/* chisono.it */

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

:root {
    --bg:           #f4f8f5;
    --bg-card:      #ffffff;
    --border:       rgba(0,0,0,0.09);
    --heading:      #1a3a2a;
    --accent:       #2e6b4a;
    --text:         #1a2e22;
    --text-muted:   #5a7a66;
    --value-bg:     #e8f2ec;
    --value-border: #7c9a86;
    --ip-color:     #1a3a2a;
    --country-color: #2e6b4a;
    --radius:       10px;
    --shadow:       0 3px 18px rgba(0,0,0,0.07);
    --adv-key:      #325aa8;
}

html { scroll-behavior: smooth; }

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: "Myriad Set Pro", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 17px;
    line-height: 1.55;
    min-height: 100vh;
}

a { color: var(--accent); }
a:hover { text-decoration: underline; }

/* ── Layout ── */
.page {
    max-width: 700px;
    margin: 0 auto;
    padding: 18px 20px 40px;
}

/* ── Header ── */
.site-header {
    text-align: center;
    margin-bottom: 14px;
}

h1 {
    color: var(--heading);
    font-size: clamp(24px, 6vw, 36px);
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 3px;
}

.tagline {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 4px;
    font-style: italic;
}

.data-ora {
    font-size: 12px;
    color: var(--text-muted);
}

/* ── Cards ── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 14px 18px;
    margin-bottom: 10px;
}

.card-section {
    text-align: center;
    margin-bottom: 6px;
}

.card-section:last-child { margin-bottom: 0; }

.label {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
    text-align: center;
}

.value {
    background: var(--value-bg);
    border: 1px solid var(--value-border);
    border-radius: 8px;
    text-align: center;
    padding: 8px 16px;
    font-weight: 700;
    font-size: 18px;
    display: inline-block;
    min-width: 200px;
}

.value-ip {
    font-size: 20px;
    color: var(--ip-color);
    letter-spacing: 1px;
    min-width: 260px;
}

/* ── Geo row ── */
.geo-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-top: 8px;
}

.geo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--value-bg);
    border: 1px solid var(--value-border);
    border-radius: 8px;
    padding: 6px 12px;
    min-width: 110px;
    flex: 1 1 auto;
}

.geo-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 3px;
}

.geo-value {
    font-weight: 700;
    font-size: 15px;
    color: var(--country-color);
    text-align: center;
}

/* ── System row ── */
.card-system { padding: 14px 18px; }

.system-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.system-item {
    flex: 1 1 180px;
    text-align: center;
}

.system-item .value {
    display: block;
    font-size: 15px;
}

/* ── Display grid ── */
.card-display { text-align: center; }

.display-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.display-item {
    background: var(--value-bg);
    border: 1px solid var(--value-border);
    border-radius: 8px;
    padding: 7px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.display-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}

.display-value {
    font-weight: 700;
    font-size: 16px;
    color: var(--ip-color);
}

/* ── Referrer card ── */
.card-referrer .value {
    font-size: 14px;
    font-family: 'Courier New', Courier, monospace;
    word-break: break-all;
    min-width: unset;
    width: 100%;
    display: block;
    text-align: left;
}

/* ── Advanced details ── */
.advanced-details {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 24px;
    overflow: hidden;
}

.advanced-details summary {
    padding: 14px 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    user-select: none;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.advanced-details summary::-webkit-details-marker { display: none; }

.advanced-details summary::before {
    content: '\25B8';
    font-size: 11px;
    transition: transform 0.2s;
}

.advanced-details[open] summary::before { transform: rotate(90deg); }
.advanced-details summary:hover { color: var(--text); }

.advanced-body {
    padding: 0 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.adv-section {}

.adv-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    margin-bottom: 8px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 4px;
}

.adv-value {
    font-size: 13px;
    font-family: 'Courier New', Courier, monospace;
    word-break: break-all;
    color: var(--text);
}

.adv-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.adv-kv {
    background: var(--value-bg);
    border: 1px solid var(--value-border);
    border-radius: 6px;
    padding: 5px 10px;
    display: flex;
    gap: 6px;
    align-items: center;
    font-size: 13px;
}

.adv-kv .adv-k {
    color: var(--adv-key);
    font-weight: 600;
    white-space: nowrap;
}

.adv-kv .adv-v {
    color: var(--text);
    font-family: 'Courier New', Courier, monospace;
}

.adv-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.adv-table td {
    border: 1px solid var(--border);
    padding: 4px 8px;
    vertical-align: top;
}

.adv-table .adv-k {
    color: var(--adv-key);
    font-weight: 600;
    white-space: nowrap;
    width: 1%;
}

.adv-table .adv-v {
    font-family: 'Courier New', Courier, monospace;
    word-break: break-all;
}

/* ── Loading placeholder ── */
.loading {
    color: var(--text-muted);
    font-style: italic;
    font-weight: normal;
    font-size: 14px;
}

/* ── Footer ── */
.site-footer {
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    padding-top: 16px;
    border-top: 1px solid var(--border);
    line-height: 1.8;
}

/* ── Responsive ── */
@media (max-width: 500px) {
    .page { padding: 12px 12px 36px; }
    .card { padding: 12px 14px; }
    .display-grid { grid-template-columns: 1fr 1fr; }
    .value-ip { font-size: 16px; min-width: unset; }
    .system-row { flex-direction: column; gap: 10px; }
}