:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --background-color: #f5f7fa;
    --text-color: #2c3e50;
    --border-color: #bdc3c7;
    --container-bg: #ffffff;
    --hover-color: #2980b9;
    --button-hover: #27ae60;
    --list-bg: #ecf0f1;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --supplier-color: #00008B;
}

.dark-mode {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --background-color: #000000;
    --text-color: #ffffff;
    --border-color: #333333;
    --container-bg: #111111;
    --hover-color: #2980b9;
    --button-hover: #27ae60;
    --list-bg: #222222;
    --shadow-color: rgba(255, 255, 255, 0.1);
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --supplier-color: #4DA6FF;
}

body {
    font-family: 'Roboto', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: all 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 40px auto;
    background-color: var(--container-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 15px var(--shadow-color);
}

h1, h2, h3 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 30px;
    font-weight: 300;
    letter-spacing: 1px;
}

.menu {
    display: flex;
    justify-content: space-around;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.menu-item {
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: #ffffff;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    margin: 5px;
    flex-grow: 1;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    box-shadow: 0 2px 5px var(--shadow-color);
}

.menu-item:hover {
    background-color: var(--hover-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow-color);
}

.content {
    border: 2px solid var(--border-color);
    padding: 30px;
    border-radius: 8px;
    background-color: var(--container-bg);
    box-shadow: 0 2px 10px var(--shadow-color);
}

/* Adicione aqui o resto dos estilos do seu arquivo original */

.theme-switch-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.theme-switch {
    display: inline-block;
    height: 34px;
    position: relative;
    width: 60px;
}

.theme-switch input {
    display: none;
}

.slider {
    background-color: #ccc;
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
}

.slider:before {
    background-color: #fff;
    bottom: 4px;
    content: "";
    height: 26px;
    left: 4px;
    position: absolute;
    transition: .4s;
    width: 26px;
}

input:checked + .slider {
    background-color: #66bb6a;
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}