:root {
  --color-primary: #1b75bc;
  --color-secondary: #f0f4f8;
  --color-border: #d8dde6;
  --color-text: #1d2a39;
  --color-muted: #5b6773;
  --color-danger: #d64545;
  --shadow: 0 12px 32px rgba(24, 39, 75, 0.08);
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f8fafc;
  color: var(--color-text);
}

body.auth-guard {
  position: relative;
}

.auth-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
  color: var(--color-muted);
  font-weight: 600;
  letter-spacing: 0.02em;
  z-index: 2000;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.auth-overlay__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}

.auth-overlay__spinner {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 0.35rem solid rgba(27, 117, 188, 0.15);
  border-top-color: var(--color-primary);
  animation: spin 1s linear infinite;
}

body.auth-guard.auth-success .auth-overlay {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration: none;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem clamp(1rem, 2vw, 3rem);
  background: white;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-header h1 {
  margin: 0 0 0.25rem;
  font-size: clamp(1.5rem, 2vw + 1rem, 2.5rem);
}

.app-header p {
  margin: 0;
  color: var(--color-muted);
}

.app-nav {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.app-nav a {
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  font-weight: 600;
  color: var(--color-muted);
}

.app-nav a:hover,
.app-nav a.active {
  color: var(--color-primary);
  background: rgba(27, 117, 188, 0.1);
}

.app-nav a.hidden {
  display: none;
}

.user-indicator {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-weight: 600;
}

.layout {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(420px, 1fr);
  gap: 2rem;
  padding: clamp(1.5rem, 2vw + 1rem, 3rem);
  align-items: start;
}

.layout.single {
  grid-template-columns: minmax(320px, 640px);
  justify-content: center;
}

.list-panel {
  background: white;
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: clamp(1.5rem, 2vw + 1rem, 2.5rem);
  display: grid;
  gap: 1.5rem;
}

.table-wrapper {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
}

.data-table th,
.data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.data-table th {
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.empty-state {
  text-align: center;
  color: var(--color-muted);
  margin-top: 1rem;
}

.list-actions {
  display: flex;
  justify-content: flex-end;
}

.grid-2 {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.permissions-fieldset {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  display: grid;
  gap: 0.5rem;
}

.permissions-fieldset legend {
  font-weight: 600;
  padding: 0 0.5rem;
}

.user-management-hint {
  margin: 0;
  color: var(--color-muted);
}

.permissions-grid {
  display: grid;
  gap: 0.35rem;
}

.permission-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.auth-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, rgba(27, 117, 188, 0.1), rgba(255, 255, 255, 0.8));
  padding: 2rem;
}

.auth-card {
  background: white;
  padding: clamp(2rem, 4vw, 3rem);
  border-radius: 20px;
  box-shadow: var(--shadow);
  max-width: 400px;
  width: 100%;
  display: grid;
  gap: 1.5rem;
  text-align: center;
}

.auth-card h1 {
  margin: 0;
}

.auth-card .button {
  width: 100%;
}

.auth-hint {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.print-root {
  position: absolute;
  top: -10000px;
  left: -10000px;
}

.form-panel,
.preview-panel {
  background: white;
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: clamp(1.5rem, 2vw + 1rem, 2.5rem);
}

.form-panel h2,
.preview-panel h2 {
  margin-top: 0;
}

.stack {
  display: grid;
  gap: 1rem;
}

.stack.inline {
  align-items: start;
}

label {
  font-weight: 600;
  display: grid;
  gap: 0.4rem;
  font-size: 0.95rem;
}

input[type="text"],
input[type="number"],
input[type="date"],
input[type="email"],
textarea {
  font: inherit;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: #fff;
  resize: vertical;
}

textarea {
  min-height: 140px;
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(27, 117, 188, 0.2);
  border-color: var(--color-primary);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  border: none;
  background: var(--color-primary);
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(27, 117, 188, 0.18);
}

.button.secondary {
  background: var(--color-secondary);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

.button.danger {
  background: rgba(214, 69, 69, 0.1);
  color: #9c1e1e;
  border: 1px solid rgba(214, 69, 69, 0.2);
}

.button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

.button.small {
  padding: 0.45rem 0.75rem;
  font-size: 0.85rem;
  border-radius: 12px;
}

.file-input input[type="file"] {
  padding: 0.5rem 0;
}

.preview-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.action-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-end;
}

.offer-document {
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  padding: 2rem;
  color: var(--color-text);
  display: grid;
  gap: 2rem;
}

.document-header {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 2px solid var(--color-secondary);
  padding-bottom: 1.5rem;
}

.company-logo {
  width: 160px;
  height: 120px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  border: 1px dashed var(--color-border);
  border-radius: 12px;
}

.company-info h3 {
  margin: 0 0 0.5rem;
}

.company-info p {
  margin: 0.25rem 0;
  white-space: pre-line;
}

.document-meta {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
}

.customer-address {
  margin: 0;
  font-family: inherit;
  white-space: pre-line;
  font-size: 1rem;
}

.meta-details {
  align-self: flex-start;
  display: grid;
  gap: 0.35rem;
  font-size: 0.95rem;
}

.meta-details span:first-child {
  font-weight: 600;
  color: var(--color-muted);
  margin-right: 0.5rem;
}

.document-body h2 {
  margin-top: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.intro-text {
  line-height: 1.6;
  white-space: pre-line;
}

.positions {
  display: grid;
  gap: 1.5rem;
}

.position {
  display: flex;
  gap: 2rem;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.5rem;
  align-items: stretch;
  cursor: grab;
  transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.position.dragging {
  opacity: 0.75;
  cursor: grabbing;
  box-shadow: 0 20px 40px rgba(24, 39, 75, 0.12);
  transform: scale(1.01);
}

.position.drag-over {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27, 117, 188, 0.2);
}

.position-main {
  flex: 2;
  display: grid;
  gap: 1rem;
}

.position-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: underline;
}

.position-features {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.35rem;
}

.position-price {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.position-media {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.position-media img {
  max-width: 100%;
  max-height: 160px;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  padding: 0.5rem;
  background: #fff;
}

.document-total {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 2px solid var(--color-secondary);
  text-align: right;
  font-size: 1.1rem;
  font-weight: 600;
}

.document-agb {
  padding-top: 1rem;
  border-top: 2px solid var(--color-secondary);
}

.document-agb h2 {
  margin-top: 0;
}

.document-agb p {
  line-height: 1.6;
}

.logo-preview {
  border: 1px dashed var(--color-border);
  border-radius: 12px;
  padding: 1rem;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  text-align: center;
  color: var(--color-muted);
}

.logo-preview img {
  max-width: 100%;
  max-height: 140px;
  object-fit: contain;
}

.form-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.page-break {
  page-break-before: always;
  break-before: page;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .position {
    flex-direction: column;
  }

  .position-media {
    justify-content: flex-start;
  }
}

@media print {
  body {
    background: white;
  }

  .app-header,
  .preview-actions {
    display: none;
  }

  .offer-document {
    border: none;
    box-shadow: none;
    padding: 0;
  }
}