:root { --ir-ink:#14243b; --ir-muted:#64748b; --ir-line:#e5ebf1; --ir-blue:#2563eb; --ir-bg:#f8fafc; }
* { box-sizing:border-box; }
body { margin:0; background:var(--ir-bg); color:var(--ir-ink); font-family:Manrope,Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; font-size:15px; line-height:1.6; }
[hidden] { display:none !important; }
a { color:inherit; }
button,input,textarea,select { font:inherit; }
button,a,input,select,textarea { -webkit-tap-highlight-color:transparent; }
:focus-visible { outline:3px solid #71a5fb; outline-offset:4px; }
h1,h2,h3,p { margin:0; }
h1 { font-size:clamp(30px,4vw,46px); line-height:1.15; letter-spacing:-.045em; font-weight:750; }
h2 { font-size:23px; line-height:1.3; letter-spacing:-.025em; }
p { color:var(--ir-muted); }
.ir-shell { max-width:1440px; min-height:100vh; margin:auto; padding:24px clamp(18px,4vw,58px) 0; display:flex; flex-direction:column; }
.ir-shell main { flex:1; }
.ir-topbar { display:flex; align-items:center; justify-content:space-between; gap:20px; background:#fff; border:1px solid var(--ir-line); border-radius:16px; padding:15px 20px; box-shadow:0 8px 28px #14243b08; }
.ir-brand { display:flex; align-items:center; gap:13px; text-decoration:none; }
.ir-brand img { width:43px; height:43px; object-fit:contain; }
.ir-brand strong { display:block; font-size:15px; font-weight:650; letter-spacing:.035em; }
.ir-brand small { display:block; font-size:9px; letter-spacing:.21em; color:var(--ir-muted); margin-top:3px; }
.ir-badge { display:inline-flex; align-items:center; border:1px solid var(--ir-line); border-radius:999px; padding:5px 12px; font-size:11px; font-weight:650; white-space:nowrap; color:#53657b; background:#f8fafc; }
.ir-account { display:flex; gap:18px; align-items:center; font-size:13px; }
.ir-button { display:inline-flex; justify-content:center; align-items:center; gap:14px; padding:11px 17px; border-radius:9px; border:1px solid transparent; font-weight:650; font-size:13px; text-decoration:none; cursor:pointer; transition:background .15s,box-shadow .15s; line-height:1.5; }
.ir-button-primary { background:var(--ir-blue); color:white; box-shadow:0 4px 10px #2563eb12; }
.ir-button-primary:hover { background:#1d4ed8; color:#fff; }
.ir-button-quiet { color:var(--ir-ink); background:#fff; border-color:var(--ir-line); }
.ir-button-quiet:hover { background:#eef4ff; }
.ir-button-danger { color:#be3443; background:#fff3f4; }
.ir-button:disabled { opacity:.45; cursor:default; }
.ir-eyebrow { display:block; color:#6b7b92; font-size:10px; font-weight:750; letter-spacing:.19em; margin-bottom:17px; }
.ir-login-layout { display:grid; grid-template-columns:1.2fr 1fr; gap:clamp(32px,8vw,130px); align-items:center; min-height:calc(100vh - 190px); padding:55px 22px; }
.ir-intro h1 { font-size:clamp(36px,4.5vw,59px); letter-spacing:-.055em; line-height:1.13; }
.ir-intro h1 span { color:#8697ac; }
.ir-intro > p { max-width:400px; margin-top:25px; font-size:16px; line-height:1.85; }
.ir-access-note { border-top:1px solid var(--ir-line); margin-top:50px; padding-top:26px; display:flex; gap:16px; max-width:425px; }
.ir-access-note strong { font-size:12px; }
.ir-access-note p { font-size:12px; margin-top:5px; }
.ir-lock { border:1px solid #dce7f2; border-radius:12px; width:40px; height:40px; flex-shrink:0; display:grid; place-items:center; background:#edf4fd; color:var(--ir-blue); font-size:20px; }
.ir-panel { padding:30px; border:1px solid var(--ir-line); background:#fff; border-radius:17px; }
.ir-panel > p { margin-top:9px; font-size:13px; }
.ir-login-panel { max-width:440px; width:100%; justify-self:end; padding:38px; box-shadow:0 20px 65px #14243b06; }
.ir-form { display:flex; flex-direction:column; gap:19px; margin-top:26px; }
label { display:flex; flex-direction:column; gap:8px; font-size:12px; font-weight:650; }
input,textarea,select { width:100%; border:1px solid #dce3ed; border-radius:8px; background:#fff; color:var(--ir-ink); padding:11px 13px; font-size:14px; min-height:44px; }
textarea { resize:vertical; }
input::placeholder,textarea::placeholder { color:#94a3b8; }
.ir-form .ir-button-primary { padding:13px 18px; }
.ir-form small,label small { color:var(--ir-muted); font-size:11px; font-weight:400; }
.ir-help { font-size:11px; color:#8190a4; line-height:1.8; margin-top:22px !important; }
.ir-login-panel .ir-help { border-top:1px solid var(--ir-line); padding-top:20px; }
.ir-footer { display:flex; justify-content:space-between; gap:15px; font-size:10px; color:#91a0b3; border-top:1px solid var(--ir-line); padding:24px 0; margin-top:45px; }
.ir-alert { padding:15px 20px; background:#ebf7f1; border:1px solid #c5e7d6; color:#21694c; border-radius:10px; font-size:13px; margin:20px 0; }
.ir-alert-error { color:#a52e3a; background:#fff1f2; border-color:#fecdd3; }
.ir-password-panel { max-width:490px; margin:70px auto; }
.ir-password-panel h1 { font-size:31px; }
.ir-room { padding-top:48px; }
.ir-room-hero { display:flex; justify-content:space-between; align-items:center; gap:25px; border-bottom:1px solid var(--ir-line); padding:15px 0 44px; margin-bottom:40px; }
.ir-room-hero p { margin-top:16px; font-size:14px; }
.ir-nda-status { border:1px solid var(--ir-line); padding:16px 20px; border-radius:12px; background:#fff; font-size:12px; white-space:nowrap; }
.ir-nda-status small { display:block; font-size:10px; color:var(--ir-muted); margin-top:4px; }
.ir-status-dot { display:inline-block; width:6px; height:6px; background:#1aa37a; border-radius:50%; margin-right:6px; }
.ir-section-heading { display:flex; align-items:center; justify-content:space-between; gap:20px; margin-bottom:22px; }
.ir-section-heading p { margin-top:7px; font-size:12px; }
.ir-filters { display:flex; gap:16px; margin:25px 0; }
.ir-search { flex:1; }
.ir-filters select { min-width:210px; }
.ir-area-nav { display:flex; flex-wrap:wrap; gap:10px; margin:24px 0; }
.ir-area-nav a { display:inline-flex; align-items:center; gap:12px; padding:10px 15px; border:1px solid var(--ir-line); border-radius:10px; background:#fff; text-decoration:none; font-size:12px; font-weight:650; overflow-wrap:anywhere; }
.ir-area-nav a:hover { background:#eef4ff; }
.ir-area-nav span { color:var(--ir-muted); font-weight:400; }
.ir-document-area { margin-top:30px; scroll-margin-top:25px; }
.ir-area-heading { display:flex; align-items:center; justify-content:space-between; gap:15px; margin-bottom:14px; }
.ir-area-heading h3 { font-size:18px; overflow-wrap:anywhere; }
.ir-area-heading > span { flex-shrink:0; color:var(--ir-muted); font-size:12px; }
.ir-document-edit { margin-top:12px; max-width:520px; }
.ir-document-edit summary { color:var(--ir-blue); font-size:12px; }
.ir-document-edit .ir-form { gap:13px; margin:15px 0; min-width:220px; }
.ir-document-edit .ir-button { align-self:flex-start; }
.ir-catalog-item { border-top:1px solid var(--ir-line); padding:20px 0; }
.ir-catalog-item p { font-size:12px; margin-top:8px; overflow-wrap:anywhere; }
.ir-catalog-item label span { min-width:0; overflow-wrap:anywhere; }
.ir-catalog-item label small { display:block; font-weight:400; margin-top:4px; }
.ir-catalog-status { padding-left:27px; }
#ir-catalog-form > .ir-button { align-self:flex-start; }
.ir-document-list { background:white; border:1px solid var(--ir-line); border-radius:14px; overflow:hidden; }
.ir-document-row { display:flex; align-items:center; gap:20px; padding:23px 25px; text-decoration:none; border-bottom:1px solid var(--ir-line); transition:background .15s; }
.ir-document-row:last-child { border-bottom:0; }
.ir-document-row:hover { background:#f5f8ff; }
.ir-document-actions { display:flex; flex-wrap:wrap; gap:8px; flex-shrink:0; }
.ir-document-actions .ir-button { padding:9px 12px; font-size:12px; }
.ir-original-form { margin:15px 0; max-width:360px; }
.ir-file-icon { width:48px; height:57px; display:grid; place-items:center; background:#eff4ff; color:#4a71b3; border:1px solid #dfe8f9; border-radius:8px; font-size:10px; font-weight:750; flex-shrink:0; }
.ir-file-xls,.ir-file-xlsx,.ir-file-csv { background:#ebf7f1; color:#438569; border-color:#d7ede0; }
.ir-file-pdf { background:#fff3ef; color:#bc7761; border-color:#f9e4da; }
.ir-document-info { flex:1; min-width:0; }
.ir-document-info strong { font-size:14px; display:block; overflow-wrap:anywhere; }
.ir-document-info p { font-size:12px; margin-top:4px; overflow-wrap:anywhere; }
.ir-document-info small { display:block; font-size:10px; color:#91a0b3; margin-top:6px; }
.ir-open { color:var(--ir-blue); font-size:12px; font-weight:650; white-space:nowrap; }
.ir-open span { margin-left:12px; }
.ir-empty { text-align:center; padding:60px 20px; color:var(--ir-muted); background:#fff; border:1px dashed #dbe3ed; border-radius:12px; }
.ir-empty-icon { font-size:40px; color:#9cb2cf; }
.ir-empty h3 { color:var(--ir-ink); font-size:17px; margin-top:10px; }
.ir-empty p { font-size:13px; margin-top:8px; }
.ir-back { display:inline-block; text-decoration:none; color:var(--ir-muted); font-size:12px; margin:28px 0; }
.ir-viewer h1 { font-size:30px; overflow-wrap:anywhere; }
.ir-viewer .ir-eyebrow { margin-bottom:10px; }
.ir-viewer-toolbar { display:flex; align-items:center; justify-content:center; gap:20px; background:#fff; border:1px solid var(--ir-line); padding:12px; border-radius:12px 12px 0 0; }
.ir-viewer-toolbar > span { font-size:12px; }
.ir-canvas-wrap { overflow:auto; text-align:center; padding:25px; background:#e9eef4; border-radius:0 0 12px 12px; min-height:200px; }
#ir-document-canvas { display:block; max-width:100%; height:auto; margin:0 auto; box-shadow:0 3px 20px #14243b18; user-select:none; -webkit-user-select:none; -webkit-touch-callout:none; }
.ir-canvas-wrap.ir-zoomed #ir-document-canvas { max-width:none; }
.ir-viewer-status { padding:10px; text-align:center; color:var(--ir-muted); font-size:12px; }
.ir-admin-body { background:var(--ir-bg); color:var(--ir-ink); }
.ir-admin { max-width:1320px; margin:auto; padding:40px 25px 80px; }
.ir-admin > .ir-panel { margin-bottom:25px; }
.ir-admin-grid { display:grid; grid-template-columns:1fr 1fr; gap:25px; margin:30px 0; align-items:start; }
.ir-form-grid { display:grid; grid-template-columns:1fr 1fr; gap:15px; }
.ir-checkbox { flex-direction:row; align-items:flex-start; gap:10px; }
.ir-checkbox input { width:17px; height:17px; min-height:0; margin-top:3px; flex-shrink:0; }
.ir-table-wrap { overflow-x:auto; margin-top:22px; }
.ir-table { border-collapse:collapse; width:100%; font-size:12px; }
.ir-table th { color:var(--ir-muted); text-align:left; font-weight:500; white-space:nowrap; }
.ir-table td,.ir-table th { border-bottom:1px solid var(--ir-line); padding:14px 12px; vertical-align:top; }
.ir-table td:first-child,.ir-table th:first-child { padding-left:0; }
.ir-table small { display:block; color:var(--ir-muted); margin-top:5px; max-width:290px; overflow-wrap:anywhere; }
.ir-row-actions { display:flex; flex-wrap:wrap; gap:8px; }
.ir-row-actions .ir-button { padding:7px 10px; font-size:11px; white-space:nowrap; }
.ir-count { color:#94a3b8; font-size:16px; margin-left:8px; }
.ir-credentials { border:1px solid #adc6fa; background:#f4f8ff; }
.ir-credentials label { max-width:460px; margin-top:15px; }
.ir-preview-page { margin:25px auto; max-width:1100px; }
.ir-preview-page img { width:100%; height:auto; border:1px solid var(--ir-line); }
.ir-preview-page figcaption { color:var(--ir-muted); margin-bottom:10px; font-size:12px; }
progress { width:100%; height:8px; accent-color:var(--ir-blue); }
summary { cursor:pointer; font-weight:600; }
@media(max-width:850px) {
    .ir-login-layout { grid-template-columns:1fr; gap:35px; padding:45px 0 25px; }
    .ir-login-panel { justify-self:start; max-width:none; padding:28px; }
    .ir-intro h1 { font-size:43px; }
    .ir-access-note { display:none; }
    .ir-admin-grid { grid-template-columns:1fr; }
    .ir-room-hero { align-items:flex-start; flex-direction:column; }
}
@media(max-width:540px) {
    .ir-shell { padding:12px 14px 0; }
    .ir-topbar { padding:12px; gap:10px; }
    .ir-topbar > .ir-badge { display:none; }
    .ir-brand { gap:8px; }
    .ir-brand img { width:32px; height:32px; }
    .ir-brand strong { font-size:12px; }
    .ir-brand small { font-size:8px; }
    .ir-account > span { display:none; }
    .ir-intro h1 { font-size:36px; }
    .ir-intro > p { font-size:14px; }
    .ir-login-panel { padding:24px; }
    .ir-footer { flex-direction:column; gap:5px; }
    .ir-filters { flex-direction:column; }
    .ir-document-row { gap:12px; padding:18px 14px; }
    .ir-document-row { flex-wrap:wrap; }
    .ir-document-info { flex-basis:calc(100% - 50px); }
    .ir-document-actions { width:100%; justify-content:flex-end; }
    .ir-file-icon { width:38px; height:48px; font-size:9px; }
    .ir-open { font-size:0; }
    .ir-open span { font-size:18px; margin-left:0; }
    .ir-section-heading { align-items:flex-start; flex-wrap:wrap; }
    .ir-viewer-toolbar { gap:8px; flex-wrap:wrap; }
    .ir-viewer-toolbar .ir-button { padding:8px; font-size:11px; }
    .ir-canvas-wrap { padding:8px; }
    .ir-admin { padding:25px 14px 60px; }
    .ir-panel { padding:22px; }
    .ir-form-grid { grid-template-columns:1fr; }
}
@media print { body > * { display:none !important; } body::after { content:"Nanospot Investors · Documento riservato. Stampa non consentita."; display:block; padding:30px; } }
@media(prefers-reduced-motion:reduce) { * { transition:none !important; } }