.sidebar {
    min-height: 100vh;
    background-color: #2c3e50;
    color: white;
}
.sidebar .nav-link {
    color: rgba(255,255,255,.8);
    padding: 1rem;
}
.sidebar .nav-link:hover {
    color: white;
    background-color: rgba(255,255,255,.1);
}
.sidebar .nav-link.active {
    background-color: rgba(255,255,255,.2);
    color: white;
}
.main-content {
    padding: 2rem;
}
.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
}

/* Navbar Styles */
.navbar {
    background: linear-gradient(to right, #2c3e50, #3498db) !important;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand img {
    height: 50px;
    margin-right: 10px;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus,
.navbar-dark .navbar-nav .nav-link.active {
    color: #fff;
}

.navbar-dark .navbar-nav .nav-link.active {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
}

.navbar-dark .navbar-brand,
.navbar-dark .navbar-brand:hover,
.navbar-dark .navbar-brand:focus {
    color: #fff;
}

.navbar-dark .nav-link i {
    margin-right: 5px;
}

/* Warehouse sub-nav (not in top navbar — must not inherit white nav-link styles) */
.warehouse-nav .nav-link {
    color: #495057;
}

.warehouse-nav .nav-link.active {
    color: #fff;
    background-color: #0d6efd;
}

/* Home Page Styles */
.hero-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 15px;
    padding: 3rem 0;
    margin-top: 2rem;
}

.card {
    border: none;
    border-radius: 15px;
}

/* Hover lift only on warehouse hub cards — not on every .card */
/* No transform on cards — Chromium hides miscolored caret until hover/click repaints */
.warehouse-card {
    transition: box-shadow 0.2s ease;
}

.warehouse-card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.12);
}

.hero-section .card {
    transition: box-shadow 0.2s ease;
}

.hero-section .card:hover {
    box-shadow: 0 0.5rem 1.25rem rgba(0, 0, 0, 0.1);
}

.fa-3x {
    color: #3498db;
}

h1, .lead {
    color: #2c3e50;
}

.card-title {
    color: #2c3e50;
    font-weight: 600;
}

h6 {
    color: #34495e;
    font-weight: 600;
    margin-top: 1rem;
}

p {
    color: #7f8c8d;
}

.login-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(33, 37, 41, 0.55);
    pointer-events: auto;
}

.login-modal {
    background: #fff;
    border-radius: 12px;
    padding: 2rem;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.2);
}