:root {
  --bg-primary: #09090b;
  --bg-secondary: #18181b;
  --bg-elevated: #27272a;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 100%);
  --border: #3f3f46;
  --success: #22c55e;
  --radius-lg: 16px;
  --radius-md: 8px;
  --shadow: 0 10px 40px -10px rgba(0,0,0,0.4);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Header */
  10 │ header {
  11 │   display: flex;
  12 │   justify-content: space-between;
  13 │   align-items: center;
  14 │   margin: 2rem 0;
  15 │   padding: 1.5rem;
  16 │   background: var(--bg-secondary);
  17 │   border-radius: var(--radius-lg);
  18 │   border: 1px solid var(--border);
  19 │ }

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

.brand-logo {
  width: 40px;
  height: 40px;
  background: var(--accent-gradient);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: white;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
}

@media (max-width: 992px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* Card */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.25rem;
}

label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus {
  border-color: var(--accent);
}

/* Upload Area */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 1.5rem;
}

.upload-zone:hover {
  border-color: var(--accent);
  background: rgba(139, 92, 246, 0.05);
}

.upload-icon {
  margin-bottom: 1rem;
  color: var(--text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
  font-size: 0.95rem;
}

 169 │ .btn-primary {
 170 │   background: var(--accent-gradient);
 171 │   color: white;
 172 │   box-shadow: 0 4px 14px rgba(6, 182, 212, 0.3);
 173 │   width: 100%;
 174 │   padding: 1rem;
 175 │   font-size: 1rem;
 176 │   text-transform: uppercase;
 177 │   letter-spacing: 0.05em;
 178 │ }

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.4);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.btn-outline:hover {
  background: var(--bg-elevated);
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Search Box */
.search-wrapper {
  position: relative;
  margin-bottom: 1.5rem;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-input {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  color: var(--text-primary);
  outline: none;
}

/* Table Styles */
.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: left;
  padding: 1rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.badge {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-pdf { background: rgba(239, 68, 68, 0.2); color: #ef4444; }
.badge-img { background: rgba(59, 130, 246, 0.2); color: #3b82f6; }

/* Preview Modal Placeholder Styles */
.preview-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  visibility: hidden;
  opacity: 0;
}

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

.preview-content {
  background: var(--bg-secondary);
  width: 90%;
  max-width: 800px;
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
}

.close-preview {
  position: absolute;
  top: 1rem;
  right: 1rem;
  cursor: pointer;
  color: var(--text-muted);
}

.placeholder-image {
  width: 100%;
  height: 300px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.placeholder-icon {
  width: 48px;
  height: 48px;
  color: var(--text-muted);
}