/* ============================================================
   Digit — stile interfaccia
   ============================================================ */
:root {
    --bg:        #f4f6f9;
    --panel:     #ffffff;
    --ink:       #1f2733;
    --muted:     #6b7785;
    --line:      #e2e7ee;
    --primary:   #2563eb;
    --primary-d: #1d4ed8;
    --ok:        #16a34a;
    --pending:   #d97706;
    --danger:    #dc2626;
    --radius:    10px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color: var(--ink);
    background: var(--bg);
}

a { color: var(--primary); text-decoration: none; }

/* --- Pulsanti ------------------------------------------------ */
.btn {
    display: inline-block;
    padding: 10px 18px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-d); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { background: #eef1f6; }
.btn-warn { background: #fff6e6; color: #92560a; border-color: #f1d4a0; width: 100%; }
.btn-warn:hover { background: #fdecca; }
.btn-lg { padding: 13px 24px; font-size: 16px; width: 100%; }

/* --- Topbar -------------------------------------------------- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 20px;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
}
.brand { font-weight: 800; font-size: 18px; letter-spacing: .3px; }
.brand a { color: inherit; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.user-badge { color: var(--muted); font-weight: 600; }
.counter { color: var(--muted); font-size: 14px; }
.counter strong { color: var(--ink); }

/* --- Login --------------------------------------------------- */
.login-page {
    display: grid;
    place-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #e8eefb, #f4f6f9);
}
.login-card {
    width: 340px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 12px 40px rgba(20, 30, 50, .08);
}
.login-card h1 { margin: 0; font-size: 26px; text-align: center; }
.login-card .subtitle { margin: 4px 0 22px; text-align: center; color: var(--muted); }

/* --- Form ---------------------------------------------------- */
label { display: block; margin-bottom: 14px; font-size: 14px; font-weight: 600; color: var(--ink); }
input, select {
    width: 100%;
    margin-top: 6px;
    padding: 10px 12px;
    font-size: 15px;
    font-weight: 400;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    color: var(--ink);
}
input:focus, select:focus { outline: 2px solid var(--primary); border-color: var(--primary); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.alert {
    background: #fde8e8;
    color: var(--danger);
    border: 1px solid #f5c2c2;
    padding: 10px 12px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
}

/* --- Dashboard ----------------------------------------------- */
.dashboard { max-width: 760px; margin: 40px auto; padding: 0 20px; }
.dashboard h1 { font-size: 24px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 24px 0; }
.stat {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px;
    text-align: center;
}
.stat-num { font-size: 40px; font-weight: 800; line-height: 1; }
.stat-label { margin-top: 8px; color: var(--muted); font-size: 14px; }
.stat-pending .stat-num { color: var(--pending); }
.stat-indexed .stat-num { color: var(--ok); }
.stat-unclear .stat-num { color: var(--danger); }
.stat-total   .stat-num { color: var(--primary); }

.progress {
    position: relative;
    height: 26px;
    background: #e9edf3;
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 24px;
}
.progress-bar { height: 100%; background: linear-gradient(90deg, #22c55e, #16a34a); transition: width .4s; }
.progress-text {
    position: absolute; inset: 0;
    display: grid; place-items: center;
    font-size: 13px; font-weight: 700; color: #14532d;
}
.done-msg {
    background: #e7f6ec; color: var(--ok);
    border: 1px solid #b9e3c6; border-radius: var(--radius);
    padding: 18px; font-weight: 600; text-align: center;
}
.note-msg { text-align: center; color: var(--muted); margin-top: 10px; }

/* --- Schermata indicizzazione (split) ------------------------ */
.indexer-body { display: flex; flex-direction: column; height: 100vh; overflow: hidden; }
.split { flex: 1; display: grid; grid-template-columns: 1fr 440px; min-height: 0; }

.pane { min-height: 0; display: flex; flex-direction: column; }
.pane-pdf { background: #2b3340; }
.pane-form { background: var(--panel); border-left: 1px solid var(--line); padding: 24px; overflow-y: auto; }
.pane-form h2 { margin-top: 0; margin-bottom: 4px; }
.form-hint { margin: 0 0 18px; color: var(--muted); font-size: 13px; }

/* Box "documento non chiaro" */
.skip-box {
    margin-top: 18px; padding-top: 18px;
    border-top: 1px dashed var(--line);
    text-align: center;
}
.skip-box p { margin: 0 0 10px; color: var(--muted); font-size: 14px; }

/* Toolbar PDF */
.pdf-toolbar {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 12px;
    background: #222a35;
    border-bottom: 1px solid #1a212b;
    color: #d7deea;
}
.tool {
    min-width: 34px; height: 34px;
    padding: 0 10px;
    background: #3a4452; color: #fff;
    border: none; border-radius: 7px;
    font-size: 17px; cursor: pointer;
}
.tool:hover { background: #4a5666; }
.tool-label { font-size: 13px; min-width: 54px; text-align: center; }
.sep { width: 1px; height: 22px; background: #45505f; margin: 0 4px; }
.filename {
    margin-left: auto; max-width: 40%;
    font-size: 13px; color: #9fb0c4;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* Corpo del pannello PDF: miniature + area di rendering */
.pdf-body { flex: 1; display: flex; min-height: 0; }
.thumbs { width: 0; overflow-y: auto; background: #222a35; display: flex; flex-direction: column; gap: 8px; }
.thumbs.has-thumbs { width: 96px; padding: 10px; }
.thumb { width: 100%; cursor: pointer; border: 2px solid transparent; border-radius: 4px; background: #fff; }
.thumb.active { border-color: var(--primary); }

/* Area di rendering del PDF */
.pdf-stage { flex: 1; overflow: auto; display: grid; place-items: start center; padding: 20px; }
#pdfCanvas { box-shadow: 0 6px 24px rgba(0,0,0,.4); background: #fff; }
.pdf-error { color: #f3b4b4; }

/* Stato vuoto */
.empty-state { flex: 1; display: grid; place-content: center; text-align: center; gap: 8px; padding: 40px; }
.empty-icon {
    width: 80px; height: 80px; margin: 0 auto 8px;
    display: grid; place-items: center;
    font-size: 42px; color: #fff;
    background: var(--ok); border-radius: 50%;
}
.empty-state h1 { margin: 0; }
.empty-state p { color: var(--muted); margin: 0 0 12px; }

/* Responsive: su schermi stretti impila le due metà */
@media (max-width: 860px) {
    .split { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
    .stats { grid-template-columns: 1fr; }
    .pane-form { border-left: none; border-top: 1px solid var(--line); }
}

/* ============================================================
   Componenti aggiuntivi: pagine elenco, admin, navigazione
   ============================================================ */

/* Pagina generica con contenuto centrato */
.page { max-width: 1100px; margin: 28px auto; padding: 0 20px; }
.page h1 { font-size: 24px; margin-bottom: 12px; }
.page h2 { font-size: 18px; margin: 26px 0 10px; }
.muted { color: var(--muted); }
.muted code { background: #eef1f6; padding: 1px 5px; border-radius: 4px; }

/* Azioni dashboard */
.dash-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.dash-actions .btn-lg { width: auto; flex: 1; min-width: 200px; }

/* Sottobarra di navigazione (indexer) */
.subbar {
    display: flex; align-items: center; gap: 14px;
    padding: 8px 20px;
    background: #eef2f8; border-bottom: 1px solid var(--line);
    font-size: 14px;
}
.subbar .pos { color: var(--muted); }
.subbar .nav-actions { margin-left: auto; display: flex; gap: 8px; }

/* Alert positivo */
.alert-ok { background: #e7f6ec; color: #14532d; border-color: #b9e3c6; }

/* Tab */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 18px; }
.tabs.admin-tabs { padding: 0 20px; max-width: 1100px; margin: 0 auto 18px; }
.tab {
    padding: 10px 16px; font-weight: 600; color: var(--muted);
    border-bottom: 3px solid transparent; margin-bottom: -1px;
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* Tabelle */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table.grid { width: 100%; border-collapse: collapse; font-size: 14px; background: #fff; }
table.grid th, table.grid td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.grid th { background: #f7f9fc; font-size: 12px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); }
table.grid tr:last-child td { border-bottom: none; }
table.grid .num { text-align: right; }
table.grid .file { font-weight: 600; }
table.grid .actions { display: flex; gap: 6px; }

/* Badge di stato */
.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.badge-pending { background: #fff3e0; color: #b45309; }
.badge-indexed { background: #e7f6ec; color: #15803d; }
.badge-unclear { background: #fde8e8; color: #b91c1c; }

/* Pulsanti piccoli */
.btn-sm {
    display: inline-block; padding: 6px 12px;
    border: 1px solid var(--line); border-radius: 7px;
    font-size: 13px; font-weight: 600; cursor: pointer;
    background: #fff; color: var(--ink);
}
.btn-sm:hover { background: #eef1f6; }
.btn-sm.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-sm.btn-primary:hover { background: var(--primary-d); }
.btn-sm.btn-warn { background: #fff6e6; color: #92560a; border-color: #f1d4a0; }
form.inline { display: inline; margin: 0; }

/* Form a scheda (admin) */
.card-form {
    background: var(--panel); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 20px; margin-bottom: 10px;
}
.card-form .row3 { display: grid; grid-template-columns: 1fr 2fr 1fr; gap: 14px; }
.card-form label.check { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.card-form label.check input { width: auto; margin: 0; }
.form-actions { display: flex; gap: 10px; margin-top: 6px; }
.form-actions .btn { width: auto; }

@media (max-width: 720px) {
    .card-form .row3 { grid-template-columns: 1fr; }
    .subbar { flex-wrap: wrap; }
}