/* Whatnot WMS Web – Styles */

:root {
  --color-bg: #f5f7fa;
  --color-surface: #fff;
  --color-primary: #1e5a8e;
  --color-primary-hover: #164770;
  --color-primary-light: #e8f1f8;
  --color-secondary: #5a6c7d;
  --color-border: #dce2e8;
  --color-success: #0d8050;
  --color-error: #c23030;
  --color-text: #1a2332;
  --color-text-muted: #5a6c7d;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(30, 90, 142, 0.08);
  --shadow-hover: 0 8px 28px rgba(30, 90, 142, 0.12);
  --transition: 0.2s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem 1.5rem;
}

.header-inner {
  max-width: 640px;
  margin: 0 auto;
}

.logo {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.tagline {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.main {
  flex: 1;
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  width: 100%;
}

.upload-section {
  margin-bottom: 2rem;
}

.upload-zone {
  background: var(--color-surface);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 2.5rem 1.5rem;
  text-align: center;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  box-shadow: var(--shadow);
}

.upload-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231e5a8e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4'/%3E%3Cpolyline points='17 8 12 3 7 8'/%3E%3Cline x1='12' y1='3' x2='12' y2='15'/%3E%3C/svg%3E") center/contain no-repeat;
}

.upload-text-primary {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
}

.upload-text-secondary {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.upload-hint {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font: inherit;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background var(--transition), transform 0.1s ease;
}

.btn:active {
  transform: scale(0.98);
}

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

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

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  margin-top: 1rem;
}

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

.btn-download {
  text-decoration: none;
  color: #fff;
}

.btn-download .btn-icon {
  width: 1.1em;
  height: 1.1em;
  background: currentColor;
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
}

.btn-zip {
  background: var(--color-primary);
  font-weight: 700;
}

.btn-zip .btn-icon {
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M21 16v-2l-4-4H5a2 2 0 0 0-2 2v6a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2z'/%3E%3Cpath d='M3 8h16l-4-4H5a2 2 0 0 0-2 2v2'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M21 16v-2l-4-4H5a2 2 0 0 0-2 2v6a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2z'/%3E%3Cpath d='M3 8h16l-4-4H5a2 2 0 0 0-2 2v2'/%3E%3C/svg%3E");
}

.btn-excel {
  background: var(--color-success);
}

.btn-excel .btn-icon {
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Crect x='3' y='3' width='18' height='18' rx='2'/%3E%3Cpath d='M3 9h18M9 21V9'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Crect x='3' y='3' width='18' height='18' rx='2'/%3E%3Cpath d='M3 9h18M9 21V9'/%3E%3C/svg%3E");
}

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

.btn-pdf .btn-icon {
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z'/%3E%3Cpolyline points='14 2 14 8 20 8'/%3E%3Cline x1='16' y1='13' x2='8' y2='13'/%3E%3Cline x1='16' y1='17' x2='8' y2='17'/%3E%3Cline x1='10' y1='9' x2='8' y2='9'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z'/%3E%3Cpolyline points='14 2 14 8 20 8'/%3E%3Cline x1='16' y1='13' x2='8' y2='13'/%3E%3Cline x1='16' y1='17' x2='8' y2='17'/%3E%3Cline x1='10' y1='9' x2='8' y2='9'/%3E%3C/svg%3E");
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.btn-zip {
  min-width: 200px;
  font-size: 1.05rem;
  padding: 0.85rem 1.5rem;
}

.processing-section {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow);
}

.processing-status {
  text-align: center;
}

.spinner {
  width: 40px;
  height: 40px;
  margin: 0 auto 1rem;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.processing-text {
  margin: 0 0 1rem;
  font-weight: 500;
  color: var(--color-text);
}

.progress-bar {
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 30%;
  background: var(--color-primary);
  border-radius: 3px;
  animation: progress-pulse 1.2s ease-in-out infinite;
}

@keyframes progress-pulse {
  0%, 100% { width: 30%; }
  50% { width: 70%; }
}

.results-section {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow);
  text-align: center;
}

.results-title {
  margin: 0 0 1.25rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
}

.download-description {
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.error-section {
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}

.error-message {
  margin: 0 0 1rem;
  color: var(--color-error);
  font-weight: 500;
}

.footer {
  padding: 1rem 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.hidden {
  display: none !important;
}

@media (max-width: 480px) {
  .header-inner,
  .main {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .upload-zone {
    padding: 1.5rem 1rem;
  }

  .download-buttons {
    flex-direction: column;
  }

  .btn-download {
    width: 100%;
  }
}