/* BioSpark Admin Styles */
:root {
    --primary-color: #10b981;
    --primary-hover: #059669;
    --sidebar-bg: #111827;
    --sidebar-color: #9ca3af;
    --sidebar-active: #ffffff;
    --content-bg: #f9fafb;
    --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --transition-speed: 0.3s;
}

/* Dark Mode Variables */
[data-bs-theme="dark"] {
    --content-bg: #0f172a;
    --card-bg: #1e293b;
    --sidebar-bg: #020617;
    --text-color: #f1f5f9;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--content-bg);
    color: #1f2937;
    transition: background-color var(--transition-speed);
}

[data-bs-theme="dark"] body {
    color: var(--text-color);
}

/* Sidebar Styling */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 260px;
    background-color: var(--sidebar-bg);
    z-index: 1040;
    transition: transform var(--transition-speed);
    overflow-y: auto;
}

.sidebar-nav .nav-link {
    color: var(--sidebar-color);
    padding: 0.8rem 1.2rem;
    font-weight: 500;
    transition: all 0.2s;
    margin-bottom: 0.25rem;
}

.sidebar-nav .nav-link:hover {
    color: var(--sidebar-active);
    background: rgba(255, 255, 255, 0.05);
}

.sidebar-nav .nav-link.active {
    background-color: var(--primary-color) !important;
    color: white !important;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

/* Main Wrapper */
.main-wrapper {
    margin-left: 260px;
    min-height: 100vh;
    transition: margin var(--transition-speed);
}

/* Layout Adjustments for Mobile */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-260px);
    }
    .main-wrapper {
        margin-left: 0;
    }
    .sidebar.show {
        transform: translateX(0);
    }
}

/* Navbar */
.navbar {
    z-index: 1030;
    backdrop-filter: blur(8px);
    background-color: rgba(255, 255, 255, 0.9) !important;
}

[data-bs-theme="dark"] .navbar {
    background-color: rgba(30, 41, 59, 0.9) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Cards & Components */
.card {
    border-radius: 12px;
    border: none;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

.stats-card .icon-box {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

/* Buttons */
.btn-success {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

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

/* Table Design */
.table {
    vertical-align: middle;
}

.table thead th {
    background-color: #f8fafc;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.025em;
    color: #64748b;
}

[data-bs-theme="dark"] .table thead th {
    background-color: #1e293b;
    color: #94a3b8;
}

.item-img {
    width: 45px;
    height: 45px;
    border-radius: 8px;
    object-fit: cover;
}

/* Image Upload */
.border-dashed {
    border: 2px dashed #e2e8f0;
    cursor: pointer;
    transition: border-color 0.2s;
}

.border-dashed:hover {
    border-color: var(--primary-color);
}

.cursor-pointer {
    cursor: pointer;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.4s ease-in-out;
}

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

/* Dark Mode Overrides */
[data-bs-theme="dark"] .card {
    background-color: var(--card-bg);
}

[data-bs-theme="dark"] .input-group-text, 
[data-bs-theme="dark"] .form-control {
    background-color: #1e293b;
    border-color: #334155;
    color: #f1f5f9;
}

[data-bs-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

[data-bs-theme="dark"] .text-muted {
    color: #94a3b8 !important;
}

/* Utility */
.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    color: #64748b;
}

.btn-icon:hover {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--primary-color);
}
.text-nowrap .btn {
    margin-bottom: 0 !important;
}

.table th, .table td {
    border-bottom: 1px solid rgba(0,0,0,0.05);
}