/* Global Reset & Base Styles */
:root {
  --bg-color: #0f172a; /* Slate 900 */
  --card-bg: #1e293b; /* Slate 800 */
  --text-primary: #f8fafc; /* Slate 50 */
  --text-secondary: #94a3b8; /* Slate 400 */
  --accent-color: #3b82f6; /* Blue 500 */
  --accent-hover: #2563eb; /* Blue 600 */
  --border-color: #334155; /* Slate 700 */
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  background-image: 
    radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(139, 92, 246, 0.15) 0px, transparent 50%);
  background-attachment: fixed;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color); 
}
::-webkit-scrollbar-thumb {
  background: var(--border-color); 
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary); 
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.5s ease-out forwards;
}

/* Utility Classes for Glassmorphism */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Custom Table Styles */
.data-table-container {
  overflow-x: auto;
  border-radius: 0.5rem;
  border: 1px solid var(--border-color);
}

table {
  width: 100%;
  border-collapse: collapse;
  white-space: nowrap;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  background-color: rgba(15, 23, 42, 0.8);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: sticky;
  top: 0;
  z-index: 10;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.2s;
}

th:hover {
  background-color: var(--card-bg);
  color: var(--text-primary);
}

td {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

tr:hover td {
  color: var(--text-primary);
  background-color: rgba(59, 130, 246, 0.05);
}

/* Inputs & Buttons */
input[type="text"], input[type="file"] {
  background-color: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  transition: all 0.2s;
}

input[type="text"]:focus {
  border-color: var(--accent-color);
  outline: none;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  color: white;
  border: none;
  font-weight: 600;
  transition: transform 0.1s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}