.invoice-container {
    background-color: var(--color-bg-card);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: 0 1px 3px var(--color-shadow);
    width: 100%;
    max-width: 900px;
    box-sizing: border-box;
    text-align: center;
    transition: background-color 0.3s, box-shadow 0.3s;
}

.invoice-container h1 {
    color: var(--color-text-primary);
    margin-bottom: 30px;
    font-weight: 600;
}

.invoice-container form {
    text-align: left;
}

.company-details, .client-details, .invoice-details, .invoice-items, .invoice-summary, .service-specifics {
    margin-bottom: 30px;
}

.company-details h2, .client-details h2, .invoice-details h2, .invoice-items h2, .service-specifics h2 {
    color: var(--color-accent);
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.company-details input, .client-details input, .invoice-details input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-sizing: border-box;
    font-family: var(--font-family);
    font-size: 0.9375rem;
    color: var(--color-text-primary);
    background-color: var(--color-input-bg);
    margin-bottom: 10px;
}

.dynamic-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-sizing: border-box;
    font-family: var(--font-family);
    font-size: 0.9375rem;
    color: var(--color-text-primary);
    background-color: var(--color-input-bg);
    resize: vertical;
}

.item-header {
    display: flex;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 10px;
    padding-left: 40px;
    gap: 10px;
    align-items: center;
}

.item-type-header, .item-type-container { width: 80px; flex-shrink: 0; }
.item-description-header, .item-description { flex: 1; min-width: 0; }
.item-quantity-header, .item-hours, .item-quantity { width: 70px; flex-shrink: 0; }
.item-price-header, .item-rate, .item-price { width: 70px; flex-shrink: 0; }
.item-discount-header, .item-discount { width: 70px; flex-shrink: 0; }
.item-total-header, .item-total { width: 80px; text-align: right; flex-shrink: 0; }

.item-row {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    gap: 10px;
}

.item-row input, .item-row select {
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-sizing: border-box;
    font-family: var(--font-family);
    font-size: 0.9375rem;
    color: var(--color-text-primary);
    background-color: var(--color-input-bg);
    width: 100%;
}

.item-row .form-group {
    margin-bottom: 0;
}

.item-row .form-group label {
    display: none;
}

.remove-item {
    width: 30px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

#add-item {
    padding: 10px 20px;
    background-color: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.2s;
}

#add-item:hover {
    background-color: var(--color-accent-hover);
}

.remove-item button {
    background-color: #e53935;
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    min-width: 24px;
    min-height: 24px;
    padding: 0;
    margin: 0;
    line-height: 24px;
    text-align: center;
    cursor: pointer;
    font-weight: bold;
    font-size: 1rem !important;
    font-family: sans-serif !important;
    transition: background-color 0.3s;
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
}

.remove-item button:hover {
    background-color: #c62828;
}

.invoice-summary {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid var(--color-accent);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 1.2rem;
    color: var(--color-text-primary);
}

.summary-row input {
    width: 100px;
    padding: 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    text-align: right;
    color: var(--color-text-primary);
    background-color: var(--color-input-bg);
    -moz-appearance: textfield;
    appearance: textfield;
}

.summary-row input::-webkit-outer-spin-button,
.summary-row input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

#subtotal, #total {
    font-weight: 600;
    color: var(--color-accent);
}

.payment-instructions h2 {
    color: var(--color-accent);
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.payment-instructions textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-sizing: border-box;
    font-family: var(--font-family);
    font-size: 0.9375rem;
    color: var(--color-text-primary);
    background-color: var(--color-input-bg);
    resize: vertical;
}

label {
    display: block;
    font-weight: 500;
    margin-bottom: 5px;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.required {
    color: #ef4444;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

@media (max-width: 768px) {
    .invoice-container {
        padding: 20px;
    }

    .item-header {
        display: none;
    }

    .item-row {
        flex-direction: column;
        align-items: stretch;
        border-bottom: 1px solid var(--color-border);
        padding-bottom: 15px;
    }

    .item-row > div {
        width: 100% !important;
        margin-bottom: 10px;
    }

    .item-row input, .item-row select {
        width: 100%;
    }

    .item-row .form-group label {
        display: block;
    }

    .remove-item {
        text-align: right;
        display: flex;
        justify-content: flex-end;
        align-items: center;
        width: 100% !important;
    }
}