@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');
@import url(https://fonts.googleapis.com/css?family=Montserrat:100,200,300,regular,500,600,700,800,900,100italic,200italic,300italic,italic,500italic,600italic,700italic,800italic,900italic);
@import url('https://fonts.googleapis.com/css2?family=Questrial&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Aguafina+Script&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Mrs+Saint+Delafield&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Waterfall&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Grey+Qo&display=swap');

/* ===== VARIABILI ===== */
:root {
  --bg-dark-gray-color:       #1a1a1a;
  --bg-mid-gray-color:        #222222;
  --bg-light-gray-color:      #2b2b2b;
  --bg-ultra-light-gray-color:#363636;
  --light-red-color:          #e74c3c;

  --light-blue-color:         #95a2b3;
  --white-color:              #f0f0f0;
  --green-color:              #29ba26;
  --border-red:               rgba(231, 76, 60, 0.25);
}

/* ===== RESET ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ===== BASE ===== */
body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-mid-gray-color);
    color: var(--white-color);
    font-family: "Montserrat", sans-serif;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ===== LOGIN OVERLAY ===== */
#login-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-dark-gray-color);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--white-color);
}

.logo-login {
    height: 250px;
    width: auto;
    margin-bottom: 16px;
    opacity: 0.95;
}

#login-overlay h2 {
    font-family: "Questrial", sans-serif;
    font-size: 1.4em;
    margin-bottom: 20px;
    color: var(--white-color);
}

#matricolaInput {
    padding: 10px 14px;
    margin: 8px 0;
    width: 260px;
    font-size: 15px;
    text-align: center;
    background: var(--bg-light-gray-color);
    color: var(--white-color);
    border: 1px solid var(--border-red);
    border-radius: 6px;
    outline: none;
}

#matricolaInput:focus {
    border-color: var(--light-red-color);
}

#loginBtn {
    padding: 10px 28px;
    font-size: 15px;
    background-color: var(--light-red-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    margin-top: 6px;
    transition: background 0.2s;
}

#loginBtn:hover {
    background-color: #c0392b;
}

#loginError {
    color: var(--light-red-color);
    margin-top: 10px;
    font-size: 0.85em;
    display: none;
}

/* ===== HEADER ===== */
header {
    background-color: var(--bg-dark-gray-color);
    padding: 7px 24px;
    border-bottom: 2px solid var(--light-red-color);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.25);
    flex-shrink: 0;
}

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

.header-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    pointer-events: none;
}

.logo-center {
    height: 64px;
    width: auto;
    opacity: 0.99;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-header {
    height: 60px;
    width: auto;
}

.header-brand-divider {
    color: var(--light-blue-color);
    font-size: 1.6em;
    font-weight: 200;
    line-height: 1;
}

.header-brand-title {
    font-family: "Questrial", sans-serif;
    font-size: 1.8em;
    color: var(--white-color);
    font-style: italic;
    font-weight: 300;
    letter-spacing: 1px;
    display: flex;
    align-items: baseline;
    gap: 8px;
    line-height: 1;
}

.firma {
    font-family: "Grey Qo", cursive;
    font-size: 1.8em;
    font-style: bold italic;
    font-weight: 400;
    letter-spacing: 2px;
    line-height: 1;
    color: var(--light-red-color);
}

.header-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.88em;
    color: var(--white-color);
}

.header-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.header-meta-icon {
    width: 16px;
    height: 16px;
    opacity: 0.75;
}

.header-meta-sep {
    color: var(--bg-ultra-light-gray-color);
    font-size: 1.2em;
}

.header-status {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--green-color);
    font-weight: 500;
}

/* ===== STATUS DOT ===== */
.status-dot {
    width: 9px;
    height: 9px;
    background-color: var(--green-color);
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.status-dot.pulse {
    animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
    0%   { box-shadow: 0 0 3px var(--green-color); opacity: 1; }
    50%  { box-shadow: 0 0 9px var(--green-color); opacity: 0.65; }
    100% { box-shadow: 0 0 3px var(--green-color); opacity: 1; }
}

.status-dot.offline {
    background-color: var(--light-red-color);
    box-shadow: 0 0 4px rgba(231, 76, 60, 0.6);
    animation: none;
}

/* ===== MAIN ===== */
main {
    flex: 1;
    padding: 8px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow: hidden;
    min-height: 0;
}

/* ===== DASHBOARD GRID (3 colonne) ===== */
.dashboard-grid {
    display: grid;
    grid-template-columns: 290px 1fr 290px;
    gap: 8px;
    flex: 1;
    min-height: 0;
    align-items: stretch;
}

/* ===== SECTION TITLE ===== */
.section-title {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--light-red-color);
    font-size: 1em;
    font-weight: 600;
    letter-spacing: 0.3px;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-red);
    font-family: "Montserrat", sans-serif;
}

.section-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ===== SIDEBAR ===== */
.sidebar {
    background-color: var(--bg-dark-gray-color);
    border: 1px solid var(--border-red);
    border-radius: 10px;
    padding: 11px;
    min-height: 0;
    overflow-y: auto;
}

/* ===== DATA BLOCK ===== */
.data-block {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 9px;
    background-color: var(--bg-light-gray-color);
    border: 1px solid var(--border-red);
    border-radius: 8px;
    margin-bottom: 7px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.data-block:last-of-type {
    margin-bottom: 0;
}

.data-block:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(231, 76, 60, 0.18);
}

.data-block-icon {
    width: 38px;
    height: 38px;
    background-color: rgba(231, 76, 60, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.data-block-icon img {
    width: 22px;
    height: 22px;
}

.data-block-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.data-block-label {
    font-size: 0.72em;
    color: var(--light-blue-color);
    margin-bottom: 1px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.data-block-value {
    font-size: 1.35em;
    font-weight: 700;
    color: var(--white-color);
    line-height: 1.1;
}

.data-block-bar {
    height: 3px;
    background-color: var(--bg-ultra-light-gray-color);
    border-radius: 2px;
    margin: 5px 0 3px;
    overflow: hidden;
}

.data-block-bar-fill {
    height: 100%;
    width: 72%;
    background-color: var(--green-color);
    border-radius: 2px;
    transition: width 0.6s ease;
}

.data-block-ok {
    font-size: 0.7em;
    color: var(--green-color);
    font-weight: 600;
}

/* ===== MAP AREA ===== */
.main-map-area {
    background-color: var(--bg-dark-gray-color);
    border: 1px solid var(--border-red);
    border-radius: 10px;
    padding: 11px;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.map-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    flex-shrink: 0;
}

.map-header .section-title {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.live-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85em;
    color: var(--green-color);
    font-weight: 500;
}

#mapid {
    flex: 1;
    min-height: 0;
    border-radius: 6px;
    overflow: hidden;
    background-color: var(--bg-ultra-light-gray-color);
}

.gps-info-bar {
    display: flex;
    align-items: center;
    padding: 7px 10px;
    background-color: var(--bg-light-gray-color);
    border-radius: 6px;
    margin-top: 7px;
    border: 1px solid var(--border-red);
    gap: 6px;
    flex-shrink: 0;
}

.gps-info-item {
    display: flex;
    align-items: center;
    gap: 7px;
    flex: 1;
}

.gps-icon {
    width: 17px;
    height: 17px;
    opacity: 0.9;
    flex-shrink: 0;
}

.gps-label {
    font-size: 0.78em;
    color: var(--light-blue-color);
    white-space: nowrap;
}

.gps-value {
    font-size: 0.88em;
    font-weight: 600;
    color: var(--white-color);
    white-space: nowrap;
}

.gps-bar-sep {
    width: 1px;
    height: 28px;
    background-color: rgba(255, 255, 255, 0.12);
    margin: 0 6px;
    flex-shrink: 0;
}

/* ===== DIAGNOSTICA ===== */
.diagnostica-section {
    background-color: var(--bg-dark-gray-color);
    border: 1px solid var(--border-red);
    border-radius: 10px;
    padding: 10px 11px;
    flex-shrink: 0;
}

.diagnostica-grid {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    gap: 7px;
}

.diag-tile {
    background-color: var(--bg-light-gray-color);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 8px;
    padding: 8px 6px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    transition: background-color 0.3s, border-color 0.3s;
}

.diag-tile.error {
    background-color: rgba(231, 76, 60, 0.12);
    border-color: var(--border-red);
}

.diag-label {
    font-size: 0.68em;
    color: var(--light-blue-color);
    line-height: 1.3;
}

.diag-status {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.8em;
    color: var(--green-color);
    font-weight: 600;
}

/* ===== FOOTER ===== */
footer {
    text-align: center;
    padding: 8px;
    background-color: var(--bg-dark-gray-color);
    color: #95a5a6;
    font-size: 0.8em;
    font-family: "Questrial", sans-serif;
    letter-spacing: 3px;
    border-top: 2px solid var(--light-red-color);
    box-shadow: 0 -6px 18px rgba(231, 76, 60, 0.2);
    flex-shrink: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1300px) {
    .dashboard-grid {
        grid-template-columns: 260px 1fr 260px;
    }
    .diagnostica-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* ===== MOBILE ===== */
@media (max-width: 960px) {
    /* Scroll globale: body non si blocca più a 100vh */
    body {
        overflow: auto;
        height: auto;
        min-height: 100vh;
    }

    /* Header: rimuove logo centrale che si sovrappone, layout lineare */
    .header-center { display: none; }
    .header-meta   { display: none; }

    .header-content {
        justify-content: flex-start;
    }

    header {
        padding: 10px 14px;
    }

    .logo-header {
        height: 46px;
    }

    .header-brand-title {
        font-size: 1.4em;
    }

    main {
        overflow: visible;
        flex: none;
        padding: 8px 10px;
        gap: 8px;
    }

    /* Dashboard: colonna singola, senza flex-stretch */
    .dashboard-grid {
        grid-template-columns: 1fr;
        flex: none;
        min-height: unset;
        align-items: start;
    }

    /* Sidebar: overflow visibile, nessuna altezza minima fissa */
    .sidebar {
        overflow-y: visible;
        min-height: unset;
    }

    /* Mappa: altezza fissa su mobile, non flex */
    .main-map-area {
        min-height: unset;
        height: auto;
    }

    #mapid {
        flex: none;
        height: 280px;
        min-height: 280px;
    }

    /*  3 colonne compatte */
    .diagnostica-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .diag-label {
        font-size: 0.65em;
    }

    .diag-status {
        font-size: 0.75em;
    }
}

/* ===== SMALL PHONES (< 520px) ===== */
@media (max-width: 520px) {
    header {
        padding: 8px 12px;
    }

    .logo-header {
        height: 38px;
    }

    .header-brand-title {
        font-size: 1.15em;
        gap: 5px;
    }

    .firma {
        font-size: 1.5em;
    }

    .header-brand-divider {
        font-size: 1.3em;
    }

    main {
        padding: 6px 8px;
        gap: 6px;
    }

    .section-title {
        font-size: 0.9em;
    }

    .data-block {
        padding: 8px;
        gap: 8px;
    }

    .data-block-value {
        font-size: 1.15em;
    }

    .data-block-icon {
        width: 34px;
        height: 34px;
    }

    .data-block-icon img {
        width: 19px;
        height: 19px;
    }

    #mapid {
        height: 240px;
        min-height: 240px;
    }

    .gps-info-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
        padding: 8px 10px;
    }

    .gps-bar-sep {
        width: 100%;
        height: 1px;
        margin: 0;
    }

    /* 2 colonne su telefoni stretti */
    .diagnostica-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .diagnostica-section {
        padding: 8px 9px;
    }

    footer {
        font-size: 0.72em;
        letter-spacing: 1.5px;
        padding: 7px;
    }
}