/* page-tools.css — Dialog "Strumenti pagina".
   Modale centrato sopra il viewer, coerente col design system
   (variabili --panel/--border/--accent, dark mode via [data-theme=dark]). */

/* ---------- Overlay ---------- */
.pgtools-overlay {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: none;
    background: rgba(0, 0, 0, .5);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
}
.pgtools-overlay.is-open { display: flex; }
.pgtools-overlay.is-busy { cursor: progress; }

.pgtools-panel {
    margin: auto;
    width: min(680px, 96vw);
    max-height: min(92vh, 100%);
    display: flex;
    flex-direction: column;
    background: var(--panel);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* ---------- Header ---------- */
.pgtools-header {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: var(--panel-2);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}
.pgtools-title { font-size: 15px; font-weight: 700; white-space: nowrap; }
.pgtools-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }

.pgtools-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 34px;
    padding: 0 12px;
    background: var(--panel);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}
.pgtools-btn:hover:not(:disabled) { border-color: var(--accent); }
.pgtools-btn:disabled { opacity: .45; cursor: default; }
.pgtools-btn--primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.pgtools-btn--primary:hover:not(:disabled) { background: var(--accent-hover); }

/* ---------- Tabs ---------- */
.pgtools-tabs {
    flex: 0 0 auto;
    display: flex;
    gap: 2px;
    padding: 8px 12px 0;
    background: var(--panel-2);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}
.pgtools-tab {
    appearance: none;
    background: transparent;
    border: 1px solid transparent;
    border-bottom: none;
    color: var(--text-dim);
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 6px 6px 0 0;
    cursor: pointer;
}
.pgtools-tab:hover { color: var(--text); }
.pgtools-tab.is-active {
    background: var(--panel);
    color: var(--text);
    border-color: var(--border);
    margin-bottom: -1px;
}

/* ---------- Body / panes ---------- */
.pgtools-body {
    flex: 1 1 auto;
    min-height: 0;
    overflow: auto;
    padding: 16px;
    background: var(--panel);
}
.pgtools-tabpane { display: none; flex-direction: column; gap: 12px; }
.pgtools-tabpane.is-active { display: flex; }

.pgtools-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
}

.pgtools-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
    color: var(--text-dim);
}
.pgtools-field > span { font-weight: 600; }
.pgtools-field input[type="text"],
.pgtools-field input[type="number"],
.pgtools-field select {
    height: 34px;
    padding: 0 10px;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 13px;
    width: 100%;
}
.pgtools-field input:focus,
.pgtools-field select:focus { outline: none; border-color: var(--accent); }

.pgtools-field--color input[type="color"] {
    height: 34px;
    width: 100%;
    padding: 2px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
}
.pgtools-field--check {
    flex-direction: row;
    align-items: center;
    gap: 8px;
    justify-content: flex-start;
    align-self: end;
    min-height: 34px;
}
.pgtools-field--check input { width: 16px; height: 16px; }

.pgtools-help { font-size: 12px; color: var(--text-dim); margin: 2px 0 0; line-height: 1.5; }
.pgtools-help code {
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1px 5px;
    font-size: 11px;
}
.pgtools-preview {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-weight: 700;
    color: var(--text);
}

/* ---------- Hint ---------- */
.pgtools-hint {
    flex: 0 0 auto;
    padding: 8px 14px;
    font-size: 12px;
    color: var(--text-dim);
    border-top: 1px solid var(--border);
    min-height: 18px;
}
.pgtools-hint.is-alert { color: var(--danger); font-weight: 600; }
.pgtools-hint:empty { display: none; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
    .pgtools-panel { width: 100vw; height: 100%; max-height: 100%; border-radius: 0; border: none; }
    .pgtools-actions { width: 100%; }
    .pgtools-actions .pgtools-btn { flex: 1; justify-content: center; }
}