/* ===== QRFile – tema ===== */
:root {
    --qf-primary: #4f46e5;
    --qf-primary-hover: #4338ca;
    --qf-primary-soft: #eef2ff;
    --qf-ink: #0f172a;
    --qf-muted: #64748b;
    --qf-border: #e2e8f0;
    --qf-bg: #f5f6fb;
    --qf-radius: 16px;
    --qf-shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px rgba(15, 23, 42, .06);

    --bs-body-font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --bs-body-color: var(--qf-ink);
    --bs-body-bg: var(--qf-bg);
    --bs-primary: #4f46e5;
    --bs-primary-rgb: 79, 70, 229;
    --bs-link-color: #4f46e5;
    --bs-link-color-rgb: 79, 70, 229;
    --bs-link-hover-color: #4338ca;
    --bs-link-hover-color-rgb: 67, 56, 202;
    --bs-border-color: var(--qf-border);
    --bs-secondary-color: var(--qf-muted);
}

html { font-size: 14px; } /* dimensione base del testo (default 16px) */
body { background: var(--qf-bg); -webkit-font-smoothing: antialiased; }
h1, .h1, h2, .h2, h3, .h3 { font-weight: 700; letter-spacing: -.02em; }
.text-muted { color: var(--qf-muted) !important; }
a { text-decoration: none; }
.break-all { word-break: break-all; }

/* ---- Top bar ---- */
.qf-topbar {
    background: rgba(255, 255, 255, .85);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--qf-border);
    position: sticky; top: 0; z-index: 1030;
}
.qf-brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; color: var(--qf-ink); font-size: 1.1rem; }
.qf-brand:hover { color: var(--qf-ink); }
.qf-logo-mark {
    width: 34px; height: 34px; border-radius: 10px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed 60%, #c026d3);
    display: grid; place-items: center; color: #fff;
    box-shadow: 0 6px 16px rgba(79, 70, 229, .35);
}
.qf-nav { display: flex; gap: .25rem; }
.qf-nav .nav-link {
    color: var(--qf-muted); font-weight: 500; border-radius: 10px;
    padding: .45rem .85rem; display: flex; align-items: center; gap: .45rem;
}
.qf-nav .nav-link:hover { color: var(--qf-ink); background: #f1f5f9; }
.qf-nav .nav-link.active { color: var(--qf-primary); background: var(--qf-primary-soft); }
.qf-user { display: flex; align-items: center; gap: .6rem; color: var(--qf-muted); font-size: .9rem; }
.qf-avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--qf-primary-soft); color: var(--qf-primary);
    display: grid; place-items: center; font-weight: 700; text-transform: uppercase;
}
@media (max-width: 767.98px) {
    .qf-nav .nav-link span { display: none; }
    .qf-user .qf-username { display: none; }
}

/* ---- Page header ---- */
.qf-page-header { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: end; margin: 2rem 0 1.5rem; }
.qf-page-header h1 { margin: 0; font-size: 1.6rem; }
.qf-page-header p { margin: .25rem 0 0; color: var(--qf-muted); }

/* ---- Card ---- */
.card { border: 1px solid var(--qf-border); border-radius: var(--qf-radius); box-shadow: var(--qf-shadow); }
.card-body { padding: 1.5rem; }
.card-title-sm { font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--qf-muted); margin-bottom: 1rem; }

/* ---- Form ---- */
.form-label { font-weight: 600; font-size: .9rem; margin-bottom: .4rem; }
.form-control, .form-select {
    border-radius: 12px; border-color: var(--qf-border); padding: .65rem .9rem;
    transition: border-color .15s, box-shadow .15s;
}
.form-control:focus, .form-select:focus { border-color: var(--qf-primary); box-shadow: 0 0 0 4px rgba(79, 70, 229, .12); }
.form-check-input:checked { background-color: var(--qf-primary); border-color: var(--qf-primary); }
.form-switch .form-check-input { width: 2.4em; height: 1.3em; }
.input-icon { position: relative; }
.input-icon svg { position: absolute; left: .9rem; top: 50%; transform: translateY(-50%); color: #94a3b8; pointer-events: none; }
.input-icon .form-control { padding-left: 2.6rem; }

/* ---- Buttons ---- */
.btn { border-radius: 12px; font-weight: 600; padding: .55rem 1.1rem; display: inline-flex; align-items: center; justify-content: center; gap: .45rem; }
.btn-sm { border-radius: 10px; padding: .35rem .7rem; font-size: .82rem; }
.btn-primary {
    --bs-btn-bg: #4f46e5; --bs-btn-border-color: #4f46e5;
    --bs-btn-hover-bg: #4338ca; --bs-btn-hover-border-color: #4338ca;
    --bs-btn-active-bg: #3730a3; --bs-btn-active-border-color: #3730a3;
    --bs-btn-disabled-bg: #4f46e5; --bs-btn-disabled-border-color: #4f46e5;
    box-shadow: 0 6px 16px rgba(79, 70, 229, .25);
}
.btn-light-ghost { background: #fff; border: 1px solid var(--qf-border); color: var(--qf-ink); }
.btn-light-ghost:hover { background: #f8fafc; border-color: #cbd5e1; color: var(--qf-ink); }
.btn-icon { width: 34px; height: 34px; padding: 0; border-radius: 10px; }
.btn-soft-danger { background: #fef2f2; color: #dc2626; border: 1px solid #fee2e2; }
.btn-soft-danger:hover { background: #fee2e2; color: #b91c1c; }
.btn-soft-warning { background: #fffbeb; color: #b45309; border: 1px solid #fef3c7; }
.btn-soft-warning:hover { background: #fef3c7; color: #92400e; }

/* ---- Search ---- */
.qf-search { max-width: 420px; }

/* ---- Table ---- */
.qf-table-card { overflow: hidden; }
.qf-table { margin: 0; }
.qf-table thead th {
    background: #f8fafc; color: var(--qf-muted); font-size: .75rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .05em; border-bottom: 1px solid var(--qf-border);
    padding: .85rem 1rem; white-space: nowrap;
}
.qf-table td { padding: .9rem 1rem; border-color: #f1f5f9; vertical-align: middle; }
.qf-table tbody tr:last-child td { border-bottom: 0; }
.qf-table tbody tr:hover { background: #fafbff; }
.qr-thumb { width: 64px; height: auto; border-radius: 10px; border: 1px solid var(--qf-border); background: #fff; padding: 3px; transition: transform .15s; }
.qr-thumb:hover { transform: scale(1.06); }
.qf-file { display: flex; align-items: center; gap: .6rem; }
.qf-file-icon {
    width: 36px; height: 36px; border-radius: 10px; background: var(--qf-primary-soft); color: var(--qf-primary);
    display: grid; place-items: center; font-size: .65rem; font-weight: 700; flex-shrink: 0; text-transform: uppercase;
}
.qf-link { font-size: .8rem; color: var(--qf-muted); }
.qf-link:hover { color: var(--qf-primary); }

/* ---- Badge ---- */
.qf-badge { display: inline-flex; align-items: center; gap: .35rem; padding: .3rem .65rem; border-radius: 999px; font-size: .75rem; font-weight: 600; }
.qf-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.qf-badge-success { background: #ecfdf5; color: #059669; }
.qf-badge-muted { background: #f1f5f9; color: #64748b; }

/* ---- Stats ---- */
.qf-stat { display: flex; align-items: center; gap: 1rem; }
.qf-stat-icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--qf-primary-soft); color: var(--qf-primary); }
.qf-stat-value { font-size: 1.5rem; font-weight: 700; line-height: 1.1; }
.qf-stat-label { font-size: .82rem; color: var(--qf-muted); }

/* ---- Empty state ---- */
.qf-empty { text-align: center; padding: 3.5rem 1rem; }
.qf-empty-icon { width: 64px; height: 64px; border-radius: 18px; margin: 0 auto 1rem; display: grid; place-items: center; background: var(--qf-primary-soft); color: var(--qf-primary); }

/* ---- QR preview ---- */
.qr-preview-wrap { background: linear-gradient(135deg, #eef2ff, #faf5ff); border-radius: 14px; padding: 1.5rem; }
.qr-preview { max-width: 100%; border-radius: 12px; background: #fff; box-shadow: var(--qf-shadow); }
.logo-preview { max-width: 140px; max-height: 140px; border-radius: 14px; border: 1px dashed #cbd5e1; background: #fff; padding: 10px; }

/* ---- Dropzone ---- */
.qf-dropzone {
    border: 2px dashed #cbd5e1; border-radius: 14px; padding: 1.75rem 1rem; text-align: center;
    background: #f8fafc; cursor: pointer; transition: border-color .15s, background .15s; display: block;
}
.qf-dropzone:hover, .qf-dropzone.dragover { border-color: var(--qf-primary); background: var(--qf-primary-soft); }
.qf-dropzone input[type=file] { display: none; }
.qf-dropzone .qf-dz-title { font-weight: 600; }
.qf-dropzone .qf-dz-file { color: var(--qf-primary); font-weight: 600; margin-top: .4rem; word-break: break-all; }

/* ---- Alert ---- */
.alert { border-radius: 14px; border: 0; }
.alert-success { background: #ecfdf5; color: #065f46; }
.alert-danger { background: #fef2f2; color: #991b1b; }
.alert-info { background: var(--qf-primary-soft); color: #3730a3; }

/* ---- Pagine pubbliche ---- */
.qf-hero { min-height: 70vh; display: grid; place-items: center; text-align: center; }
.qf-hero-icon { width: 80px; height: 80px; border-radius: 24px; margin: 0 auto 1.5rem; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, #4f46e5, #7c3aed 60%, #c026d3); box-shadow: 0 12px 32px rgba(79, 70, 229, .35); }

/* ===== Login diviso in due ===== */
.auth-split { min-height: 100vh; display: flex; flex-direction: row-reverse; } /* immagine a sinistra, form a destra */
.auth-form-side { flex: 1 1 50%; display: flex; flex-direction: column; padding: 2rem clamp(1.5rem, 5vw, 4rem); background: #fff; }
.auth-form-inner { width: 100%; max-width: 400px; margin: auto; }
.auth-form-inner h1 { font-size: 1.9rem; margin-bottom: .35rem; }
.auth-form-inner .lead-sm { color: var(--qf-muted); margin-bottom: 2rem; }
.auth-form-inner .btn-primary { padding: .8rem 1rem; }
.auth-footer { font-size: .8rem; color: #94a3b8; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.auth-image-side {
    flex: 1 1 50%; position: relative; overflow: hidden;
    background: linear-gradient(135deg, #4f46e5, #7c3aed 55%, #c026d3);
}
.auth-image-side img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.auth-image-caption { position: absolute; left: 0; right: 0; bottom: 0; padding: 3rem; color: #fff; z-index: 1; }
.auth-image-caption h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: .5rem; }
.auth-image-caption p { opacity: .85; margin: 0; max-width: 440px; }
@media (max-width: 991.98px) { .auth-image-side { display: none; } }
.auth-logo { display: block; width: 130px; height: auto; }

/* ===== Pagina download (aperta dal QR code) ===== */
.dl-page { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem 1rem; background: linear-gradient(160deg, #eef2ff 0%, #f5f6fb 45%, #fdf4ff 100%); }
.dl-card { width: 100%; max-width: 440px; background: #fff; border-radius: 24px; box-shadow: 0 1px 2px rgba(15,23,42,.04), 0 20px 50px rgba(79,70,229,.12); padding: 2rem 1.75rem; text-align: center; }
.dl-card h1 { font-size: 1.6rem; margin-bottom: .5rem; }
.dl-logo { width: 100%; max-width: 200px; height: auto; margin: 0 auto 1.75rem; display: block; }
.dl-icon { width: 68px; height: 68px; border-radius: 20px; margin: 0 auto 1.25rem; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, #4f46e5, #7c3aed 60%, #c026d3); box-shadow: 0 10px 28px rgba(79,70,229,.35); animation: dl-pop .5s ease-out; }
.dl-icon-error { background: #fef2f2; color: #dc2626; box-shadow: none; }
.dl-file { display: flex; align-items: center; gap: .85rem; padding: 1rem; border: 1px solid var(--qf-border); border-radius: 14px; background: #f8fafc; margin: 1.5rem 0; }
@keyframes dl-pop { from { transform: scale(.6); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.logo-preview-wide { max-width: 240px; max-height: 80px; object-fit: contain; }
.dl-card-preview { max-width: 300px; padding: 1.5rem 1.25rem; box-shadow: var(--qf-shadow); }
.dl-card-preview .dl-logo { max-width: 160px; margin-bottom: 1.25rem; }
.dl-card-preview .dl-icon { width: 56px; height: 56px; border-radius: 16px; margin-bottom: 1rem; }

/* ===== Quota spazio ===== */
.qf-quota-bar { height: 8px; border-radius: 999px; background: #eef2f7; overflow: hidden; }
.qf-quota-bar > span { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, #4f46e5, #7c3aed); transition: width .3s; }
.qf-quota-warning > span { background: linear-gradient(90deg, #f59e0b, #d97706); }
.qf-quota-danger > span { background: linear-gradient(90deg, #ef4444, #dc2626); }
.qf-quota-inline { display: flex; align-items: center; gap: .75rem; padding: .75rem 1rem; border-radius: 12px; background: #f8fafc; border: 1px solid var(--qf-border); font-size: .85rem; }
.qf-quota-inline .qf-quota-bar { flex: 1; min-width: 80px; }