/* ========================================
   Стили для калькулятора объема файла
   ======================================== */

/* Секция текущей скорости */
.size-calc-tool .current-speed-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 30px;
}

.size-calc-tool .speed-indicator {
    display: flex;
    align-items: center;
    gap: 15px;
    color: #fff;
}

.size-calc-tool .speed-indicator > i {
    font-size: 32px;
    opacity: 0.9;
}

.size-calc-tool .speed-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.size-calc-tool .speed-label {
    font-size: 14px;
    opacity: 0.9;
}

.size-calc-tool .speed-value {
    font-size: 24px;
    font-weight: 700;
}

.size-calc-tool .btn-measure {
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.size-calc-tool .btn-measure:hover:not(:disabled) {
    background-color: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.size-calc-tool .btn-measure:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.size-calc-tool .btn-measure i {
    font-size: 16px;
}

/* Поля ввода калькулятора */
.size-calc-inputs {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 25px;
}

.size-calc-tool .calc-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.size-calc-tool .calc-group label {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    gap: 8px;
}

.size-calc-tool .calc-group label i {
    color: #0066cc;
    width: 18px;
}

.size-calc-tool .input-with-unit {
    display: flex;
    gap: 10px;
}

.size-calc-tool .input-with-unit input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.size-calc-tool .input-with-unit input:focus {
    outline: none;
    border-color: #0066cc;
}

.size-calc-tool .input-with-unit select {
    padding: 12px 16px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    background-color: #fff;
    cursor: pointer;
    min-width: 120px;
    transition: border-color 0.3s ease;
}

.size-calc-tool .input-with-unit select:focus {
    outline: none;
    border-color: #0066cc;
}

/* Секция капчи */
.size-calc-captcha-section {
    display: none;
    margin-bottom: 20px;
}

/* Кнопка расчета */
.size-calc-button-container {
    text-align: center;
    margin: 30px 0;
}

/* Результаты */
.size-calc-results {
    display: none;
    margin: 30px 0;
}

.size-calc-results > h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 25px;
    color: #333;
    text-align: center;
}

.size-calc-tool .result-section {
    background-color: #fff;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 20px;
}

.size-calc-tool .result-section:last-of-type {
    margin-bottom: 0;
}

.size-calc-tool .result-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e9ecef;
}

.size-calc-tool .result-header i {
    font-size: 24px;
    color: #0066cc;
}

.size-calc-tool .result-header h4 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: #333;
}

.size-calc-tool .download-section .result-header i {
    color: #28a745;
}

.size-calc-tool .upload-section .result-header i {
    color: #0066cc;
}

.size-calc-tool .result-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.size-calc-tool .result-main {
    font-size: 28px;
    font-weight: 700;
    color: #0066cc;
}

.size-calc-tool .download-section .result-main {
    color: #28a745;
}

.size-calc-tool .result-details {
    font-size: 14px;
    color: #666;
    padding: 10px 15px;
    background-color: #f8f9fa;
    border-radius: 6px;
}

.size-calc-tool .upload-note {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px;
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 6px;
    font-size: 13px;
    color: #856404;
    margin-top: 8px;
}

.size-calc-tool .upload-note i {
    color: #ffc107;
    font-size: 16px;
    flex-shrink: 0;
    margin-top: 2px;
}

/* Дополнительная информация */
.size-calc-tool .calc-info {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px;
    background-color: #e7f3ff;
    border: 1px solid #b3d9ff;
    border-radius: 6px;
    margin-top: 20px;
}

.size-calc-tool .calc-info i {
    color: #0066cc;
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.size-calc-tool .calc-info p {
    margin: 0;
    font-size: 14px;
    color: #004085;
    line-height: 1.6;
}

/* Сообщения об ошибках */
.size-calc-message {
    display: none;
    padding: 15px;
    margin-top: 20px;
    border-radius: 6px;
    font-size: 14px;
}

.size-calc-message.error-message {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Адаптивность */
@media (max-width: 1400px) {
    .size-calc-tool .speed-indicator {
        gap: 12px;
    }
    
    .size-calc-tool .speed-indicator > i {
        font-size: 28px;
    }
    
    .size-calc-inputs {
        gap: 18px;
    }
}

@media (max-width: 1200px) {
    .size-calc-tool .current-speed-section {
        padding: 18px;
    }
    
    .size-calc-tool .speed-value {
        font-size: 22px;
    }
    
    .size-calc-tool .result-section {
        padding: 20px;
    }
}

@media (max-width: 991px) {
    .size-calc-tool .speed-label {
        font-size: 13px;
    }
    
    .size-calc-tool .speed-value {
        font-size: 20px;
    }
    
    .size-calc-tool .result-main {
        font-size: 24px;
    }
    
    .size-calc-tool .result-header h4 {
        font-size: 17px;
    }
}

@media (max-width: 810px) {
    .size-calc-inputs {
        gap: 16px;
    }
    
    .size-calc-tool .btn-measure {
        padding: 8px 16px;
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    .size-calc-tool .speed-indicator {
        flex-direction: column;
        text-align: center;
    }
    
    .size-calc-tool .btn-measure {
        width: 100%;
        justify-content: center;
    }
    
    .size-calc-results > h3 {
        font-size: 20px;
    }
}

@media (max-width: 650px) {
    .size-calc-tool .current-speed-section {
        padding: 15px;
    }
    
    .size-calc-tool .result-section {
        padding: 18px;
    }
}

@media (max-width: 576px) {
    .size-calc-tool .speed-indicator > i {
        font-size: 24px;
    }
    
    .size-calc-tool .speed-label {
        font-size: 12px;
    }
    
    .size-calc-tool .speed-value {
        font-size: 18px;
    }
    
    .size-calc-tool .calc-group label {
        font-size: 14px;
    }
    
    .size-calc-tool .input-with-unit {
        flex-direction: column;
        gap: 8px;
    }
    
    .size-calc-tool .input-with-unit input,
    .size-calc-tool .input-with-unit select {
        width: 100%;
        font-size: 14px;
        padding: 10px 14px;
    }
    
    .size-calc-tool .result-main {
        font-size: 22px;
    }
    
    .size-calc-tool .result-header i {
        font-size: 20px;
    }
    
    .size-calc-tool .result-header h4 {
        font-size: 16px;
    }
    
    .size-calc-tool .result-details {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .size-calc-tool .current-speed-section {
        padding: 12px;
    }
    
    .size-calc-tool .btn-measure {
        padding: 8px 14px;
        font-size: 12px;
    }
    
    .size-calc-tool .btn-measure i {
        font-size: 14px;
    }
    
    .size-calc-tool .result-section {
        padding: 15px;
    }
    
    .size-calc-tool .upload-note {
        font-size: 12px;
    }
    
    .size-calc-tool .calc-info {
        padding: 12px;
    }
    
    .size-calc-tool .calc-info p {
        font-size: 13px;
    }
}

@media (max-width: 420px) {
    .size-calc-results > h3 {
        font-size: 18px;
    }
}

@media (max-width: 375px) {
    .size-calc-tool .speed-value {
        font-size: 16px;
    }
    
    .size-calc-tool .calc-group label {
        font-size: 13px;
    }
    
    .size-calc-tool .result-main {
        font-size: 20px;
    }
    
    .size-calc-tool .result-header h4 {
        font-size: 15px;
    }
}

@media (max-width: 360px) {
    .size-calc-tool .current-speed-section {
        padding: 10px;
    }
    
    .size-calc-tool .result-section {
        padding: 12px;
    }
    
    .size-calc-tool .result-header {
        gap: 10px;
        padding-bottom: 12px;
    }
}

@media (max-width: 320px) {
    .size-calc-tool .speed-indicator > i {
        font-size: 20px;
    }
    
    .size-calc-tool .speed-value {
        font-size: 14px;
    }
    
    .size-calc-tool .result-header i {
        font-size: 18px;
    }
    
    .size-calc-tool .result-header h4 {
        font-size: 14px;
    }
    
    .size-calc-tool .result-main {
        font-size: 18px;
    }
    
    .size-calc-tool .result-details {
        font-size: 12px;
        padding: 8px 12px;
    }
}