:root {
    --bg: #111827;
    --panel: #1f2937;
    --panel-hover: #2a2f3a;
    --border: #374151;

    --text: #f3f4f6;
    --muted: #9ca3af;

    --purple: #9575cd;
    --green: #81c784;
    --blue: #64b5f6;
    --orange: #ffb74d;
    --red: #e57373;
    --teal: #4db6ac;
}

/* RESET */

* {
    box-sizing: border-box;
}

/* BASE */

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        Helvetica,
        Arial,
        sans-serif;
    font-size: 14px;
}

/* LAYOUT */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow {
    max-width: 520px;
}

main {
    padding: 42px 0 60px;
}

/* HEADER */

header {
    padding: 24px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
}

header h1 {
    margin: 0;
    font-size: 26px;
    font-weight: 600;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* TYPOGRAPHY */

h2 {
    margin: 0 0 8px;
    font-size: 20px;
}

.description {
    margin: 0 0 24px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.5;
}

/* CARDS */

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 24px;
}

/* FORMS */

label {
    display: block;
    margin: 16px 0 7px;
    color: var(--muted);
    font-size: 13px;
}

input {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
}

input:focus {
    outline: none;
    border-color: var(--purple);
}

button {
    margin-top: 22px;
    padding: 10px 15px;
    border: 0;
    border-radius: 6px;
    background: var(--purple);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
}

button:hover {
    opacity: 0.9;
}

/* LINKS */

.back {
    display: inline-block;
    margin-top: 18px;
    color: var(--muted);
    text-decoration: none;
    font-size: 13px;
}

.back:hover {
    color: var(--text);
}

.password-link {
    color: var(--muted);
    text-decoration: none;
    font-size: 13px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: background 0.15s ease, color 0.15s ease;
}

.password-link:hover {
    background: var(--border);
    color: var(--text);
}

/* STATES */

.error {
    margin-top: 16px;
    color: var(--red);
    font-size: 13px;
}

.success {
    color: var(--green);
}

.status {
    color: var(--green);
}

/* FOOTER */

footer {
    padding: 22px 0 28px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 11px;
}

.footer {
    display: flex;
    justify-content: space-between;
}

/* LANDING HEADER */

.header {
    display: block;
}
.header-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-link {
    color: var(--muted);
    text-decoration: none;
    font-size: 13px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    transition:
        background 0.15s ease,
        color 0.15s ease;
}

.header-link:hover {
    background: var(--border);
    color: var(--text);
}

.logo {
    margin: 0;
    font-size: 26px;
    font-weight: 600;
    letter-spacing: 0;
}

.logo-link {
    color: inherit;
    text-decoration: none;
}

/* LANDING INTRO */

.intro {
    margin-bottom: 30px;
}

.intro-label {
    margin-bottom: 8px;
    color: var(--purple);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.intro h1 {
    margin: 0;
    font-size: 32px;
    line-height: 1.2;
    font-weight: 600;
}

.intro p {
    max-width: 650px;
    margin: 10px 0 0;
    color: var(--muted);
    line-height: 1.6;
}

/* LANDING SECTIONS */

.section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 12px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.section-title::before {
    content: "";
    width: 3px;
    height: 14px;
    border-radius: 2px;
    background: var(--purple);
}

/* LANDING CARDS */

.cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-bottom: 32px;
}

.cards .card {
    display: block;
    position: relative;
    padding: 22px;
    color: var(--text);
    text-decoration: none;
    transition:
        background 0.15s ease,
        border-color 0.15s ease;
}

.cards .card:hover {
    background: var(--panel-hover);
    border-color: #555e70;
}

.card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
}

.card-number {
    color: var(--muted);
    font-size: 11px;
    font-weight: 600;
}

.card-mark {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background: #2a2f3a;
    font-size: 13px;
    font-weight: 600;
}

.fuel .card-mark {
    color: var(--green);
}

.dashboard .card-mark {
    color: var(--purple);
}

.cards .card h2 {
    margin: 0 0 7px;
    font-size: 17px;
    font-weight: 600;
}

.cards .card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
}

.card-link {
    display: inline-block;
    margin-top: 20px;
    font-size: 12px;
    font-weight: 500;
}

.fuel .card-link {
    color: var(--green);
}

.dashboard .card-link {
    color: var(--purple);
}

/* LANDING INFO */

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.info {
    padding: 18px 20px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.info-label {
    margin-bottom: 9px;
    color: var(--muted);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.info-value {
    font-size: 13px;
    line-height: 1.5;
}

/* RESPONSIVE */

@media (max-width: 700px) {
    .container {
        width: calc(100% - 24px);
    }

    main {
        padding-top: 30px;
    }

    .footer {
        flex-direction: column;
        gap: 6px;
    }

    .cards {
        grid-template-columns: 1fr;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    /* Navigazione adattiva per schermi piccoli */
    .header-inner {
        flex-wrap: wrap;
        gap: 10px;
    }

    .header-links {
        flex-wrap: wrap;
        justify-content: flex-end;
        gap: 6px;
        min-width: 0;
        max-width: 100%;
    }

    .header-link {
        padding: 6px 8px;
        font-size: 12px;
    }
}