/* ==================== FONT FACE ==================== */
@font-face {
    font-family: 'IRANSans';
    font-style: normal;
    font-weight: normal;
    src: url('iransans.woff2') format('woff2');
    font-display: swap;
}

 

/* ==================== MAIN CALCULATOR ==================== */
#tapin-calculator {
    max-width: 900px;
    margin: 30px auto;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    font-family: 'IRANSans', Tahoma, Arial, sans-serif;
    direction: rtl;
    text-align: right;
}

/* ==================== FORM LAYOUT ==================== */
.tapin-row {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 25px;
    gap: 25px;
}

.tapin-field {
    flex: 1;
    min-width: 300px;
}

.tapin-field label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #333;
    font-size: 14px;
    font-family: 'IRANSans', Tahoma, Arial, sans-serif;
}

.tapin-field select,
.tapin-field input {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    background: white;
    transition: border-color 0.3s;
    font-family: 'IRANSans', Tahoma, Arial, sans-serif;
    text-align: right;
    direction: rtl;
}

.tapin-field select:focus,
.tapin-field input:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0,123,255,0.1);
}

.tapin-field select[disabled] {
    background-color: #f5f5f5;
    cursor: not-allowed;
    opacity: 0.7;
}

.tapin-field small {
    display: block;
    margin-top: 6px;
    color: #6c757d;
    font-size: 12px;
    font-family: 'IRANSans', Tahoma, Arial, sans-serif;
}

/* ==================== BUTTONS ==================== */
.tapin-button {
    padding: 16px 32px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: 'IRANSans', Tahoma, Arial, sans-serif;
}

.tapin-button.primary {
    background: #007bff;
    color: white;
    min-width: 220px;
}

.tapin-button.primary:hover:not(:disabled) {
    background: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,123,255,0.3);
}

.tapin-button.secondary {
    background: #6c757d;
    color: white;
    border: 2px solid transparent;
}

.tapin-button.secondary:hover {
    background: #545b62;
}

.tapin-button:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ==================== LOADING STATES ==================== */
.loading-info {
    color: #007bff;
    font-weight: 600;
    font-size: 14px;
    margin-right: 10px;
    font-family: 'IRANSans', Tahoma, Arial, sans-serif;
}

.tapin-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #007bff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ==================== RESULTS SECTION ==================== */
#tapin-result {
    margin-top: 30px;
    padding: 25px;
    background: white;
    border-radius: 10px;
    border: 3px solid #28a745;
    box-shadow: 0 4px 15px rgba(40,167,69,0.15);
    font-family: 'IRANSans', Tahoma, Arial, sans-serif;
}

#tapin-result table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
    font-size: 14px;
    font-family: 'IRANSans', Tahoma, Arial, sans-serif;
}

#tapin-result table td {
    padding: 12px 15px;
    border: 1px solid #ddd;
    text-align: center;
    vertical-align: middle;
    font-family: 'IRANSans', Tahoma, Arial, sans-serif;
}

#tapin-result table tr:nth-child(even) {
    background-color: #f9f9f9;
}

/* رنگ‌های جدول */
#tapin-result table tr:first-child td,
#tapin-result table tr:nth-child(2) td {
    background-color: #BDDE7A !important;
}

#tapin-result table tr:first-child td:nth-child(2),
#tapin-result table tr:nth-child(2) td:nth-child(2) {
    background-color: #DDEEBB !important;
}

#tapin-result table tr:nth-child(3) td,
#tapin-result table tr:nth-child(4) td,
#tapin-result table tr:nth-child(5) td {
    background-color: #FFCC33 !important;
}

#tapin-result table tr:nth-child(3) td:nth-child(2),
#tapin-result table tr:nth-child(4) td:nth-child(2),
#tapin-result table tr:nth-child(5) td:nth-child(2) {
    background-color: #FFECB0 !important;
}

#tapin-result table tr:nth-child(6) td,
#tapin-result table tr:nth-child(7) td,
#tapin-result table tr:nth-child(8) td,
#tapin-result table tr:nth-child(9) td,
#tapin-result table tr:nth-child(10) td,
#tapin-result table tr:nth-child(11) td {
    background-color: #D9EBFF !important;
}

#tapin-result table tr:nth-child(6) td:nth-child(2),
#tapin-result table tr:nth-child(7) td:nth-child(2),
#tapin-result table tr:nth-child(8) td:nth-child(2),
#tapin-result table tr:nth-child(9) td:nth-child(2),
#tapin-result table tr:nth-child(10) td:nth-child(2),
#tapin-result table tr:nth-child(11) td:nth-child(2) {
    background-color: #FBFDFF !important;
}

#tapin-result table tr:nth-child(12) td,
#tapin-result table tr:nth-child(13) td {
    background-color: #D2D2D2 !important;
}

#tapin-result table tr:nth-child(12) td:nth-child(2),
#tapin-result table tr:nth-child(13) td:nth-child(2) {
    background-color: #EBEBEB !important;
}

#tapin-result table tr:last-child td {
    background-color: #AAD2FF !important;
    font-weight: bold;
}

#tapin-result table tr:last-child td:nth-child(2) {
    background-color: #DDEDFF !important;
    font-size: 18px;
    color: #007bff;
}

/* ==================== ERROR STATES ==================== */
.tapin-error {
    margin-top: 25px;
    padding: 20px;
    background: #f8d7da;
    border: 2px solid #f5c6cb;
    border-radius: 8px;
    color: #721c24;
    font-size: 15px;
    line-height: 1.6;
    font-family: 'IRANSans', Tahoma, Arial, sans-serif;
}

.tapin-error-field {
    border-color: #dc3545 !important;
    background-color: #fff8f8 !important;
}

/* ==================== SELECT OPTIONS ==================== */
select option {
    font-family: 'IRANSans', Tahoma, Arial, sans-serif;
    text-align: right;
    direction: rtl;
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 768px) {
    .tapin-row {
        flex-direction: column;
        gap: 20px;
    }
    
    .tapin-field {
        min-width: 100%;
    }
    
    #tapin-calculator {
        padding: 20px;
        margin: 20px 10px;
    }
    
    #tapin-result {
        padding: 20px;
    }
    
    #tapin-result table {
        font-size: 13px;
    }
    
    #tapin-result table td {
        padding: 10px 8px;
    }
    
    .tapin-button {
        width: 100%;
        justify-content: center;
    }
    
    .tapin-button.primary {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    #tapin-calculator {
        padding: 15px;
    }
    
    .tapin-button {
        padding: 14px 20px;
        font-size: 15px;
    }
    
    #tapin-result table {
        font-size: 12px;
    }
}

/* ==================== NUMBER FORMATTING ==================== */
/* برای اعداد فارسی */
.tapin-field input[type="number"],
.tapin-field input[type="text"] {
    font-feature-settings: "tnum";
    -moz-font-feature-settings: "tnum";
    -webkit-font-feature-settings: "tnum";
}