:root {
    --text: #bbbbbb;
    --textbright: #ffffff;
    --bg: #404040;
    --grey1: #999999;
    --grey2: #7c7c7c;
    --blue1: #303030;
    --blue2: #343434;
    --blue3: #2882e9;
}

*{
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body{
    padding: 0;
    margin: 0;
    background-color: var(--bg);
    color: var(--text);
}

nav {
    background-color: var(--blue1);
    color: var(--text);
    padding: 1rem 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.nav-brand { /*RIMUOVERE*/
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    color: #fff;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.nav-links a:hover {
    background-color: var(--blue2);
}

.container {
    margin: 2rem auto;
    padding: 0 20px;
}

.hero {
    text-align: center;
    padding: 4rem 0;
    background-color: var(--blue1);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.hero h1 {
    margin-bottom: 1rem;
    color: var(--text);
}

.hero p {
    font-size: 1.2rem;
    color: var(--grey1);
    margin-bottom: 1rem;
}

.form-container {
    max-width: 400px;
    margin: 2rem auto;
    background-color: var(--blue1);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.form-container h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--grey2);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: bold;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="submit"],
.form-group input[type="button"],
.diagram-cnt-input button {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--text);
    border-radius: 4px;
    font-size: 1rem;
    background-color: var(--grey1);
    color: var(--bg);
}

.form-group input[type="submit"],
.form-group input[type="button"],
.diagram-cnt-input button {
    font-weight: bold;
}


.form-group input[type="submit"]:hover,
.form-group input[type="button"]:hover,
.diagram-cnt-input button:hover {
    background-color: var(--grey2);
}

.form-group input[type="submit"]:active,
.form-group input[type="button"]:active,
.diagram-cnt-input button:active {
    background-color: var(--grey1);
}

.form-group input[type="checkbox"] {
    margin-right: 0.5rem;
}

button{
    cursor: pointer;
    font-size: 1rem;
    text-decoration: none;
    transition: background-color 0.3s;
    border: none;
    background-color: var(--blue1);
    color: var(--text);
    display: inline-block;
}

button:hover{
    background-color: var(--blue2);
}

input{
    font-size: 1rem;
    text-decoration: none;
    background-color: var(--blue1);
    color: var(--text);
    display: inline-block;
    border-radius: 2px;
    border: 1px solid var(--blue1);
}


.btn-primary {
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
}

.alert {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    text-align: center;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

footer {
    text-align: center;
    padding: 1rem 0;
    background-color: var(--blue1);
    color: var(--grey1);
    margin-top: 2rem;
}


.dashboard {
    text-align: center;
    margin-bottom: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.readingw{
    max-width: 900px;
    margin: 0 auto;
}

.dashboard-title {
    text-align: left;
    color: var(--grey1);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 400px));
    gap: 2rem;
}

.card-grid-wide{
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card {
    padding: 5px;
    border-radius: 8px;
    border: none;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.3s;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    background-color: var(--blue1);
    color: var(--text);
}

.card-highlight{
    color: var(--textbright);
    background-color: var(--blue3);
}

.card:hover{
    background-color: var(--blue2);
}

.content{
    max-width: 1000px;
    text-align: left;
}

table{
    border-collapse: collapse;
}

td, th{
    padding: 0.2rem 0.5rem;
    border: 1px solid var(--grey2);

}

.diagram-cnt{
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: flex-start;
    align-items: flex-start;
}

.diagram-cnt-input{
    margin-inline-start: 20px;
    padding: 0 5px;
    flex: 0 1 650px;
}

.diagram-cnt-output{
    flex: 1 0 900px;
}

.diagram-jsoninput{
    font-family: monospace;
    padding: 10px 20px;
    border: 2px solid var(--grey1);
    border-radius: 10px;
    resize: vertical;
    width: 100%;
    background-color: var(--bg);
    color: var(--textbright);
}

.diagram-svg-output-preview > *{
    background-color: white;
    max-width: 100%;
    height: auto;
}

.diagram-cnt button{
    width: unset;
    position: relative;
    margin-left: auto;
}