:root {
    --bg-img: url('/images/background.png');
    /* brand colors */
    --color-primary-400: #05c78b;
    --color-primary-500: #34a694;
    --color-primary-700: #05453a;

    /* dark neutrals */
    --color-dark-900: #030e0d;

    /* white */
    --color-white: #ffffff;

    --logo-height: 170px;

    --primary-color: var(--color-primary-700);
    --secondary-color: var(--color-primary-500);
    --accent-color: var(--color-primary-400);
}
    .wrapper {
    display: flex;
    width: 100%;
    align-items: stretch;
}

#sidebar {
    min-width: 250px;
    max-width: 250px;
    background: var(--color-primary-700);
    color: #fff;
    transition: all 0.3s;
}

#sidebar.active {
    margin-left: -250px;
}

#sidebar .sidebar-header {
    padding: 20px;
    background: var(--color-primary-700);
}

#sidebar ul.components {
    padding: 20px 0;
}

#sidebar ul li a {
    padding: 10px;
    font-size: 1.1em;
    display: block;
    color: #fff;
    text-decoration: none;
}

#sidebar ul li a:hover {
    color: var(--color-primary-400);
    background: #fff;
}

#content {
    width: 100%;
    padding: 20px;
    min-height: 100vh;
    transition: all 0.3s;
}

.navbar {
    border-radius: 10px;
    padding: 15px 10px;
    background: #fff;
    border: none;
    margin-bottom: 40px;
    box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.1);
}

#sidebarCollapse {
    background: var(--color-primary-700);
    border: none;
}

#sidebarCollapse:hover {
    background: #2c3136;
}

@media (max-width: 768px) {
    #sidebar {
        margin-left: -250px;
    }

    #sidebar.active {
        margin-left: 0;
    }
}

td {
    color: #666 !important;
    font-size: 0.9rem;
    font-weight: 500;
}

.col-form-label, .form-select {
    color: #666 !important;
    font-size: 0.9rem;
    font-weight: 500;
}

/* View */
.btn-view {
    background: var(--color-primary-400);
}
.btn-view:hover {
    background: var(--color-primary-500);
}

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

.btn-primary:hover {
    background-color: var(--color-primary-500);
    border-color: var(--color-primary-700);
}

/* Approve */
.btn-approve {
    background: #57DAC5FF;
    color: white !important;
}
.btn-approve:hover {
    background: var(--color-primary-500);
}

/* Reject */
.btn-reject {
    background: #e74c3c;
}
.btn-reject:hover {
    background: #c0392b;
}

select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s, box-shadow 0.3s;
    background-color: white;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

select:focus {
    border-color: #667eea;
    box-shadow: 0 0 4px rgba(102, 126, 234, 0.4);
    outline: none;
}