/**
 * Calcolo Bolletta - Frontend Styles
 * All classes prefixed with cb- to avoid theme conflicts
 */

:root {
    --cb-primary: #0a4d68;
    --cb-primary-mid: #088395;
    --cb-primary-light: #05bfdb;
    --cb-primary-pale: #e0f7fa;
    --cb-white: #ffffff;
    --cb-text-dark: #1a2e35;
    --cb-text-mid: #4a6670;
    --cb-shadow-soft: 0 4px 20px rgba(10, 77, 104, 0.12);
    --cb-shadow-float: 0 8px 32px rgba(10, 77, 104, 0.18);
    --cb-radius-soft: 20px;
    --cb-radius-pill: 50px;
}

.cb-calcolo-container {
    max-width: var(--cb-max-width, 600px);
    margin: 0 auto;
    padding: 20px;
}

.cb-calcolo-card {
    background: var(--cb-white);
    border-radius: var(--cb-radius-soft);
    box-shadow: var(--cb-shadow-soft);
    padding: 40px;
    position: relative;
    overflow: hidden;
}

/* Top accent border */
.cb-calcolo-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg,
        var(--cb-primary) 0%,
        var(--cb-primary-mid) 33%,
        var(--cb-primary-light) 66%,
        var(--cb-primary-mid) 100%);
}

/* Header */
.cb-calcolo-header {
    text-align: center;
    margin-bottom: 36px;
}

.cb-calcolo-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--cb-primary);
    margin: 0 0 8px 0;
    letter-spacing: -0.02em;
}

.cb-calcolo-desc {
    color: var(--cb-text-mid);
    font-size: 0.95rem;
    margin: 0;
}

/* Steps indicator (decorative) */
.cb-steps-indicator {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
}

.cb-step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--cb-primary-pale);
    border: 2px solid var(--cb-primary-light);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cb-step-dot.active {
    background: var(--cb-primary-mid);
    border-color: var(--cb-primary-mid);
    transform: scale(1.2);
}

.cb-step-dot.completed {
    background: var(--cb-primary);
    border-color: var(--cb-primary);
}

/* Form sections */
.cb-form-section {
    margin-bottom: 28px;
}

.cb-form-section label,
.cb-form-section legend {
    display: block;
    font-weight: 500;
    color: var(--cb-primary);
    margin-bottom: 12px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Fieldset reset */
.cb-form-section fieldset {
    border: none;
    padding: 0;
    margin: 0;
}

/* Select wrapper */
.cb-select-wrapper {
    position: relative;
}

.cb-select-wrapper::after {
    content: '';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 8px solid var(--cb-primary-mid);
    pointer-events: none;
    transition: transform 0.3s ease;
}

.cb-select-wrapper:focus-within::after {
    transform: translateY(-50%) rotate(180deg);
}

.cb-comune-select,
.cb-fornitura-select {
    width: 100%;
    padding: 16px 50px 16px 20px;
    font-size: 1rem;
    border: 2px solid var(--cb-primary-mid);
    border-radius: var(--cb-radius-pill);
    background: var(--cb-white);
    color: var(--cb-text-dark);
    cursor: pointer;
    appearance: none;
    transition: all 0.3s ease;
}

.cb-comune-select:hover,
.cb-fornitura-select:hover {
    border-color: var(--cb-primary-light);
}

.cb-comune-select:focus,
.cb-fornitura-select:focus {
    outline: 2px solid var(--cb-primary-mid);
    outline-offset: 2px;
    border-color: var(--cb-primary-mid);
    box-shadow: 0 0 0 4px rgba(8, 131, 149, 0.15);
}

.cb-fornitura-select:disabled {
    background: #f5f5f5;
    color: #6b7280;
    cursor: not-allowed;
}

/* Fornitura section */
.cb-fornitura-section {
    opacity: 0.4;
    transition: all 0.5s ease;
}

.cb-fornitura-section[aria-disabled="true"] {
    pointer-events: none;
}

.cb-fornitura-section.active {
    opacity: 1;
}

.cb-fornitura-section.active[aria-disabled="false"] {
    pointer-events: auto;
}

.cb-fornitura-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.cb-fornitura-placeholder {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--cb-text-mid);
    font-size: 0.9rem;
    padding: 20px;
    margin: 0;
}

.cb-fornitura-loading {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--cb-primary-mid);
    font-size: 0.9rem;
    padding: 20px;
}

/* Visually hidden radio inputs */
.cb-fornitura-radio {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.cb-fornitura-label {
    display: block;
    position: relative;
    padding: 18px 16px;
    background: var(--cb-white);
    border: 2px solid var(--cb-primary-mid);
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
}

.cb-fornitura-label:hover {
    border-color: var(--cb-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--cb-shadow-soft);
}

.cb-fornitura-radio:checked + .cb-fornitura-label {
    border-color: var(--cb-primary-mid);
    background: linear-gradient(135deg, var(--cb-primary-pale) 0%, #d4f1f4 100%);
}

.cb-fornitura-radio:checked + .cb-fornitura-label::after {
    content: '✓';
    position: absolute;
    top: 8px;
    right: 10px;
    font-size: 0.75rem;
    color: var(--cb-primary);
    font-weight: 700;
}

.cb-fornitura-radio:focus + .cb-fornitura-label {
    outline: 2px solid var(--cb-primary-mid);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(8, 131, 149, 0.15);
}

.cb-fornitura-name {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--cb-text-dark);
}

/* Consumo section */
.cb-consumo-section {
    opacity: 0.4;
    transition: all 0.5s ease;
}

.cb-consumo-section[aria-disabled="true"] {
    pointer-events: none;
}

.cb-consumo-section.active {
    opacity: 1;
}

.cb-consumo-section.active[aria-disabled="false"] {
    pointer-events: auto;
}

.cb-input-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.cb-consumo-input {
    flex: 1;
    padding: 16px 20px;
    font-size: 1.1rem;
    font-weight: 500;
    border: 2px solid var(--cb-primary-mid);
    border-radius: var(--cb-radius-pill);
    background: var(--cb-white);
    color: var(--cb-text-dark);
    transition: all 0.3s ease;
}

.cb-consumo-input:focus {
    outline: 2px solid var(--cb-primary-mid);
    outline-offset: 2px;
    border-color: var(--cb-primary-mid);
    box-shadow: 0 0 0 4px rgba(8, 131, 149, 0.15);
}

.cb-consumo-input:disabled {
    background: #f5f5f5;
    color: #6b7280;
    cursor: not-allowed;
}

.cb-input-unit {
    font-size: 0.95rem;
    color: var(--cb-text-mid);
    font-weight: 500;
}

/* ---------- Calculate button ----------
 *
 * I selettori sono prefissati con .cb-calcolo-container perché il kit Elementor
 * (.elementor-kit-NN button, e il suo button:focus che ricolora lo sfondo con
 * l'accent) ha specificità maggiore della sola .cb-calcola-btn e vincerebbe su
 * sfondo, bordo e stati.
 *
 * Stati, tutti distinti e sempre attivi:
 *   default         fondo #0D446C, testo bianco, bordo 2px accent
 *   :focus          come default — neutralizza il ricolore del kit
 *   :hover          fondo bianco, testo #0D446C, bordo invariato
 *   :active         hover premuto (fondo appena spento, nessun sollevamento)
 *   :focus-visible  anello accent sopra qualsiasi stato
 */
.cb-calcolo-container .cb-calcola-btn {
    /* Non più a tutta larghezza: display block + margin auto per centrarlo
     * (un button è inline-block, con cui margin:auto non centrerebbe).
     * Sotto i 360px resta fluido e non sfora la card. */
    display: block;
    width: 100%;
    max-width: 360px;
    margin: 32px auto 0;
    padding: 15px 15px 15px 15px;

    font-family: "Titillium Web", Sans-serif;
    font-size: 1.1em;
    font-weight: 700;
    color: var(--cb-white);

    background-color: #0D446C;
    border-style: solid;
    border-width: 2px 2px 2px 2px;
    border-color: var(--e-global-color-accent, #00587A);
    border-radius: 15px 15px 15px 15px;

    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 16px rgba(10, 77, 104, 0.3);
}

/* Il kit Elementor colora il fondo dei button anche in :focus: qui si riporta
 * al default, così il focus da tastiera resta blu con il solo anello. */
.cb-calcolo-container .cb-calcola-btn:not(:disabled):focus {
    background-color: #0D446C;
    color: var(--cb-white);
}

/* Dichiarato dopo :focus, così un bottone insieme focussato e sotto il mouse
 * mostra comunque l'hover. */
.cb-calcolo-container .cb-calcola-btn:not(:disabled):hover {
    background-color: var(--cb-white);
    color: #0D446C;
    border-width: 2px 2px 2px 2px;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(10, 77, 104, 0.4);
}

.cb-calcolo-container .cb-calcola-btn:not(:disabled):active {
    background-color: #e6edf3;
    color: #0D446C;
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(10, 77, 104, 0.3);
}

.cb-calcolo-container .cb-calcola-btn:focus {
    outline: 3px solid var(--e-global-color-accent, #00587A);
    outline-offset: 3px;
}

.cb-calcolo-container .cb-calcola-btn:focus:not(:focus-visible) {
    outline: none;
}

.cb-calcolo-container .cb-calcola-btn:focus-visible {
    outline: 3px solid var(--e-global-color-accent, #00587A);
    outline-offset: 3px;
}

.cb-calcolo-container .cb-calcola-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background-color: #6b7280;
    border-color: #6b7280;
    box-shadow: none;
}

/* Form messages (WCAG 3.3.1/3.3.3 compliance) */
.cb-form-messages {
    margin-bottom: 16px;
}

.cb-message {
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.cb-message[hidden] {
    display: none;
}

.cb-message-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
}

/* Button hint */
.cb-btn-hint {
    text-align: center;
    font-size: 0.85rem;
    color: var(--cb-text-mid);
    margin: 12px 0 0 0;
    min-height: 1.2em;
    transition: opacity 0.3s ease;
}

/* Loading state */
.cb-calcola-btn.cb-loading {
    pointer-events: none;
    opacity: 0.7;
}

/* Result display */
.cb-result-display {
    display: none;
    margin-top: 28px;
    padding: 24px;
    background: linear-gradient(135deg, var(--cb-primary-pale) 0%, #d4f1f4 100%);
    border-radius: 16px;
    text-align: center;
    animation: cb-slideUp 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.cb-result-display.visible {
    display: block;
}

@keyframes cb-slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cb-result-label {
    font-size: 0.85rem;
    color: var(--cb-text-mid);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.cb-result-value {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--cb-primary);
}

/* Error state */
.cb-result-display.cb-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
}

.cb-result-display.cb-error .cb-result-label {
    color: #991b1b;
}

.cb-result-display.cb-error .cb-result-value {
    font-size: 1rem;
    font-weight: 400;
    color: #dc2626;
}

/* Screen reader only / Live region */
.cb-live-region {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ========================================
   FORFAIT SECTIONS
   ======================================== */

/* Servizio section (Domestico Residente) */
.cb-servizio-section {
    opacity: 0.4;
    transition: all 0.5s ease;
}

.cb-servizio-section[aria-disabled="true"] {
    pointer-events: none;
}

.cb-servizio-section.active {
    opacity: 1;
}

.cb-servizio-section.active[aria-disabled="false"] {
    pointer-events: auto;
}

.cb-servizio-hint {
    font-size: 0.8rem;
    color: var(--cb-text-mid);
    margin: 0 0 12px 0;
    font-weight: 400;
    font-style: italic;
}

.cb-servizio-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Checkbox servizio (usato per Domestico - Residenti) */
.cb-servizio-checkbox {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.cb-servizio-label {
    display: flex;
    flex-direction: column;
    padding: 16px 20px;
    background: var(--cb-white);
    border: 2px solid var(--cb-primary-mid);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.cb-servizio-label:hover {
    border-color: var(--cb-primary-light);
    transform: translateX(4px);
}

.cb-servizio-checkbox:checked + .cb-servizio-label {
    border-color: var(--cb-primary-mid);
    background: linear-gradient(135deg, var(--cb-primary-pale) 0%, #d4f1f4 100%);
}

.cb-servizio-checkbox:focus + .cb-servizio-label {
    outline: 2px solid var(--cb-primary-mid);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(8, 131, 149, 0.15);
}

.cb-servizio-name {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--cb-text-dark);
}

.cb-servizio-desc {
    font-size: 0.8rem;
    color: var(--cb-text-mid);
    margin-top: 2px;
}

/* Checkbox fognatura section */
.cb-fognatura-section {
    opacity: 0.4;
    transition: all 0.5s ease;
}

.cb-fognatura-section[aria-disabled="true"] {
    pointer-events: none;
}

.cb-fognatura-section.active {
    opacity: 1;
}

.cb-fognatura-section.active[aria-disabled="false"] {
    pointer-events: auto;
}

.cb-checkbox-wrapper {
    display: flex;
    align-items: center;
}

.cb-checkbox {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.cb-checkbox-label {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: var(--cb-white);
    border: 2px solid var(--cb-primary-mid);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.cb-checkbox-label:hover {
    border-color: var(--cb-primary-light);
}

.cb-checkbox:checked + .cb-checkbox-label {
    border-color: var(--cb-primary-mid);
    background: linear-gradient(135deg, var(--cb-primary-pale) 0%, #d4f1f4 100%);
}

.cb-checkbox:focus + .cb-checkbox-label {
    outline: 2px solid var(--cb-primary-mid);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(8, 131, 149, 0.15);
}

.cb-checkbox-text {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--cb-text-dark);
}

/* Componenti section */
.cb-componenti-section,
.cb-capi-section {
    opacity: 0.4;
    transition: all 0.5s ease;
}

.cb-componenti-section[aria-disabled="true"],
.cb-capi-section[aria-disabled="true"] {
    pointer-events: none;
}

.cb-componenti-section.active,
.cb-capi-section.active {
    opacity: 1;
}

.cb-componenti-section.active[aria-disabled="false"],
.cb-capi-section.active[aria-disabled="false"] {
    pointer-events: auto;
}

.cb-componenti-input,
.cb-capi-input {
    flex: 1;
    padding: 16px 20px;
    font-size: 1.1rem;
    font-weight: 500;
    border: 2px solid var(--cb-primary-mid);
    border-radius: var(--cb-radius-pill);
    background: var(--cb-white);
    color: var(--cb-text-dark);
    transition: all 0.3s ease;
}

.cb-componenti-input:focus,
.cb-capi-input:focus {
    outline: 2px solid var(--cb-primary-mid);
    outline-offset: 2px;
    border-color: var(--cb-primary-mid);
    box-shadow: 0 0 0 4px rgba(8, 131, 149, 0.15);
}

.cb-componenti-input:disabled,
.cb-capi-input:disabled {
    background: #f5f5f5;
    color: #6b7280;
    cursor: not-allowed;
}

.cb-input-hint {
    font-size: 0.95rem;
    color: var(--cb-text-mid);
    font-weight: 500;
}

/* Warnings container */
.cb-warnings-container {
    display: none;
    margin-bottom: 20px;
    padding: 12px 16px;
    background: #fffbeb;
    border: 1px solid #fcd34d;
    border-radius: 10px;
}

.cb-warning-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.85rem;
    color: #92400e;
    padding: 4px 0;
}

.cb-warning-item::before {
    content: '⚠';
    flex-shrink: 0;
}

/* Result warnings */
.cb-result-warnings {
    margin-top: 16px;
}

.cb-result-note {
    font-size: 0.85rem;
    color: var(--cb-text-mid);
    margin-bottom: 8px;
}

.cb-result-warning {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: #92400e;
    background: #fef3c7;
    padding: 6px 12px;
    border-radius: 20px;
    margin: 4px;
}

.cb-result-warning::before {
    content: '⚠';
}

/* ========================================
   DETTAGLIO COSTI (Non-forfait)
   ======================================== */

.cb-dettaglio-costi {
    margin-top: 20px;
    text-align: left;
}

.cb-dettaglio-sezione {
    background: var(--cb-white);
    border: 1px solid var(--cb-primary-pale);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
}

.cb-dettaglio-sezione:last-child {
    margin-bottom: 0;
}

.cb-dettaglio-titolo {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--cb-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--cb-primary-pale);
}

.cb-fascia-row {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 8px;
    align-items: center;
    padding: 6px 0;
    font-size: 0.85rem;
    color: var(--cb-text-dark);
}

.cb-fascia-range {
    font-weight: 500;
}

.cb-fascia-calc {
    color: var(--cb-text-mid);
    text-align: center;
}

.cb-fascia-costo {
    font-weight: 500;
    text-align: right;
    min-width: 70px;
}

.cb-dettaglio-subtotale {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px dashed var(--cb-primary-light);
    font-weight: 600;
    color: var(--cb-primary);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 600px) {
    .cb-calcolo-container {
        padding-left: 0;
        padding-right: 0;
    }

    .cb-calcolo-card {
        padding: 28px 24px;
    }

    .cb-fornitura-grid {
        grid-template-columns: 1fr;
    }

    .cb-calcolo-title {
        font-size: 1.5rem;
    }

    .cb-result-value {
        font-size: 2rem;
    }

    .cb-fascia-row {
        grid-template-columns: 1fr auto;
        gap: 4px;
    }

    .cb-fascia-calc {
        display: none;
    }

    .cb-dettaglio-sezione {
        padding: 12px;
    }
}