/* ============================================
   TreePOS POS - Payment Overlay Styles
   ============================================ */

/* ---------- Payment Overlay ---------- */
.pagamento-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: var(--z-modal-backdrop);
    display: flex;
    align-items: stretch;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-slow);
}

.pagamento-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ---------- Left Panel: Order Summary ---------- */
.pag-summary {
    width: 400px;
    background: var(--white);
    display: flex;
    flex-direction: column;
    transform: translateX(-20px);
    transition: var(--transition-slow);
}

.pagamento-overlay.active .pag-summary {
    transform: translateX(0);
}

.pag-summary-header {
    padding: var(--space-xl);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.pag-summary-header h2 {
    font-size: 20px;
    font-weight: 700;
}

.pag-summary-items {
    flex: 1;
    overflow-y: auto;
    padding: 0;
}

.pag-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
    border-bottom: 1px solid var(--border-light);
}

.pag-item .pag-item-qty {
    min-width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    background: var(--primary-light);
    border-radius: var(--radius-sm);
}

.pag-item .pag-item-name {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
}

.pag-item .pag-item-price {
    font-size: 14px;
    font-weight: 600;
    min-width: 70px;
    text-align: right;
}

.pag-summary-total {
    flex-shrink: 0;
    padding: var(--space-xl);
    background: var(--bg);
    border-top: 2px solid var(--border);
}

.pag-summary-total .pag-total-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.pag-summary-total .pag-total-amount {
    font-size: 36px;
    font-weight: 800;
    color: var(--text);
    font-variant-numeric: tabular-nums;
}

/* ---------- Right Panel: Numpad & Actions ---------- */
.pag-numpad-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
    position: relative;
    background: #1A2332;
}

.pag-close-btn {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 24px;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
    cursor: pointer;
}

.pag-close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

/* Payment method selector */
.pag-method-tabs {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.pag-method-btn {
    padding: var(--space-lg) var(--space-2xl);
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    border: 2px solid transparent;
    min-height: 56px;
    min-width: 180px;
    justify-content: center;
    user-select: none;
}

.pag-method-btn .method-icon {
    font-size: 24px;
}

.pag-method-btn.method-contanti {
    background: rgba(76, 175, 80, 0.15);
    color: #81C784;
    border-color: rgba(76, 175, 80, 0.3);
}

.pag-method-btn.method-contanti:hover,
.pag-method-btn.method-contanti.active {
    background: var(--success);
    color: var(--text-inverse);
    border-color: var(--success);
}

.pag-method-btn.method-carta {
    background: rgba(33, 150, 243, 0.15);
    color: #64B5F6;
    border-color: rgba(33, 150, 243, 0.3);
}

.pag-method-btn.method-carta:hover,
.pag-method-btn.method-carta.active {
    background: var(--info);
    color: var(--text-inverse);
    border-color: var(--info);
}

/* Amount display */
.pag-amount-display {
    text-align: center;
    margin-bottom: var(--space-2xl);
    min-height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.pag-amount-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.pag-amount-value {
    font-size: 56px;
    font-weight: 800;
    color: var(--white);
    font-variant-numeric: tabular-nums;
    line-height: 1;
    letter-spacing: -1px;
}

.pag-amount-value.has-input {
    color: #4FC3F7;
}

.pag-amount-cursor {
    display: inline-block;
    width: 3px;
    height: 50px;
    background: #4FC3F7;
    margin-left: 4px;
    animation: blink 1s infinite;
    vertical-align: middle;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Numpad grid */
.pag-numpad {
    display: grid;
    grid-template-columns: repeat(4, 80px);
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.pag-numpad-btn {
    width: 80px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
    background: rgba(255, 255, 255, 0.08);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.pag-numpad-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.pag-numpad-btn:active {
    transform: scale(0.93);
    background: rgba(255, 255, 255, 0.2);
}

.pag-numpad-btn.btn-clear {
    background: rgba(244, 67, 54, 0.2);
    color: #EF9A9A;
    border-color: rgba(244, 67, 54, 0.3);
}

.pag-numpad-btn.btn-clear:hover {
    background: rgba(244, 67, 54, 0.35);
}

.pag-numpad-btn.btn-backspace {
    background: rgba(255, 152, 0, 0.2);
    color: #FFB74D;
    border-color: rgba(255, 152, 0, 0.3);
}

.pag-numpad-btn.btn-backspace:hover {
    background: rgba(255, 152, 0, 0.35);
}

/* Pay button */
.pag-pay-btn {
    min-width: 340px;
    min-height: 64px;
    font-size: 20px;
    font-weight: 700;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    color: var(--text-inverse);
    user-select: none;
}

.pag-pay-btn.pay-contanti {
    background: var(--success);
}
.pag-pay-btn.pay-contanti:hover {
    background: var(--success-dark);
}

.pag-pay-btn.pay-carta {
    background: var(--info);
}
.pag-pay-btn.pay-carta:hover {
    background: #1565C0;
}

.pag-pay-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pag-pay-btn:active:not(:disabled) {
    transform: scale(0.97);
}

/* ---------- Change / Resto Display ---------- */
.pag-resto-display {
    margin-top: var(--space-xl);
    text-align: center;
    padding: var(--space-lg) var(--space-2xl);
    border-radius: var(--radius);
    background: rgba(76, 175, 80, 0.15);
    border: 1px solid rgba(76, 175, 80, 0.3);
    min-width: 340px;
}

.pag-resto-label {
    font-size: 14px;
    color: #81C784;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.pag-resto-value {
    font-size: 40px;
    font-weight: 800;
    color: #66BB6A;
    font-variant-numeric: tabular-nums;
}

.pag-resto-display.resto-negative {
    background: rgba(244, 67, 54, 0.15);
    border-color: rgba(244, 67, 54, 0.3);
}

.pag-resto-display.resto-negative .pag-resto-label {
    color: #EF9A9A;
}

.pag-resto-display.resto-negative .pag-resto-value {
    color: #EF5350;
}

/* ---------- Success Animation ---------- */
.pag-success {
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-modal) + 10);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.85);
    animation: fadeIn 300ms ease;
}

.pag-success-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 50px;
    color: var(--white);
    margin-bottom: var(--space-xl);
    animation: scaleIn 400ms ease;
}

.pag-success h2 {
    color: var(--white);
    font-size: 28px;
    margin-bottom: var(--space-sm);
}

.pag-success .resto-info {
    font-size: 22px;
    color: #81C784;
    font-weight: 700;
}

/* ---------- Split Payment ---------- */
.pag-split-container {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    min-width: 340px;
}

.pag-split-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.pag-split-row .split-amount {
    font-weight: 600;
    color: var(--white);
}

.pag-split-row.split-remaining {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: var(--space-sm);
    padding-top: var(--space-md);
    color: var(--warning);
    font-weight: 600;
}

.pag-split-row.split-remaining .split-amount {
    color: var(--warning);
    font-size: 18px;
}

/* ---------- Quick Amount Buttons ---------- */
.pag-quick-amounts {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
    justify-content: center;
}

.pag-quick-btn {
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    user-select: none;
}

.pag-quick-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
}

.pag-quick-btn:active {
    transform: scale(0.95);
}

/* ============================================
   Fattura Toggle & Cliente Form
   ============================================ */

/* Toggle button */
.pag-fattura-toggle {
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    background: #F5F5F5;
    color: #757575;
    border: 2px solid #E0E0E0;
    white-space: nowrap;
}

.pag-fattura-toggle:hover {
    background: #FFF8E1;
    border-color: #F9A825;
    color: #F57F17;
}

.pag-fattura-toggle.active {
    background: #FFF8E1;
    border-color: #F9A825;
    color: #F57F17;
    box-shadow: 0 0 0 3px rgba(249, 168, 37, 0.2);
}

.fattura-icon {
    font-size: 14px;
}

/* Cliente form container */
.pag-cliente-form {
    flex: 1;
    overflow-y: auto;
    padding: 0 var(--space-lg) var(--space-md);
}

.fatt-form-inner {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.fatt-form-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
    padding-bottom: 6px;
    border-bottom: 2px solid var(--primary);
}

/* Predefiniti */
.fatt-predefiniti {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 4px;
}

.fatt-pred-btn {
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    background: #E3F2FD;
    color: #1565C0;
    border: 1px solid #90CAF9;
    transition: var(--transition);
}

.fatt-pred-btn:hover {
    background: #BBDEFB;
}

/* Search */
.fatt-search-wrap {
    position: relative;
    z-index: 50;
}

.fatt-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 10;
    max-height: 180px;
    overflow-y: auto;
}

.fatt-dropdown-item {
    padding: 8px 12px;
    cursor: pointer;
    font-size: 13px;
    border-bottom: 1px solid #F5F5F5;
}

.fatt-dropdown-item:hover {
    background: #E3F2FD;
}

/* Form inputs */
.fatt-input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: inherit;
    transition: var(--transition);
    box-sizing: border-box;
}

.fatt-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(26, 158, 218, 0.15);
}

.fatt-input::placeholder {
    color: #BDBDBD;
}

/* Tipo radio row */
.fatt-tipo-row {
    display: flex;
    gap: 16px;
    padding: 4px 0;
}

.fatt-tipo-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Lookup P.IVA button */
.fatt-lookup-btn {
    padding: 6px 12px;
    border: 1px solid #43A047;
    border-radius: var(--radius-sm);
    background: #E8F5E9;
    color: #2E7D32;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
}
.fatt-lookup-btn:hover { background: #C8E6C9; }
.fatt-lookup-btn:disabled { opacity: 0.5; cursor: wait; }

/* Source tags in dropdown */
.fatt-source {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 3px;
    margin-right: 6px;
    vertical-align: middle;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.fatt-source-local { background: #E3F2FD; color: #1565C0; }
.fatt-source-fic { background: #FFF3E0; color: #E65100; }
.fatt-source-cerved { background: #E8F5E9; color: #2E7D32; }

/* Row layouts */
.fatt-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.fatt-row-piva {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 6px;
    align-items: center;
}

.fatt-row-3 {
    grid-template-columns: 80px 1fr 60px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .pag-summary {
        width: 320px;
    }
    .pag-numpad-btn {
        width: 70px;
        height: 56px;
        font-size: 20px;
    }
    .pag-amount-value {
        font-size: 44px;
    }
}

@media (max-width: 768px) {
    .pagamento-overlay {
        flex-direction: column;
        overflow-y: auto;
    }
    .pag-summary {
        width: 100%;
        max-height: 35vh;
        transform: none;
    }
    .pag-summary-header { padding: 12px 16px; }
    .pag-summary-header h2 { font-size: 16px; }
    .pag-item { padding: 8px 16px; }
    .pag-summary-total { padding: 12px 16px; }
    .pag-summary-total .pag-total-amount { font-size: 28px; }

    .pag-numpad-panel {
        padding: 16px 12px;
        justify-content: flex-start;
    }
    .pag-close-btn { top: 8px; right: 8px; }

    .pag-method-tabs { margin-bottom: 16px; gap: 8px; }
    .pag-method-btn {
        padding: 10px 16px;
        font-size: 14px;
        min-height: 44px;
        min-width: 0;
        flex: 1;
    }

    .pag-amount-display { margin-bottom: 16px; min-height: 70px; }
    .pag-amount-value { font-size: 36px; }
    .pag-amount-cursor { height: 32px; }

    .pag-numpad {
        grid-template-columns: repeat(4, 1fr);
        gap: 6px;
        margin-bottom: 16px;
        width: 100%;
        max-width: 340px;
    }
    .pag-numpad-btn {
        width: auto;
        height: 52px;
        font-size: 20px;
    }

    .pag-pay-btn {
        min-width: auto;
        width: 100%;
        max-width: 340px;
        min-height: 56px;
        font-size: 18px;
    }

    .pag-resto-display {
        min-width: auto;
        width: 100%;
        max-width: 340px;
        margin-top: 12px;
    }
    .pag-resto-value { font-size: 30px; }

    .pag-quick-amounts { margin-bottom: 12px; }

    .pag-split-container {
        min-width: auto;
        width: 100%;
        max-width: 340px;
    }

    /* Fattura form mobile */
    .pag-fattura-toggle { font-size: 12px; padding: 3px 10px; }
    .fatt-form-inner { max-height: calc(100vh - 320px); }
    .fatt-row { grid-template-columns: 1fr; }
    .fatt-row-piva { grid-template-columns: 1fr auto; }
    .fatt-row-3 { grid-template-columns: 1fr 1fr; }

    /* Success screen */
    .pag-success-icon { width: 70px; height: 70px; font-size: 35px; }
    .pag-success h2 { font-size: 22px; }
}

/* Dropdown fix */
.fatt-dropdown {
    z-index: 100 !important;
    max-height: 250px !important;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15) !important;
}

/* Fix dropdown clipping by overflow parent */
.pag-cliente-form {
    overflow: visible !important;
}
.fatt-form-inner {
    overflow-y: auto;
    max-height: calc(100vh - 280px);
    padding-right: 4px;
}
.fatt-dropdown-item {
    display: flex;
    align-items: center;
    gap: 6px;
}