:root {
    --mcs-blue: #0f4f8f;
    --mcs-blue-dark: #0b3158;
    --mcs-blue-soft: #eaf3fb;
    --mcs-orange: #f39c12;
    --mcs-text: #202b36;
    --mcs-muted: #657282;
    --mcs-border: #dde6ef;
    --mcs-bg: #f6f8fb;
    --white: #ffffff;
    --danger: #b42318;
    --success: #087443;
    --shadow: 0 18px 45px rgba(18, 38, 63, 0.13);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--mcs-text); background: var(--mcs-bg); line-height: 1.55; }
a { color: var(--mcs-blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.narrow { max-width: 880px; }
.site-header { background: rgba(255,255,255,0.97); border-bottom: 1px solid var(--mcs-border); position: sticky; top: 0; z-index: 20; backdrop-filter: blur(8px); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { width: 165px; display: block; }
.header-nav { display: flex; align-items: center; gap: 14px; font-size: 14px; flex-wrap: wrap; }
.header-nav a { color: var(--mcs-blue-dark); font-weight: 700; padding: 8px 10px; border-radius: 999px; }
.header-nav a.active, .header-nav a:hover { background: var(--mcs-blue-soft); text-decoration: none; }
.hero { background: radial-gradient(circle at 85% 0%, rgba(243,156,18,0.16), transparent 32%), linear-gradient(135deg, #ffffff 0%, #f2f7fc 55%, #e8f1fa 100%); padding: 72px 0 56px; }
.mini-hero { padding: 56px 0; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: center; }
.eyebrow { color: var(--mcs-orange); text-transform: uppercase; letter-spacing: .08em; font-size: 12px; font-weight: 700; margin: 0 0 12px; }
h1,h2,h3 { line-height: 1.15; margin: 0 0 16px; color: var(--mcs-blue-dark); }
h1 { font-size: clamp(32px, 4.5vw, 52px); letter-spacing: -0.04em; }
h2 { font-size: clamp(24px, 3vw, 34px); letter-spacing: -0.03em; }
p { margin: 0 0 16px; }
.lead { font-size: 19px; color: #415062; max-width: 720px; }
.lead-small { font-size: 17px; color: #415062; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 26px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; border-radius: 999px; padding: 13px 20px; font-weight: 700; border: 1px solid transparent; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease; text-decoration: none; }
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: var(--mcs-blue); color: white; box-shadow: 0 10px 20px rgba(15, 79, 143, 0.24); }
.btn-primary:hover { background: var(--mcs-blue-dark); }
.btn-secondary { background: white; color: var(--mcs-blue-dark); border-color: var(--mcs-border); }
.btn-block { width: 100%; font-size: 16px; }
.hero-card,.contact-form,.panel,.login-card { background: var(--white); border: 1px solid var(--mcs-border); border-radius: 28px; padding: 34px; box-shadow: var(--shadow); }
.content-section { padding: 64px 0; }
.dashboard-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; align-items: start; }
.section-head { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin-bottom: 22px; }
.contact-form { display: grid; gap: 18px; }
.compact-form { padding: 0; border: 0; box-shadow: none; }
.field-row { display: grid; gap: 7px; }
.two-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.three-cols { display: grid; grid-template-columns: .7fr 1.5fr .6fr; gap: 16px; }
label { font-weight: 700; color: var(--mcs-blue-dark); }
input,select,textarea { width: 100%; border: 1px solid var(--mcs-border); border-radius: 14px; padding: 13px 14px; font: inherit; background: #fff; color: var(--mcs-text); outline: none; }
textarea { resize: vertical; min-height: 150px; }
input:focus,select:focus,textarea:focus { border-color: var(--mcs-blue); box-shadow: 0 0 0 4px rgba(15, 79, 143, .12); }
.check-row { display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: start; font-weight: 400; color: var(--mcs-text); }
.check-row input { width: 18px; height: 18px; margin-top: 3px; }
.check-row.optional { color: var(--mcs-muted); }
.form-errors { background: #fff2f0; border: 1px solid #ffccc7; color: var(--danger); border-radius: 16px; padding: 16px; margin: 18px 0; }
.form-errors ul { margin: 8px 0 0 18px; padding: 0; }
.flash-wrap { padding: 14px 0 0; }
.flash { border-radius: 14px; padding: 13px 16px; margin-bottom: 10px; border: 1px solid var(--mcs-border); background: white; }
.flash-success { border-color: #b7ebc6; color: var(--success); background: #f6ffed; }
.flash-danger,.flash-warning { border-color: #ffccc7; color: var(--danger); background: #fff2f0; }
.progress { height: 12px; background: #e9eef4; border-radius: 999px; overflow: hidden; margin: 14px 0; }
.progress span { display: block; height: 100%; background: linear-gradient(90deg, var(--mcs-blue), var(--mcs-orange)); border-radius: inherit; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th,td { text-align: left; padding: 13px 12px; border-bottom: 1px solid var(--mcs-border); vertical-align: top; }
th { color: var(--mcs-blue-dark); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }
.badge { display: inline-flex; padding: 5px 9px; border-radius: 999px; background: var(--mcs-blue-soft); color: var(--mcs-blue-dark); font-weight: 700; font-size: 12px; }
.badge-ok { background: #e7f8ee; color: var(--success); }
.small-note, small { font-size: 13px; color: var(--mcs-muted); }
.login-body { background: radial-gradient(circle at 10% 10%, rgba(243,156,18,0.16), transparent 28%), linear-gradient(135deg, #f8fbff, #eaf3fb); }
.center-page { min-height: 100vh; display: grid; place-items: center; padding: 32px; }
.login-card { width: min(520px, 100%); }
.login-logo img { width: 180px; margin-bottom: 24px; display: block; }
.captcha-inline { display: flex; align-items: center; gap: 10px; }
.captcha-question { display: inline-flex; align-items: center; min-height: 46px; padding: 0 14px; border-radius: 12px; background: #eef5fb; color: var(--mcs-blue-dark); font-weight: 800; white-space: nowrap; }
.captcha-inline input { max-width: 160px; }
.preference-list { display: grid; gap: 14px; }
.preference-item { background: #fbfdff; border: 1px solid var(--mcs-border); border-radius: 18px; padding: 17px; }
.channels { display: flex; gap: 18px; margin-left: 28px; margin-top: 8px; color: var(--mcs-muted); }
.channels input { width: auto; }
.highlight { border-left: 5px solid var(--mcs-orange); }
.token-box { font-family: Consolas, Monaco, monospace; background: #f2f6fa; border: 1px solid var(--mcs-border); padding: 12px; border-radius: 12px; word-break: break-all; }
.site-footer { background: var(--mcs-blue-dark); color: rgba(255,255,255,.86); padding: 28px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap; }
.site-footer p { margin: 0; font-size: 13px; }
.site-footer a { color: white; }
@media (max-width: 880px) { .header-inner { flex-direction: column; align-items: flex-start; padding: 15px 0; } .hero-grid,.dashboard-grid { grid-template-columns: 1fr; } .two-cols,.three-cols { grid-template-columns: 1fr; } .section-head { display: block; } }
@media (max-width: 560px) { .container { width: min(100% - 22px, 1120px); } .hero-card,.contact-form,.panel,.login-card { padding: 24px; border-radius: 22px; } .btn { width: 100%; } .captcha-inline { align-items: stretch; flex-direction: column; } .captcha-inline input { max-width: 100%; } .captcha-question { justify-content: center; } }
.danger-zone { margin-top: 18px; }
code { background: #eef5fb; border: 1px solid var(--mcs-border); border-radius: 7px; padding: 2px 6px; color: var(--mcs-blue-dark); }

/* Richieste: dettaglio, avanzamento, messaggi e gestione MCS */
.btn-small { min-height: 34px; padding: 7px 12px; font-size: 13px; }
.badge-progress { background: #eaf3fb; color: var(--mcs-blue); }
.badge-wait { background: #fff7e6; color: #ad6800; }
.badge-danger { background: #fff2f0; color: var(--danger); }
.request-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; align-items: start; margin-bottom: 24px; }
.request-meta-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; margin-bottom: 16px; }
.request-main hr,.admin-panel-wide hr { border: 0; border-top: 1px solid var(--mcs-border); margin: 22px 0; }
.preserve-lines { white-space: pre-wrap; }
.timeline { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.timeline li { position: relative; padding-left: 22px; border-left: 3px solid var(--mcs-blue-soft); }
.timeline li::before { content: ""; position: absolute; left: -7px; top: 4px; width: 11px; height: 11px; border-radius: 50%; background: var(--mcs-orange); box-shadow: 0 0 0 4px #fff; }
.timeline-date { display: block; color: var(--mcs-muted); font-size: 12px; margin-bottom: 3px; }
.thread-list { display: grid; gap: 14px; margin: 16px 0 24px; }
.thread-message { border: 1px solid var(--mcs-border); border-radius: 18px; padding: 16px; background: #fbfdff; }
.thread-mcs { border-left: 5px solid var(--mcs-blue); background: #f7fbff; }
.thread-cliente { border-left: 5px solid var(--mcs-orange); }
.thread-sistema { border-left: 5px solid var(--mcs-muted); }
.thread-private { opacity: .78; background: #fafafa; border-style: dashed; }
.thread-head { display: flex; justify-content: space-between; gap: 14px; color: var(--mcs-blue-dark); margin-bottom: 8px; }
.thread-head span { color: var(--mcs-muted); font-size: 13px; white-space: nowrap; }
.reply-form { margin-top: 20px; }
.admin-panel-wide { width: min(1180px, calc(100vw - 64px)); margin-left: 50%; transform: translateX(-50%); }
.admin-filter { margin-bottom: 18px; }
.admin-two-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 24px 0; }
.admin-detail-layout { grid-template-columns: 1fr .75fr; }
@media (max-width: 920px) { .request-layout,.admin-two-cols,.admin-detail-layout { grid-template-columns: 1fr; } .request-meta-grid { grid-template-columns: 1fr 1fr; } .admin-panel-wide { width: 100%; margin-left: 0; transform: none; } }
@media (max-width: 560px) { .request-meta-grid { grid-template-columns: 1fr; } .thread-head { display: block; } }

/* Area amministrativa */
.admin-site-header { border-bottom-color: rgba(15,79,143,.18); }
.admin-nav a.active { background: #0f4f8f; color: #fff; }
.admin-stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; margin-bottom: 34px; }
.admin-stat-card { display: block; text-decoration: none; transition: transform .15s ease, box-shadow .15s ease; }
.admin-stat-card:hover { transform: translateY(-2px); text-decoration: none; }
.admin-stat-card span { display: block; color: var(--mcs-muted); font-weight: 700; margin-bottom: 8px; }
.admin-stat-card strong { display: block; font-size: 38px; line-height: 1; color: var(--mcs-blue-dark); }
.admin-filter-button { align-self: end; }
.inline-form { display: inline-grid; gap: 7px; margin: 4px 6px 4px 0; vertical-align: top; }
.inline-form .btn { white-space: nowrap; }
.small-check { font-size: 12px; gap: 6px; color: var(--mcs-muted); }
.small-check input { width: 14px; height: 14px; margin-top: 2px; }
.admin-existing-client { display: none; }
@media (max-width: 920px) { .admin-stat-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .admin-stat-grid { grid-template-columns: 1fr; } .inline-form { display: grid; } }