/**
 * IPX203 Calculator - Stili
 * Estetica clinico-editoriale: tipografia raffinata, palette sobria con accenti decisi.
 */

/* === Variabili CSS === */
.ipx203-calc-wrapper {
    --ipx-bg: #faf8f4;
    --ipx-surface: #ffffff;
    --ipx-surface-alt: #f4f1ea;
    --ipx-ink: #1a1a1a;
    --ipx-ink-soft: #4a4a48;
    --ipx-ink-muted: #807d75;
    --ipx-line: #e6e2d8;
    --ipx-line-strong: #c9c3b3;
    --ipx-accent: #3d2817;       /* marrone scuro tipografico */
    --ipx-accent-warm: #b85c3b;  /* terracotta - accento caldo */
    --ipx-accent-cool: #2a4d3a;  /* verde bottiglia - per ok/dosaggio */
    --ipx-warning: #a04020;
    --ipx-warning-bg: #fdf3ee;

    --ipx-radius: 4px;
    --ipx-radius-lg: 8px;
    --ipx-shadow-sm: 0 1px 2px rgba(26, 26, 26, 0.04);
    --ipx-shadow: 0 8px 24px -12px rgba(26, 26, 26, 0.12);

    --ipx-font-display: 'Fraunces', Georgia, serif;
    --ipx-font-body: 'Inter Tight', -apple-system, system-ui, sans-serif;

    font-family: var(--ipx-font-body);
    color: var(--ipx-ink);
    background: var(--ipx-bg);
    max-width: 920px;
    margin: 2rem auto;
    padding: 2.5rem 2rem;
    border: 1px solid var(--ipx-line);
    border-radius: var(--ipx-radius-lg);
    box-shadow: var(--ipx-shadow);
    line-height: 1.55;
    box-sizing: border-box;
}

.ipx203-calc-wrapper *,
.ipx203-calc-wrapper *::before,
.ipx203-calc-wrapper *::after {
    box-sizing: border-box;
}

/* === Header === */
.ipx203-calc-header {
    text-align: left;
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--ipx-line);
}

.ipx203-calc-eyebrow {
    display: inline-block;
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--ipx-accent-warm);
    margin-bottom: 0.75rem;
    padding: 4px 10px;
    background: var(--ipx-warning-bg);
    border-radius: 100px;
}

.ipx203-calc-title {
    font-family: var(--ipx-font-display);
    font-weight: 500;
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    line-height: 1.05;
    margin: 0 0 0.75rem 0;
    color: var(--ipx-ink);
    letter-spacing: -0.02em;
    font-variation-settings: 'opsz' 144;
}

.ipx203-calc-subtitle {
    font-size: 1.05rem;
    color: var(--ipx-ink-soft);
    margin: 0;
    max-width: 60ch;
    line-height: 1.5;
}

/* === Disclaimer === */
.ipx203-disclaimer {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    background: var(--ipx-warning-bg);
    border-left: 3px solid var(--ipx-warning);
    padding: 1rem 1.25rem;
    margin-bottom: 2rem;
    border-radius: 0 var(--ipx-radius) var(--ipx-radius) 0;
}

.ipx203-disclaimer-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--ipx-warning);
    color: #fff;
    font-family: var(--ipx-font-display);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.ipx203-disclaimer-text {
    font-size: 0.92rem;
    color: var(--ipx-ink-soft);
    line-height: 1.5;
}

.ipx203-disclaimer-text strong {
    color: var(--ipx-warning);
    font-weight: 600;
}

/* === Step === */
.ipx203-step {
    margin-bottom: 2.5rem;
}

.ipx203-step-header {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--ipx-line);
}

.ipx203-step-number {
    font-family: var(--ipx-font-display);
    font-weight: 600;
    font-size: 1.5rem;
    color: var(--ipx-accent-warm);
    font-variation-settings: 'opsz' 144;
    letter-spacing: -0.02em;
}

.ipx203-step-title {
    font-family: var(--ipx-font-display);
    font-weight: 500;
    font-size: 1.4rem;
    margin: 0;
    color: var(--ipx-ink);
    font-variation-settings: 'opsz' 72;
}

/* === Scenario Cards === */
.ipx203-scenarios {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.85rem;
}

.ipx203-scenario-card {
    position: relative;
    cursor: pointer;
    background: var(--ipx-surface);
    border: 1.5px solid var(--ipx-line);
    border-radius: var(--ipx-radius);
    padding: 1.25rem 1.25rem 1rem;
    transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
}

.ipx203-scenario-card:hover {
    border-color: var(--ipx-line-strong);
    transform: translateY(-2px);
    box-shadow: var(--ipx-shadow-sm);
}

.ipx203-scenario-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.ipx203-scenario-card:has(input[type="radio"]:checked) {
    border-color: var(--ipx-accent);
    background: var(--ipx-surface-alt);
    box-shadow: 0 0 0 3px rgba(61, 40, 23, 0.08);
}

.ipx203-scenario-card:has(input[type="radio"]:focus-visible) {
    outline: 2px solid var(--ipx-accent-warm);
    outline-offset: 2px;
}

.ipx203-scenario-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--ipx-ink);
    color: #fff;
    font-family: var(--ipx-font-display);
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 50%;
    margin-bottom: 0.85rem;
}

.ipx203-scenario-card:has(input[type="radio"]:checked) .ipx203-scenario-tag {
    background: var(--ipx-accent-warm);
}

.ipx203-scenario-content h4 {
    font-family: var(--ipx-font-display);
    font-weight: 500;
    font-size: 1.02rem;
    line-height: 1.25;
    margin: 0 0 0.35rem 0;
    color: var(--ipx-ink);
    font-variation-settings: 'opsz' 36;
}

.ipx203-scenario-content p {
    font-size: 0.82rem;
    color: var(--ipx-ink-muted);
    margin: 0;
    line-height: 1.4;
}

/* === Form === */
.ipx203-form {
    background: var(--ipx-surface);
    border: 1px solid var(--ipx-line);
    border-radius: var(--ipx-radius);
    padding: 1.5rem;
}

.ipx203-form-help {
    font-size: 0.95rem;
    color: var(--ipx-ink-soft);
    margin: 0 0 1.5rem 0;
    line-height: 1.55;
    padding: 0.85rem 1rem;
    background: var(--ipx-surface-alt);
    border-radius: var(--ipx-radius);
    border-left: 3px solid var(--ipx-accent-cool);
}

.ipx203-form-help strong {
    color: var(--ipx-ink);
    font-weight: 600;
}

.ipx203-field-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.ipx203-field {
    display: flex;
    flex-direction: column;
}

.ipx203-field label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ipx-ink);
    margin-bottom: 0.45rem;
    letter-spacing: -0.005em;
}

.ipx203-field input[type="number"],
.ipx203-field select {
    font-family: var(--ipx-font-body);
    font-size: 0.95rem;
    padding: 0.7rem 0.85rem;
    border: 1.5px solid var(--ipx-line-strong);
    border-radius: var(--ipx-radius);
    background: var(--ipx-surface);
    color: var(--ipx-ink);
    transition: border-color 0.18s;
    width: 100%;
}

.ipx203-field input[type="number"]:focus,
.ipx203-field select:focus {
    outline: none;
    border-color: var(--ipx-accent);
    box-shadow: 0 0 0 3px rgba(61, 40, 23, 0.1);
}

.ipx203-field-hint {
    font-size: 0.78rem;
    color: var(--ipx-ink-muted);
    margin-top: 0.4rem;
    line-height: 1.4;
}

/* === Bottoni === */
.ipx203-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--ipx-font-body);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.8rem 1.6rem;
    border-radius: var(--ipx-radius);
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    line-height: 1;
    letter-spacing: -0.005em;
}

.ipx203-btn-primary {
    background: var(--ipx-ink);
    color: #fff;
    border-color: var(--ipx-ink);
}

.ipx203-btn-primary:hover {
    background: var(--ipx-accent);
    border-color: var(--ipx-accent);
    transform: translateY(-1px);
    box-shadow: var(--ipx-shadow-sm);
}

.ipx203-btn-secondary {
    background: var(--ipx-surface);
    color: var(--ipx-ink);
    border-color: var(--ipx-line-strong);
}

.ipx203-btn-secondary:hover {
    border-color: var(--ipx-ink);
    background: var(--ipx-surface-alt);
}

.ipx203-btn-ghost {
    background: transparent;
    color: var(--ipx-ink-soft);
    border-color: var(--ipx-line);
}

.ipx203-btn-ghost:hover {
    color: var(--ipx-ink);
    border-color: var(--ipx-line-strong);
    background: var(--ipx-surface-alt);
}

.ipx203-btn-arrow {
    transition: transform 0.18s;
}

.ipx203-btn:hover .ipx203-btn-arrow {
    transform: translateX(3px);
}

/* === Risultato === */
.ipx203-result {
    background: var(--ipx-surface);
    border: 1.5px solid var(--ipx-accent-cool);
    border-radius: var(--ipx-radius-lg);
    overflow: hidden;
    box-shadow: var(--ipx-shadow);
}

.ipx203-result-header {
    background: var(--ipx-accent-cool);
    color: #fff;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.ipx203-result-header-label {
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 600;
    opacity: 0.85;
}

.ipx203-result-header-frequency {
    font-family: var(--ipx-font-display);
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
}

.ipx203-result-body {
    padding: 1.75rem 1.5rem;
}

.ipx203-result-dose {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px dashed var(--ipx-line-strong);
    flex-wrap: wrap;
}

.ipx203-result-dose-value {
    font-family: var(--ipx-font-display);
    font-weight: 600;
    font-size: clamp(2.5rem, 6vw, 3.75rem);
    line-height: 1;
    color: var(--ipx-ink);
    letter-spacing: -0.03em;
    font-variation-settings: 'opsz' 144;
}

.ipx203-result-dose-unit {
    font-family: var(--ipx-font-display);
    font-weight: 400;
    font-size: 1.5rem;
    color: var(--ipx-ink-muted);
    letter-spacing: -0.01em;
}

.ipx203-result-dose-label {
    font-size: 0.85rem;
    color: var(--ipx-ink-soft);
    margin-left: auto;
    text-align: right;
    max-width: 220px;
}

.ipx203-result-capsules {
    margin-bottom: 1.5rem;
}

.ipx203-result-capsules-label {
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ipx-ink-muted);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.ipx203-capsule-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.ipx203-capsule {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.85rem;
    background: var(--ipx-surface-alt);
    border: 1px solid var(--ipx-line-strong);
    border-radius: 100px;
    font-size: 0.88rem;
    font-weight: 500;
}

.ipx203-capsule-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.ipx203-capsule-dot[data-color="140"] { background: linear-gradient(90deg, #d4a73a 50%, #fff 50%); border: 1px solid var(--ipx-line-strong); }
.ipx203-capsule-dot[data-color="210"] { background: linear-gradient(90deg, #4a7c59 50%, #fff 50%); border: 1px solid var(--ipx-line-strong); }
.ipx203-capsule-dot[data-color="280"] { background: linear-gradient(90deg, #6b4480 50%, #fff 50%); border: 1px solid var(--ipx-line-strong); }
.ipx203-capsule-dot[data-color="350"] { background: linear-gradient(90deg, #c87133 50%, #fff 50%); border: 1px solid var(--ipx-line-strong); }

.ipx203-result-schedule {
    margin-bottom: 1.5rem;
}

.ipx203-schedule-label {
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ipx-ink-muted);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.ipx203-schedule-times {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.ipx203-schedule-time {
    padding: 0.5rem 0.95rem;
    background: var(--ipx-ink);
    color: #fff;
    border-radius: var(--ipx-radius);
    font-family: var(--ipx-font-display);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: -0.01em;
}

.ipx203-result-detail {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px dashed var(--ipx-line-strong);
}

.ipx203-detail-item {
    display: flex;
    flex-direction: column;
}

.ipx203-detail-key {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ipx-ink-muted);
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.ipx203-detail-value {
    font-family: var(--ipx-font-display);
    font-weight: 500;
    font-size: 1.05rem;
    color: var(--ipx-ink);
    letter-spacing: -0.01em;
}

/* === Calcolo (formula) === */
.ipx203-formula-box {
    background: var(--ipx-surface-alt);
    border: 1px dashed var(--ipx-line-strong);
    border-radius: var(--ipx-radius);
    padding: 1rem 1.25rem;
    margin-top: 1.25rem;
    font-size: 0.88rem;
    color: var(--ipx-ink-soft);
    line-height: 1.6;
}

.ipx203-formula-box-title {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--ipx-accent-warm);
    margin-bottom: 0.5rem;
}

.ipx203-formula {
    font-family: var(--ipx-font-display);
    font-style: italic;
    color: var(--ipx-ink);
}

/* === Note importanti === */
.ipx203-result-warning {
    margin-top: 1.25rem;
    padding: 0.95rem 1.1rem;
    background: var(--ipx-warning-bg);
    border-left: 3px solid var(--ipx-warning);
    border-radius: 0 var(--ipx-radius) var(--ipx-radius) 0;
    font-size: 0.88rem;
    color: var(--ipx-ink-soft);
    line-height: 1.5;
}

.ipx203-result-warning strong {
    color: var(--ipx-warning);
}

/* === Actions === */
.ipx203-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

/* === Follow-up === */
.ipx203-followup {
    background: var(--ipx-surface);
    border: 1px solid var(--ipx-line);
    border-radius: var(--ipx-radius);
    padding: 1.5rem;
    margin-top: 2rem;
}

.ipx203-followup h4 {
    font-family: var(--ipx-font-display);
    font-weight: 500;
    font-size: 1.15rem;
    margin: 0 0 1rem 0;
    color: var(--ipx-ink);
    font-variation-settings: 'opsz' 36;
}

.ipx203-followup ul {
    margin: 0;
    padding-left: 1.25rem;
    font-size: 0.92rem;
    color: var(--ipx-ink-soft);
    line-height: 1.6;
}

.ipx203-followup ul li {
    margin-bottom: 0.5rem;
}

.ipx203-followup ul li strong {
    color: var(--ipx-ink);
    font-weight: 600;
}

/* === Footer === */
.ipx203-footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--ipx-line);
}

.ipx203-footer-label {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--ipx-ink-muted);
    margin-bottom: 0.5rem;
}

.ipx203-footer-citation {
    font-family: var(--ipx-font-display);
    font-size: 0.88rem;
    color: var(--ipx-ink-soft);
    margin: 0;
    line-height: 1.5;
    font-variation-settings: 'opsz' 14;
}

.ipx203-footer-citation em {
    color: var(--ipx-ink);
}

/* === Utility === */
.ipx203-hidden {
    display: none !important;
}

.ipx203-fade-in {
    animation: ipx203FadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes ipx203FadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === Responsive === */
@media (max-width: 640px) {
    .ipx203-calc-wrapper {
        margin: 1rem;
        padding: 1.5rem 1.25rem;
    }

    .ipx203-scenarios {
        grid-template-columns: 1fr;
    }

    .ipx203-field-grid {
        grid-template-columns: 1fr;
    }

    .ipx203-result-dose {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .ipx203-result-dose-label {
        margin-left: 0;
        text-align: left;
    }

    .ipx203-actions {
        flex-direction: column;
    }

    .ipx203-actions .ipx203-btn {
        justify-content: center;
        width: 100%;
    }
}

/* === Print === */
@media print {
    .ipx203-calc-wrapper {
        max-width: 100%;
        margin: 0;
        padding: 0;
        border: none;
        box-shadow: none;
        background: #fff;
    }

    .ipx203-step:not(#ipx203-step-3),
    .ipx203-actions,
    .ipx203-disclaimer {
        display: none !important;
    }

    .ipx203-result {
        border: 2px solid #000;
        page-break-inside: avoid;
    }

    .ipx203-result-header {
        background: #000 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}

/* ════════════════════════════════════════════════════════════
   SEZIONE CASI LIMITE — Tab system & motore euristico
   ════════════════════════════════════════════════════════════ */

/* === Tab Navigation === */
.ipx203-tabs {
    display: flex;
    gap: 0;
    background: var(--ipx-surface-alt);
    border: 1px solid var(--ipx-line);
    border-radius: var(--ipx-radius);
    padding: 4px;
    margin-bottom: 2.5rem;
}

.ipx203-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0.15rem;
    padding: 0.85rem 1.25rem;
    background: transparent;
    border: 1.5px solid transparent;
    border-radius: var(--ipx-radius);
    cursor: pointer;
    font-family: var(--ipx-font-body);
    color: var(--ipx-ink-muted);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
    position: relative;
}

.ipx203-tab:hover {
    background: rgba(255, 255, 255, 0.5);
    color: var(--ipx-ink-soft);
}

.ipx203-tab-active {
    background: var(--ipx-surface) !important;
    color: var(--ipx-ink) !important;
    border-color: var(--ipx-line-strong) !important;
    box-shadow: var(--ipx-shadow-sm);
}

.ipx203-tab-active::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--ipx-accent-warm);
    border-radius: 0 2px 2px 0;
}

.ipx203-tab-icon {
    font-size: 1.15rem;
    line-height: 1;
    color: var(--ipx-accent-warm);
    margin-bottom: 0.15rem;
}

.ipx203-tab-label {
    font-family: var(--ipx-font-display);
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: -0.01em;
    line-height: 1.1;
}

.ipx203-tab-sub {
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--ipx-ink-muted);
    font-weight: 500;
}

/* === Tab Panels === */
.ipx203-tab-panel { display: none; }
.ipx203-tab-panel-active { display: block; animation: ipx203FadeIn 0.4s ease; }

/* === Edge Cases Intro === */
.ipx203-edge-intro {
    background: linear-gradient(135deg, var(--ipx-surface) 0%, var(--ipx-surface-alt) 100%);
    border: 1px solid var(--ipx-line);
    border-radius: var(--ipx-radius-lg);
    padding: 2rem;
    margin-bottom: 2.5rem;
    position: relative;
    overflow: hidden;
}

.ipx203-edge-intro::before {
    content: '';
    position: absolute;
    top: -40px; right: -40px;
    width: 180px; height: 180px;
    background: radial-gradient(circle, rgba(184, 92, 59, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.ipx203-edge-intro-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2rem;
    align-items: center;
    position: relative;
}

.ipx203-edge-intro-title {
    font-family: var(--ipx-font-display);
    font-weight: 500;
    font-size: 1.4rem;
    margin: 0 0 0.85rem 0;
    color: var(--ipx-ink);
    letter-spacing: -0.015em;
    line-height: 1.2;
    font-variation-settings: 'opsz' 72;
}

.ipx203-edge-intro-text p {
    font-size: 0.95rem;
    color: var(--ipx-ink-soft);
    line-height: 1.6;
    margin: 0 0 0.75rem 0;
}

.ipx203-edge-intro-text p:last-child { margin-bottom: 0; }

.ipx203-edge-intro-text strong {
    color: var(--ipx-ink);
    font-weight: 600;
}

.ipx203-edge-intro-stats {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.ipx203-edge-stat {
    text-align: center;
    padding: 0.6rem 1rem;
    background: var(--ipx-surface);
    border: 1px solid var(--ipx-line);
    border-radius: var(--ipx-radius);
    min-width: 110px;
}

.ipx203-edge-stat-value {
    font-family: var(--ipx-font-display);
    font-weight: 600;
    font-size: 1.85rem;
    color: var(--ipx-accent-warm);
    line-height: 1;
    font-variation-settings: 'opsz' 144;
    letter-spacing: -0.02em;
}

.ipx203-edge-stat-label {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ipx-ink-muted);
    font-weight: 600;
    margin-top: 0.25rem;
}

/* === Textarea === */
.ipx203-edge-textarea-wrapper {
    margin-bottom: 1.5rem;
}

.ipx203-edge-textarea-label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ipx-ink);
    margin-bottom: 0.6rem;
}

.ipx203-edge-textarea-hint {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--ipx-ink-muted);
}

#ipx203-edge-textarea {
    width: 100%;
    font-family: var(--ipx-font-body);
    font-size: 0.95rem;
    line-height: 1.55;
    padding: 1rem 1.1rem;
    border: 1.5px solid var(--ipx-line-strong);
    border-radius: var(--ipx-radius);
    background: var(--ipx-surface);
    color: var(--ipx-ink);
    resize: vertical;
    min-height: 140px;
    transition: border-color 0.18s, box-shadow 0.18s;
    box-sizing: border-box;
}

#ipx203-edge-textarea:focus {
    outline: none;
    border-color: var(--ipx-accent);
    box-shadow: 0 0 0 3px rgba(61, 40, 23, 0.1);
}

#ipx203-edge-textarea::placeholder {
    color: var(--ipx-ink-muted);
    font-style: italic;
}

.ipx203-edge-textarea-footer {
    display: flex;
    justify-content: flex-end;
    margin-top: 0.4rem;
}

.ipx203-edge-char-counter {
    font-size: 0.78rem;
    color: var(--ipx-ink-muted);
    font-weight: 500;
}

.ipx203-edge-counter-low { color: var(--ipx-warning); }

/* === Esempi pre-compilati === */
.ipx203-edge-examples {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 0.85rem 1rem;
    background: var(--ipx-surface-alt);
    border-radius: var(--ipx-radius);
    border: 1px dashed var(--ipx-line-strong);
}

.ipx203-edge-examples-label {
    font-size: 0.78rem;
    color: var(--ipx-ink-muted);
    font-weight: 600;
    letter-spacing: 0.02em;
    width: 100%;
    margin-bottom: 0.25rem;
}

.ipx203-edge-example {
    font-family: var(--ipx-font-body);
    font-size: 0.82rem;
    font-weight: 500;
    padding: 0.4rem 0.85rem;
    background: var(--ipx-surface);
    border: 1px solid var(--ipx-line-strong);
    border-radius: 100px;
    color: var(--ipx-ink-soft);
    cursor: pointer;
    transition: all 0.18s;
}

.ipx203-edge-example:hover {
    background: var(--ipx-ink);
    color: #fff;
    border-color: var(--ipx-ink);
    transform: translateY(-1px);
}

/* === Result Container === */
.ipx203-edge-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 0.75rem 1rem;
    background: var(--ipx-surface-alt);
    border-radius: var(--ipx-radius);
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--ipx-ink-soft);
}

.ipx203-edge-meta-item strong {
    color: var(--ipx-accent-warm);
    font-family: var(--ipx-font-display);
    font-size: 1.05rem;
    font-weight: 600;
    margin-right: 0.25rem;
}

/* === Edge Card === */
.ipx203-edge-card {
    background: var(--ipx-surface);
    border: 1.5px solid var(--ipx-line);
    border-radius: var(--ipx-radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    position: relative;
    transition: box-shadow 0.2s;
}

.ipx203-edge-card:hover {
    box-shadow: var(--ipx-shadow);
}

.ipx203-edge-card-high { border-color: var(--ipx-accent-cool); }
.ipx203-edge-card-medium { border-color: var(--ipx-accent-warm); }
.ipx203-edge-card-low { border-color: var(--ipx-line-strong); }

.ipx203-edge-card-header {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1.25rem;
    align-items: flex-start;
    margin-bottom: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px dashed var(--ipx-line-strong);
}

.ipx203-edge-card-rank {
    font-family: var(--ipx-font-display);
    font-weight: 600;
    font-size: 1.3rem;
    color: var(--ipx-ink-muted);
    background: var(--ipx-surface-alt);
    padding: 0.4rem 0.7rem;
    border-radius: var(--ipx-radius);
    line-height: 1;
    font-variation-settings: 'opsz' 72;
}

.ipx203-edge-card-title-block {
    min-width: 0;
}

.ipx203-edge-card-title {
    font-family: var(--ipx-font-display);
    font-weight: 500;
    font-size: 1.15rem;
    margin: 0 0 0.4rem 0;
    color: var(--ipx-ink);
    letter-spacing: -0.01em;
    line-height: 1.25;
    font-variation-settings: 'opsz' 36;
}

.ipx203-edge-card-desc {
    font-size: 0.88rem;
    color: var(--ipx-ink-soft);
    margin: 0;
    line-height: 1.5;
}

.ipx203-edge-card-confidence {
    text-align: center;
    background: var(--ipx-surface-alt);
    padding: 0.6rem 1rem;
    border-radius: var(--ipx-radius);
    border: 1px solid var(--ipx-line);
    min-width: 88px;
}

.ipx203-edge-card-high .ipx203-edge-card-confidence {
    background: rgba(42, 77, 58, 0.08);
    border-color: var(--ipx-accent-cool);
}
.ipx203-edge-card-medium .ipx203-edge-card-confidence {
    background: rgba(184, 92, 59, 0.08);
    border-color: var(--ipx-accent-warm);
}

.ipx203-edge-confidence-value {
    font-family: var(--ipx-font-display);
    font-weight: 600;
    font-size: 1.85rem;
    line-height: 1;
    color: var(--ipx-ink);
    font-variation-settings: 'opsz' 144;
    letter-spacing: -0.02em;
}

.ipx203-edge-card-high .ipx203-edge-confidence-value { color: var(--ipx-accent-cool); }
.ipx203-edge-card-medium .ipx203-edge-confidence-value { color: var(--ipx-accent-warm); }

.ipx203-edge-confidence-pct {
    font-size: 0.95rem;
    font-weight: 500;
    margin-left: 1px;
    color: var(--ipx-ink-muted);
}

.ipx203-edge-confidence-label {
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ipx-ink-muted);
    font-weight: 600;
    margin-top: 0.25rem;
}

/* === Keywords matched === */
.ipx203-edge-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px dashed var(--ipx-line-strong);
}

.ipx203-edge-keywords-label {
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ipx-ink-muted);
    font-weight: 600;
    margin-right: 0.4rem;
}

.ipx203-edge-keyword-chip {
    font-size: 0.78rem;
    padding: 0.25rem 0.6rem;
    background: var(--ipx-warning-bg);
    border: 1px solid var(--ipx-accent-warm);
    color: var(--ipx-accent-warm);
    border-radius: 100px;
    font-weight: 500;
    font-style: italic;
}

/* === Soluzioni === */
.ipx203-edge-solutions-title {
    font-family: var(--ipx-font-display);
    font-weight: 500;
    font-size: 1rem;
    margin: 0 0 1rem 0;
    color: var(--ipx-ink);
    font-variation-settings: 'opsz' 36;
}

.ipx203-edge-solution {
    padding: 1rem 1.1rem;
    margin-bottom: 0.75rem;
    background: var(--ipx-surface-alt);
    border-radius: var(--ipx-radius);
    border-left: 4px solid;
}

.ipx203-edge-solution-a { border-left-color: var(--ipx-accent-cool); }
.ipx203-edge-solution-b { border-left-color: var(--ipx-accent-warm); }
.ipx203-edge-solution-c {
    border-left-color: var(--ipx-ink-muted);
    background: repeating-linear-gradient(
        45deg,
        var(--ipx-surface-alt),
        var(--ipx-surface-alt) 8px,
        rgba(0, 0, 0, 0.015) 8px,
        rgba(0, 0, 0, 0.015) 16px
    );
}

.ipx203-edge-solution-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.ipx203-edge-solution-level {
    font-size: 0.68rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 700;
    padding: 0.2rem 0.55rem;
    border-radius: 100px;
}

.ipx203-edge-solution-a .ipx203-edge-solution-level {
    background: var(--ipx-accent-cool);
    color: #fff;
}

.ipx203-edge-solution-b .ipx203-edge-solution-level {
    background: var(--ipx-accent-warm);
    color: #fff;
}

.ipx203-edge-solution-c .ipx203-edge-solution-level {
    background: var(--ipx-ink);
    color: #fff;
}

.ipx203-edge-solution-prob {
    font-family: var(--ipx-font-display);
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--ipx-ink);
    letter-spacing: -0.01em;
}

.ipx203-edge-probbar {
    width: 100%;
    height: 4px;
    background: var(--ipx-line);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.6rem;
}

.ipx203-edge-probbar-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.ipx203-edge-solution-a .ipx203-edge-probbar-fill { background: var(--ipx-accent-cool); }
.ipx203-edge-solution-b .ipx203-edge-probbar-fill { background: var(--ipx-accent-warm); }
.ipx203-edge-solution-c .ipx203-edge-probbar-fill {
    background: repeating-linear-gradient(
        90deg,
        var(--ipx-ink-muted) 0,
        var(--ipx-ink-muted) 4px,
        var(--ipx-ink) 4px,
        var(--ipx-ink) 8px
    );
}

.ipx203-edge-solution-text {
    font-size: 0.92rem;
    color: var(--ipx-ink);
    line-height: 1.55;
    margin: 0 0 0.5rem 0;
}

.ipx203-edge-solution-source {
    font-size: 0.78rem;
    color: var(--ipx-ink-muted);
    margin: 0;
    line-height: 1.4;
}

.ipx203-edge-solution-source em {
    font-weight: 600;
    color: var(--ipx-ink-soft);
}

/* === Empty state === */
.ipx203-edge-empty {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: var(--ipx-surface-alt);
    border: 1px dashed var(--ipx-line-strong);
    border-radius: var(--ipx-radius);
}

.ipx203-edge-empty h4 {
    font-family: var(--ipx-font-display);
    font-weight: 500;
    margin: 0 0 0.75rem 0;
    color: var(--ipx-ink);
    font-size: 1.1rem;
}

.ipx203-edge-empty p {
    color: var(--ipx-ink-soft);
    font-size: 0.92rem;
    margin: 0 auto 0.85rem;
    max-width: 50ch;
    line-height: 1.55;
}

.ipx203-edge-empty ul {
    text-align: left;
    max-width: 480px;
    margin: 0 auto;
    padding-left: 1.5rem;
    font-size: 0.88rem;
    color: var(--ipx-ink-soft);
    line-height: 1.7;
}

.ipx203-edge-error {
    padding: 1rem 1.25rem;
    background: var(--ipx-warning-bg);
    border-left: 3px solid var(--ipx-warning);
    border-radius: 0 var(--ipx-radius) var(--ipx-radius) 0;
    color: var(--ipx-ink-soft);
    font-size: 0.9rem;
}

.ipx203-edge-error strong { color: var(--ipx-warning); }

/* === Metodologia === */
.ipx203-edge-method {
    margin-top: 2rem;
    padding: 0;
}

.ipx203-edge-method details {
    background: var(--ipx-surface-alt);
    border: 1px solid var(--ipx-line);
    border-radius: var(--ipx-radius);
    overflow: hidden;
}

.ipx203-edge-method summary {
    padding: 0.85rem 1.25rem;
    cursor: pointer;
    font-weight: 600;
    color: var(--ipx-ink-soft);
    font-size: 0.88rem;
    user-select: none;
    transition: background 0.18s;
}

.ipx203-edge-method summary:hover {
    background: var(--ipx-surface);
}

.ipx203-edge-method-content {
    padding: 0.5rem 1.25rem 1.25rem;
    font-size: 0.85rem;
    color: var(--ipx-ink-soft);
    line-height: 1.6;
    border-top: 1px dashed var(--ipx-line-strong);
}

.ipx203-edge-method-content p {
    margin: 0.85rem 0 0.5rem;
}

.ipx203-edge-method-content ol {
    padding-left: 1.5rem;
    margin: 0.5rem 0;
}

.ipx203-edge-method-content li {
    margin-bottom: 0.4rem;
}

.ipx203-edge-method-content em {
    color: var(--ipx-accent-warm);
    font-weight: 500;
}

.ipx203-edge-method-content strong {
    color: var(--ipx-ink);
    font-weight: 600;
}

/* === Warning specifico per livello C === */
.ipx203-edge-warning {
    margin-top: 2rem;
    padding: 1.25rem 1.5rem;
    background: var(--ipx-warning-bg);
    border: 1px solid var(--ipx-warning);
    border-radius: var(--ipx-radius);
}

.ipx203-edge-warning-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.6rem;
    font-family: var(--ipx-font-display);
    font-size: 1rem;
    color: var(--ipx-warning);
    font-variation-settings: 'opsz' 36;
}

.ipx203-edge-warning-icon {
    font-size: 1.3rem;
    line-height: 1;
}

.ipx203-edge-warning p {
    margin: 0;
    font-size: 0.88rem;
    color: var(--ipx-ink-soft);
    line-height: 1.55;
}

.ipx203-edge-warning strong {
    color: var(--ipx-ink);
    font-weight: 600;
}

/* === Responsive — Casi limite === */
@media (max-width: 720px) {
    .ipx203-edge-intro-grid {
        grid-template-columns: 1fr;
    }
    .ipx203-edge-intro-stats {
        flex-direction: row;
        justify-content: space-between;
    }
    .ipx203-edge-stat {
        flex: 1;
    }
    .ipx203-edge-card-header {
        grid-template-columns: auto 1fr;
    }
    .ipx203-edge-card-confidence {
        grid-column: 1 / -1;
        margin-top: 0.5rem;
    }
    .ipx203-tabs {
        flex-direction: column;
        gap: 4px;
    }
    .ipx203-tab-active::before {
        height: 3px;
        width: 60%;
        left: 50%;
        top: 0;
        transform: translateX(-50%);
    }
}