/**
 * AI Companion — CSS
 * Coerente con tema Regione Lombardia (Bootstrap 5 variabili)
 */
:root {
    --aic-primary: #297A38;
    --aic-primary-light: #EAF4EC;
    --aic-primary-dark: #1d5a28;
    --aic-warning: #FFF9E6;
    --aic-warning-border: #FFE082;
    --aic-warning-text: #856404;
    --aic-text: #2a3042;
    --aic-text-secondary: #6c757d;
    --aic-border: #e0e4ec;
    --aic-white: #ffffff;
    --aic-shadow: 0 4px 24px rgba(41, 122, 56, 0.12);
    --aic-shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --aic-radius: 16px;
    --aic-radius-sm: 10px;
    --aic-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ================================================================
   Suggestion Chip (Level 2)
   ================================================================ */

.aic-chip {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(120px);
    z-index: 10001;
    opacity: 0;
    transition: transform var(--aic-transition), opacity 0.25s ease;
    pointer-events: none;
}

.aic-chip--visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.aic-chip-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: var(--aic-white);
    border-radius: var(--aic-radius);
    border: 1.5px solid var(--aic-primary);
    box-shadow: var(--aic-shadow);
    max-width: 520px;
    width: calc(100vw - 48px);
}

.aic-chip-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--aic-primary), #43A047);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.aic-chip-body {
    flex: 1;
    min-width: 0;
}

.aic-chip-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--aic-text);
    line-height: 1.3;
}

.aic-chip-desc {
    font-size: 11px;
    color: var(--aic-text-secondary);
    margin-top: 2px;
}

.aic-chip-action {
    background: var(--aic-primary);
    color: white;
    border: none;
    padding: 8px 20px;
    border-radius: 24px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s, transform 0.15s;
    flex-shrink: 0;
}

.aic-chip-action:hover {
    background: var(--aic-primary-dark);
    transform: scale(1.03);
}

.aic-chip-dismiss {
    background: none;
    border: none;
    color: #9aa0b3;
    font-size: 22px;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    transition: color 0.2s;
    flex-shrink: 0;
}

.aic-chip-dismiss:hover {
    color: var(--aic-text);
}

/* ================================================================
   Guided Wizard (Level 3) — Modal centrato
   ================================================================ */

.aic-wizard {
    position: fixed;
    inset: 0;
    z-index: 10002;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.aic-wizard--open {
    pointer-events: auto;
}

.aic-wizard-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.aic-wizard--open .aic-wizard-overlay {
    opacity: 1;
}

.aic-wizard-panel {
    position: relative;
    width: 520px;
    max-width: calc(100vw - 32px);
    max-height: calc(100vh - 64px);
    background: var(--aic-white);
    border-radius: 20px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.18);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateY(40px) scale(0.95);
    opacity: 0;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s ease;
}

.aic-wizard--open .aic-wizard-panel {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.aic-wizard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    border-bottom: 1px solid var(--aic-border);
    flex-shrink: 0;
}

.aic-wizard-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--aic-primary);
}

.aic-wizard-close {
    background: none;
    border: none;
    font-size: 24px;
    color: #9aa0b3;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color 0.2s;
}

.aic-wizard-close:hover {
    color: var(--aic-text);
}

/* Stepper */

.aic-wizard-stepper {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    gap: 0;
    flex-shrink: 0;
}

.aic-stepper-step {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.aic-stepper-num {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #dee2e6;
    color: #6c757d;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
    transition: all 0.25s ease;
}

.aic-stepper-step--active .aic-stepper-num {
    background: var(--aic-primary);
    color: white;
}

.aic-stepper-step--done .aic-stepper-num {
    background: var(--aic-primary-light);
    color: var(--aic-primary);
}

.aic-stepper-label {
    font-size: 11px;
    color: #6c757d;
    font-weight: 500;
    white-space: nowrap;
}

.aic-stepper-step--active .aic-stepper-label {
    color: var(--aic-text);
    font-weight: 600;
}

.aic-stepper-conn {
    flex: 1;
    height: 2px;
    background: #dee2e6;
    min-width: 16px;
    margin: 0 4px;
    transition: background 0.25s ease;
}

.aic-stepper-conn--done {
    background: var(--aic-primary);
}

/* Content area */

.aic-wizard-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
}

.aic-wizard-placeholder {
    padding: 40px 20px;
    text-align: center;
    color: var(--aic-text-secondary);
    font-size: 13px;
}

/* Footer */

.aic-wizard-footer {
    display: flex;
    gap: 10px;
    padding: 14px 20px;
    border-top: 1px solid var(--aic-border);
    flex-shrink: 0;
}

.aic-wizard-back {
    background: none;
    border: 1px solid #dee2e6;
    color: var(--aic-text-secondary);
    padding: 10px 20px;
    border-radius: 24px;
    font-size: 13px;
    cursor: pointer;
    flex: 1;
    transition: all 0.2s;
}

.aic-wizard-back:hover {
    border-color: var(--aic-primary);
    color: var(--aic-primary);
}

.aic-wizard-next {
    background: var(--aic-primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 24px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    flex: 1;
    transition: all 0.2s;
}

.aic-wizard-next:hover {
    background: var(--aic-primary-dark);
}

.aic-wizard-next:disabled {
    background: #c0c8d0;
    cursor: not-allowed;
}

/* Center picker */

.aic-center-picker {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.aic-center-search {
    position: relative;
}

.aic-center-search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    color: #9aa0b3;
}

.aic-center-search-input {
    width: 100%;
    padding: 10px 12px 10px 36px;
    border: 1.5px solid var(--aic-border);
    border-radius: var(--aic-radius-sm);
    font-size: 13px;
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.2s;
    font-family: inherit;
}

.aic-center-search-input:focus {
    border-color: var(--aic-primary);
}

.aic-center-loading,
.aic-center-empty {
    text-align: center;
    padding: 24px 16px;
    color: var(--aic-text-secondary);
    font-size: 12px;
}

/* Center list */

.aic-center-list-wrap {
    max-height: 280px;
    overflow-y: auto;
}

.aic-center-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.aic-center-item {
    padding: 10px 12px;
    border: 1px solid #f0f0f0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.18s ease;
}

.aic-center-item:hover {
    border-color: var(--aic-primary);
    background: #f8fbf9;
}

.aic-center-item--selected {
    border-color: var(--aic-primary);
    background: var(--aic-primary-light);
}

.aic-center-item-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--aic-text);
}

.aic-center-item-addr {
    font-size: 11px;
    color: var(--aic-text-secondary);
    margin-top: 2px;
}

.aic-center-item-dist {
    font-size: 11px;
    font-weight: 500;
    color: var(--aic-primary);
    background: var(--aic-primary-light);
    padding: 2px 8px;
    border-radius: 20px;
    margin-left: 8px;
}

.aic-recommended-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    color: #9aa0b3;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
    margin-top: 4px;
}

.aic-center-recommended {
    margin-bottom: 4px;
}

.aic-center-group-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    color: #9aa0b3;
    letter-spacing: 0.05em;
    padding: 8px 0 4px 0;
    position: sticky;
    top: 0;
    background: white;
    z-index: 1;
}

.aic-empty-state {
    text-align: center;
    padding: 32px 20px;
}

.aic-empty-icon {
    font-size: 40px;
    margin-bottom: 12px;
}

.aic-empty-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--aic-text);
    margin-bottom: 6px;
}

.aic-empty-desc {
    font-size: 13px;
    color: var(--aic-text-secondary);
    margin-bottom: 20px;
}

.aic-empty-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: 1.5px solid var(--aic-primary);
    color: var(--aic-primary);
    padding: 10px 22px;
    border-radius: 24px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.aic-empty-back:hover {
    background: var(--aic-primary-light);
}

/* Confirm step */

.aic-confirm {
    padding: 8px 0;
}

.aic-confirm-row {
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--aic-text);
}

.aic-confirm-hint {
    font-size: 12px;
    color: var(--aic-text-secondary);
    margin-top: 12px;
}

/* ================================================================
   Urgent Banner (Level 4)
   ================================================================ */

.aic-banner {
    background: linear-gradient(135deg, #FFF9E6, #FFF3CD);
    border-bottom: 2px solid var(--aic-warning-border);
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.25s ease;
}

.aic-banner--visible {
    max-height: 80px;
    opacity: 1;
}

.aic-banner-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
}

.aic-banner-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #f0ad4e;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
}

.aic-banner-body {
    flex: 1;
    min-width: 0;
}

.aic-banner-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--aic-warning-text);
    line-height: 1.3;
}

.aic-banner-sub {
    font-size: 11px;
    color: #997404;
    margin-top: 2px;
}

.aic-banner-action {
    background: #f0ad4e;
    color: white;
    border: none;
    padding: 8px 18px;
    border-radius: 24px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    transition: background 0.2s;
}

.aic-banner-action:hover {
    background: #ec971f;
}

.aic-banner-dismiss {
    background: none;
    border: none;
    color: var(--aic-warning-text);
    font-size: 18px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    flex-shrink: 0;
}

/* ================================================================
   Status Indicator
   ================================================================ */

.aic-status-dot {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--aic-primary);
    opacity: 0;
    z-index: 1040;
    transition: opacity 0.5s ease;
    box-shadow: 0 0 0 0 rgba(41, 122, 56, 0.5);
    animation: aic-pulse 3s ease-in-out infinite;
}

.aic-status-dot--visible {
    opacity: 0.7;
}

@keyframes aic-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(41, 122, 56, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(41, 122, 56, 0); }
}

/* ================================================================
   Responsive
   ================================================================ */

@media (max-width: 768px) {
    .aic-chip-inner {
        max-width: calc(100vw - 32px);
        padding: 12px 14px;
    }

    .aic-chip-text {
        font-size: 13px;
    }

    .aic-wizard-panel {
        width: 100vw;
        max-width: 100vw;
        max-height: 100vh;
        border-radius: 0;
        margin: 0;
    }

    .aic-wizard-header {
        padding: 14px 16px;
    }

    .aic-wizard-content {
        padding: 12px 16px;
    }

    .aic-wizard-footer {
        padding: 12px 16px;
    }

    .aic-banner-inner {
        padding: 10px 12px;
        gap: 8px;
    }

    .aic-banner-text {
        font-size: 12px;
    }
}