/* ==========================================================================
   Sindesi Chat — v0.4
   Layout fedele al mockup: tab pill in alto, lista a sinistra,
   area chat a destra con widget offerta blu e input "+".
   ========================================================================== */

.sindesi-chat {
    --sc-blue:        #0280DE;
    --sc-teal:        #08B4BB;
    --sc-bg:          #f5f7fa;
    --sc-panel:       #ffffff;
    --sc-border:      #e2e8f0;
    --sc-text:        #1a202c;
    --sc-muted:       #718096;
    --sc-success:     #2ecc71;
    --sc-warning:     #f39c12;
    --sc-danger:      #e74c3c;
    --sc-offer-bg:    #d4eaf7;
    --sc-offer-border:#a4cce0;
    --sc-radius:      14px;
    --sc-shadow:      0 4px 16px rgba(15, 23, 42, 0.06);
    --sc-shadow-lg:   0 8px 32px rgba(15, 23, 42, 0.12);

    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--sc-text);
    max-width: 1200px;
    margin: 24px auto;
    padding: 0 16px;
    box-sizing: border-box;
}

.sindesi-chat *, .sindesi-chat *::before, .sindesi-chat *::after {
    box-sizing: border-box;
}

/* --- Tab pill --------------------------------------------------------------- */
.sc-tabs {
    display: flex;
    background: var(--sc-panel);
    border-radius: 999px;
    padding: 6px;
    box-shadow: var(--sc-shadow);
    margin: 0 auto 20px;
    max-width: 640px;
    border: 1px solid var(--sc-border);
}
.sc-tab {
    flex: 1;
    padding: 12px 24px;
    border: none;
    background: transparent;
    border-radius: 999px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--sc-muted);
    transition: all 0.2s ease;
}
.sc-tab:hover {
    color: var(--sc-text);
}
.sc-tab.is-active {
    background: linear-gradient(135deg, var(--sc-blue), var(--sc-teal));
    color: #fff;
    box-shadow: 0 4px 12px rgba(2, 128, 222, 0.3);
}
.sc-tab-count {
    display: inline-block;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.25);
    color: inherit;
    font-size: 11px;
    font-weight: 700;
    padding: 0 6px;
    margin-left: 6px;
    vertical-align: middle;
}
.sc-tab:not(.is-active) .sc-tab-count {
    background: var(--sc-danger);
    color: #fff;
}

/* --- Layout principale 2 colonne ------------------------------------------- */
.sc-layout {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 16px;
    min-height: 600px;
    height: min(800px, calc(100vh - 160px));
}
@media (max-width: 768px) {
    .sc-layout {
        grid-template-columns: 1fr;
        height: auto;
        min-height: 0;
    }
    .sc-layout.has-active .sc-conversations { display: none; }
    .sc-layout:not(.has-active) .sc-chat { display: none; }
}

/* --- Lista conversazioni --------------------------------------------------- */
.sc-conversations {
    background: var(--sc-panel);
    border-radius: var(--sc-radius);
    box-shadow: var(--sc-shadow);
    border: 1px solid var(--sc-border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.sc-conv-list {
    flex: 1;
    overflow-y: auto;
    list-style: none;
    margin: 0;
    padding: 8px;
}
.sc-conv-group {
    margin-bottom: 6px;
}
.sc-conv-group-header {
    padding: 8px 12px 4px;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--sc-muted);
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}
.sc-conv-group-header::before {
    content: "▾";
    margin-right: 6px;
    font-size: 10px;
    transition: transform 0.2s;
}
.sc-conv-group.is-collapsed .sc-conv-group-header::before {
    transform: rotate(-90deg);
}
.sc-conv-group.is-collapsed .sc-conv-group-items {
    display: none;
}
.sc-conv-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.15s;
    margin-bottom: 2px;
}
.sc-conv-item:hover {
    background: #f7fafc;
}
.sc-conv-item.is-active {
    background: linear-gradient(135deg, rgba(2, 128, 222, 0.08), rgba(8, 180, 187, 0.08));
    box-shadow: inset 0 0 0 1px rgba(2, 128, 222, 0.2);
}
.sc-conv-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    flex-shrink: 0;
    background: #e2e8f0;
    object-fit: cover;
}
.sc-conv-body {
    flex: 1;
    min-width: 0;
}
.sc-conv-name {
    font-weight: 700;
    font-size: 14px;
    color: var(--sc-text);
    margin: 0 0 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.sc-conv-preview {
    font-size: 12px;
    color: var(--sc-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.sc-conv-badge {
    flex-shrink: 0;
    min-width: 22px;
    height: 22px;
    border-radius: 11px;
    background: var(--sc-blue);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 7px;
}

.sc-empty-state {
    padding: 40px 20px;
    text-align: center;
    color: var(--sc-muted);
    font-size: 14px;
}
.sc-empty-state-emoji {
    font-size: 40px;
    display: block;
    margin-bottom: 12px;
    opacity: 0.5;
}

/* --- Area chat ------------------------------------------------------------- */
.sc-chat {
    background: var(--sc-panel);
    border-radius: var(--sc-radius);
    box-shadow: var(--sc-shadow);
    border: 1px solid var(--sc-border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 500px;
}

.sc-chat-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--sc-border);
    display: flex;
    align-items: center;
    gap: 12px;
    background: #fafbfc;
}
.sc-back-btn {
    display: none;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--sc-muted);
    font-size: 18px;
}
@media (max-width: 768px) {
    .sc-back-btn { display: inline-flex; }
}
.sc-chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    flex-shrink: 0;
}
.sc-chat-title {
    flex: 1;
    min-width: 0;
}
.sc-chat-counterpart {
    font-size: 12px;
    color: var(--sc-muted);
    margin: 0;
}
.sc-chat-request {
    font-size: 15px;
    font-weight: 700;
    color: var(--sc-text);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sc-chat-request-preview {
    padding: 10px 20px;
    background: #f7fafc;
    border-bottom: 1px solid var(--sc-border);
    border-radius: 10px;
    margin: 12px 20px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: background 0.15s;
}
.sc-chat-request-preview:hover { background: #edf2f7; }
.sc-chat-request-preview-img {
    width: 32px; height: 32px; border-radius: 8px;
    background: linear-gradient(135deg, var(--sc-blue), var(--sc-teal));
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-size: 16px;
}
.sc-chat-request-preview-body { flex: 1; min-width: 0; }
.sc-chat-request-preview-title { font-weight: 600; font-size: 13px; }
.sc-chat-request-preview-desc {
    font-size: 12px; color: var(--sc-muted);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.sc-chat-request-preview-arrow { color: var(--sc-muted); font-size: 16px; }

.sc-messages {
    flex: 1 1 0;
    overflow-y: auto;
    padding: 20px;
    background: var(--sc-bg);
    min-height: 200px;
}
.sc-messages.is-empty {
    display: flex;
    align-items: center;
    justify-content: center;
}
.sc-messages-empty {
    text-align: center;
    color: var(--sc-muted);
    font-size: 14px;
    padding: 30px;
}
.sc-messages-empty-emoji {
    font-size: 40px;
    display: block;
    margin-bottom: 12px;
    opacity: 0.4;
}
.sc-message {
    display: flex;
    margin-bottom: 12px;
    animation: sc-fade-in 0.2s ease;
}
.sc-message.is-mine { justify-content: flex-end; }
.sc-message-col {
    display: flex;
    flex-direction: column;
    max-width: 70%;
    min-width: 0;
}
.sc-message.is-mine .sc-message-col { align-items: flex-end; }
.sc-message-bubble {
    padding: 10px 14px;
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04);
    font-size: 14px;
    line-height: 1.4;
    word-wrap: break-word;
    overflow-wrap: anywhere;
    max-width: 100%;
}
.sc-message.is-mine .sc-message-bubble {
    background: linear-gradient(135deg, var(--sc-blue), var(--sc-teal));
    color: #fff;
}
.sc-message-time {
    font-size: 10px;
    color: var(--sc-muted);
    margin-top: 4px;
}
.sc-message.is-mine .sc-message-time { text-align: right; }
.sc-message-image {
    max-width: 240px;
    border-radius: 12px;
    display: block;
    cursor: pointer;
}

/* --- Widget offerta -------------------------------------------------------- */
.sc-offer-card {
    background: var(--sc-offer-bg);
    border: 1px solid var(--sc-offer-border);
    border-radius: 16px;
    padding: 16px;
    max-width: 320px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.sc-message.is-mine .sc-offer-card {
    background: var(--sc-offer-bg);
    color: var(--sc-text);
    border-color: var(--sc-offer-border);
}
.sc-offer-card.is-counter {
    background: #fff5e6;
    border-color: #ffd699;
}
.sc-offer-title {
    font-weight: 800;
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--sc-text);
}
.sc-offer-row {
    font-size: 13px;
    margin-bottom: 4px;
    color: #2d3748;
}
.sc-offer-divider {
    border: none;
    border-top: 1px solid rgba(0,0,0,0.1);
    margin: 12px 0;
}
.sc-offer-price {
    font-size: 22px;
    font-weight: 800;
    color: var(--sc-text);
    margin-bottom: 12px;
}
.sc-offer-status {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 8px;
}
.sc-offer-status.is-pending  { background: #fef9c3; color: #854d0e; }
.sc-offer-status.is-accepted { background: #d1fae5; color: #065f46; }
.sc-offer-status.is-rejected { background: #fee2e2; color: #991b1b; }
.sc-offer-status.is-superseded { background: #e2e8f0; color: #475569; }
.sc-offer-status.is-paid     { background: #dbeafe; color: #1e40af; }

.sc-offer-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}
.sc-offer-btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    color: #fff;
    transition: transform 0.15s, box-shadow 0.15s;
}
.sc-offer-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.sc-offer-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}
.sc-offer-btn.accept  { background: var(--sc-success); }
.sc-offer-btn.counter { background: var(--sc-warning); }
.sc-offer-btn.reject  { background: var(--sc-danger); }

/* --- Composer (input bar) -------------------------------------------------- */
.sc-composer {
    border-top: 1px solid var(--sc-border);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fafbfc;
    flex-shrink: 0;
    position: relative;
    z-index: 5;
}
.sc-plus-btn {
    width: 40px !important;
    height: 40px !important;
    border-radius: 50% !important;
    background: var(--sc-blue) !important;
    color: #fff !important;
    border: none !important;
    font-size: 22px !important;
    line-height: 1 !important;
    cursor: pointer;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(2, 128, 222, 0.3);
    transition: transform 0.15s;
    position: relative;
    padding: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
}
.sc-plus-btn:hover { transform: scale(1.05); }
.sc-plus-btn.is-open { transform: rotate(45deg); }

.sc-plus-menu {
    position: absolute;
    bottom: calc(100% + 12px);
    left: 16px;
    background: #fff;
    border-radius: 14px;
    box-shadow: var(--sc-shadow-lg);
    border: 1px solid var(--sc-border);
    overflow: hidden;
    min-width: 220px;
    display: none;
    z-index: 100;
}
.sc-plus-menu.is-open { display: block; }
.sc-plus-menu-item {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 16px;
    cursor: pointer;
    border: none; background: none; width: 100%; text-align: left;
    font-size: 14px;
    color: var(--sc-text);
    transition: background 0.15s;
}
.sc-plus-menu-item:hover { background: #f7fafc; }
.sc-plus-menu-item-icon {
    width: 32px; height: 32px;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-size: 16px;
}
.sc-plus-menu-item.image .sc-plus-menu-item-icon { background: #08B4BB; }
.sc-plus-menu-item.offer .sc-plus-menu-item-icon { background: var(--sc-blue); }

.sc-composer-input {
    flex: 1;
    padding: 12px 18px;
    border: 1px solid var(--sc-border);
    border-radius: 999px;
    background: #fff;
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border 0.15s;
}
.sc-composer-input:focus { border-color: var(--sc-blue); }
.sc-send-btn {
    background: var(--sc-blue) !important;
    color: #fff !important;
    border: none !important;
    border-radius: 50% !important;
    width: 40px !important;
    height: 40px !important;
    cursor: pointer;
    font-size: 16px !important;
    flex-shrink: 0;
    transition: transform 0.15s;
    padding: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
}
.sc-send-btn:hover { transform: scale(1.05); }
.sc-send-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* --- Welcome / no selection ----------------------------------------------- */
.sc-welcome {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--sc-muted);
    padding: 40px;
}
.sc-welcome-emoji { font-size: 56px; margin-bottom: 16px; opacity: 0.6; }
.sc-welcome-title { font-size: 18px; font-weight: 600; color: var(--sc-text); margin: 0 0 8px; }
.sc-welcome-text  { font-size: 14px; max-width: 320px; }

/* --- Modal nuova offerta -------------------------------------------------- */
.sc-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.sc-modal-overlay.is-open { display: flex; }
.sc-modal {
    background: #fff;
    border-radius: 20px;
    max-width: 460px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 28px;
    box-shadow: var(--sc-shadow-lg);
}
.sc-modal-title {
    font-size: 20px;
    font-weight: 800;
    margin: 0 0 6px;
    color: var(--sc-text);
}
.sc-modal-subtitle {
    font-size: 13px;
    color: var(--sc-muted);
    margin: 0 0 20px;
}
.sc-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}
.sc-form-field {
    display: flex; flex-direction: column; gap: 4px;
    margin-bottom: 12px;
}
.sc-form-field.full { grid-column: 1 / -1; }
.sc-form-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--sc-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.sc-form-input, .sc-form-textarea {
    padding: 12px 14px;
    border: 1px solid var(--sc-border);
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    outline: none;
    background: #fff;
    transition: border 0.15s;
}
.sc-form-input:focus, .sc-form-textarea:focus { border-color: var(--sc-blue); }
.sc-form-textarea { resize: vertical; min-height: 70px; }
.sc-form-input-group {
    display: flex; gap: 8px; align-items: center;
}
.sc-form-input-group .sc-form-input { flex: 1; }
.sc-form-currency {
    padding: 12px 14px;
    background: #f7fafc;
    border: 1px solid var(--sc-border);
    border-radius: 10px;
    font-size: 14px;
    font-weight: 700;
    color: var(--sc-muted);
}

.sc-modal-actions {
    display: flex; gap: 10px; margin-top: 8px;
}
/* === Anti-injection (Google Translate, browser extensions) ===
   Estensioni come Google Translate iniettano <span> o <font> con color
   inline inside dei bottoni per la traduzione, rompendo il contrasto.
   Forziamo i figli a ereditare il color del button. */
.sc-modal-btn,
.sc-plus-btn,
.sc-send-btn,
.sc-pay-card-btn {
    -webkit-text-fill-color: inherit;
}
.sc-modal-btn *,
.sc-plus-btn *,
.sc-send-btn *,
.sc-pay-card-btn *,
.sc-pay-card-text * {
    color: inherit !important;
    -webkit-text-fill-color: inherit !important;
    background: transparent !important;
}
.sc-modal-btn.primary,
.sc-modal-btn.primary * {
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
}
.sc-plus-btn,
.sc-plus-btn *,
.sc-send-btn,
.sc-send-btn * {
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
}
.sc-pay-card,
.sc-pay-card-text,
.sc-pay-card-text * {
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
}
.sc-pay-card-btn,
.sc-pay-card-btn * {
    color: #0280DE !important;
    -webkit-text-fill-color: #0280DE !important;
}
.sc-modal-btn {
    flex: 1;
    padding: 14px !important;
    border: none !important;
    border-radius: 12px !important;
    font-size: 14px !important;
    font-weight: 700 !important;
    cursor: pointer;
    transition: all 0.15s;
    line-height: 1.2 !important;
    text-decoration: none !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
}
.sc-modal-btn.secondary {
    background: #f7fafc !important;
    color: var(--sc-text) !important;
    border: 1px solid var(--sc-border) !important;
}
.sc-modal-btn.primary {
    background: linear-gradient(135deg, var(--sc-blue), var(--sc-teal)) !important;
    color: #fff !important;
    box-shadow: 0 4px 12px rgba(2, 128, 222, 0.3) !important;
}
.sc-modal-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.sc-error-msg {
    background: #fee2e2;
    color: #991b1b;
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 13px;
    margin-bottom: 12px;
}

/* --- Toast notification --------------------------------------------------- */
.sc-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--sc-text);
    color: #fff;
    padding: 12px 20px;
    border-radius: 999px;
    font-size: 14px;
    box-shadow: var(--sc-shadow-lg);
    z-index: 10000;
    opacity: 0;
    transition: all 0.3s ease;
}
.sc-toast.is-visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}
.sc-toast.is-error { background: var(--sc-danger); }
.sc-toast.is-success { background: var(--sc-success); }

/* --- Animations ----------------------------------------------------------- */
@keyframes sc-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.sc-loading {
    text-align: center;
    padding: 30px;
    color: var(--sc-muted);
}
.sc-spinner {
    display: inline-block;
    width: 24px; height: 24px;
    border: 3px solid var(--sc-border);
    border-top-color: var(--sc-blue);
    border-radius: 50%;
    animation: sc-spin 0.8s linear infinite;
}
@keyframes sc-spin {
    to { transform: rotate(360deg); }
}