/* Import Massivo Spedizioni — stepper, gruppi di campo, KPI tile, card corriere, loader di elaborazione.
   Tutti i colori derivano dalle CSS variable di MudBlazor (tema chiaro/scuro dell'app), nessun colore fisso. */

.im-scope {
    --im-accent: var(--mud-palette-primary);
    --im-accent-2: var(--mud-palette-tertiary);
    --im-accent-tint: rgba(var(--mud-palette-primary-rgb), .08);
    --im-accent-tint-strong: rgba(var(--mud-palette-primary-rgb), .18);
    --im-surface: var(--mud-palette-surface);
    --im-surface-2: var(--mud-palette-background-grey);
    --im-border: var(--mud-palette-divider);
    --im-ink: var(--mud-palette-text-primary);
    --im-ink-soft: var(--mud-palette-text-secondary);
    --im-ink-faint: var(--mud-palette-text-disabled);
    --im-success: var(--mud-palette-success);
    --im-success-tint: rgba(var(--mud-palette-success-rgb), .14);
    --im-success-ink: var(--mud-palette-success-darken);
    --im-warning: var(--mud-palette-warning);
    --im-warning-tint: rgba(var(--mud-palette-warning-rgb), .16);
    --im-warning-ink: var(--mud-palette-warning-darken);
    --im-danger: var(--mud-palette-error);
    --im-danger-tint: rgba(var(--mud-palette-error-rgb), .12);
    --im-danger-ink: var(--mud-palette-error-darken);
    --im-radius: 16px;
    --im-radius-sm: 10px;
    --im-shadow-sm: 0 1px 2px rgba(0,0,0,.06);
    --im-shadow-md: 0 10px 26px -10px rgba(var(--mud-palette-primary-rgb), .35);
}

/* ---------- page head ---------- */
.im-pagehead { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; margin-bottom: 24px; }
.im-eyebrow { font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--im-accent); margin: 0 0 4px; }

/* ---------- stepper ---------- */
.im-stepper { position: relative; display: grid; grid-template-columns: repeat(4,1fr); margin: 0 0 24px; padding: 20px 8px 0; }
.im-stepper::before { content: ""; position: absolute; top: 36px; left: calc(12.5% - 1px); right: calc(12.5% - 1px); height: 2px; background: var(--im-border); }
.im-stepper-progress { position: absolute; top: 36px; left: calc(12.5% - 1px); height: 2px; background: linear-gradient(90deg, var(--im-accent), var(--im-accent-2)); transition: width .45s cubic-bezier(.65,0,.35,1); }
.im-step-node { position: relative; display: flex; flex-direction: column; align-items: center; gap: 8px; background: none; border: none; cursor: pointer; padding: 0; font-family: inherit; }
.im-step-dot { width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--im-surface); border: 2px solid var(--im-border); color: var(--im-ink-faint); font-weight: 700; font-size: .9rem; transition: all .25s cubic-bezier(.65,0,.35,1); position: relative; z-index: 1; }
.im-step-dot svg { width: 17px; height: 17px; }
.im-step-label { font-size: .76rem; font-weight: 600; color: var(--im-ink-faint); transition: color .2s; text-align: center; }
.im-step-node.is-done .im-step-dot { background: var(--im-accent); border-color: var(--im-accent); color: var(--mud-palette-primary-text); }
.im-step-node.is-done .im-step-label { color: var(--im-ink); }
.im-step-node.is-active .im-step-dot { background: var(--im-surface); border-color: var(--im-accent); color: var(--im-accent); box-shadow: 0 0 0 5px var(--im-accent-tint); transform: scale(1.08); }
.im-step-node.is-active .im-step-label { color: var(--im-ink); }

/* ---------- stage card ---------- */
.im-stage { background: var(--im-surface); border: 1px solid var(--im-border); border-radius: var(--im-radius); box-shadow: var(--im-shadow-sm); overflow: hidden; }
.im-stage-head { padding: 26px 32px 4px; }
.im-stage-kicker { display: flex; align-items: center; gap: 8px; font-size: .72rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--im-accent); margin-bottom: 6px; }
.im-stage-head h2 { font-size: 1.35rem; font-weight: 700; margin: 0; }
.im-stage-desc { color: var(--im-ink-soft); font-size: .88rem; margin: 6px 0 0; max-width: 62ch; }
.im-stage-body { padding: 22px 32px 30px; }
.im-stage-foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 16px 32px; border-top: 1px solid var(--im-border); background: var(--im-surface-2); flex-wrap: wrap; }
@media (max-width: 640px) { .im-stage-head, .im-stage-body, .im-stage-foot { padding-left: 18px; padding-right: 18px; } }

.im-progress-chip { display: flex; align-items: center; gap: 10px; font-size: .8rem; color: var(--im-ink-soft); font-weight: 600; }
.im-progress-track { width: 110px; height: 6px; border-radius: 999px; background: var(--im-border); overflow: hidden; }
.im-progress-fill { height: 100%; background: linear-gradient(90deg, var(--im-accent), var(--im-success)); border-radius: 999px; transition: width .3s; }

/* ---------- step 1: dropzone ---------- */
.im-dropzone { border: 2px dashed var(--im-border); border-radius: var(--im-radius); background: var(--im-surface-2); padding: 52px 24px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 12px; transition: border-color .2s, background .2s; }
.im-dropzone.im-drag, .im-dropzone:hover { border-color: var(--im-accent); background: var(--im-accent-tint); }
.im-dropzone-icon { width: 60px; height: 60px; border-radius: 50%; background: var(--im-accent-tint); color: var(--im-accent); display: flex; align-items: center; justify-content: center; }
.im-dropzone-icon svg { width: 28px; height: 28px; }
.im-dropzone h3 { font-size: 1.02rem; font-weight: 700; margin: 0; }
.im-dropzone p { margin: 0; color: var(--im-ink-soft); font-size: .86rem; }
.im-format-tags { display: flex; gap: 8px; margin-top: 4px; flex-wrap: wrap; justify-content: center; }
.im-tag { font-size: .7rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; background: var(--im-surface); border: 1px solid var(--im-border); color: var(--im-ink-soft); }

.im-file-chip { margin-top: 18px; display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-radius: var(--im-radius-sm); background: var(--im-surface); border: 1px solid var(--im-border); box-shadow: var(--im-shadow-sm); }
.im-file-chip-icon { width: 36px; height: 36px; border-radius: 10px; background: var(--im-success-tint); color: var(--im-success-ink); display: flex; align-items: center; justify-content: center; flex: none; }
.im-file-chip-icon svg { width: 18px; height: 18px; }
.im-file-chip .im-fname { font-weight: 700; font-size: .86rem; }
.im-file-chip .im-fsize { font-size: .74rem; color: var(--im-ink-soft); }

/* ---------- step 2: mapping ---------- */
.im-banner { display: flex; gap: 12px; align-items: flex-start; padding: 13px 16px; border-radius: var(--im-radius-sm); background: var(--im-accent-tint); border: 1px solid var(--im-accent-tint-strong); margin-bottom: 22px; font-size: .85rem; }
.im-banner svg { width: 18px; height: 18px; flex: none; margin-top: 2px; color: var(--im-accent); }
.im-banner .im-soft { color: var(--im-ink-soft); }

.im-field-group { margin-bottom: 20px; border: 1px solid var(--im-border); border-radius: var(--im-radius-sm); overflow: hidden; }
.im-field-group:last-child { margin-bottom: 0; }
.im-fg-head { display: flex; align-items: center; gap: 10px; padding: 12px 16px; background: var(--im-surface-2); border-bottom: 1px solid var(--im-border); }
.im-fg-icon { width: 26px; height: 26px; border-radius: 8px; background: var(--im-accent-tint); color: var(--im-accent); display: flex; align-items: center; justify-content: center; flex: none; }
.im-fg-icon svg { width: 15px; height: 15px; }
.im-fg-head h4 { font-size: .84rem; font-weight: 700; margin: 0; }
.im-fg-note { margin-left: auto; font-size: .7rem; color: var(--im-ink-faint); text-align: right; }
.im-fg-body { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px,1fr)); }
.im-field-row { padding: 15px 16px; border-top: 1px solid var(--im-border); }
.im-field-row .im-req { color: var(--im-danger); }
.im-field-row .im-field-label { display: block; font-size: .76rem; font-weight: 700; color: var(--im-ink-soft); margin-bottom: 6px; }
.im-field-row .im-field-hint { font-weight: 500; color: var(--im-ink-faint); }
.im-auto-badge { display: inline-flex; align-items: center; gap: 4px; font-size: .64rem; font-weight: 700; color: var(--im-success-ink); background: var(--im-success-tint); padding: 2px 8px; border-radius: 999px; margin-top: 6px; }
.im-auto-badge svg { width: 9px; height: 9px; }

/* select mapping: MudSelect già stilizzato dal tema, qui solo respiro/allineamento */
.im-field-row .mud-input-control { margin-top: 0; }
.im-weight-fallback-hint { font-size: .72rem; color: var(--im-ink-faint); margin-top: 4px; }

/* ---------- step 3: KPI + tabella ---------- */
.im-kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px,1fr)); gap: 12px; margin-bottom: 22px; }
.im-kpi { padding: 15px 16px; border-radius: var(--im-radius-sm); border: 1px solid var(--im-border); background: var(--im-surface-2); }
.im-kpi .im-kval { font-size: 1.65rem; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; }
.im-kpi .im-klabel { font-size: .74rem; color: var(--im-ink-soft); font-weight: 600; margin-top: 6px; }
.im-kpi.im-ok { background: var(--im-success-tint); border-color: transparent; }
.im-kpi.im-ok .im-kval { color: var(--im-success-ink); }
.im-kpi.im-warn { background: var(--im-warning-tint); border-color: transparent; }
.im-kpi.im-warn .im-kval { color: var(--im-warning-ink); }

.im-status-chip { display: inline-flex; align-items: center; gap: 5px; font-size: .72rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; white-space: nowrap; }
.im-status-chip svg { width: 12px; height: 12px; }
.im-status-chip.im-valid { background: var(--im-success-tint); color: var(--im-success-ink); }
.im-status-chip.im-error { background: var(--im-danger-tint); color: var(--im-danger-ink); }
.im-status-chip.im-pending { background: var(--im-accent-tint); color: var(--im-accent); }
.im-status-chip.im-processing { background: var(--im-accent-tint); color: var(--im-accent); animation: im-pulse-chip 1.4s ease-in-out infinite; }

.im-row-error { background-color: var(--im-danger-tint) !important; }
.im-row-warn { background-color: var(--im-warning-tint) !important; }
.im-row-processing { background-color: var(--im-accent-tint) !important; }

/* pulsanti a pillola, coerenti col resto della direzione grafica */
.im-scope .mud-button-root { border-radius: 999px !important; }

.im-confirm-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 24px; align-items: start; }
@media (max-width: 760px) { .im-confirm-grid { grid-template-columns: 1fr; } }

/* ---------- step 4: corriere + riepilogo ---------- */
.im-courier-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 12px; }
.im-courier-card { display: flex; align-items: center; gap: 12px; padding: 13px 15px; border-radius: var(--im-radius-sm); border: 1.5px solid var(--im-border); background: var(--im-surface); cursor: pointer; transition: all .15s; text-align: left; width: 100%; font-family: inherit; }
.im-courier-card:hover { border-color: var(--im-accent); }
.im-courier-badge { width: 40px; height: 40px; border-radius: 11px; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: .88rem; color: #fff; flex: none; }
.im-courier-card .im-cname { font-weight: 700; font-size: .86rem; display: block; }
.im-courier-card .im-cnote { font-size: .72rem; color: var(--im-ink-faint); }
.im-courier-card.im-selected { border-color: var(--im-accent); background: var(--im-accent-tint); box-shadow: 0 0 0 3px var(--im-accent-tint-strong); }
.im-courier-check { margin-left: auto; width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--im-border); flex: none; display: flex; align-items: center; justify-content: center; color: #fff; transition: all .15s; }
.im-courier-card.im-selected .im-courier-check { background: var(--im-accent); border-color: var(--im-accent); }
.im-courier-check svg { width: 11px; height: 11px; opacity: 0; transition: opacity .15s; }
.im-courier-card.im-selected .im-courier-check svg { opacity: 1; }

.im-summary-card { background: var(--im-surface-2); border: 1px solid var(--im-border); border-radius: var(--im-radius-sm); padding: 18px; }
.im-summary-card h4 { font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; color: var(--im-ink-faint); font-weight: 700; margin: 0 0 12px; }
.im-summary-row { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--im-border); font-size: .85rem; }
.im-summary-row:last-of-type { border-bottom: none; }
.im-summary-row .im-sv { font-weight: 700; font-variant-numeric: tabular-nums; }
.im-summary-note { display: flex; gap: 8px; align-items: flex-start; margin-top: 12px; font-size: .74rem; color: var(--im-ink-faint); }
.im-summary-note svg { width: 14px; height: 14px; flex: none; margin-top: 1px; }

/* ---------- loader di elaborazione (pagina dettaglio) ---------- */
.im-processing-hero { position: relative; display: flex; align-items: center; gap: 22px; padding: 26px 30px; border-radius: var(--im-radius); background: linear-gradient(135deg, var(--im-accent-tint), transparent 65%); border: 1px solid var(--im-accent-tint-strong); overflow: hidden; margin-bottom: 20px; }
.im-processing-orbit { position: relative; width: 64px; height: 64px; flex: none; display: flex; align-items: center; justify-content: center; }
.im-processing-orbit .ring { position: absolute; inset: 0; border-radius: 50%; border: 3px solid var(--im-accent-tint-strong); border-top-color: var(--im-accent); animation: im-spin 1s linear infinite; }
.im-processing-orbit .core { width: 30px; height: 30px; border-radius: 50%; background: var(--im-surface); color: var(--im-accent); display: flex; align-items: center; justify-content: center; box-shadow: var(--im-shadow-sm); }
.im-processing-orbit .core svg { width: 16px; height: 16px; }
.im-processing-copy h3 { font-size: 1.05rem; font-weight: 700; margin: 0 0 3px; }
.im-processing-copy p { margin: 0; color: var(--im-ink-soft); font-size: .85rem; }
.im-processing-copy .im-live-count { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--im-accent); }
.im-processing-shimmer { position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgba(var(--mud-palette-primary-rgb), .10), transparent); animation: im-shimmer 2.2s ease-in-out infinite; pointer-events: none; }

@keyframes im-spin { to { transform: rotate(360deg); } }
@keyframes im-shimmer { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }
@keyframes im-pulse-chip { 0%, 100% { opacity: 1; } 50% { opacity: .55; } }
@keyframes im-pulse-dot { 0%, 100% { box-shadow: 0 0 0 0 rgba(var(--mud-palette-primary-rgb), .45); } 70% { box-shadow: 0 0 0 8px rgba(var(--mud-palette-primary-rgb), 0); } }

.im-live-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--im-accent); margin-right: 6px; animation: im-pulse-dot 1.6s ease-in-out infinite; }

@media (prefers-reduced-motion: reduce) {
    .im-processing-orbit .ring, .im-processing-shimmer, .im-status-chip.im-processing, .im-live-dot { animation: none; }
}