body {
    background: linear-gradient(180deg, #071427, #042033);
    min-height: 1100px;
    font-family: vazir;
}

@keyframes moveGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.form-card {
    --text-color: #E0E0E0;
    --placeholder-color: rgba(224, 224, 224, 0.4);
    width: 95%;
    max-width: 1000px;
    padding: 3rem 2rem;
    margin: 15rem auto 9rem;
    margin-top: 2rem;
    backdrop-filter: blur(25px);
    position: relative;
    z-index: 5;
    animation: glowPulse 6s ease-in-out infinite;
}

.form-card h2 {
    color: var(--text-color);
    text-align: center;
    font-size: 2rem;
    margin: 2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.form-card h4 {
    color: #586075;
    text-align: center;
    font-size: 1.5rem;
    margin: 2rem;
    font-weight: 300;
    letter-spacing: -0.5px;
}

.form-columns {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.form-column-left, .form-column-right {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem;
    border-radius: 1.5rem;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.form-input, .form-select {
    width: 100%;
    padding: 1.25rem 1.5rem;
    border-radius: 1.5rem;
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    font-size: 1rem;
    transition: 0.3s;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    font-family: vazir;
}

.form-input::placeholder { color: var(--placeholder-color); }
.form-input:focus, .form-select:focus {
    outline: none;
    border-color: #4A4A8A;
    box-shadow: 0 0 12px rgba(74, 74, 138, 0.5);
}

.form-select-wrapper { position: relative; }
.form-select-wrapper::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 1.5rem;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid var(--text-color);
    pointer-events: none;
}

.form-select { padding-right: 1.5rem; }
.form-select option { background-color: #1A1A22; color: var(--text-color); font-family: 'Vazir', sans-serif; }

.form-label {
    display: block;
    text-align: right;
    color: #aeb9c4;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    padding-right: 0.75rem;
}

.terms-box {
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 1.25rem;
    max-height: 15rem;
    overflow-y: auto;
    margin-top: 1.5rem;
}

.terms-box p {
    text-align: justify;
    font-size: 1rem;
    line-height: 1.7;
    color: #aeb9c4;
    margin: 0;
}

.terms-box::-webkit-scrollbar {
    width: 8px;
}

.terms-box::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.04);
    border-radius: 10px;
}

.terms-box::-webkit-scrollbar-thumb {
    background-color: #4A4A8A;
    border-radius: 10px;
    border: 2px solid rgba(255, 255, 255, 0.04);
}

.terms-box::-webkit-scrollbar-thumb:hover {
    background-color: #5a5a9a;
}

.submit-btn {
    width: 100%;
    padding: 1.25rem 1.5rem;
    font-size: 1.25rem;
    font-weight: bold;
    border: solid 1px #1c4a5e;
    border-radius: 1.5rem;
    cursor: pointer;
    background: linear-gradient(180deg, #0a1925, #022f40);
    color: #8ec7dd;
    transition: 0.3s;
    box-shadow: 0 5px 20px rgba(42, 42, 90, 0.5);
    margin-top: 2rem;
    font-family: vazir;
}

.submit-btn:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(74, 74, 138, 0.6); }

.message-box {
    padding: 1rem;
    border-radius: 1rem;
    margin-bottom: 1.75rem;
    text-align: right;
    font-weight: 500;
    display: none;
    color: #fff;
    font-family: vazir;
}
.message-box ul { padding-right: 1.5rem; margin: 0; }
.message-box.error { background-color: rgba(255, 99, 71, 0.2); color: #FF6347; border: 1px solid rgba(255, 99, 71, 0.4); }

@media (min-width: 769px) {
    .form-columns { flex-direction: row; gap: 3rem; }
    .form-column-left, .form-column-right { width: 50%; }
}

@media (max-width: 768px) {
    .form-card { margin: 8rem 1rem 4rem; padding: 2rem 1.5rem; }
    .form-card h2 { font-size: 1.75rem; margin-bottom: 2.5rem; }
    .form-input, .form-select, .submit-btn { font-size: 1rem; padding: 1rem 1.25rem; }
    .form-columns { flex-direction: column; gap: 1.5rem; }
    .form-column-left, .form-column-right { padding: 1rem; }
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    justify-content: center;
    align-items: center;
}
.modal-content {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 1.5rem;
    padding: 2rem;
    width: 90%;
    max-width: 400px;
    position: relative;
    text-align: center;
    backdrop-filter: blur(20px);
    color: var(--text-color);
    font-family: vazir;
}
.modal-close-btn {
    position: absolute;
    top: 15px;
    left: 15px;
    background: transparent;
    border: none;
    color: var(--text-color);
    font-size: 2rem;
    cursor: pointer;
}
.modal-close-btn:hover {
    color: #FF6347;
}

.invoice-details {
    text-align: right;
    margin-top: 1rem;
    color: #aeb9c4;
}
.invoice-header {
    text-align: center;
    margin-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 1rem;
}
.invoice-header h4 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: bold;
}
.invoice-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
    color: #E0E0E0;
}
.invoice-table th, .invoice-table td {
    padding: 0.75rem 0.5rem;
    text-align: right;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 1rem;
}
.invoice-table th {
    font-weight: 500;
    color: #aeb9c4;
}
.invoice-totals {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1rem;
    margin-top: 1rem;
}
.invoice-totals .price-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    color: #aeb9c4;
}
.invoice-totals .price-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--text-color);
    margin-top: 1rem;
}
.price-item span:first-child, .price-total span:first-child {
    text-align: right;
}
.price-item span:last-child, .price-total span:last-child {
    text-align: left;
}

/* Addons Section Styles */
.addons-section {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 1.5rem;
    padding: 1.5rem;
    margin-top: 1.5rem;
}
.addons-title {
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 1.5rem;
    text-align: right;
}
.addon-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}
.addon-item:last-child { border-bottom: none; }
.addon-label {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-color);
    font-size: 1rem;
    cursor: pointer;
    margin-bottom: 0;
}
.addon-price {
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 600;
    white-space: nowrap;
}

/* New Styles for Quantity Control */
.quantity-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quantity-btn {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.08);
    border: none;
    color: var(--text-color);
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.2s;
    font-family: vazir;
}

.quantity-btn:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: scale(1.05);
}

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

.quantity-input {
    width: 48px;
    padding: 0.5rem;
    text-align: center;
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-color);
    font-size: 1rem;
    border-radius: 8px;
    font-family: vazir;
    -moz-appearance: textfield;
}

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

/* Styles for regular checkboxes */
.addon-label input[type="checkbox"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    background-color: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    display: grid;
    place-content: center;
    transition: all 0.2s ease-in-out;
    flex-shrink: 0;
}
.addon-label input[type="checkbox"]::before {
    content: "";
    width: 14px;
    height: 14px;
    transform: scale(0);
    transition: transform 0.2s ease-in-out;
    box-shadow: inset 1em 1em #4A4A8A;
    border-radius: 4px;
}
.addon-label input[type="checkbox"]:checked {
    background-color: #4A4A8A;
    border-color: #4A4A8A;
}
.addon-label input[type="checkbox"]:checked::before {
    transform: scale(1);
}
.addon-label input[type="checkbox"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 74, 138, 0.5);
}

@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(74, 74, 138, 0.3); }
    50% { box-shadow: 0 0 30px rgba(74, 74, 138, 0.6); }
}


.edit-btn {
    padding: 12px 24px;
    border-radius: 8px;
    border: none;
    color: #fff;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: background-color 0.3s ease;
    width: 100%;
    box-sizing: border-box;
    background-color: #555;
}

.edit-btn:hover {
    background-color: #666;
}