/* =====================================================
   RESET & BASE
===================================================== */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Helvetica, Arial, sans-serif;
  background: #f4f6fb;
  color: #111827;
}

a {
  color: inherit;
}

/* =====================================================
   HEADER
===================================================== */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  height: 38px;
}

.app-title {
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-link {
  text-decoration: none;
  font-size: 14px;
  color: #374151;
}

/* =====================================================
   BUTTONS
===================================================== */
.primary-btn {
  background: #4f46e5;
  color: #ffffff;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
}

.primary-btn:hover {
  background: #4338ca;
}

.secondary-btn {
  background: #e5e7eb;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
}

.secondary-btn:hover {
  background: #d1d5db;
}

.danger-btn {
  background: #ef4444;
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
}

.danger-btn:hover {
  background: #dc2626;
}

/* =====================================================
   LAYOUT
===================================================== */
.container {
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 20px;
}

.page-header {
  margin-bottom: 12px;
}

.page-title {
  font-size: 22px;
  font-weight: 600;
  margin: 0;
}

.page-subtitle {
  font-size: 14px;
  color: #6b7280;
  margin-bottom: 16px;
}

/* =====================================================
   TOOLBAR
===================================================== */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  gap: 12px;
  flex-wrap: wrap;
}

.search-input {
  flex: 1;
  min-width: 220px;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #d1d5db;
  font-size: 14px;
}

.bulk-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.select-all {
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* =====================================================
   QR GRID & CARDS
===================================================== */
.qr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 20px;
}

.qr-card {
  background: #ffffff;
  border-radius: 14px;
  padding: 16px;
  display: flex;
  gap: 16px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
  position: relative;
}

.qr-check {
  position: absolute;
  top: 14px;
  right: 14px;
}

.qr-thumb {
  width: 90px;
  height: 90px;
  flex-shrink: 0;
}

.qr-thumb img {
  width: 100%;
  height: 100%;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
}

.qr-info {
  flex: 1;
}

.qr-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.qr-meta {
  font-size: 13px;
  color: #6b7280;
  line-height: 1.5;
}

.status {
  color: #10b981;
  font-weight: 500;
}

.qr-actions {
  margin-top: 10px;
  display: flex;
  gap: 10px;
}

.action-btn {
  background: #f3f4f6;
  border: 1px solid #e5e7eb;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
}

.action-btn:hover {
  background: #e5e7eb;
}

/* =====================================================
   MULTI-STEP CREATE FLOW
===================================================== */
.steps-indicator {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.step-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #e5e7eb;
  color: #374151;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
}

.step-dot.active {
  background: #4f46e5;
  color: white;
}

.step {
  display: none;
}

.step.active {
  display: block;
}

/* =====================================================
   TYPE GRID
===================================================== */
.type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.type-grid button {
  background: #ffffff;
  border-radius: 14px;
  padding: 20px;
  border: 1px solid #e5e7eb;
  font-size: 15px;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06);
}

.type-grid button:hover {
  border-color: #4f46e5;
}

/* =====================================================
   FORMS
===================================================== */
.form-card {
  background: #ffffff;
  border-radius: 14px;
  padding: 20px;
  max-width: 520px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

.form-card label {
  font-size: 13px;
  color: #374151;
  margin-bottom: 6px;
  display: block;
}

.form-card input[type="text"],
.form-card input[type="url"],
.form-card input[type="file"],
.form-card input[type="color"] {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #d1d5db;
  margin-bottom: 14px;
}

.color-row {
  display: flex;
  gap: 14px;
}

.color-row > div {
  flex: 1;
}

.form-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
}

/* =====================================================
   PREVIEW
===================================================== */
.preview-card {
  margin-top: 24px;
}

.preview-card img {
  max-width: 300px;
  display: block;
  margin-bottom: 12px;
}

/* =====================================================
   FOOTER
===================================================== */
.app-footer {
  text-align: center;
  padding: 20px;
  font-size: 13px;
  color: #6b7280;
}

/* =====================================================
   MOBILE
===================================================== */
@media (max-width: 768px) {
  .header-right {
    gap: 8px;
  }

  .nav-link {
    display: none;
  }

  .qr-grid {
    grid-template-columns: 1fr;
  }

  .color-row {
    flex-direction: column;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
}