img { display: block; max-width: 100%; max-height: 65vh; margin: auto; object-fit: contain; }
textarea { width: 100%; min-height: 5rem; padding: .75rem; border: 1px solid #d1d5db; border-radius: .5rem; font: inherit; }
button:disabled { cursor: not-allowed; opacity: .5; }

.preview-modal canvas { display: block; max-width: 100%; max-height: 65vh; margin: auto; }

/* Shared checkout layout */
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 2rem; align-items: start; }
.documents-panel, .shipping-panel, .address-panel, .payment-panel, .summary-panel { background: var(--card-solid); border: 1px solid var(--border-subtle); border-radius: 1rem; padding: 1.5rem; }
.panel-title { font-size: 1.25rem; margin-bottom: 1.25rem; }
.document-card { border: 1px solid var(--border); border-radius: .75rem; padding: 1.25rem; margin-bottom: 1rem; }
.document-header { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.document-name { font-weight: 600; overflow-wrap: anywhere; }
.document-meta { color: var(--text-secondary); font-size: .875rem; margin-top: .3rem; }
.document-cost { font-weight: 600; white-space: nowrap; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.full-width { grid-column: 1 / -1; }
.radio-group { display: flex; flex-wrap: wrap; gap: 1rem; }
.radio-option { display: flex; gap: .4rem; align-items: center; }
.radio-option label { margin: 0; }
input[type="number"], input[type="tel"], input:not([type]) { width: 100%; padding: .75rem; border: 1px solid var(--border); border-radius: .5rem; font: inherit; }
input, select, textarea { background: var(--card-solid); color: var(--text); }
input[type="radio"] { accent-color: var(--primary); }
.btn-secondary { background: var(--card-background); border: 1px solid var(--border); color: var(--text); }
.link-button { background: transparent; color: var(--primary); border: 0; text-decoration: underline; cursor: pointer; padding: .5rem; font: inherit; }
.summary-panel > .btn { display: block; width: 100%; margin-top: 1rem; }
.summary-section { padding: 1rem 0; border-bottom: 1px solid var(--border-subtle); }
.summary-row { display: flex; justify-content: space-between; gap: 1rem; margin: .75rem 0; }
.summary-label { color: var(--text-secondary); }
.summary-row.total { font-size: 1.15rem; font-weight: 600; padding-top: .75rem; border-top: 1px solid var(--border); }
.progress-steps { display: flex; align-items: center; justify-content: center; gap: 2rem; margin-bottom: 2rem; }
.step { display: flex; align-items: center; gap: .5rem; color: var(--text-secondary); }
.step-number { border: 1px solid var(--border); border-radius: 50%; width: 2rem; height: 2rem; display: grid; place-items: center; }
.step.active, .step.completed { color: var(--primary); }
.step.active .step-number, .step.completed .step-number { background: var(--primary); color: white; }
.modal-overlay { position: fixed; inset: 0; z-index: 100; background: var(--overlay-background); display: flex; align-items: center; justify-content: center; padding: 1rem; }
.modal-content { background: var(--card-solid); color: var(--text); border-radius: 1rem; padding: 1.5rem; max-height: 95vh; overflow-y: auto; width: min(100%, 520px); }
.modal-content.preview-modal { width: min(100%, 1000px); }
.modal-title { margin-bottom: 1rem; }
.modal-hint { color: var(--text-secondary); margin-bottom: 1rem; }
.modal-actions { display: flex; gap: 1rem; margin-top: 1rem; }
.preview-modal .btn { margin-top: .75rem; }
.preview-modal canvas, .preview-modal img { margin: 1rem auto; }
.shipping-option { cursor: pointer; border: 1px solid var(--border); padding: 1rem; border-radius: .75rem; margin-bottom: 1rem; }
.shipping-option.selected { border-color: var(--primary); background: var(--card-background); }
.shipping-option-header { display: flex; justify-content: space-between; gap: 1rem; }
.shipping-option-meta, .shipping-option-description { color: var(--text-secondary); margin-top: .5rem; }
@media (max-width: 800px) {
  .container { padding: 1rem; }
  .content-grid { grid-template-columns: minmax(0, 1fr); gap: 1rem; }
  .progress-steps { gap: .75rem; font-size: .8rem; }
  .step { flex-direction: column; }
  .form-grid { grid-template-columns: minmax(0, 1fr); }
  nav { padding: 1rem; flex-wrap: wrap; gap: 1rem; }
  .nav-links { gap: 1rem; font-size: .875rem; }
}

.form-row { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 1rem; }
.main-panel > .section { background: var(--card-solid); border: 1px solid var(--border-subtle); border-radius: 1rem; padding: 1.5rem; margin-bottom: 1rem; }
.shipping-header { display: flex; justify-content: space-between; gap: 1rem; font-weight: 600; }
.shipping-details { color: var(--text-secondary); margin-top: .5rem; font-size: .875rem; }
@media (max-width: 600px) { .form-row { grid-template-columns: minmax(0, 1fr); } }

.test-mode-notice { padding: .75rem; margin-bottom: 1rem; border: 1px solid var(--primary); border-radius: .5rem; background: var(--accent-tint); color: var(--primary); line-height: 1.5; }